init

.venv/lib/python3.8/site-packages/isort/__init__.py

@@ -0,0 +1,38 @@
+"""Defines the public isort interface"""
+__all__ = (
+    "Config",
+    "ImportKey",
+    "__version__",
+    "check_code",
+    "check_file",
+    "check_stream",
+    "code",
+    "file",
+    "find_imports_in_code",
+    "find_imports_in_file",
+    "find_imports_in_paths",
+    "find_imports_in_stream",
+    "place_module",
+    "place_module_with_reason",
+    "settings",
+    "stream",
+)
+
+from . import settings
+from ._version import __version__
+from .api import ImportKey
+from .api import check_code_string as check_code
+from .api import (
+    check_file,
+    check_stream,
+    find_imports_in_code,
+    find_imports_in_file,
+    find_imports_in_paths,
+    find_imports_in_stream,
+    place_module,
+    place_module_with_reason,
+)
+from .api import sort_code_string as code
+from .api import sort_file as file
+from .api import sort_stream as stream
+from .settings import Config

.venv/lib/python3.8/site-packages/isort/__main__.py

@@ -0,0 +1,3 @@
+from isort.main import main
+
+main()

.venv/lib/python3.8/site-packages/isort/_future/__init__.py

@@ -0,0 +1,12 @@
+import sys
+
+if sys.version_info.major <= 3 and sys.version_info.minor <= 6:
+    from . import _dataclasses as dataclasses
+
+else:
+    import dataclasses  # type: ignore
+
+dataclass = dataclasses.dataclass  # type: ignore
+field = dataclasses.field  # type: ignore
+
+__all__ = ["dataclasses", "dataclass", "field"]

.venv/lib/python3.8/site-packages/isort/_vendored/tomli/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Taneli Hukkinen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

.venv/lib/python3.8/site-packages/isort/_vendored/tomli/__init__.py

@@ -0,0 +1,6 @@
+"""A lil' TOML parser."""
+
+__all__ = ("loads", "load", "TOMLDecodeError")
+__version__ = "1.2.0"  # DO NOT EDIT THIS LINE MANUALLY. LET bump2version UTILITY DO IT
+
+from ._parser import TOMLDecodeError, load, loads

.venv/lib/python3.8/site-packages/isort/_vendored/tomli/_parser.py

@@ -0,0 +1,650 @@
+import string
+import warnings
+from types import MappingProxyType
+from typing import IO, Any, Callable, Dict, FrozenSet, Iterable, NamedTuple, Optional, Tuple
+
+from ._re import (
+    RE_DATETIME,
+    RE_LOCALTIME,
+    RE_NUMBER,
+    match_to_datetime,
+    match_to_localtime,
+    match_to_number,
+)
+
+ASCII_CTRL = frozenset(chr(i) for i in range(32)) | frozenset(chr(127))
+
+# Neither of these sets include quotation mark or backslash. They are
+# currently handled as separate cases in the parser functions.
+ILLEGAL_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t")
+ILLEGAL_MULTILINE_BASIC_STR_CHARS = ASCII_CTRL - frozenset("\t\n\r")
+
+ILLEGAL_LITERAL_STR_CHARS = ILLEGAL_BASIC_STR_CHARS
+ILLEGAL_MULTILINE_LITERAL_STR_CHARS = ASCII_CTRL - frozenset("\t\n")
+
+ILLEGAL_COMMENT_CHARS = ILLEGAL_BASIC_STR_CHARS
+
+TOML_WS = frozenset(" \t")
+TOML_WS_AND_NEWLINE = TOML_WS | frozenset("\n")
+BARE_KEY_CHARS = frozenset(string.ascii_letters + string.digits + "-_")
+KEY_INITIAL_CHARS = BARE_KEY_CHARS | frozenset("\"'")
+HEXDIGIT_CHARS = frozenset(string.hexdigits)
+
+BASIC_STR_ESCAPE_REPLACEMENTS = MappingProxyType(
+    {
+        "\\b": "\u0008",  # backspace
+        "\\t": "\u0009",  # tab
+        "\\n": "\u000A",  # linefeed
+        "\\f": "\u000C",  # form feed
+        "\\r": "\u000D",  # carriage return
+        '\\"': "\u0022",  # quote
+        "\\\\": "\u005C",  # backslash
+    }
+)
+
+# Type annotations
+ParseFloat = Callable[[str], Any]
+Key = Tuple[str, ...]
+Pos = int
+
+
+class TOMLDecodeError(ValueError):
+    """An error raised if a document is not valid TOML."""
+
+
+def load(fp: IO, *, parse_float: ParseFloat = float) -> Dict[str, Any]:
+    """Parse TOML from a file object."""
+    s = fp.read()
+    if isinstance(s, bytes):
+        s = s.decode()
+    else:
+        warnings.warn(
+            "Text file object support is deprecated in favor of binary file objects."
+            ' Use `open("foo.toml", "rb")` to open the file in binary mode.',
+            DeprecationWarning,
+        )
+    return loads(s, parse_float=parse_float)
+
+
+def loads(s: str, *, parse_float: ParseFloat = float) -> Dict[str, Any]:  # noqa: C901
+    """Parse TOML from a string."""
+
+    # The spec allows converting "\r\n" to "\n", even in string
+    # literals. Let's do so to simplify parsing.
+    src = s.replace("\r\n", "\n")
+    pos = 0
+    out = Output(NestedDict(), Flags())
+    header: Key = ()
+
+    # Parse one statement at a time
+    # (typically means one line in TOML source)
+    while True:
+        # 1. Skip line leading whitespace
+        pos = skip_chars(src, pos, TOML_WS)
+
+        # 2. Parse rules. Expect one of the following:
+        #    - end of file
+        #    - end of line
+        #    - comment
+        #    - key/value pair
+        #    - append dict to list (and move to its namespace)
+        #    - create dict (and move to its namespace)
+        # Skip trailing whitespace when applicable.
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char == "\n":
+            pos += 1
+            continue
+        if char in KEY_INITIAL_CHARS:
+            pos = key_value_rule(src, pos, out, header, parse_float)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char == "[":
+            try:
+                second_char: Optional[str] = src[pos + 1]
+            except IndexError:
+                second_char = None
+            if second_char == "[":
+                pos, header = create_list_rule(src, pos, out)
+            else:
+                pos, header = create_dict_rule(src, pos, out)
+            pos = skip_chars(src, pos, TOML_WS)
+        elif char != "#":
+            raise suffixed_err(src, pos, "Invalid statement")
+
+        # 3. Skip comment
+        pos = skip_comment(src, pos)
+
+        # 4. Expect end of line or end of file
+        try:
+            char = src[pos]
+        except IndexError:
+            break
+        if char != "\n":
+            raise suffixed_err(src, pos, "Expected newline or end of document after a statement")
+        pos += 1
+
+    return out.data.dict
+
+
+class Flags:
+    """Flags that map to parsed keys/namespaces."""
+
+    # Marks an immutable namespace (inline array or inline table).
+    FROZEN = 0
+    # Marks a nest that has been explicitly created and can no longer
+    # be opened using the "[table]" syntax.
+    EXPLICIT_NEST = 1
+
+    def __init__(self) -> None:
+        self._flags: Dict[str, dict] = {}
+
+    def unset_all(self, key: Key) -> None:
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return
+            cont = cont[k]["nested"]
+        cont.pop(key[-1], None)
+
+    def set_for_relative_key(self, head_key: Key, rel_key: Key, flag: int) -> None:
+        cont = self._flags
+        for k in head_key:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        for k in rel_key:
+            if k in cont:
+                cont[k]["flags"].add(flag)
+            else:
+                cont[k] = {"flags": {flag}, "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+
+    def set(self, key: Key, flag: int, *, recursive: bool) -> None:  # noqa: A003
+        cont = self._flags
+        key_parent, key_stem = key[:-1], key[-1]
+        for k in key_parent:
+            if k not in cont:
+                cont[k] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+            cont = cont[k]["nested"]
+        if key_stem not in cont:
+            cont[key_stem] = {"flags": set(), "recursive_flags": set(), "nested": {}}
+        cont[key_stem]["recursive_flags" if recursive else "flags"].add(flag)
+
+    def is_(self, key: Key, flag: int) -> bool:
+        if not key:
+            return False  # document root has no flags
+        cont = self._flags
+        for k in key[:-1]:
+            if k not in cont:
+                return False
+            inner_cont = cont[k]
+            if flag in inner_cont["recursive_flags"]:
+                return True
+            cont = inner_cont["nested"]
+        key_stem = key[-1]
+        if key_stem in cont:
+            cont = cont[key_stem]
+            return flag in cont["flags"] or flag in cont["recursive_flags"]
+        return False
+
+
+class NestedDict:
+    def __init__(self) -> None:
+        # The parsed content of the TOML document
+        self.dict: Dict[str, Any] = {}
+
+    def get_or_create_nest(
+        self,
+        key: Key,
+        *,
+        access_lists: bool = True,
+    ) -> dict:
+        cont: Any = self.dict
+        for k in key:
+            if k not in cont:
+                cont[k] = {}
+            cont = cont[k]
+            if access_lists and isinstance(cont, list):
+                cont = cont[-1]
+            if not isinstance(cont, dict):
+                raise KeyError("There is no nest behind this key")
+        return cont
+
+    def append_nest_to_list(self, key: Key) -> None:
+        cont = self.get_or_create_nest(key[:-1])
+        last_key = key[-1]
+        if last_key in cont:
+            list_ = cont[last_key]
+            if not isinstance(list_, list):
+                raise KeyError("An object other than list found behind this key")
+            list_.append({})
+        else:
+            cont[last_key] = [{}]
+
+
+class Output(NamedTuple):
+    data: NestedDict
+    flags: Flags
+
+
+def skip_chars(src: str, pos: Pos, chars: Iterable[str]) -> Pos:
+    try:
+        while src[pos] in chars:
+            pos += 1
+    except IndexError:
+        pass
+    return pos
+
+
+def skip_until(
+    src: str,
+    pos: Pos,
+    expect: str,
+    *,
+    error_on: FrozenSet[str],
+    error_on_eof: bool,
+) -> Pos:
+    try:
+        new_pos = src.index(expect, pos)
+    except ValueError:
+        new_pos = len(src)
+        if error_on_eof:
+            raise suffixed_err(src, new_pos, f'Expected "{expect!r}"')
+
+    if not error_on.isdisjoint(src[pos:new_pos]):
+        while src[pos] not in error_on:
+            pos += 1
+        raise suffixed_err(src, pos, f'Found invalid character "{src[pos]!r}"')
+    return new_pos
+
+
+def skip_comment(src: str, pos: Pos) -> Pos:
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char == "#":
+        return skip_until(src, pos + 1, "\n", error_on=ILLEGAL_COMMENT_CHARS, error_on_eof=False)
+    return pos
+
+
+def skip_comments_and_array_ws(src: str, pos: Pos) -> Pos:
+    while True:
+        pos_before_skip = pos
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        pos = skip_comment(src, pos)
+        if pos == pos_before_skip:
+            return pos
+
+
+def create_dict_rule(src: str, pos: Pos, out: Output) -> Tuple[Pos, Key]:
+    pos += 1  # Skip "["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.EXPLICIT_NEST) or out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Can not declare {key} twice")
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.get_or_create_nest(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+
+    if not src.startswith("]", pos):
+        raise suffixed_err(src, pos, 'Expected "]" at the end of a table declaration')
+    return pos + 1, key
+
+
+def create_list_rule(src: str, pos: Pos, out: Output) -> Tuple[Pos, Key]:
+    pos += 2  # Skip "[["
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, key = parse_key(src, pos)
+
+    if out.flags.is_(key, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
+    # Free the namespace now that it points to another empty list item...
+    out.flags.unset_all(key)
+    # ...but this key precisely is still prohibited from table declaration
+    out.flags.set(key, Flags.EXPLICIT_NEST, recursive=False)
+    try:
+        out.data.append_nest_to_list(key)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+
+    if not src.startswith("]]", pos):
+        raise suffixed_err(src, pos, 'Expected "]]" at the end of an array declaration')
+    return pos + 2, key
+
+
+def key_value_rule(src: str, pos: Pos, out: Output, header: Key, parse_float: ParseFloat) -> Pos:
+    pos, key, value = parse_key_value_pair(src, pos, parse_float)
+    key_parent, key_stem = key[:-1], key[-1]
+    abs_key_parent = header + key_parent
+
+    if out.flags.is_(abs_key_parent, Flags.FROZEN):
+        raise suffixed_err(src, pos, f"Can not mutate immutable namespace {abs_key_parent}")
+    # Containers in the relative path can't be opened with the table syntax after this
+    out.flags.set_for_relative_key(header, key, Flags.EXPLICIT_NEST)
+    try:
+        nest = out.data.get_or_create_nest(abs_key_parent)
+    except KeyError:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    if key_stem in nest:
+        raise suffixed_err(src, pos, "Can not overwrite a value")
+    # Mark inline table and array namespaces recursively immutable
+    if isinstance(value, (dict, list)):
+        out.flags.set(header + key, Flags.FROZEN, recursive=True)
+    nest[key_stem] = value
+    return pos
+
+
+def parse_key_value_pair(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, Key, Any]:
+    pos, key = parse_key(src, pos)
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char != "=":
+        raise suffixed_err(src, pos, 'Expected "=" after a key in a key/value pair')
+    pos += 1
+    pos = skip_chars(src, pos, TOML_WS)
+    pos, value = parse_value(src, pos, parse_float)
+    return pos, key, value
+
+
+def parse_key(src: str, pos: Pos) -> Tuple[Pos, Key]:
+    pos, key_part = parse_key_part(src, pos)
+    key: Key = (key_part,)
+    pos = skip_chars(src, pos, TOML_WS)
+    while True:
+        try:
+            char: Optional[str] = src[pos]
+        except IndexError:
+            char = None
+        if char != ".":
+            return pos, key
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+        pos, key_part = parse_key_part(src, pos)
+        key += (key_part,)
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_key_part(src: str, pos: Pos) -> Tuple[Pos, str]:
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+    if char in BARE_KEY_CHARS:
+        start_pos = pos
+        pos = skip_chars(src, pos, BARE_KEY_CHARS)
+        return pos, src[start_pos:pos]
+    if char == "'":
+        return parse_literal_str(src, pos)
+    if char == '"':
+        return parse_one_line_basic_str(src, pos)
+    raise suffixed_err(src, pos, "Invalid initial character for a key part")
+
+
+def parse_one_line_basic_str(src: str, pos: Pos) -> Tuple[Pos, str]:
+    pos += 1
+    return parse_basic_str(src, pos, multiline=False)
+
+
+def parse_array(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, list]:
+    pos += 1
+    array: list = []
+
+    pos = skip_comments_and_array_ws(src, pos)
+    if src.startswith("]", pos):
+        return pos + 1, array
+    while True:
+        pos, val = parse_value(src, pos, parse_float)
+        array.append(val)
+        pos = skip_comments_and_array_ws(src, pos)
+
+        c = src[pos : pos + 1]
+        if c == "]":
+            return pos + 1, array
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed array")
+        pos += 1
+
+        pos = skip_comments_and_array_ws(src, pos)
+        if src.startswith("]", pos):
+            return pos + 1, array
+
+
+def parse_inline_table(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, dict]:
+    pos += 1
+    nested_dict = NestedDict()
+    flags = Flags()
+
+    pos = skip_chars(src, pos, TOML_WS)
+    if src.startswith("}", pos):
+        return pos + 1, nested_dict.dict
+    while True:
+        pos, key, value = parse_key_value_pair(src, pos, parse_float)
+        key_parent, key_stem = key[:-1], key[-1]
+        if flags.is_(key, Flags.FROZEN):
+            raise suffixed_err(src, pos, f"Can not mutate immutable namespace {key}")
+        try:
+            nest = nested_dict.get_or_create_nest(key_parent, access_lists=False)
+        except KeyError:
+            raise suffixed_err(src, pos, "Can not overwrite a value")
+        if key_stem in nest:
+            raise suffixed_err(src, pos, f'Duplicate inline table key "{key_stem}"')
+        nest[key_stem] = value
+        pos = skip_chars(src, pos, TOML_WS)
+        c = src[pos : pos + 1]
+        if c == "}":
+            return pos + 1, nested_dict.dict
+        if c != ",":
+            raise suffixed_err(src, pos, "Unclosed inline table")
+        if isinstance(value, (dict, list)):
+            flags.set(key, Flags.FROZEN, recursive=True)
+        pos += 1
+        pos = skip_chars(src, pos, TOML_WS)
+
+
+def parse_basic_str_escape(  # noqa: C901
+    src: str, pos: Pos, *, multiline: bool = False
+) -> Tuple[Pos, str]:
+    escape_id = src[pos : pos + 2]
+    pos += 2
+    if multiline and escape_id in {"\\ ", "\\\t", "\\\n"}:
+        # Skip whitespace until next non-whitespace character or end of
+        # the doc. Error if non-whitespace is found before newline.
+        if escape_id != "\\\n":
+            pos = skip_chars(src, pos, TOML_WS)
+            try:
+                char = src[pos]
+            except IndexError:
+                return pos, ""
+            if char != "\n":
+                raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
+            pos += 1
+        pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
+        return pos, ""
+    if escape_id == "\\u":
+        return parse_hex_char(src, pos, 4)
+    if escape_id == "\\U":
+        return parse_hex_char(src, pos, 8)
+    try:
+        return pos, BASIC_STR_ESCAPE_REPLACEMENTS[escape_id]
+    except KeyError:
+        if len(escape_id) != 2:
+            raise suffixed_err(src, pos, "Unterminated string")
+        raise suffixed_err(src, pos, 'Unescaped "\\" in a string')
+
+
+def parse_basic_str_escape_multiline(src: str, pos: Pos) -> Tuple[Pos, str]:
+    return parse_basic_str_escape(src, pos, multiline=True)
+
+
+def parse_hex_char(src: str, pos: Pos, hex_len: int) -> Tuple[Pos, str]:
+    hex_str = src[pos : pos + hex_len]
+    if len(hex_str) != hex_len or not HEXDIGIT_CHARS.issuperset(hex_str):
+        raise suffixed_err(src, pos, "Invalid hex value")
+    pos += hex_len
+    hex_int = int(hex_str, 16)
+    if not is_unicode_scalar_value(hex_int):
+        raise suffixed_err(src, pos, "Escaped character is not a Unicode scalar value")
+    return pos, chr(hex_int)
+
+
+def parse_literal_str(src: str, pos: Pos) -> Tuple[Pos, str]:
+    pos += 1  # Skip starting apostrophe
+    start_pos = pos
+    pos = skip_until(src, pos, "'", error_on=ILLEGAL_LITERAL_STR_CHARS, error_on_eof=True)
+    return pos + 1, src[start_pos:pos]  # Skip ending apostrophe
+
+
+def parse_multiline_str(src: str, pos: Pos, *, literal: bool) -> Tuple[Pos, str]:
+    pos += 3
+    if src.startswith("\n", pos):
+        pos += 1
+
+    if literal:
+        delim = "'"
+        end_pos = skip_until(
+            src,
+            pos,
+            "'''",
+            error_on=ILLEGAL_MULTILINE_LITERAL_STR_CHARS,
+            error_on_eof=True,
+        )
+        result = src[pos:end_pos]
+        pos = end_pos + 3
+    else:
+        delim = '"'
+        pos, result = parse_basic_str(src, pos, multiline=True)
+
+    # Add at maximum two extra apostrophes/quotes if the end sequence
+    # is 4 or 5 chars long instead of just 3.
+    if not src.startswith(delim, pos):
+        return pos, result
+    pos += 1
+    if not src.startswith(delim, pos):
+        return pos, result + delim
+    pos += 1
+    return pos, result + (delim * 2)
+
+
+def parse_basic_str(src: str, pos: Pos, *, multiline: bool) -> Tuple[Pos, str]:
+    if multiline:
+        error_on = ILLEGAL_MULTILINE_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape_multiline
+    else:
+        error_on = ILLEGAL_BASIC_STR_CHARS
+        parse_escapes = parse_basic_str_escape
+    result = ""
+    start_pos = pos
+    while True:
+        try:
+            char = src[pos]
+        except IndexError:
+            raise suffixed_err(src, pos, "Unterminated string")
+        if char == '"':
+            if not multiline:
+                return pos + 1, result + src[start_pos:pos]
+            if src.startswith('"""', pos):
+                return pos + 3, result + src[start_pos:pos]
+            pos += 1
+            continue
+        if char == "\\":
+            result += src[start_pos:pos]
+            pos, parsed_escape = parse_escapes(src, pos)
+            result += parsed_escape
+            start_pos = pos
+            continue
+        if char in error_on:
+            raise suffixed_err(src, pos, f'Illegal character "{char!r}"')
+        pos += 1
+
+
+def parse_value(src: str, pos: Pos, parse_float: ParseFloat) -> Tuple[Pos, Any]:  # noqa: C901
+    try:
+        char: Optional[str] = src[pos]
+    except IndexError:
+        char = None
+
+    # Basic strings
+    if char == '"':
+        if src.startswith('"""', pos):
+            return parse_multiline_str(src, pos, literal=False)
+        return parse_one_line_basic_str(src, pos)
+
+    # Literal strings
+    if char == "'":
+        if src.startswith("'''", pos):
+            return parse_multiline_str(src, pos, literal=True)
+        return parse_literal_str(src, pos)
+
+    # Booleans
+    if char == "t":
+        if src.startswith("true", pos):
+            return pos + 4, True
+    if char == "f":
+        if src.startswith("false", pos):
+            return pos + 5, False
+
+    # Dates and times
+    datetime_match = RE_DATETIME.match(src, pos)
+    if datetime_match:
+        try:
+            datetime_obj = match_to_datetime(datetime_match)
+        except ValueError:
+            raise suffixed_err(src, pos, "Invalid date or datetime")
+        return datetime_match.end(), datetime_obj
+    localtime_match = RE_LOCALTIME.match(src, pos)
+    if localtime_match:
+        return localtime_match.end(), match_to_localtime(localtime_match)
+
+    # Integers and "normal" floats.
+    # The regex will greedily match any type starting with a decimal
+    # char, so needs to be located after handling of dates and times.
+    number_match = RE_NUMBER.match(src, pos)
+    if number_match:
+        return number_match.end(), match_to_number(number_match, parse_float)
+
+    # Arrays
+    if char == "[":
+        return parse_array(src, pos, parse_float)
+
+    # Inline tables
+    if char == "{":
+        return parse_inline_table(src, pos, parse_float)
+
+    # Special floats
+    first_three = src[pos : pos + 3]
+    if first_three in {"inf", "nan"}:
+        return pos + 3, parse_float(first_three)
+    first_four = src[pos : pos + 4]
+    if first_four in {"-inf", "+inf", "-nan", "+nan"}:
+        return pos + 4, parse_float(first_four)
+
+    raise suffixed_err(src, pos, "Invalid value")
+
+
+def suffixed_err(src: str, pos: Pos, msg: str) -> TOMLDecodeError:
+    """Return a `TOMLDecodeError` where error message is suffixed with
+    coordinates in source."""
+
+    def coord_repr(src: str, pos: Pos) -> str:
+        if pos >= len(src):
+            return "end of document"
+        line = src.count("\n", 0, pos) + 1
+        if line == 1:
+            column = pos + 1
+        else:
+            column = pos - src.rindex("\n", 0, pos)
+        return f"line {line}, column {column}"
+
+    return TOMLDecodeError(f"{msg} (at {coord_repr(src, pos)})")
+
+
+def is_unicode_scalar_value(codepoint: int) -> bool:
+    return (0 <= codepoint <= 55295) or (57344 <= codepoint <= 1114111)

.venv/lib/python3.8/site-packages/isort/_vendored/tomli/_re.py

@@ -0,0 +1,100 @@
+import re
+from datetime import date, datetime, time, timedelta, timezone, tzinfo
+from functools import lru_cache
+from typing import TYPE_CHECKING, Any, Optional, Union
+
+if TYPE_CHECKING:
+    from tomli._parser import ParseFloat
+
+# E.g.
+# - 00:32:00.999999
+# - 00:32:00
+_TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(?:\.([0-9]{1,6})[0-9]*)?"
+
+RE_NUMBER = re.compile(
+    r"""
+0
+(?:
+    x[0-9A-Fa-f](?:_?[0-9A-Fa-f])*   # hex
+    |
+    b[01](?:_?[01])*                 # bin
+    |
+    o[0-7](?:_?[0-7])*               # oct
+)
+|
+[+-]?(?:0|[1-9](?:_?[0-9])*)         # dec, integer part
+(?P<floatpart>
+    (?:\.[0-9](?:_?[0-9])*)?         # optional fractional part
+    (?:[eE][+-]?[0-9](?:_?[0-9])*)?  # optional exponent part
+)
+""",
+    flags=re.VERBOSE,
+)
+RE_LOCALTIME = re.compile(_TIME_RE_STR)
+RE_DATETIME = re.compile(
+    fr"""
+([0-9]{{4}})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])  # date, e.g. 1988-10-27
+(?:
+    [T ]
+    {_TIME_RE_STR}
+    (?:(Z)|([+-])([01][0-9]|2[0-3]):([0-5][0-9]))?     # optional time offset
+)?
+""",
+    flags=re.VERBOSE,
+)
+
+
+def match_to_datetime(match: "re.Match") -> Union[datetime, date]:
+    """Convert a `RE_DATETIME` match to `datetime.datetime` or `datetime.date`.
+
+    Raises ValueError if the match does not correspond to a valid date
+    or datetime.
+    """
+    (
+        year_str,
+        month_str,
+        day_str,
+        hour_str,
+        minute_str,
+        sec_str,
+        micros_str,
+        zulu_time,
+        offset_sign_str,
+        offset_hour_str,
+        offset_minute_str,
+    ) = match.groups()
+    year, month, day = int(year_str), int(month_str), int(day_str)
+    if hour_str is None:
+        return date(year, month, day)
+    hour, minute, sec = int(hour_str), int(minute_str), int(sec_str)
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    if offset_sign_str:
+        tz: Optional[tzinfo] = cached_tz(offset_hour_str, offset_minute_str, offset_sign_str)
+    elif zulu_time:
+        tz = timezone.utc
+    else:  # local date-time
+        tz = None
+    return datetime(year, month, day, hour, minute, sec, micros, tzinfo=tz)
+
+
+@lru_cache(maxsize=None)
+def cached_tz(hour_str: str, minute_str: str, sign_str: str) -> timezone:
+    sign = 1 if sign_str == "+" else -1
+    return timezone(
+        timedelta(
+            hours=sign * int(hour_str),
+            minutes=sign * int(minute_str),
+        )
+    )
+
+
+def match_to_localtime(match: "re.Match") -> time:
+    hour_str, minute_str, sec_str, micros_str = match.groups()
+    micros = int(micros_str.ljust(6, "0")) if micros_str else 0
+    return time(int(hour_str), int(minute_str), int(sec_str), micros)
+
+
+def match_to_number(match: "re.Match", parse_float: "ParseFloat") -> Any:
+    if match.group("floatpart"):
+        return parse_float(match.group())
+    return int(match.group(), 0)

.venv/lib/python3.8/site-packages/isort/_vendored/tomli/py.typed

@@ -0,0 +1 @@
+# Marker file for PEP 561

.venv/lib/python3.8/site-packages/isort/_version.py

@@ -0,0 +1 @@
+__version__ = "5.10.1"

.venv/lib/python3.8/site-packages/isort/api.py

@@ -0,0 +1,651 @@
+__all__ = (
+    "ImportKey",
+    "check_code_string",
+    "check_file",
+    "check_stream",
+    "find_imports_in_code",
+    "find_imports_in_file",
+    "find_imports_in_paths",
+    "find_imports_in_stream",
+    "place_module",
+    "place_module_with_reason",
+    "sort_code_string",
+    "sort_file",
+    "sort_stream",
+)
+
+import contextlib
+import shutil
+import sys
+from enum import Enum
+from io import StringIO
+from itertools import chain
+from pathlib import Path
+from typing import Any, Iterator, Optional, Set, TextIO, Union, cast
+from warnings import warn
+
+from isort import core
+
+from . import files, identify, io
+from .exceptions import (
+    ExistingSyntaxErrors,
+    FileSkipComment,
+    FileSkipSetting,
+    IntroducedSyntaxErrors,
+)
+from .format import ask_whether_to_apply_changes_to_file, create_terminal_printer, show_unified_diff
+from .io import Empty, File
+from .place import module as place_module  # noqa: F401
+from .place import module_with_reason as place_module_with_reason  # noqa: F401
+from .settings import CYTHON_EXTENSIONS, DEFAULT_CONFIG, Config
+
+
+class ImportKey(Enum):
+    """Defines how to key an individual import, generally for deduping.
+
+    Import keys are defined from less to more specific:
+
+    from x.y import z as a
+    ______| |        |    |
+       |    |        |    |
+    PACKAGE |        |    |
+    ________|        |    |
+          |          |    |
+        MODULE       |    |
+    _________________|    |
+              |           |
+           ATTRIBUTE      |
+    ______________________|
+                  |
+                ALIAS
+    """
+
+    PACKAGE = 1
+    MODULE = 2
+    ATTRIBUTE = 3
+    ALIAS = 4
+
+
+def sort_code_string(
+    code: str,
+    extension: Optional[str] = None,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = False,
+    show_diff: Union[bool, TextIO] = False,
+    **config_kwargs: Any,
+) -> str:
+    """Sorts any imports within the provided code string, returning a new string with them sorted.
+
+    - **code**: The string of code with imports that need to be sorted.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - ****config_kwargs**: Any config modifications.
+    """
+    input_stream = StringIO(code)
+    output_stream = StringIO()
+    config = _config(path=file_path, config=config, **config_kwargs)
+    sort_stream(
+        input_stream,
+        output_stream,
+        extension=extension,
+        config=config,
+        file_path=file_path,
+        disregard_skip=disregard_skip,
+        show_diff=show_diff,
+    )
+    output_stream.seek(0)
+    return output_stream.read()
+
+
+def check_code_string(
+    code: str,
+    show_diff: Union[bool, TextIO] = False,
+    extension: Optional[str] = None,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = False,
+    **config_kwargs: Any,
+) -> bool:
+    """Checks the order, format, and categorization of imports within the provided code string.
+    Returns `True` if everything is correct, otherwise `False`.
+
+    - **code**: The string of code with imports that need to be sorted.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - ****config_kwargs**: Any config modifications.
+    """
+    config = _config(path=file_path, config=config, **config_kwargs)
+    return check_stream(
+        StringIO(code),
+        show_diff=show_diff,
+        extension=extension,
+        config=config,
+        file_path=file_path,
+        disregard_skip=disregard_skip,
+    )
+
+
+def sort_stream(
+    input_stream: TextIO,
+    output_stream: TextIO,
+    extension: Optional[str] = None,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = False,
+    show_diff: Union[bool, TextIO] = False,
+    raise_on_skip: bool = True,
+    **config_kwargs: Any,
+) -> bool:
+    """Sorts any imports within the provided code stream, outputs to the provided output stream.
+     Returns `True` if anything is modified from the original input stream, otherwise `False`.
+
+    - **input_stream**: The stream of code with imports that need to be sorted.
+    - **output_stream**: The stream where sorted imports should be written to.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - ****config_kwargs**: Any config modifications.
+    """
+    extension = extension or (file_path and file_path.suffix.lstrip(".")) or "py"
+    if show_diff:
+        _output_stream = StringIO()
+        _input_stream = StringIO(input_stream.read())
+        changed = sort_stream(
+            input_stream=_input_stream,
+            output_stream=_output_stream,
+            extension=extension,
+            config=config,
+            file_path=file_path,
+            disregard_skip=disregard_skip,
+            raise_on_skip=raise_on_skip,
+            **config_kwargs,
+        )
+        _output_stream.seek(0)
+        _input_stream.seek(0)
+        show_unified_diff(
+            file_input=_input_stream.read(),
+            file_output=_output_stream.read(),
+            file_path=file_path,
+            output=output_stream if show_diff is True else cast(TextIO, show_diff),
+            color_output=config.color_output,
+        )
+        return changed
+
+    config = _config(path=file_path, config=config, **config_kwargs)
+    content_source = str(file_path or "Passed in content")
+    if not disregard_skip and file_path and config.is_skipped(file_path):
+        raise FileSkipSetting(content_source)
+
+    _internal_output = output_stream
+
+    if config.atomic:
+        try:
+            file_content = input_stream.read()
+            compile(file_content, content_source, "exec", 0, 1)
+        except SyntaxError:
+            if extension not in CYTHON_EXTENSIONS:
+                raise ExistingSyntaxErrors(content_source)
+            if config.verbose:
+                warn(
+                    f"{content_source} Python AST errors found but ignored due to Cython extension"
+                )
+        input_stream = StringIO(file_content)
+
+        if not output_stream.readable():
+            _internal_output = StringIO()
+
+    try:
+        changed = core.process(
+            input_stream,
+            _internal_output,
+            extension=extension,
+            config=config,
+            raise_on_skip=raise_on_skip,
+        )
+    except FileSkipComment:
+        raise FileSkipComment(content_source)
+
+    if config.atomic:
+        _internal_output.seek(0)
+        try:
+            compile(_internal_output.read(), content_source, "exec", 0, 1)
+            _internal_output.seek(0)
+        except SyntaxError:  # pragma: no cover
+            if extension not in CYTHON_EXTENSIONS:
+                raise IntroducedSyntaxErrors(content_source)
+            if config.verbose:
+                warn(
+                    f"{content_source} Python AST errors found but ignored due to Cython extension"
+                )
+        if _internal_output != output_stream:
+            output_stream.write(_internal_output.read())
+
+    return changed
+
+
+def check_stream(
+    input_stream: TextIO,
+    show_diff: Union[bool, TextIO] = False,
+    extension: Optional[str] = None,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = False,
+    **config_kwargs: Any,
+) -> bool:
+    """Checks any imports within the provided code stream, returning `False` if any unsorted or
+    incorrectly imports are found or `True` if no problems are identified.
+
+    - **input_stream**: The stream of code with imports that need to be sorted.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - ****config_kwargs**: Any config modifications.
+    """
+    config = _config(path=file_path, config=config, **config_kwargs)
+
+    if show_diff:
+        input_stream = StringIO(input_stream.read())
+
+    changed: bool = sort_stream(
+        input_stream=input_stream,
+        output_stream=Empty,
+        extension=extension,
+        config=config,
+        file_path=file_path,
+        disregard_skip=disregard_skip,
+    )
+    printer = create_terminal_printer(
+        color=config.color_output, error=config.format_error, success=config.format_success
+    )
+    if not changed:
+        if config.verbose and not config.only_modified:
+            printer.success(f"{file_path or ''} Everything Looks Good!")
+        return True
+
+    printer.error(f"{file_path or ''} Imports are incorrectly sorted and/or formatted.")
+    if show_diff:
+        output_stream = StringIO()
+        input_stream.seek(0)
+        file_contents = input_stream.read()
+        sort_stream(
+            input_stream=StringIO(file_contents),
+            output_stream=output_stream,
+            extension=extension,
+            config=config,
+            file_path=file_path,
+            disregard_skip=disregard_skip,
+        )
+        output_stream.seek(0)
+
+        show_unified_diff(
+            file_input=file_contents,
+            file_output=output_stream.read(),
+            file_path=file_path,
+            output=None if show_diff is True else cast(TextIO, show_diff),
+            color_output=config.color_output,
+        )
+    return False
+
+
+def check_file(
+    filename: Union[str, Path],
+    show_diff: Union[bool, TextIO] = False,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = True,
+    extension: Optional[str] = None,
+    **config_kwargs: Any,
+) -> bool:
+    """Checks any imports within the provided file, returning `False` if any unsorted or
+    incorrectly imports are found or `True` if no problems are identified.
+
+    - **filename**: The name or Path of the file to check.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - ****config_kwargs**: Any config modifications.
+    """
+    file_config: Config = config
+
+    if "config_trie" in config_kwargs:
+        config_trie = config_kwargs.pop("config_trie", None)
+        if config_trie:
+            config_info = config_trie.search(filename)
+            if config.verbose:
+                print(f"{config_info[0]} used for file {filename}")
+
+            file_config = Config(**config_info[1])
+
+    with io.File.read(filename) as source_file:
+        return check_stream(
+            source_file.stream,
+            show_diff=show_diff,
+            extension=extension,
+            config=file_config,
+            file_path=file_path or source_file.path,
+            disregard_skip=disregard_skip,
+            **config_kwargs,
+        )
+
+
+def _tmp_file(source_file: File) -> Path:
+    return source_file.path.with_suffix(source_file.path.suffix + ".isorted")
+
+
+@contextlib.contextmanager
+def _in_memory_output_stream_context() -> Iterator[TextIO]:
+    yield StringIO(newline=None)
+
+
+@contextlib.contextmanager
+def _file_output_stream_context(filename: Union[str, Path], source_file: File) -> Iterator[TextIO]:
+    tmp_file = _tmp_file(source_file)
+    with tmp_file.open("w+", encoding=source_file.encoding, newline="") as output_stream:
+        shutil.copymode(filename, tmp_file)
+        yield output_stream
+
+
+def sort_file(
+    filename: Union[str, Path],
+    extension: Optional[str] = None,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    disregard_skip: bool = True,
+    ask_to_apply: bool = False,
+    show_diff: Union[bool, TextIO] = False,
+    write_to_stdout: bool = False,
+    output: Optional[TextIO] = None,
+    **config_kwargs: Any,
+) -> bool:
+    """Sorts and formats any groups of imports imports within the provided file or Path.
+     Returns `True` if the file has been changed, otherwise `False`.
+
+    - **filename**: The name or Path of the file to format.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **disregard_skip**: set to `True` if you want to ignore a skip set in config for this file.
+    - **ask_to_apply**: If `True`, prompt before applying any changes.
+    - **show_diff**: If `True` the changes that need to be done will be printed to stdout, if a
+    TextIO stream is provided results will be written to it, otherwise no diff will be computed.
+    - **write_to_stdout**: If `True`, write to stdout instead of the input file.
+    - **output**: If a TextIO is provided, results will be written there rather than replacing
+    the original file content.
+    - ****config_kwargs**: Any config modifications.
+    """
+    file_config: Config = config
+
+    if "config_trie" in config_kwargs:
+        config_trie = config_kwargs.pop("config_trie", None)
+        if config_trie:
+            config_info = config_trie.search(filename)
+            if config.verbose:
+                print(f"{config_info[0]} used for file {filename}")
+
+            file_config = Config(**config_info[1])
+
+    with io.File.read(filename) as source_file:
+        actual_file_path = file_path or source_file.path
+        config = _config(path=actual_file_path, config=file_config, **config_kwargs)
+        changed: bool = False
+        try:
+            if write_to_stdout:
+                changed = sort_stream(
+                    input_stream=source_file.stream,
+                    output_stream=sys.stdout,
+                    config=config,
+                    file_path=actual_file_path,
+                    disregard_skip=disregard_skip,
+                    extension=extension,
+                )
+            else:
+                if output is None:
+                    try:
+                        if config.overwrite_in_place:
+                            output_stream_context = _in_memory_output_stream_context()
+                        else:
+                            output_stream_context = _file_output_stream_context(
+                                filename, source_file
+                            )
+                        with output_stream_context as output_stream:
+                            changed = sort_stream(
+                                input_stream=source_file.stream,
+                                output_stream=output_stream,
+                                config=config,
+                                file_path=actual_file_path,
+                                disregard_skip=disregard_skip,
+                                extension=extension,
+                            )
+                            output_stream.seek(0)
+                            if changed:
+                                if show_diff or ask_to_apply:
+                                    source_file.stream.seek(0)
+                                    show_unified_diff(
+                                        file_input=source_file.stream.read(),
+                                        file_output=output_stream.read(),
+                                        file_path=actual_file_path,
+                                        output=None
+                                        if show_diff is True
+                                        else cast(TextIO, show_diff),
+                                        color_output=config.color_output,
+                                    )
+                                    if show_diff or (
+                                        ask_to_apply
+                                        and not ask_whether_to_apply_changes_to_file(
+                                            str(source_file.path)
+                                        )
+                                    ):
+                                        return False
+                                source_file.stream.close()
+                                if config.overwrite_in_place:
+                                    output_stream.seek(0)
+                                    with source_file.path.open("w") as fs:
+                                        shutil.copyfileobj(output_stream, fs)
+                        if changed:
+                            if not config.overwrite_in_place:
+                                tmp_file = _tmp_file(source_file)
+                                tmp_file.replace(source_file.path)
+                            if not config.quiet:
+                                print(f"Fixing {source_file.path}")
+                    finally:
+                        try:  # Python 3.8+: use `missing_ok=True` instead of try except.
+                            if not config.overwrite_in_place:  # pragma: no branch
+                                tmp_file = _tmp_file(source_file)
+                                tmp_file.unlink()
+                        except FileNotFoundError:
+                            pass  # pragma: no cover
+                else:
+                    changed = sort_stream(
+                        input_stream=source_file.stream,
+                        output_stream=output,
+                        config=config,
+                        file_path=actual_file_path,
+                        disregard_skip=disregard_skip,
+                        extension=extension,
+                    )
+                    if changed and show_diff:
+                        source_file.stream.seek(0)
+                        output.seek(0)
+                        show_unified_diff(
+                            file_input=source_file.stream.read(),
+                            file_output=output.read(),
+                            file_path=actual_file_path,
+                            output=None if show_diff is True else cast(TextIO, show_diff),
+                            color_output=config.color_output,
+                        )
+                    source_file.stream.close()
+
+        except ExistingSyntaxErrors:
+            warn(f"{actual_file_path} unable to sort due to existing syntax errors")
+        except IntroducedSyntaxErrors:  # pragma: no cover
+            warn(f"{actual_file_path} unable to sort as isort introduces new syntax errors")
+
+        return changed
+
+
+def find_imports_in_code(
+    code: str,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    unique: Union[bool, ImportKey] = False,
+    top_only: bool = False,
+    **config_kwargs: Any,
+) -> Iterator[identify.Import]:
+    """Finds and returns all imports within the provided code string.
+
+    - **code**: The string of code with imports that need to be sorted.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **unique**: If True, only the first instance of an import is returned.
+    - **top_only**: If True, only return imports that occur before the first function or class.
+    - ****config_kwargs**: Any config modifications.
+    """
+    yield from find_imports_in_stream(
+        input_stream=StringIO(code),
+        config=config,
+        file_path=file_path,
+        unique=unique,
+        top_only=top_only,
+        **config_kwargs,
+    )
+
+
+def find_imports_in_stream(
+    input_stream: TextIO,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    unique: Union[bool, ImportKey] = False,
+    top_only: bool = False,
+    _seen: Optional[Set[str]] = None,
+    **config_kwargs: Any,
+) -> Iterator[identify.Import]:
+    """Finds and returns all imports within the provided code stream.
+
+    - **input_stream**: The stream of code with imports that need to be sorted.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **unique**: If True, only the first instance of an import is returned.
+    - **top_only**: If True, only return imports that occur before the first function or class.
+    - **_seen**: An optional set of imports already seen. Generally meant only for internal use.
+    - ****config_kwargs**: Any config modifications.
+    """
+    config = _config(config=config, **config_kwargs)
+    identified_imports = identify.imports(
+        input_stream, config=config, file_path=file_path, top_only=top_only
+    )
+    if not unique:
+        yield from identified_imports
+
+    seen: Set[str] = set() if _seen is None else _seen
+    for identified_import in identified_imports:
+        if unique in (True, ImportKey.ALIAS):
+            key = identified_import.statement()
+        elif unique == ImportKey.ATTRIBUTE:
+            key = f"{identified_import.module}.{identified_import.attribute}"
+        elif unique == ImportKey.MODULE:
+            key = identified_import.module
+        elif unique == ImportKey.PACKAGE:  # pragma: no branch # type checking ensures this
+            key = identified_import.module.split(".")[0]
+
+        if key and key not in seen:
+            seen.add(key)
+            yield identified_import
+
+
+def find_imports_in_file(
+    filename: Union[str, Path],
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    unique: Union[bool, ImportKey] = False,
+    top_only: bool = False,
+    **config_kwargs: Any,
+) -> Iterator[identify.Import]:
+    """Finds and returns all imports within the provided source file.
+
+    - **filename**: The name or Path of the file to look for imports in.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **unique**: If True, only the first instance of an import is returned.
+    - **top_only**: If True, only return imports that occur before the first function or class.
+    - ****config_kwargs**: Any config modifications.
+    """
+    with io.File.read(filename) as source_file:
+        yield from find_imports_in_stream(
+            input_stream=source_file.stream,
+            config=config,
+            file_path=file_path or source_file.path,
+            unique=unique,
+            top_only=top_only,
+            **config_kwargs,
+        )
+
+
+def find_imports_in_paths(
+    paths: Iterator[Union[str, Path]],
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    unique: Union[bool, ImportKey] = False,
+    top_only: bool = False,
+    **config_kwargs: Any,
+) -> Iterator[identify.Import]:
+    """Finds and returns all imports within the provided source paths.
+
+    - **paths**: A collection of paths to recursively look for imports within.
+    - **extension**: The file extension that contains imports. Defaults to filename extension or py.
+    - **config**: The config object to use when sorting imports.
+    - **file_path**: The disk location where the code string was pulled from.
+    - **unique**: If True, only the first instance of an import is returned.
+    - **top_only**: If True, only return imports that occur before the first function or class.
+    - ****config_kwargs**: Any config modifications.
+    """
+    config = _config(config=config, **config_kwargs)
+    seen: Optional[Set[str]] = set() if unique else None
+    yield from chain(
+        *(
+            find_imports_in_file(
+                file_name, unique=unique, config=config, top_only=top_only, _seen=seen
+            )
+            for file_name in files.find(map(str, paths), config, [], [])
+        )
+    )
+
+
+def _config(
+    path: Optional[Path] = None, config: Config = DEFAULT_CONFIG, **config_kwargs: Any
+) -> Config:
+    if path and (
+        config is DEFAULT_CONFIG
+        and "settings_path" not in config_kwargs
+        and "settings_file" not in config_kwargs
+    ):
+        config_kwargs["settings_path"] = path
+
+    if config_kwargs:
+        if config is not DEFAULT_CONFIG:
+            raise ValueError(
+                "You can either specify custom configuration options using kwargs or "
+                "passing in a Config object. Not Both!"
+            )
+
+        config = Config(**config_kwargs)
+
+    return config

.venv/lib/python3.8/site-packages/isort/comments.py

@@ -0,0 +1,32 @@
+from typing import List, Optional, Tuple
+
+
+def parse(line: str) -> Tuple[str, str]:
+    """Parses import lines for comments and returns back the
+    import statement and the associated comment.
+    """
+    comment_start = line.find("#")
+    if comment_start != -1:
+        return (line[:comment_start], line[comment_start + 1 :].strip())
+
+    return (line, "")
+
+
+def add_to_line(
+    comments: Optional[List[str]],
+    original_string: str = "",
+    removed: bool = False,
+    comment_prefix: str = "",
+) -> str:
+    """Returns a string with comments added if removed is not set."""
+    if removed:
+        return parse(original_string)[0]
+
+    if not comments:
+        return original_string
+
+    unique_comments: List[str] = []
+    for comment in comments:
+        if comment not in unique_comments:
+            unique_comments.append(comment)
+    return f"{parse(original_string)[0]}{comment_prefix} {'; '.join(unique_comments)}"

.venv/lib/python3.8/site-packages/isort/core.py

@@ -0,0 +1,476 @@
+import textwrap
+from io import StringIO
+from itertools import chain
+from typing import List, TextIO, Union
+
+import isort.literal
+from isort.settings import DEFAULT_CONFIG, Config
+
+from . import output, parse
+from .exceptions import FileSkipComment
+from .format import format_natural, remove_whitespace
+from .settings import FILE_SKIP_COMMENTS
+
+CIMPORT_IDENTIFIERS = ("cimport ", "cimport*", "from.cimport")
+IMPORT_START_IDENTIFIERS = ("from ", "from.import", "import ", "import*") + CIMPORT_IDENTIFIERS
+DOCSTRING_INDICATORS = ('"""', "'''")
+COMMENT_INDICATORS = DOCSTRING_INDICATORS + ("'", '"', "#")
+CODE_SORT_COMMENTS = (
+    "# isort: list",
+    "# isort: dict",
+    "# isort: set",
+    "# isort: unique-list",
+    "# isort: tuple",
+    "# isort: unique-tuple",
+    "# isort: assignments",
+)
+
+
+def process(
+    input_stream: TextIO,
+    output_stream: TextIO,
+    extension: str = "py",
+    raise_on_skip: bool = True,
+    config: Config = DEFAULT_CONFIG,
+) -> bool:
+    """Parses stream identifying sections of contiguous imports and sorting them
+
+    Code with unsorted imports is read from the provided `input_stream`, sorted and then
+    outputted to the specified `output_stream`.
+
+    - `input_stream`: Text stream with unsorted import sections.
+    - `output_stream`: Text stream to output sorted inputs into.
+    - `config`: Config settings to use when sorting imports. Defaults settings.
+        - *Default*: `isort.settings.DEFAULT_CONFIG`.
+    - `extension`: The file extension or file extension rules that should be used.
+        - *Default*: `"py"`.
+        - *Choices*: `["py", "pyi", "pyx"]`.
+
+    Returns `True` if there were changes that needed to be made (errors present) from what
+    was provided in the input_stream, otherwise `False`.
+    """
+    line_separator: str = config.line_ending
+    add_imports: List[str] = [format_natural(addition) for addition in config.add_imports]
+    import_section: str = ""
+    next_import_section: str = ""
+    next_cimports: bool = False
+    in_quote: str = ""
+    was_in_quote: bool = False
+    first_comment_index_start: int = -1
+    first_comment_index_end: int = -1
+    contains_imports: bool = False
+    in_top_comment: bool = False
+    first_import_section: bool = True
+    indent: str = ""
+    isort_off: bool = False
+    skip_file: bool = False
+    code_sorting: Union[bool, str] = False
+    code_sorting_section: str = ""
+    code_sorting_indent: str = ""
+    cimports: bool = False
+    made_changes: bool = False
+    stripped_line: str = ""
+    end_of_file: bool = False
+    verbose_output: List[str] = []
+
+    if config.float_to_top:
+        new_input = ""
+        current = ""
+        isort_off = False
+        for line in chain(input_stream, (None,)):
+            if isort_off and line is not None:
+                if line == "# isort: on\n":
+                    isort_off = False
+                new_input += line
+            elif line in ("# isort: split\n", "# isort: off\n", None) or str(line).endswith(
+                "# isort: split\n"
+            ):
+                if line == "# isort: off\n":
+                    isort_off = True
+                if current:
+                    if add_imports:
+                        add_line_separator = line_separator or "\n"
+                        current += add_line_separator + add_line_separator.join(add_imports)
+                        add_imports = []
+                    parsed = parse.file_contents(current, config=config)
+                    verbose_output += parsed.verbose_output
+                    extra_space = ""
+                    while current and current[-1] == "\n":
+                        extra_space += "\n"
+                        current = current[:-1]
+                    extra_space = extra_space.replace("\n", "", 1)
+                    sorted_output = output.sorted_imports(
+                        parsed, config, extension, import_type="import"
+                    )
+                    made_changes = made_changes or _has_changed(
+                        before=current,
+                        after=sorted_output,
+                        line_separator=parsed.line_separator,
+                        ignore_whitespace=config.ignore_whitespace,
+                    )
+                    new_input += sorted_output
+                    new_input += extra_space
+                    current = ""
+                new_input += line or ""
+            else:
+                current += line or ""
+
+        input_stream = StringIO(new_input)
+
+    for index, line in enumerate(chain(input_stream, (None,))):
+        if line is None:
+            if index == 0 and not config.force_adds:
+                return False
+
+            not_imports = True
+            end_of_file = True
+            line = ""
+            if not line_separator:
+                line_separator = "\n"
+
+            if code_sorting and code_sorting_section:
+                sorted_code = textwrap.indent(
+                    isort.literal.assignment(
+                        code_sorting_section,
+                        str(code_sorting),
+                        extension,
+                        config=_indented_config(config, indent),
+                    ),
+                    code_sorting_indent,
+                )
+                made_changes = made_changes or _has_changed(
+                    before=code_sorting_section,
+                    after=sorted_code,
+                    line_separator=line_separator,
+                    ignore_whitespace=config.ignore_whitespace,
+                )
+                output_stream.write(sorted_code)
+        else:
+            stripped_line = line.strip()
+            if stripped_line and not line_separator:
+                line_separator = line[len(line.rstrip()) :].replace(" ", "").replace("\t", "")
+
+            for file_skip_comment in FILE_SKIP_COMMENTS:
+                if file_skip_comment in line:
+                    if raise_on_skip:
+                        raise FileSkipComment("Passed in content")
+                    isort_off = True
+                    skip_file = True
+
+            if not in_quote:
+                if stripped_line == "# isort: off":
+                    isort_off = True
+                elif stripped_line.startswith("# isort: dont-add-imports"):
+                    add_imports = []
+                elif stripped_line.startswith("# isort: dont-add-import:"):
+                    import_not_to_add = stripped_line.split("# isort: dont-add-import:", 1)[
+                        1
+                    ].strip()
+                    add_imports = [
+                        import_to_add
+                        for import_to_add in add_imports
+                        if not import_to_add == import_not_to_add
+                    ]
+
+            if (
+                (index == 0 or (index in (1, 2) and not contains_imports))
+                and stripped_line.startswith("#")
+                and stripped_line not in config.section_comments
+                and stripped_line not in CODE_SORT_COMMENTS
+            ):
+                in_top_comment = True
+            elif in_top_comment and (
+                not line.startswith("#")
+                or stripped_line in config.section_comments
+                or stripped_line in CODE_SORT_COMMENTS
+            ):
+                in_top_comment = False
+                first_comment_index_end = index - 1
+
+            was_in_quote = bool(in_quote)
+            if (not stripped_line.startswith("#") or in_quote) and '"' in line or "'" in line:
+                char_index = 0
+                if first_comment_index_start == -1 and (
+                    line.startswith('"') or line.startswith("'")
+                ):
+                    first_comment_index_start = index
+                while char_index < len(line):
+                    if line[char_index] == "\\":
+                        char_index += 1
+                    elif in_quote:
+                        if line[char_index : char_index + len(in_quote)] == in_quote:
+                            in_quote = ""
+                            if first_comment_index_end < first_comment_index_start:
+                                first_comment_index_end = index
+                    elif line[char_index] in ("'", '"'):
+                        long_quote = line[char_index : char_index + 3]
+                        if long_quote in ('"""', "'''"):
+                            in_quote = long_quote
+                            char_index += 2
+                        else:
+                            in_quote = line[char_index]
+                    elif line[char_index] == "#":
+                        break
+                    char_index += 1
+
+            not_imports = bool(in_quote) or was_in_quote or in_top_comment or isort_off
+            if not (in_quote or was_in_quote or in_top_comment):
+                if isort_off:
+                    if not skip_file and stripped_line == "# isort: on":
+                        isort_off = False
+                elif stripped_line.endswith("# isort: split"):
+                    not_imports = True
+                elif stripped_line in CODE_SORT_COMMENTS:
+                    code_sorting = stripped_line.split("isort: ")[1].strip()
+                    code_sorting_indent = line[: -len(line.lstrip())]
+                    not_imports = True
+                elif code_sorting:
+                    if not stripped_line:
+                        sorted_code = textwrap.indent(
+                            isort.literal.assignment(
+                                code_sorting_section,
+                                str(code_sorting),
+                                extension,
+                                config=_indented_config(config, indent),
+                            ),
+                            code_sorting_indent,
+                        )
+                        made_changes = made_changes or _has_changed(
+                            before=code_sorting_section,
+                            after=sorted_code,
+                            line_separator=line_separator,
+                            ignore_whitespace=config.ignore_whitespace,
+                        )
+                        output_stream.write(sorted_code)
+                        not_imports = True
+                        code_sorting = False
+                        code_sorting_section = ""
+                        code_sorting_indent = ""
+                    else:
+                        code_sorting_section += line
+                        line = ""
+                elif (
+                    stripped_line in config.section_comments
+                    or stripped_line in config.section_comments_end
+                ):
+                    if import_section and not contains_imports:
+                        output_stream.write(import_section)
+                        import_section = line
+                        not_imports = False
+                    else:
+                        import_section += line
+                    indent = line[: -len(line.lstrip())]
+                elif not (stripped_line or contains_imports):
+                    not_imports = True
+                elif (
+                    not stripped_line
+                    or stripped_line.startswith("#")
+                    and (not indent or indent + line.lstrip() == line)
+                    and not config.treat_all_comments_as_code
+                    and stripped_line not in config.treat_comments_as_code
+                ):
+                    import_section += line
+                elif stripped_line.startswith(IMPORT_START_IDENTIFIERS):
+                    new_indent = line[: -len(line.lstrip())]
+                    import_statement = line
+                    stripped_line = line.strip().split("#")[0]
+                    while stripped_line.endswith("\\") or (
+                        "(" in stripped_line and ")" not in stripped_line
+                    ):
+                        if stripped_line.endswith("\\"):
+                            while stripped_line and stripped_line.endswith("\\"):
+                                line = input_stream.readline()
+                                stripped_line = line.strip().split("#")[0]
+                                import_statement += line
+                        else:
+                            while ")" not in stripped_line:
+                                line = input_stream.readline()
+                                stripped_line = line.strip().split("#")[0]
+                                import_statement += line
+
+                    if (
+                        import_statement.lstrip().startswith("from")
+                        and "import" not in import_statement
+                    ):
+                        line = import_statement
+                        not_imports = True
+                    else:
+                        did_contain_imports = contains_imports
+                        contains_imports = True
+
+                        cimport_statement: bool = False
+                        if (
+                            import_statement.lstrip().startswith(CIMPORT_IDENTIFIERS)
+                            or " cimport " in import_statement
+                            or " cimport*" in import_statement
+                            or " cimport(" in import_statement
+                            or ".cimport" in import_statement
+                        ):
+                            cimport_statement = True
+
+                        if cimport_statement != cimports or (
+                            new_indent != indent
+                            and import_section
+                            and (not did_contain_imports or len(new_indent) < len(indent))
+                        ):
+                            indent = new_indent
+                            if import_section:
+                                next_cimports = cimport_statement
+                                next_import_section = import_statement
+                                import_statement = ""
+                                not_imports = True
+                                line = ""
+                            else:
+                                cimports = cimport_statement
+                        else:
+                            if new_indent != indent:
+                                if import_section and did_contain_imports:
+                                    import_statement = indent + import_statement.lstrip()
+                                else:
+                                    indent = new_indent
+                        import_section += import_statement
+                else:
+                    not_imports = True
+
+        if not_imports:
+            raw_import_section: str = import_section
+            if (
+                add_imports
+                and (stripped_line or end_of_file)
+                and not config.append_only
+                and not in_top_comment
+                and not was_in_quote
+                and not import_section
+                and not line.lstrip().startswith(COMMENT_INDICATORS)
+                and not (line.rstrip().endswith(DOCSTRING_INDICATORS) and "=" not in line)
+            ):
+                add_line_separator = line_separator or "\n"
+                import_section = add_line_separator.join(add_imports) + add_line_separator
+                if end_of_file and index != 0:
+                    output_stream.write(add_line_separator)
+                contains_imports = True
+                add_imports = []
+
+            if next_import_section and not import_section:  # pragma: no cover
+                raw_import_section = import_section = next_import_section
+                next_import_section = ""
+
+            if import_section:
+                if add_imports and (contains_imports or not config.append_only) and not indent:
+                    import_section = (
+                        line_separator.join(add_imports) + line_separator + import_section
+                    )
+                    contains_imports = True
+                    add_imports = []
+
+                if not indent:
+                    import_section += line
+                    raw_import_section += line
+                if not contains_imports:
+                    output_stream.write(import_section)
+
+                else:
+                    leading_whitespace = import_section[: -len(import_section.lstrip())]
+                    trailing_whitespace = import_section[len(import_section.rstrip()) :]
+                    if first_import_section and not import_section.lstrip(
+                        line_separator
+                    ).startswith(COMMENT_INDICATORS):
+                        import_section = import_section.lstrip(line_separator)
+                        raw_import_section = raw_import_section.lstrip(line_separator)
+                        first_import_section = False
+
+                    if indent:
+                        import_section = "".join(
+                            line[len(indent) :] for line in import_section.splitlines(keepends=True)
+                        )
+
+                    parsed_content = parse.file_contents(import_section, config=config)
+                    verbose_output += parsed_content.verbose_output
+
+                    sorted_import_section = output.sorted_imports(
+                        parsed_content,
+                        _indented_config(config, indent),
+                        extension,
+                        import_type="cimport" if cimports else "import",
+                    )
+                    if not (import_section.strip() and not sorted_import_section):
+                        if indent:
+                            sorted_import_section = (
+                                leading_whitespace
+                                + textwrap.indent(sorted_import_section, indent).strip()
+                                + trailing_whitespace
+                            )
+
+                        made_changes = made_changes or _has_changed(
+                            before=raw_import_section,
+                            after=sorted_import_section,
+                            line_separator=line_separator,
+                            ignore_whitespace=config.ignore_whitespace,
+                        )
+                        output_stream.write(sorted_import_section)
+                        if not line and not indent and next_import_section:
+                            output_stream.write(line_separator)
+
+                if indent:
+                    output_stream.write(line)
+                    if not next_import_section:
+                        indent = ""
+
+                if next_import_section:
+                    cimports = next_cimports
+                    contains_imports = True
+                else:
+                    contains_imports = False
+                import_section = next_import_section
+                next_import_section = ""
+            else:
+                output_stream.write(line)
+                not_imports = False
+
+            if stripped_line and not in_quote and not import_section and not next_import_section:
+                if stripped_line == "yield":
+                    while not stripped_line or stripped_line == "yield":
+                        new_line = input_stream.readline()
+                        if not new_line:
+                            break
+
+                        output_stream.write(new_line)
+                        stripped_line = new_line.strip().split("#")[0]
+
+                if stripped_line.startswith("raise") or stripped_line.startswith("yield"):
+                    while stripped_line.endswith("\\"):
+                        new_line = input_stream.readline()
+                        if not new_line:
+                            break
+
+                        output_stream.write(new_line)
+                        stripped_line = new_line.strip().split("#")[0]
+
+    if made_changes and config.only_modified:
+        for output_str in verbose_output:
+            print(output_str)
+
+    return made_changes
+
+
+def _indented_config(config: Config, indent: str) -> Config:
+    if not indent:
+        return config
+
+    return Config(
+        config=config,
+        line_length=max(config.line_length - len(indent), 0),
+        wrap_length=max(config.wrap_length - len(indent), 0),
+        lines_after_imports=1,
+        import_headings=config.import_headings if config.indented_import_headings else {},
+        import_footers=config.import_footers if config.indented_import_headings else {},
+    )
+
+
+def _has_changed(before: str, after: str, line_separator: str, ignore_whitespace: bool) -> bool:
+    if ignore_whitespace:
+        return (
+            remove_whitespace(before, line_separator=line_separator).strip()
+            != remove_whitespace(after, line_separator=line_separator).strip()
+        )
+    return before.strip() != after.strip()

.venv/lib/python3.8/site-packages/isort/deprecated/finders.py

@@ -0,0 +1,415 @@
+"""Finders try to find right section for passed module name"""
+import importlib.machinery
+import inspect
+import os
+import os.path
+import re
+import sys
+import sysconfig
+from abc import ABCMeta, abstractmethod
+from contextlib import contextmanager
+from fnmatch import fnmatch
+from functools import lru_cache
+from glob import glob
+from pathlib import Path
+from typing import Dict, Iterable, Iterator, List, Optional, Pattern, Sequence, Tuple, Type
+
+from isort import sections
+from isort.settings import KNOWN_SECTION_MAPPING, Config
+from isort.utils import exists_case_sensitive
+
+try:
+    from pipreqs import pipreqs  # type: ignore
+
+except ImportError:
+    pipreqs = None
+
+try:
+    from pip_api import parse_requirements  # type: ignore
+
+except ImportError:
+    parse_requirements = None
+
+try:
+    from requirementslib import Pipfile  # type: ignore
+
+except ImportError:
+    Pipfile = None
+
+
+@contextmanager
+def chdir(path: str) -> Iterator[None]:
+    """Context manager for changing dir and restoring previous workdir after exit."""
+    curdir = os.getcwd()
+    os.chdir(path)
+    try:
+        yield
+    finally:
+        os.chdir(curdir)
+
+
+class BaseFinder(metaclass=ABCMeta):
+    def __init__(self, config: Config) -> None:
+        self.config = config
+
+    @abstractmethod
+    def find(self, module_name: str) -> Optional[str]:
+        raise NotImplementedError
+
+
+class ForcedSeparateFinder(BaseFinder):
+    def find(self, module_name: str) -> Optional[str]:
+        for forced_separate in self.config.forced_separate:
+            # Ensure all forced_separate patterns will match to end of string
+            path_glob = forced_separate
+            if not forced_separate.endswith("*"):
+                path_glob = "%s*" % forced_separate
+
+            if fnmatch(module_name, path_glob) or fnmatch(module_name, "." + path_glob):
+                return forced_separate
+        return None
+
+
+class LocalFinder(BaseFinder):
+    def find(self, module_name: str) -> Optional[str]:
+        if module_name.startswith("."):
+            return "LOCALFOLDER"
+        return None
+
+
+class KnownPatternFinder(BaseFinder):
+    def __init__(self, config: Config) -> None:
+        super().__init__(config)
+
+        self.known_patterns: List[Tuple[Pattern[str], str]] = []
+        for placement in reversed(config.sections):
+            known_placement = KNOWN_SECTION_MAPPING.get(placement, placement).lower()
+            config_key = f"known_{known_placement}"
+            known_patterns = list(
+                getattr(self.config, config_key, self.config.known_other.get(known_placement, []))
+            )
+            known_patterns = [
+                pattern
+                for known_pattern in known_patterns
+                for pattern in self._parse_known_pattern(known_pattern)
+            ]
+            for known_pattern in known_patterns:
+                regexp = "^" + known_pattern.replace("*", ".*").replace("?", ".?") + "$"
+                self.known_patterns.append((re.compile(regexp), placement))
+
+    def _parse_known_pattern(self, pattern: str) -> List[str]:
+        """Expand pattern if identified as a directory and return found sub packages"""
+        if pattern.endswith(os.path.sep):
+            patterns = [
+                filename
+                for filename in os.listdir(os.path.join(self.config.directory, pattern))
+                if os.path.isdir(os.path.join(self.config.directory, pattern, filename))
+            ]
+        else:
+            patterns = [pattern]
+
+        return patterns
+
+    def find(self, module_name: str) -> Optional[str]:
+        # Try to find most specific placement instruction match (if any)
+        parts = module_name.split(".")
+        module_names_to_check = (".".join(parts[:first_k]) for first_k in range(len(parts), 0, -1))
+        for module_name_to_check in module_names_to_check:
+            for pattern, placement in self.known_patterns:
+                if pattern.match(module_name_to_check):
+                    return placement
+        return None
+
+
+class PathFinder(BaseFinder):
+    def __init__(self, config: Config, path: str = ".") -> None:
+        super().__init__(config)
+
+        # restore the original import path (i.e. not the path to bin/isort)
+        root_dir = os.path.abspath(path)
+        src_dir = f"{root_dir}/src"
+        self.paths = [root_dir, src_dir]
+
+        # virtual env
+        self.virtual_env = self.config.virtual_env or os.environ.get("VIRTUAL_ENV")
+        if self.virtual_env:
+            self.virtual_env = os.path.realpath(self.virtual_env)
+        self.virtual_env_src = ""
+        if self.virtual_env:
+            self.virtual_env_src = f"{self.virtual_env}/src/"
+            for venv_path in glob(f"{self.virtual_env}/lib/python*/site-packages"):
+                if venv_path not in self.paths:
+                    self.paths.append(venv_path)
+            for nested_venv_path in glob(f"{self.virtual_env}/lib/python*/*/site-packages"):
+                if nested_venv_path not in self.paths:
+                    self.paths.append(nested_venv_path)
+            for venv_src_path in glob(f"{self.virtual_env}/src/*"):
+                if os.path.isdir(venv_src_path):
+                    self.paths.append(venv_src_path)
+
+        # conda
+        self.conda_env = self.config.conda_env or os.environ.get("CONDA_PREFIX") or ""
+        if self.conda_env:
+            self.conda_env = os.path.realpath(self.conda_env)
+            for conda_path in glob(f"{self.conda_env}/lib/python*/site-packages"):
+                if conda_path not in self.paths:
+                    self.paths.append(conda_path)
+            for nested_conda_path in glob(f"{self.conda_env}/lib/python*/*/site-packages"):
+                if nested_conda_path not in self.paths:
+                    self.paths.append(nested_conda_path)
+
+        # handle case-insensitive paths on windows
+        self.stdlib_lib_prefix = os.path.normcase(sysconfig.get_paths()["stdlib"])
+        if self.stdlib_lib_prefix not in self.paths:
+            self.paths.append(self.stdlib_lib_prefix)
+
+        # add system paths
+        for system_path in sys.path[1:]:
+            if system_path not in self.paths:
+                self.paths.append(system_path)
+
+    def find(self, module_name: str) -> Optional[str]:
+        for prefix in self.paths:
+            package_path = "/".join((prefix, module_name.split(".")[0]))
+            path_obj = Path(package_path).resolve()
+            is_module = (
+                exists_case_sensitive(package_path + ".py")
+                or any(
+                    exists_case_sensitive(package_path + ext_suffix)
+                    for ext_suffix in importlib.machinery.EXTENSION_SUFFIXES
+                )
+                or exists_case_sensitive(package_path + "/__init__.py")
+            )
+            is_package = exists_case_sensitive(package_path) and os.path.isdir(package_path)
+            if is_module or is_package:
+                if (
+                    "site-packages" in prefix
+                    or "dist-packages" in prefix
+                    or (self.virtual_env and self.virtual_env_src in prefix)
+                ):
+                    return sections.THIRDPARTY
+                if os.path.normcase(prefix) == self.stdlib_lib_prefix:
+                    return sections.STDLIB
+                if self.conda_env and self.conda_env in prefix:
+                    return sections.THIRDPARTY
+                for src_path in self.config.src_paths:
+                    if src_path in path_obj.parents and not self.config.is_skipped(path_obj):
+                        return sections.FIRSTPARTY
+
+                if os.path.normcase(prefix).startswith(self.stdlib_lib_prefix):
+                    return sections.STDLIB  # pragma: no cover - edge case for one OS. Hard to test.
+
+                return self.config.default_section
+        return None
+
+
+class ReqsBaseFinder(BaseFinder):
+    enabled = False
+
+    def __init__(self, config: Config, path: str = ".") -> None:
+        super().__init__(config)
+        self.path = path
+        if self.enabled:
+            self.mapping = self._load_mapping()
+            self.names = self._load_names()
+
+    @abstractmethod
+    def _get_names(self, path: str) -> Iterator[str]:
+        raise NotImplementedError
+
+    @abstractmethod
+    def _get_files_from_dir(self, path: str) -> Iterator[str]:
+        raise NotImplementedError
+
+    @staticmethod
+    def _load_mapping() -> Optional[Dict[str, str]]:
+        """Return list of mappings `package_name -> module_name`
+
+        Example:
+            django-haystack -> haystack
+        """
+        if not pipreqs:
+            return None
+        path = os.path.dirname(inspect.getfile(pipreqs))
+        path = os.path.join(path, "mapping")
+        with open(path) as f:
+            mappings: Dict[str, str] = {}  # pypi_name: import_name
+            for line in f:
+                import_name, _, pypi_name = line.strip().partition(":")
+                mappings[pypi_name] = import_name
+            return mappings
+            # return dict(tuple(line.strip().split(":")[::-1]) for line in f)
+
+    def _load_names(self) -> List[str]:
+        """Return list of thirdparty modules from requirements"""
+        names = []
+        for path in self._get_files():
+            for name in self._get_names(path):
+                names.append(self._normalize_name(name))
+        return names
+
+    @staticmethod
+    def _get_parents(path: str) -> Iterator[str]:
+        prev = ""
+        while path != prev:
+            prev = path
+            yield path
+            path = os.path.dirname(path)
+
+    def _get_files(self) -> Iterator[str]:
+        """Return paths to all requirements files"""
+        path = os.path.abspath(self.path)
+        if os.path.isfile(path):
+            path = os.path.dirname(path)
+
+        for path in self._get_parents(path):
+            yield from self._get_files_from_dir(path)
+
+    def _normalize_name(self, name: str) -> str:
+        """Convert package name to module name
+
+        Examples:
+            Django -> django
+            django-haystack -> django_haystack
+            Flask-RESTFul -> flask_restful
+        """
+        if self.mapping:
+            name = self.mapping.get(name.replace("-", "_"), name)
+        return name.lower().replace("-", "_")
+
+    def find(self, module_name: str) -> Optional[str]:
+        # required lib not installed yet
+        if not self.enabled:
+            return None
+
+        module_name, _sep, _submodules = module_name.partition(".")
+        module_name = module_name.lower()
+        if not module_name:
+            return None
+
+        for name in self.names:
+            if module_name == name:
+                return sections.THIRDPARTY
+        return None
+
+
+class RequirementsFinder(ReqsBaseFinder):
+    exts = (".txt", ".in")
+    enabled = bool(parse_requirements)
+
+    def _get_files_from_dir(self, path: str) -> Iterator[str]:
+        """Return paths to requirements files from passed dir."""
+        yield from self._get_files_from_dir_cached(path)
+
+    @classmethod
+    @lru_cache(maxsize=16)
+    def _get_files_from_dir_cached(cls, path: str) -> List[str]:
+        results = []
+
+        for fname in os.listdir(path):
+            if "requirements" not in fname:
+                continue
+            full_path = os.path.join(path, fname)
+
+            # *requirements*/*.{txt,in}
+            if os.path.isdir(full_path):
+                for subfile_name in os.listdir(full_path):
+                    for ext in cls.exts:
+                        if subfile_name.endswith(ext):
+                            results.append(os.path.join(full_path, subfile_name))
+                continue
+
+            # *requirements*.{txt,in}
+            if os.path.isfile(full_path):
+                for ext in cls.exts:
+                    if fname.endswith(ext):
+                        results.append(full_path)
+                        break
+
+        return results
+
+    def _get_names(self, path: str) -> Iterator[str]:
+        """Load required packages from path to requirements file"""
+        yield from self._get_names_cached(path)
+
+    @classmethod
+    @lru_cache(maxsize=16)
+    def _get_names_cached(cls, path: str) -> List[str]:
+        result = []
+
+        with chdir(os.path.dirname(path)):
+            requirements = parse_requirements(path)
+            for req in requirements.values():
+                if req.name:
+                    result.append(req.name)
+
+        return result
+
+
+class PipfileFinder(ReqsBaseFinder):
+    enabled = bool(Pipfile)
+
+    def _get_names(self, path: str) -> Iterator[str]:
+        with chdir(path):
+            project = Pipfile.load(path)
+            for req in project.packages:
+                yield req.name
+
+    def _get_files_from_dir(self, path: str) -> Iterator[str]:
+        if "Pipfile" in os.listdir(path):
+            yield path
+
+
+class DefaultFinder(BaseFinder):
+    def find(self, module_name: str) -> Optional[str]:
+        return self.config.default_section
+
+
+class FindersManager:
+    _default_finders_classes: Sequence[Type[BaseFinder]] = (
+        ForcedSeparateFinder,
+        LocalFinder,
+        KnownPatternFinder,
+        PathFinder,
+        PipfileFinder,
+        RequirementsFinder,
+        DefaultFinder,
+    )
+
+    def __init__(
+        self, config: Config, finder_classes: Optional[Iterable[Type[BaseFinder]]] = None
+    ) -> None:
+        self.verbose: bool = config.verbose
+
+        if finder_classes is None:
+            finder_classes = self._default_finders_classes
+        finders: List[BaseFinder] = []
+        for finder_cls in finder_classes:
+            try:
+                finders.append(finder_cls(config))
+            except Exception as exception:
+                # if one finder fails to instantiate isort can continue using the rest
+                if self.verbose:
+                    print(
+                        (
+                            f"{finder_cls.__name__} encountered an error ({exception}) during "
+                            "instantiation and cannot be used"
+                        )
+                    )
+        self.finders: Tuple[BaseFinder, ...] = tuple(finders)
+
+    def find(self, module_name: str) -> Optional[str]:
+        for finder in self.finders:
+            try:
+                section = finder.find(module_name)
+                if section is not None:
+                    return section
+            except Exception as exception:
+                # isort has to be able to keep trying to identify the correct
+                # import section even if one approach fails
+                if self.verbose:
+                    print(
+                        f"{finder.__class__.__name__} encountered an error ({exception}) while "
+                        f"trying to identify the {module_name} module"
+                    )
+        return None

.venv/lib/python3.8/site-packages/isort/exceptions.py

@@ -0,0 +1,197 @@
+"""All isort specific exception classes should be defined here"""
+from functools import partial
+from pathlib import Path
+from typing import Any, Dict, List, Type, Union
+
+from .profiles import profiles
+
+
+class ISortError(Exception):
+    """Base isort exception object from which all isort sourced exceptions should inherit"""
+
+    def __reduce__(self):  # type: ignore
+        return (partial(type(self), **self.__dict__), ())
+
+
+class InvalidSettingsPath(ISortError):
+    """Raised when a settings path is provided that is neither a valid file or directory"""
+
+    def __init__(self, settings_path: str):
+        super().__init__(
+            f"isort was told to use the settings_path: {settings_path} as the base directory or "
+            "file that represents the starting point of config file discovery, but it does not "
+            "exist."
+        )
+        self.settings_path = settings_path
+
+
+class ExistingSyntaxErrors(ISortError):
+    """Raised when isort is told to sort imports within code that has existing syntax errors"""
+
+    def __init__(self, file_path: str):
+        super().__init__(
+            f"isort was told to sort imports within code that contains syntax errors: "
+            f"{file_path}."
+        )
+        self.file_path = file_path
+
+
+class IntroducedSyntaxErrors(ISortError):
+    """Raised when isort has introduced a syntax error in the process of sorting imports"""
+
+    def __init__(self, file_path: str):
+        super().__init__(
+            f"isort introduced syntax errors when attempting to sort the imports contained within "
+            f"{file_path}."
+        )
+        self.file_path = file_path
+
+
+class FileSkipped(ISortError):
+    """Should be raised when a file is skipped for any reason"""
+
+    def __init__(self, message: str, file_path: str):
+        super().__init__(message)
+        self.message = message
+        self.file_path = file_path
+
+
+class FileSkipComment(FileSkipped):
+    """Raised when an entire file is skipped due to a isort skip file comment"""
+
+    def __init__(self, file_path: str, **kwargs: str):
+        super().__init__(
+            f"{file_path} contains a file skip comment and was skipped.", file_path=file_path
+        )
+
+
+class FileSkipSetting(FileSkipped):
+    """Raised when an entire file is skipped due to provided isort settings"""
+
+    def __init__(self, file_path: str, **kwargs: str):
+        super().__init__(
+            f"{file_path} was skipped as it's listed in 'skip' setting"
+            " or matches a glob in 'skip_glob' setting",
+            file_path=file_path,
+        )
+
+
+class ProfileDoesNotExist(ISortError):
+    """Raised when a profile is set by the user that doesn't exist"""
+
+    def __init__(self, profile: str):
+        super().__init__(
+            f"Specified profile of {profile} does not exist. "
+            f"Available profiles: {','.join(profiles)}."
+        )
+        self.profile = profile
+
+
+class SortingFunctionDoesNotExist(ISortError):
+    """Raised when the specified sorting function isn't available"""
+
+    def __init__(self, sort_order: str, available_sort_orders: List[str]):
+        super().__init__(
+            f"Specified sort_order of {sort_order} does not exist. "
+            f"Available sort_orders: {','.join(available_sort_orders)}."
+        )
+        self.sort_order = sort_order
+        self.available_sort_orders = available_sort_orders
+
+
+class FormattingPluginDoesNotExist(ISortError):
+    """Raised when a formatting plugin is set by the user that doesn't exist"""
+
+    def __init__(self, formatter: str):
+        super().__init__(f"Specified formatting plugin of {formatter} does not exist. ")
+        self.formatter = formatter
+
+
+class LiteralParsingFailure(ISortError):
+    """Raised when one of isorts literal sorting comments is used but isort can't parse the
+    the given data structure.
+    """
+
+    def __init__(self, code: str, original_error: Union[Exception, Type[Exception]]):
+        super().__init__(
+            f"isort failed to parse the given literal {code}. It's important to note "
+            "that isort literal sorting only supports simple literals parsable by "
+            f"ast.literal_eval which gave the exception of {original_error}."
+        )
+        self.code = code
+        self.original_error = original_error
+
+
+class LiteralSortTypeMismatch(ISortError):
+    """Raised when an isort literal sorting comment is used, with a type that doesn't match the
+    supplied data structure's type.
+    """
+
+    def __init__(self, kind: type, expected_kind: type):
+        super().__init__(
+            f"isort was told to sort a literal of type {expected_kind} but was given "
+            f"a literal of type {kind}."
+        )
+        self.kind = kind
+        self.expected_kind = expected_kind
+
+
+class AssignmentsFormatMismatch(ISortError):
+    """Raised when isort is told to sort assignments but the format of the assignment section
+    doesn't match isort's expectation.
+    """
+
+    def __init__(self, code: str):
+        super().__init__(
+            "isort was told to sort a section of assignments, however the given code:\n\n"
+            f"{code}\n\n"
+            "Does not match isort's strict single line formatting requirement for assignment "
+            "sorting:\n\n"
+            "{variable_name} = {value}\n"
+            "{variable_name2} = {value2}\n"
+            "...\n\n"
+        )
+        self.code = code
+
+
+class UnsupportedSettings(ISortError):
+    """Raised when settings are passed into isort (either from config, CLI, or runtime)
+    that it doesn't support.
+    """
+
+    @staticmethod
+    def _format_option(name: str, value: Any, source: str) -> str:
+        return f"\t- {name} = {value}  (source: '{source}')"
+
+    def __init__(self, unsupported_settings: Dict[str, Dict[str, str]]):
+        errors = "\n".join(
+            self._format_option(name, **option) for name, option in unsupported_settings.items()
+        )
+
+        super().__init__(
+            "isort was provided settings that it doesn't support:\n\n"
+            f"{errors}\n\n"
+            "For a complete and up-to-date listing of supported settings see: "
+            "https://pycqa.github.io/isort/docs/configuration/options.\n"
+        )
+        self.unsupported_settings = unsupported_settings
+
+
+class UnsupportedEncoding(ISortError):
+    """Raised when isort encounters an encoding error while trying to read a file"""
+
+    def __init__(self, filename: Union[str, Path]):
+        super().__init__(f"Unknown or unsupported encoding in {filename}")
+        self.filename = filename
+
+
+class MissingSection(ISortError):
+    """Raised when isort encounters an import that matches a section that is not defined"""
+
+    def __init__(self, import_module: str, section: str):
+        super().__init__(
+            f"Found {import_module} import while parsing, but {section} was not included "
+            "in the `sections` setting of your config. Please add it before continuing\n"
+            "See https://pycqa.github.io/isort/#custom-sections-and-ordering "
+            "for more info."
+        )

.venv/lib/python3.8/site-packages/isort/files.py

@@ -0,0 +1,41 @@
+import os
+from pathlib import Path
+from typing import Iterable, Iterator, List, Set
+
+from isort.settings import Config
+
+
+def find(
+    paths: Iterable[str], config: Config, skipped: List[str], broken: List[str]
+) -> Iterator[str]:
+    """Fines and provides an iterator for all Python source files defined in paths."""
+    visited_dirs: Set[Path] = set()
+
+    for path in paths:
+        if os.path.isdir(path):
+            for dirpath, dirnames, filenames in os.walk(
+                path, topdown=True, followlinks=config.follow_links
+            ):
+                base_path = Path(dirpath)
+                for dirname in list(dirnames):
+                    full_path = base_path / dirname
+                    resolved_path = full_path.resolve()
+                    if config.is_skipped(full_path):
+                        skipped.append(dirname)
+                        dirnames.remove(dirname)
+                    else:
+                        if resolved_path in visited_dirs:  # pragma: no cover
+                            dirnames.remove(dirname)
+                    visited_dirs.add(resolved_path)
+
+                for filename in filenames:
+                    filepath = os.path.join(dirpath, filename)
+                    if config.is_supported_filetype(filepath):
+                        if config.is_skipped(Path(os.path.abspath(filepath))):
+                            skipped.append(filename)
+                        else:
+                            yield filepath
+        elif not os.path.exists(path):
+            broken.append(path)
+        else:
+            yield path

.venv/lib/python3.8/site-packages/isort/format.py

@@ -0,0 +1,156 @@
+import re
+import sys
+from datetime import datetime
+from difflib import unified_diff
+from pathlib import Path
+from typing import Optional, TextIO
+
+try:
+    import colorama
+except ImportError:
+    colorama_unavailable = True
+else:
+    colorama_unavailable = False
+    colorama.init(strip=False)
+
+
+ADDED_LINE_PATTERN = re.compile(r"\+[^+]")
+REMOVED_LINE_PATTERN = re.compile(r"-[^-]")
+
+
+def format_simplified(import_line: str) -> str:
+    import_line = import_line.strip()
+    if import_line.startswith("from "):
+        import_line = import_line.replace("from ", "")
+        import_line = import_line.replace(" import ", ".")
+    elif import_line.startswith("import "):
+        import_line = import_line.replace("import ", "")
+
+    return import_line
+
+
+def format_natural(import_line: str) -> str:
+    import_line = import_line.strip()
+    if not import_line.startswith("from ") and not import_line.startswith("import "):
+        if "." not in import_line:
+            return f"import {import_line}"
+        parts = import_line.split(".")
+        end = parts.pop(-1)
+        return f"from {'.'.join(parts)} import {end}"
+
+    return import_line
+
+
+def show_unified_diff(
+    *,
+    file_input: str,
+    file_output: str,
+    file_path: Optional[Path],
+    output: Optional[TextIO] = None,
+    color_output: bool = False,
+) -> None:
+    """Shows a unified_diff for the provided input and output against the provided file path.
+
+    - **file_input**: A string that represents the contents of a file before changes.
+    - **file_output**: A string that represents the contents of a file after changes.
+    - **file_path**: A Path object that represents the file path of the file being changed.
+    - **output**: A stream to output the diff to. If non is provided uses sys.stdout.
+    - **color_output**: Use color in output if True.
+    """
+    printer = create_terminal_printer(color_output, output)
+    file_name = "" if file_path is None else str(file_path)
+    file_mtime = str(
+        datetime.now() if file_path is None else datetime.fromtimestamp(file_path.stat().st_mtime)
+    )
+    unified_diff_lines = unified_diff(
+        file_input.splitlines(keepends=True),
+        file_output.splitlines(keepends=True),
+        fromfile=file_name + ":before",
+        tofile=file_name + ":after",
+        fromfiledate=file_mtime,
+        tofiledate=str(datetime.now()),
+    )
+    for line in unified_diff_lines:
+        printer.diff_line(line)
+
+
+def ask_whether_to_apply_changes_to_file(file_path: str) -> bool:
+    answer = None
+    while answer not in ("yes", "y", "no", "n", "quit", "q"):
+        answer = input(f"Apply suggested changes to '{file_path}' [y/n/q]? ")  # nosec
+        answer = answer.lower()
+        if answer in ("no", "n"):
+            return False
+        if answer in ("quit", "q"):
+            sys.exit(1)
+    return True
+
+
+def remove_whitespace(content: str, line_separator: str = "\n") -> str:
+    content = content.replace(line_separator, "").replace(" ", "").replace("\x0c", "")
+    return content
+
+
+class BasicPrinter:
+    ERROR = "ERROR"
+    SUCCESS = "SUCCESS"
+
+    def __init__(self, error: str, success: str, output: Optional[TextIO] = None):
+        self.output = output or sys.stdout
+        self.success_message = success
+        self.error_message = error
+
+    def success(self, message: str) -> None:
+        print(self.success_message.format(success=self.SUCCESS, message=message), file=self.output)
+
+    def error(self, message: str) -> None:
+        print(self.error_message.format(error=self.ERROR, message=message), file=sys.stderr)
+
+    def diff_line(self, line: str) -> None:
+        self.output.write(line)
+
+
+class ColoramaPrinter(BasicPrinter):
+    def __init__(self, error: str, success: str, output: Optional[TextIO]):
+        super().__init__(error, success, output=output)
+
+        # Note: this constants are instance variables instead ofs class variables
+        # because they refer to colorama which might not be installed.
+        self.ERROR = self.style_text("ERROR", colorama.Fore.RED)
+        self.SUCCESS = self.style_text("SUCCESS", colorama.Fore.GREEN)
+        self.ADDED_LINE = colorama.Fore.GREEN
+        self.REMOVED_LINE = colorama.Fore.RED
+
+    @staticmethod
+    def style_text(text: str, style: Optional[str] = None) -> str:
+        if style is None:
+            return text
+        return style + text + str(colorama.Style.RESET_ALL)
+
+    def diff_line(self, line: str) -> None:
+        style = None
+        if re.match(ADDED_LINE_PATTERN, line):
+            style = self.ADDED_LINE
+        elif re.match(REMOVED_LINE_PATTERN, line):
+            style = self.REMOVED_LINE
+        self.output.write(self.style_text(line, style))
+
+
+def create_terminal_printer(
+    color: bool, output: Optional[TextIO] = None, error: str = "", success: str = ""
+) -> BasicPrinter:
+    if color and colorama_unavailable:
+        no_colorama_message = (
+            "\n"
+            "Sorry, but to use --color (color_output) the colorama python package is required.\n\n"
+            "Reference: https://pypi.org/project/colorama/\n\n"
+            "You can either install it separately on your system or as the colors extra "
+            "for isort. Ex: \n\n"
+            "$ pip install isort[colors]\n"
+        )
+        print(no_colorama_message, file=sys.stderr)
+        sys.exit(1)
+
+    return (
+        ColoramaPrinter(error, success, output) if color else BasicPrinter(error, success, output)
+    )

.venv/lib/python3.8/site-packages/isort/hooks.py

@@ -0,0 +1,86 @@
+"""Defines a git hook to allow pre-commit warnings and errors about import order.
+
+usage:
+    exit_code = git_hook(strict=True|False, modify=True|False)
+"""
+import os
+import subprocess  # nosec - Needed for hook
+from pathlib import Path
+from typing import List
+
+from isort import Config, api, exceptions
+
+
+def get_output(command: List[str]) -> str:
+    """Run a command and return raw output
+
+    :param str command: the command to run
+    :returns: the stdout output of the command
+    """
+    result = subprocess.run(command, stdout=subprocess.PIPE, check=True)  # nosec - trusted input
+    return result.stdout.decode()
+
+
+def get_lines(command: List[str]) -> List[str]:
+    """Run a command and return lines of output
+
+    :param str command: the command to run
+    :returns: list of whitespace-stripped lines output by command
+    """
+    stdout = get_output(command)
+    return [line.strip() for line in stdout.splitlines()]
+
+
+def git_hook(
+    strict: bool = False, modify: bool = False, lazy: bool = False, settings_file: str = ""
+) -> int:
+    """Git pre-commit hook to check staged files for isort errors
+
+    :param bool strict - if True, return number of errors on exit,
+        causing the hook to fail. If False, return zero so it will
+        just act as a warning.
+    :param bool modify - if True, fix the sources if they are not
+        sorted properly. If False, only report result without
+        modifying anything.
+    :param bool lazy - if True, also check/fix unstaged files.
+        This is useful if you frequently use ``git commit -a`` for example.
+        If False, only check/fix the staged files for isort errors.
+    :param str settings_file - A path to a file to be used as
+                               the configuration file for this run.
+        When settings_file is the empty string, the configuration file
+        will be searched starting at the directory containing the first
+        staged file, if any, and going upward in the directory structure.
+
+    :return number of errors if in strict mode, 0 otherwise.
+    """
+    # Get list of files modified and staged
+    diff_cmd = ["git", "diff-index", "--cached", "--name-only", "--diff-filter=ACMRTUXB", "HEAD"]
+    if lazy:
+        diff_cmd.remove("--cached")
+
+    files_modified = get_lines(diff_cmd)
+    if not files_modified:
+        return 0
+
+    errors = 0
+    config = Config(
+        settings_file=settings_file,
+        settings_path=os.path.dirname(os.path.abspath(files_modified[0])),
+    )
+    for filename in files_modified:
+        if filename.endswith(".py"):
+            # Get the staged contents of the file
+            staged_cmd = ["git", "show", f":{filename}"]
+            staged_contents = get_output(staged_cmd)
+
+            try:
+                if not api.check_code_string(
+                    staged_contents, file_path=Path(filename), config=config
+                ):
+                    errors += 1
+                    if modify:
+                        api.sort_file(filename, config=config)
+            except exceptions.FileSkipped:  # pragma: no cover
+                pass
+
+    return errors if strict else 0

.venv/lib/python3.8/site-packages/isort/identify.py

@@ -0,0 +1,206 @@
+"""Fast stream based import identification.
+Eventually this will likely replace parse.py
+"""
+from functools import partial
+from pathlib import Path
+from typing import Iterator, NamedTuple, Optional, TextIO, Tuple
+
+from isort.parse import _normalize_line, _strip_syntax, skip_line
+
+from .comments import parse as parse_comments
+from .settings import DEFAULT_CONFIG, Config
+
+STATEMENT_DECLARATIONS: Tuple[str, ...] = ("def ", "cdef ", "cpdef ", "class ", "@", "async def")
+
+
+class Import(NamedTuple):
+    line_number: int
+    indented: bool
+    module: str
+    attribute: Optional[str] = None
+    alias: Optional[str] = None
+    cimport: bool = False
+    file_path: Optional[Path] = None
+
+    def statement(self) -> str:
+        import_cmd = "cimport" if self.cimport else "import"
+        if self.attribute:
+            import_string = f"from {self.module} {import_cmd} {self.attribute}"
+        else:
+            import_string = f"{import_cmd} {self.module}"
+        if self.alias:
+            import_string += f" as {self.alias}"
+        return import_string
+
+    def __str__(self) -> str:
+        return (
+            f"{self.file_path or ''}:{self.line_number} "
+            f"{'indented ' if self.indented else ''}{self.statement()}"
+        )
+
+
+def imports(
+    input_stream: TextIO,
+    config: Config = DEFAULT_CONFIG,
+    file_path: Optional[Path] = None,
+    top_only: bool = False,
+) -> Iterator[Import]:
+    """Parses a python file taking out and categorizing imports."""
+    in_quote = ""
+
+    indexed_input = enumerate(input_stream)
+    for index, raw_line in indexed_input:
+        (skipping_line, in_quote) = skip_line(
+            raw_line, in_quote=in_quote, index=index, section_comments=config.section_comments
+        )
+
+        if top_only and not in_quote and raw_line.startswith(STATEMENT_DECLARATIONS):
+            break
+        if skipping_line:
+            continue
+
+        stripped_line = raw_line.strip().split("#")[0]
+        if stripped_line.startswith("raise") or stripped_line.startswith("yield"):
+            if stripped_line == "yield":
+                while not stripped_line or stripped_line == "yield":
+                    try:
+                        index, next_line = next(indexed_input)
+                    except StopIteration:
+                        break
+
+                    stripped_line = next_line.strip().split("#")[0]
+            while stripped_line.endswith("\\"):
+                try:
+                    index, next_line = next(indexed_input)
+                except StopIteration:
+                    break
+
+                stripped_line = next_line.strip().split("#")[0]
+            continue  # pragma: no cover
+
+        line, *end_of_line_comment = raw_line.split("#", 1)
+        statements = [line.strip() for line in line.split(";")]
+        if end_of_line_comment:
+            statements[-1] = f"{statements[-1]}#{end_of_line_comment[0]}"
+
+        for statement in statements:
+            line, _raw_line = _normalize_line(statement)
+            if line.startswith(("import ", "cimport ")):
+                type_of_import = "straight"
+            elif line.startswith("from "):
+                type_of_import = "from"
+            else:
+                continue  # pragma: no cover
+
+            import_string, _ = parse_comments(line)
+            normalized_import_string = (
+                import_string.replace("import(", "import (").replace("\\", " ").replace("\n", " ")
+            )
+            cimports: bool = (
+                " cimport " in normalized_import_string
+                or normalized_import_string.startswith("cimport")
+            )
+            identified_import = partial(
+                Import,
+                index + 1,  # line numbers use 1 based indexing
+                raw_line.startswith((" ", "\t")),
+                cimport=cimports,
+                file_path=file_path,
+            )
+
+            if "(" in line.split("#", 1)[0]:
+                while not line.split("#")[0].strip().endswith(")"):
+                    try:
+                        index, next_line = next(indexed_input)
+                    except StopIteration:
+                        break
+
+                    line, _ = parse_comments(next_line)
+                    import_string += "\n" + line
+            else:
+                while line.strip().endswith("\\"):
+                    try:
+                        index, next_line = next(indexed_input)
+                    except StopIteration:
+                        break
+
+                    line, _ = parse_comments(next_line)
+
+                    # Still need to check for parentheses after an escaped line
+                    if "(" in line.split("#")[0] and ")" not in line.split("#")[0]:
+                        import_string += "\n" + line
+
+                        while not line.split("#")[0].strip().endswith(")"):
+                            try:
+                                index, next_line = next(indexed_input)
+                            except StopIteration:
+                                break
+                            line, _ = parse_comments(next_line)
+                            import_string += "\n" + line
+                    else:
+                        if import_string.strip().endswith(
+                            (" import", " cimport")
+                        ) or line.strip().startswith(("import ", "cimport ")):
+                            import_string += "\n" + line
+                        else:
+                            import_string = (
+                                import_string.rstrip().rstrip("\\") + " " + line.lstrip()
+                            )
+
+            if type_of_import == "from":
+                import_string = (
+                    import_string.replace("import(", "import (")
+                    .replace("\\", " ")
+                    .replace("\n", " ")
+                )
+                parts = import_string.split(" cimport " if cimports else " import ")
+
+                from_import = parts[0].split(" ")
+                import_string = (" cimport " if cimports else " import ").join(
+                    [from_import[0] + " " + "".join(from_import[1:])] + parts[1:]
+                )
+
+            just_imports = [
+                item.replace("{|", "{ ").replace("|}", " }")
+                for item in _strip_syntax(import_string).split()
+            ]
+
+            direct_imports = just_imports[1:]
+            top_level_module = ""
+            if "as" in just_imports and (just_imports.index("as") + 1) < len(just_imports):
+                while "as" in just_imports:
+                    attribute = None
+                    as_index = just_imports.index("as")
+                    if type_of_import == "from":
+                        attribute = just_imports[as_index - 1]
+                        top_level_module = just_imports[0]
+                        module = top_level_module + "." + attribute
+                        alias = just_imports[as_index + 1]
+                        direct_imports.remove(attribute)
+                        direct_imports.remove(alias)
+                        direct_imports.remove("as")
+                        just_imports[1:] = direct_imports
+                        if attribute == alias and config.remove_redundant_aliases:
+                            yield identified_import(top_level_module, attribute)
+                        else:
+                            yield identified_import(top_level_module, attribute, alias=alias)
+
+                    else:
+                        module = just_imports[as_index - 1]
+                        alias = just_imports[as_index + 1]
+                        just_imports.remove(alias)
+                        just_imports.remove("as")
+                        just_imports.remove(module)
+                        if module == alias and config.remove_redundant_aliases:
+                            yield identified_import(module)
+                        else:
+                            yield identified_import(module, alias=alias)
+
+            if just_imports:
+                if type_of_import == "from":
+                    module = just_imports.pop(0)
+                    for attribute in just_imports:
+                        yield identified_import(module, attribute)
+                else:
+                    for module in just_imports:
+                        yield identified_import(module)

.venv/lib/python3.8/site-packages/isort/io.py

@@ -0,0 +1,73 @@
+"""Defines any IO utilities used by isort"""
+import re
+import tokenize
+from contextlib import contextmanager
+from io import BytesIO, StringIO, TextIOWrapper
+from pathlib import Path
+from typing import Any, Callable, Iterator, TextIO, Union
+
+from isort._future import dataclass
+from isort.exceptions import UnsupportedEncoding
+
+_ENCODING_PATTERN = re.compile(br"^[ \t\f]*#.*?coding[:=][ \t]*([-_.a-zA-Z0-9]+)")
+
+
+@dataclass(frozen=True)
+class File:
+    stream: TextIO
+    path: Path
+    encoding: str
+
+    @staticmethod
+    def detect_encoding(filename: Union[str, Path], readline: Callable[[], bytes]) -> str:
+        try:
+            return tokenize.detect_encoding(readline)[0]
+        except Exception:
+            raise UnsupportedEncoding(filename)
+
+    @staticmethod
+    def from_contents(contents: str, filename: str) -> "File":
+        encoding = File.detect_encoding(filename, BytesIO(contents.encode("utf-8")).readline)
+        return File(  # type: ignore
+            stream=StringIO(contents), path=Path(filename).resolve(), encoding=encoding
+        )
+
+    @property
+    def extension(self) -> str:
+        return self.path.suffix.lstrip(".")
+
+    @staticmethod
+    def _open(filename: Union[str, Path]) -> TextIOWrapper:
+        """Open a file in read only mode using the encoding detected by
+        detect_encoding().
+        """
+        buffer = open(filename, "rb")
+        try:
+            encoding = File.detect_encoding(filename, buffer.readline)
+            buffer.seek(0)
+            text = TextIOWrapper(buffer, encoding, line_buffering=True, newline="")
+            text.mode = "r"  # type: ignore
+            return text
+        except Exception:
+            buffer.close()
+            raise
+
+    @staticmethod
+    @contextmanager
+    def read(filename: Union[str, Path]) -> Iterator["File"]:
+        file_path = Path(filename).resolve()
+        stream = None
+        try:
+            stream = File._open(file_path)
+            yield File(stream=stream, path=file_path, encoding=stream.encoding)  # type: ignore
+        finally:
+            if stream is not None:
+                stream.close()
+
+
+class _EmptyIO(StringIO):
+    def write(self, *args: Any, **kwargs: Any) -> None:  # type: ignore # skipcq: PTC-W0049
+        pass
+
+
+Empty = _EmptyIO()

.venv/lib/python3.8/site-packages/isort/literal.py

@@ -0,0 +1,113 @@
+import ast
+from pprint import PrettyPrinter
+from typing import Any, Callable, Dict, List, Set, Tuple
+
+from isort.exceptions import (
+    AssignmentsFormatMismatch,
+    LiteralParsingFailure,
+    LiteralSortTypeMismatch,
+)
+from isort.settings import DEFAULT_CONFIG, Config
+
+
+class ISortPrettyPrinter(PrettyPrinter):
+    """an isort customized pretty printer for sorted literals"""
+
+    def __init__(self, config: Config):
+        super().__init__(width=config.line_length, compact=True)
+
+
+type_mapping: Dict[str, Tuple[type, Callable[[Any, ISortPrettyPrinter], str]]] = {}
+
+
+def assignments(code: str) -> str:
+    values = {}
+    for line in code.splitlines(keepends=True):
+        if not line.strip():
+            continue
+        if " = " not in line:
+            raise AssignmentsFormatMismatch(code)
+        variable_name, value = line.split(" = ", 1)
+        values[variable_name] = value
+
+    return "".join(
+        f"{variable_name} = {values[variable_name]}" for variable_name in sorted(values.keys())
+    )
+
+
+def assignment(code: str, sort_type: str, extension: str, config: Config = DEFAULT_CONFIG) -> str:
+    """Sorts the literal present within the provided code against the provided sort type,
+    returning the sorted representation of the source code.
+    """
+    if sort_type == "assignments":
+        return assignments(code)
+    if sort_type not in type_mapping:
+        raise ValueError(
+            "Trying to sort using an undefined sort_type. "
+            f"Defined sort types are {', '.join(type_mapping.keys())}."
+        )
+
+    variable_name, literal = code.split(" = ")
+    variable_name = variable_name.lstrip()
+    try:
+        value = ast.literal_eval(literal)
+    except Exception as error:
+        raise LiteralParsingFailure(code, error)
+
+    expected_type, sort_function = type_mapping[sort_type]
+    if type(value) != expected_type:
+        raise LiteralSortTypeMismatch(type(value), expected_type)
+
+    printer = ISortPrettyPrinter(config)
+    sorted_value_code = f"{variable_name} = {sort_function(value, printer)}"
+    if config.formatting_function:
+        sorted_value_code = config.formatting_function(
+            sorted_value_code, extension, config
+        ).rstrip()
+
+    sorted_value_code += code[len(code.rstrip()) :]
+    return sorted_value_code
+
+
+def register_type(
+    name: str, kind: type
+) -> Callable[[Callable[[Any, ISortPrettyPrinter], str]], Callable[[Any, ISortPrettyPrinter], str]]:
+    """Registers a new literal sort type."""
+
+    def wrap(
+        function: Callable[[Any, ISortPrettyPrinter], str]
+    ) -> Callable[[Any, ISortPrettyPrinter], str]:
+        type_mapping[name] = (kind, function)
+        return function
+
+    return wrap
+
+
+@register_type("dict", dict)
+def _dict(value: Dict[Any, Any], printer: ISortPrettyPrinter) -> str:
+    return printer.pformat(dict(sorted(value.items(), key=lambda item: item[1])))  # type: ignore
+
+
+@register_type("list", list)
+def _list(value: List[Any], printer: ISortPrettyPrinter) -> str:
+    return printer.pformat(sorted(value))
+
+
+@register_type("unique-list", list)
+def _unique_list(value: List[Any], printer: ISortPrettyPrinter) -> str:
+    return printer.pformat(list(sorted(set(value))))
+
+
+@register_type("set", set)
+def _set(value: Set[Any], printer: ISortPrettyPrinter) -> str:
+    return "{" + printer.pformat(tuple(sorted(value)))[1:-1] + "}"
+
+
+@register_type("tuple", tuple)
+def _tuple(value: Tuple[Any, ...], printer: ISortPrettyPrinter) -> str:
+    return printer.pformat(tuple(sorted(value)))
+
+
+@register_type("unique-tuple", tuple)
+def _unique_tuple(value: Tuple[Any, ...], printer: ISortPrettyPrinter) -> str:
+    return printer.pformat(tuple(sorted(set(value))))

.venv/lib/python3.8/site-packages/isort/logo.py

@@ -0,0 +1,19 @@
+from ._version import __version__
+
+ASCII_ART = rf"""
+                 _                 _
+                (_) ___  ___  _ __| |_
+                | |/ _/ / _ \/ '__  _/
+                | |\__ \/\_\/| |  | |_
+                |_|\___/\___/\_/   \_/
+
+      isort your imports, so you don't have to.
+
+                    VERSION {__version__}
+"""
+
+__doc__ = f"""
+```python
+{ASCII_ART}
+```
+"""

.venv/lib/python3.8/site-packages/isort/output.py

@@ -0,0 +1,655 @@
+import copy
+import itertools
+from functools import partial
+from typing import Any, Iterable, List, Optional, Set, Tuple, Type
+
+from isort.format import format_simplified
+
+from . import parse, sorting, wrap
+from .comments import add_to_line as with_comments
+from .identify import STATEMENT_DECLARATIONS
+from .settings import DEFAULT_CONFIG, Config
+
+
+def sorted_imports(
+    parsed: parse.ParsedContent,
+    config: Config = DEFAULT_CONFIG,
+    extension: str = "py",
+    import_type: str = "import",
+) -> str:
+    """Adds the imports back to the file.
+
+    (at the index of the first import) sorted alphabetically and split between groups
+
+    """
+    if parsed.import_index == -1:
+        return _output_as_string(parsed.lines_without_imports, parsed.line_separator)
+
+    formatted_output: List[str] = parsed.lines_without_imports.copy()
+    remove_imports = [format_simplified(removal) for removal in config.remove_imports]
+
+    sections: Iterable[str] = itertools.chain(parsed.sections, config.forced_separate)
+
+    if config.no_sections:
+        parsed.imports["no_sections"] = {"straight": {}, "from": {}}
+        base_sections: Tuple[str, ...] = ()
+        for section in sections:
+            if section == "FUTURE":
+                base_sections = ("FUTURE",)
+                continue
+            parsed.imports["no_sections"]["straight"].update(
+                parsed.imports[section].get("straight", {})
+            )
+            parsed.imports["no_sections"]["from"].update(parsed.imports[section].get("from", {}))
+        sections = base_sections + ("no_sections",)
+
+    output: List[str] = []
+    seen_headings: Set[str] = set()
+    pending_lines_before = False
+    for section in sections:
+        straight_modules = parsed.imports[section]["straight"]
+        if not config.only_sections:
+            straight_modules = sorting.sort(
+                config,
+                straight_modules,
+                key=lambda key: sorting.module_key(
+                    key, config, section_name=section, straight_import=True
+                ),
+                reverse=config.reverse_sort,
+            )
+
+        from_modules = parsed.imports[section]["from"]
+        if not config.only_sections:
+            from_modules = sorting.sort(
+                config,
+                from_modules,
+                key=lambda key: sorting.module_key(key, config, section_name=section),
+                reverse=config.reverse_sort,
+            )
+
+            if config.star_first:
+                star_modules = []
+                other_modules = []
+                for module in from_modules:
+                    if "*" in parsed.imports[section]["from"][module]:
+                        star_modules.append(module)
+                    else:
+                        other_modules.append(module)
+                from_modules = star_modules + other_modules
+
+        straight_imports = _with_straight_imports(
+            parsed, config, straight_modules, section, remove_imports, import_type
+        )
+        from_imports = _with_from_imports(
+            parsed, config, from_modules, section, remove_imports, import_type
+        )
+
+        lines_between = [""] * (
+            config.lines_between_types if from_modules and straight_modules else 0
+        )
+        if config.from_first:
+            section_output = from_imports + lines_between + straight_imports
+        else:
+            section_output = straight_imports + lines_between + from_imports
+
+        if config.force_sort_within_sections:
+            # collapse comments
+            comments_above = []
+            new_section_output: List[str] = []
+            for line in section_output:
+                if not line:
+                    continue
+                if line.startswith("#"):
+                    comments_above.append(line)
+                elif comments_above:
+                    new_section_output.append(_LineWithComments(line, comments_above))
+                    comments_above = []
+                else:
+                    new_section_output.append(line)
+            # only_sections options is not imposed if force_sort_within_sections is True
+            new_section_output = sorting.sort(
+                config,
+                new_section_output,
+                key=partial(sorting.section_key, config=config),
+                reverse=config.reverse_sort,
+            )
+
+            # uncollapse comments
+            section_output = []
+            for line in new_section_output:
+                comments = getattr(line, "comments", ())
+                if comments:
+                    section_output.extend(comments)
+                section_output.append(str(line))
+
+        section_name = section
+        no_lines_before = section_name in config.no_lines_before
+
+        if section_output:
+            if section_name in parsed.place_imports:
+                parsed.place_imports[section_name] = section_output
+                continue
+
+            section_title = config.import_headings.get(section_name.lower(), "")
+            if section_title and section_title not in seen_headings:
+                if config.dedup_headings:
+                    seen_headings.add(section_title)
+                section_comment = f"# {section_title}"
+                if section_comment not in parsed.lines_without_imports[0:1]:  # pragma: no branch
+                    section_output.insert(0, section_comment)
+
+            section_footer = config.import_footers.get(section_name.lower(), "")
+            if section_footer and section_footer not in seen_headings:
+                if config.dedup_headings:
+                    seen_headings.add(section_footer)
+                section_comment_end = f"# {section_footer}"
+                if (
+                    section_comment_end not in parsed.lines_without_imports[-1:]
+                ):  # pragma: no branch
+                    section_output.append("")  # Empty line for black compatibility
+                    section_output.append(section_comment_end)
+
+            if pending_lines_before or not no_lines_before:
+                output += [""] * config.lines_between_sections
+
+            output += section_output
+
+            pending_lines_before = False
+        else:
+            pending_lines_before = pending_lines_before or not no_lines_before
+
+    if config.ensure_newline_before_comments:
+        output = _ensure_newline_before_comment(output)
+
+    while output and output[-1].strip() == "":
+        output.pop()  # pragma: no cover
+    while output and output[0].strip() == "":
+        output.pop(0)
+
+    if config.formatting_function:
+        output = config.formatting_function(
+            parsed.line_separator.join(output), extension, config
+        ).splitlines()
+
+    output_at = 0
+    if parsed.import_index < parsed.original_line_count:
+        output_at = parsed.import_index
+    formatted_output[output_at:0] = output
+
+    if output:
+        imports_tail = output_at + len(output)
+        while [
+            character.strip() for character in formatted_output[imports_tail : imports_tail + 1]
+        ] == [""]:
+            formatted_output.pop(imports_tail)
+
+        if len(formatted_output) > imports_tail:
+            next_construct = ""
+            tail = formatted_output[imports_tail:]
+
+            for index, line in enumerate(tail):  # pragma: no branch
+                should_skip, in_quote, *_ = parse.skip_line(
+                    line,
+                    in_quote="",
+                    index=len(formatted_output),
+                    section_comments=config.section_comments,
+                    needs_import=False,
+                )
+                if not should_skip and line.strip():
+                    if (
+                        line.strip().startswith("#")
+                        and len(tail) > (index + 1)
+                        and tail[index + 1].strip()
+                    ):
+                        continue
+                    next_construct = line
+                    break
+                if in_quote:  # pragma: no branch
+                    next_construct = line
+                    break
+
+            if config.lines_after_imports != -1:
+                formatted_output[imports_tail:0] = [
+                    "" for line in range(config.lines_after_imports)
+                ]
+            elif extension != "pyi" and next_construct.startswith(STATEMENT_DECLARATIONS):
+                formatted_output[imports_tail:0] = ["", ""]
+            else:
+                formatted_output[imports_tail:0] = [""]
+
+            if config.lines_before_imports != -1:
+                formatted_output[:0] = ["" for line in range(config.lines_before_imports)]
+
+    if parsed.place_imports:
+        new_out_lines = []
+        for index, line in enumerate(formatted_output):
+            new_out_lines.append(line)
+            if line in parsed.import_placements:
+                new_out_lines.extend(parsed.place_imports[parsed.import_placements[line]])
+                if (
+                    len(formatted_output) <= (index + 1)
+                    or formatted_output[index + 1].strip() != ""
+                ):
+                    new_out_lines.append("")
+        formatted_output = new_out_lines
+
+    return _output_as_string(formatted_output, parsed.line_separator)
+
+
+def _with_from_imports(
+    parsed: parse.ParsedContent,
+    config: Config,
+    from_modules: Iterable[str],
+    section: str,
+    remove_imports: List[str],
+    import_type: str,
+) -> List[str]:
+    output: List[str] = []
+    for module in from_modules:
+        if module in remove_imports:
+            continue
+
+        import_start = f"from {module} {import_type} "
+        from_imports = list(parsed.imports[section]["from"][module])
+        if (
+            not config.no_inline_sort
+            or (config.force_single_line and module not in config.single_line_exclusions)
+        ) and not config.only_sections:
+            from_imports = sorting.sort(
+                config,
+                from_imports,
+                key=lambda key: sorting.module_key(
+                    key,
+                    config,
+                    True,
+                    config.force_alphabetical_sort_within_sections,
+                    section_name=section,
+                ),
+                reverse=config.reverse_sort,
+            )
+        if remove_imports:
+            from_imports = [
+                line for line in from_imports if f"{module}.{line}" not in remove_imports
+            ]
+
+        sub_modules = [f"{module}.{from_import}" for from_import in from_imports]
+        as_imports = {
+            from_import: [
+                f"{from_import} as {as_module}" for as_module in parsed.as_map["from"][sub_module]
+            ]
+            for from_import, sub_module in zip(from_imports, sub_modules)
+            if sub_module in parsed.as_map["from"]
+        }
+        if config.combine_as_imports and not ("*" in from_imports and config.combine_star):
+            if not config.no_inline_sort:
+                for as_import in as_imports:
+                    if not config.only_sections:
+                        as_imports[as_import] = sorting.sort(config, as_imports[as_import])
+            for from_import in copy.copy(from_imports):
+                if from_import in as_imports:
+                    idx = from_imports.index(from_import)
+                    if parsed.imports[section]["from"][module][from_import]:
+                        from_imports[(idx + 1) : (idx + 1)] = as_imports.pop(from_import)
+                    else:
+                        from_imports[idx : (idx + 1)] = as_imports.pop(from_import)
+
+        only_show_as_imports = False
+        comments = parsed.categorized_comments["from"].pop(module, ())
+        above_comments = parsed.categorized_comments["above"]["from"].pop(module, None)
+        while from_imports:
+            if above_comments:
+                output.extend(above_comments)
+                above_comments = None
+
+            if "*" in from_imports and config.combine_star:
+                import_statement = wrap.line(
+                    with_comments(
+                        _with_star_comments(parsed, module, list(comments or ())),
+                        f"{import_start}*",
+                        removed=config.ignore_comments,
+                        comment_prefix=config.comment_prefix,
+                    ),
+                    parsed.line_separator,
+                    config,
+                )
+                from_imports = [
+                    from_import for from_import in from_imports if from_import in as_imports
+                ]
+                only_show_as_imports = True
+            elif config.force_single_line and module not in config.single_line_exclusions:
+                import_statement = ""
+                while from_imports:
+                    from_import = from_imports.pop(0)
+                    single_import_line = with_comments(
+                        comments,
+                        import_start + from_import,
+                        removed=config.ignore_comments,
+                        comment_prefix=config.comment_prefix,
+                    )
+                    comment = (
+                        parsed.categorized_comments["nested"].get(module, {}).pop(from_import, None)
+                    )
+                    if comment:
+                        single_import_line += (
+                            f"{comments and ';' or config.comment_prefix} " f"{comment}"
+                        )
+                    if from_import in as_imports:
+                        if (
+                            parsed.imports[section]["from"][module][from_import]
+                            and not only_show_as_imports
+                        ):
+                            output.append(
+                                wrap.line(single_import_line, parsed.line_separator, config)
+                            )
+                        from_comments = parsed.categorized_comments["straight"].get(
+                            f"{module}.{from_import}"
+                        )
+
+                        if not config.only_sections:
+                            output.extend(
+                                with_comments(
+                                    from_comments,
+                                    wrap.line(
+                                        import_start + as_import, parsed.line_separator, config
+                                    ),
+                                    removed=config.ignore_comments,
+                                    comment_prefix=config.comment_prefix,
+                                )
+                                for as_import in sorting.sort(config, as_imports[from_import])
+                            )
+
+                        else:
+                            output.extend(
+                                with_comments(
+                                    from_comments,
+                                    wrap.line(
+                                        import_start + as_import, parsed.line_separator, config
+                                    ),
+                                    removed=config.ignore_comments,
+                                    comment_prefix=config.comment_prefix,
+                                )
+                                for as_import in as_imports[from_import]
+                            )
+                    else:
+                        output.append(wrap.line(single_import_line, parsed.line_separator, config))
+                    comments = None
+            else:
+                while from_imports and from_imports[0] in as_imports:
+                    from_import = from_imports.pop(0)
+
+                    if not config.only_sections:
+                        as_imports[from_import] = sorting.sort(config, as_imports[from_import])
+                    from_comments = (
+                        parsed.categorized_comments["straight"].get(f"{module}.{from_import}") or []
+                    )
+                    if (
+                        parsed.imports[section]["from"][module][from_import]
+                        and not only_show_as_imports
+                    ):
+                        specific_comment = (
+                            parsed.categorized_comments["nested"]
+                            .get(module, {})
+                            .pop(from_import, None)
+                        )
+                        if specific_comment:
+                            from_comments.append(specific_comment)
+                        output.append(
+                            wrap.line(
+                                with_comments(
+                                    from_comments,
+                                    import_start + from_import,
+                                    removed=config.ignore_comments,
+                                    comment_prefix=config.comment_prefix,
+                                ),
+                                parsed.line_separator,
+                                config,
+                            )
+                        )
+                        from_comments = []
+
+                    for as_import in as_imports[from_import]:
+                        specific_comment = (
+                            parsed.categorized_comments["nested"]
+                            .get(module, {})
+                            .pop(as_import, None)
+                        )
+                        if specific_comment:
+                            from_comments.append(specific_comment)
+
+                        output.append(
+                            wrap.line(
+                                with_comments(
+                                    from_comments,
+                                    import_start + as_import,
+                                    removed=config.ignore_comments,
+                                    comment_prefix=config.comment_prefix,
+                                ),
+                                parsed.line_separator,
+                                config,
+                            )
+                        )
+
+                        from_comments = []
+
+                if "*" in from_imports:
+                    output.append(
+                        with_comments(
+                            _with_star_comments(parsed, module, []),
+                            f"{import_start}*",
+                            removed=config.ignore_comments,
+                            comment_prefix=config.comment_prefix,
+                        )
+                    )
+                    from_imports.remove("*")
+
+                for from_import in copy.copy(from_imports):
+                    comment = (
+                        parsed.categorized_comments["nested"].get(module, {}).pop(from_import, None)
+                    )
+                    if comment:
+                        from_imports.remove(from_import)
+                        if from_imports:
+                            use_comments = []
+                        else:
+                            use_comments = comments
+                            comments = None
+                        single_import_line = with_comments(
+                            use_comments,
+                            import_start + from_import,
+                            removed=config.ignore_comments,
+                            comment_prefix=config.comment_prefix,
+                        )
+                        single_import_line += (
+                            f"{use_comments and ';' or config.comment_prefix} " f"{comment}"
+                        )
+                        output.append(wrap.line(single_import_line, parsed.line_separator, config))
+
+                from_import_section = []
+                while from_imports and (
+                    from_imports[0] not in as_imports
+                    or (
+                        config.combine_as_imports
+                        and parsed.imports[section]["from"][module][from_import]
+                    )
+                ):
+                    from_import_section.append(from_imports.pop(0))
+                if config.combine_as_imports:
+                    comments = (comments or []) + list(
+                        parsed.categorized_comments["from"].pop(f"{module}.__combined_as__", ())
+                    )
+                import_statement = with_comments(
+                    comments,
+                    import_start + (", ").join(from_import_section),
+                    removed=config.ignore_comments,
+                    comment_prefix=config.comment_prefix,
+                )
+                if not from_import_section:
+                    import_statement = ""
+
+                do_multiline_reformat = False
+
+                force_grid_wrap = config.force_grid_wrap
+                if force_grid_wrap and len(from_import_section) >= force_grid_wrap:
+                    do_multiline_reformat = True
+
+                if len(import_statement) > config.line_length and len(from_import_section) > 1:
+                    do_multiline_reformat = True
+
+                # If line too long AND have imports AND we are
+                # NOT using GRID or VERTICAL wrap modes
+                if (
+                    len(import_statement) > config.line_length
+                    and len(from_import_section) > 0
+                    and config.multi_line_output
+                    not in (wrap.Modes.GRID, wrap.Modes.VERTICAL)  # type: ignore
+                ):
+                    do_multiline_reformat = True
+
+                if do_multiline_reformat:
+                    import_statement = wrap.import_statement(
+                        import_start=import_start,
+                        from_imports=from_import_section,
+                        comments=comments,
+                        line_separator=parsed.line_separator,
+                        config=config,
+                    )
+                    if config.multi_line_output == wrap.Modes.GRID:  # type: ignore
+                        other_import_statement = wrap.import_statement(
+                            import_start=import_start,
+                            from_imports=from_import_section,
+                            comments=comments,
+                            line_separator=parsed.line_separator,
+                            config=config,
+                            multi_line_output=wrap.Modes.VERTICAL_GRID,  # type: ignore
+                        )
+                        if (
+                            max(
+                                len(import_line)
+                                for import_line in import_statement.split(parsed.line_separator)
+                            )
+                            > config.line_length
+                        ):
+                            import_statement = other_import_statement
+                if not do_multiline_reformat and len(import_statement) > config.line_length:
+                    import_statement = wrap.line(import_statement, parsed.line_separator, config)
+
+            if import_statement:
+                output.append(import_statement)
+    return output
+
+
+def _with_straight_imports(
+    parsed: parse.ParsedContent,
+    config: Config,
+    straight_modules: Iterable[str],
+    section: str,
+    remove_imports: List[str],
+    import_type: str,
+) -> List[str]:
+    output: List[str] = []
+
+    as_imports = any((module in parsed.as_map["straight"] for module in straight_modules))
+
+    # combine_straight_imports only works for bare imports, 'as' imports not included
+    if config.combine_straight_imports and not as_imports:
+        if not straight_modules:
+            return []
+
+        above_comments: List[str] = []
+        inline_comments: List[str] = []
+
+        for module in straight_modules:
+            if module in parsed.categorized_comments["above"]["straight"]:
+                above_comments.extend(parsed.categorized_comments["above"]["straight"].pop(module))
+            if module in parsed.categorized_comments["straight"]:
+                inline_comments.extend(parsed.categorized_comments["straight"][module])
+
+        combined_straight_imports = ", ".join(straight_modules)
+        if inline_comments:
+            combined_inline_comments = " ".join(inline_comments)
+        else:
+            combined_inline_comments = ""
+
+        output.extend(above_comments)
+
+        if combined_inline_comments:
+            output.append(
+                f"{import_type} {combined_straight_imports}  # {combined_inline_comments}"
+            )
+        else:
+            output.append(f"{import_type} {combined_straight_imports}")
+
+        return output
+
+    for module in straight_modules:
+        if module in remove_imports:
+            continue
+
+        import_definition = []
+        if module in parsed.as_map["straight"]:
+            if parsed.imports[section]["straight"][module]:
+                import_definition.append((f"{import_type} {module}", module))
+            import_definition.extend(
+                (f"{import_type} {module} as {as_import}", f"{module} as {as_import}")
+                for as_import in parsed.as_map["straight"][module]
+            )
+        else:
+            import_definition.append((f"{import_type} {module}", module))
+
+        comments_above = parsed.categorized_comments["above"]["straight"].pop(module, None)
+        if comments_above:
+            output.extend(comments_above)
+        output.extend(
+            with_comments(
+                parsed.categorized_comments["straight"].get(imodule),
+                idef,
+                removed=config.ignore_comments,
+                comment_prefix=config.comment_prefix,
+            )
+            for idef, imodule in import_definition
+        )
+
+    return output
+
+
+def _output_as_string(lines: List[str], line_separator: str) -> str:
+    return line_separator.join(_normalize_empty_lines(lines))
+
+
+def _normalize_empty_lines(lines: List[str]) -> List[str]:
+    while lines and lines[-1].strip() == "":
+        lines.pop(-1)
+
+    lines.append("")
+    return lines
+
+
+class _LineWithComments(str):
+    comments: List[str]
+
+    def __new__(
+        cls: Type["_LineWithComments"], value: Any, comments: List[str]
+    ) -> "_LineWithComments":
+        instance = super().__new__(cls, value)
+        instance.comments = comments
+        return instance
+
+
+def _ensure_newline_before_comment(output: List[str]) -> List[str]:
+    new_output: List[str] = []
+
+    def is_comment(line: Optional[str]) -> bool:
+        return line.startswith("#") if line else False
+
+    for line, prev_line in zip(output, [None] + output):  # type: ignore
+        if is_comment(line) and prev_line != "" and not is_comment(prev_line):
+            new_output.append("")
+        new_output.append(line)
+    return new_output
+
+
+def _with_star_comments(parsed: parse.ParsedContent, module: str, comments: List[str]) -> List[str]:
+    star_comment = parsed.categorized_comments["nested"].get(module, {}).pop("*", None)
+    if star_comment:
+        return comments + [star_comment]
+    return comments

.venv/lib/python3.8/site-packages/isort/parse.py

@@ -0,0 +1,590 @@
+"""Defines parsing functions used by isort for parsing import definitions"""
+from collections import OrderedDict, defaultdict
+from functools import partial
+from itertools import chain
+from typing import TYPE_CHECKING, Any, Dict, List, NamedTuple, Optional, Tuple
+from warnings import warn
+
+from . import place
+from .comments import parse as parse_comments
+from .exceptions import MissingSection
+from .settings import DEFAULT_CONFIG, Config
+
+if TYPE_CHECKING:
+    from mypy_extensions import TypedDict
+
+    CommentsAboveDict = TypedDict(
+        "CommentsAboveDict", {"straight": Dict[str, Any], "from": Dict[str, Any]}
+    )
+
+    CommentsDict = TypedDict(
+        "CommentsDict",
+        {
+            "from": Dict[str, Any],
+            "straight": Dict[str, Any],
+            "nested": Dict[str, Any],
+            "above": CommentsAboveDict,
+        },
+    )
+
+
+def _infer_line_separator(contents: str) -> str:
+    if "\r\n" in contents:
+        return "\r\n"
+    if "\r" in contents:
+        return "\r"
+    return "\n"
+
+
+def _normalize_line(raw_line: str) -> Tuple[str, str]:
+    """Normalizes import related statements in the provided line.
+
+    Returns (normalized_line: str, raw_line: str)
+    """
+    line = raw_line.replace("from.import ", "from . import ")
+    line = line.replace("from.cimport ", "from . cimport ")
+    line = line.replace("import*", "import *")
+    line = line.replace(" .import ", " . import ")
+    line = line.replace(" .cimport ", " . cimport ")
+    line = line.replace("\t", " ")
+    return (line, raw_line)
+
+
+def import_type(line: str, config: Config = DEFAULT_CONFIG) -> Optional[str]:
+    """If the current line is an import line it will return its type (from or straight)"""
+    if config.honor_noqa and line.lower().rstrip().endswith("noqa"):
+        return None
+    if "isort:skip" in line or "isort: skip" in line or "isort: split" in line:
+        return None
+    if line.startswith(("import ", "cimport ")):
+        return "straight"
+    if line.startswith("from "):
+        return "from"
+    return None
+
+
+def _strip_syntax(import_string: str) -> str:
+    import_string = import_string.replace("_import", "[[i]]")
+    import_string = import_string.replace("_cimport", "[[ci]]")
+    for remove_syntax in ["\\", "(", ")", ","]:
+        import_string = import_string.replace(remove_syntax, " ")
+    import_list = import_string.split()
+    for key in ("from", "import", "cimport"):
+        if key in import_list:
+            import_list.remove(key)
+    import_string = " ".join(import_list)
+    import_string = import_string.replace("[[i]]", "_import")
+    import_string = import_string.replace("[[ci]]", "_cimport")
+    return import_string.replace("{ ", "{|").replace(" }", "|}")
+
+
+def skip_line(
+    line: str,
+    in_quote: str,
+    index: int,
+    section_comments: Tuple[str, ...],
+    needs_import: bool = True,
+) -> Tuple[bool, str]:
+    """Determine if a given line should be skipped.
+
+    Returns back a tuple containing:
+
+    (skip_line: bool,
+     in_quote: str,)
+    """
+    should_skip = bool(in_quote)
+    if '"' in line or "'" in line:
+        char_index = 0
+        while char_index < len(line):
+            if line[char_index] == "\\":
+                char_index += 1
+            elif in_quote:
+                if line[char_index : char_index + len(in_quote)] == in_quote:
+                    in_quote = ""
+            elif line[char_index] in ("'", '"'):
+                long_quote = line[char_index : char_index + 3]
+                if long_quote in ('"""', "'''"):
+                    in_quote = long_quote
+                    char_index += 2
+                else:
+                    in_quote = line[char_index]
+            elif line[char_index] == "#":
+                break
+            char_index += 1
+
+    if ";" in line.split("#")[0] and needs_import:
+        for part in (part.strip() for part in line.split(";")):
+            if (
+                part
+                and not part.startswith("from ")
+                and not part.startswith(("import ", "cimport "))
+            ):
+                should_skip = True
+
+    return (bool(should_skip or in_quote), in_quote)
+
+
+class ParsedContent(NamedTuple):
+    in_lines: List[str]
+    lines_without_imports: List[str]
+    import_index: int
+    place_imports: Dict[str, List[str]]
+    import_placements: Dict[str, str]
+    as_map: Dict[str, Dict[str, List[str]]]
+    imports: Dict[str, Dict[str, Any]]
+    categorized_comments: "CommentsDict"
+    change_count: int
+    original_line_count: int
+    line_separator: str
+    sections: Any
+    verbose_output: List[str]
+
+
+def file_contents(contents: str, config: Config = DEFAULT_CONFIG) -> ParsedContent:
+    """Parses a python file taking out and categorizing imports."""
+    line_separator: str = config.line_ending or _infer_line_separator(contents)
+    in_lines = contents.splitlines()
+    if contents and contents[-1] in ("\n", "\r"):
+        in_lines.append("")
+
+    out_lines = []
+    original_line_count = len(in_lines)
+    if config.old_finders:
+        from .deprecated.finders import FindersManager
+
+        finder = FindersManager(config=config).find
+    else:
+        finder = partial(place.module, config=config)
+
+    line_count = len(in_lines)
+
+    place_imports: Dict[str, List[str]] = {}
+    import_placements: Dict[str, str] = {}
+    as_map: Dict[str, Dict[str, List[str]]] = {
+        "straight": defaultdict(list),
+        "from": defaultdict(list),
+    }
+    imports: OrderedDict[str, Dict[str, Any]] = OrderedDict()
+    verbose_output: List[str] = []
+
+    for section in chain(config.sections, config.forced_separate):
+        imports[section] = {"straight": OrderedDict(), "from": OrderedDict()}
+    categorized_comments: CommentsDict = {
+        "from": {},
+        "straight": {},
+        "nested": {},
+        "above": {"straight": {}, "from": {}},
+    }
+
+    index = 0
+    import_index = -1
+    in_quote = ""
+    while index < line_count:
+        line = in_lines[index]
+        index += 1
+        statement_index = index
+        (skipping_line, in_quote) = skip_line(
+            line, in_quote=in_quote, index=index, section_comments=config.section_comments
+        )
+
+        if (
+            line in config.section_comments or line in config.section_comments_end
+        ) and not skipping_line:
+            if import_index == -1:  # pragma: no branch
+                import_index = index - 1
+            continue
+
+        if "isort:imports-" in line and line.startswith("#"):
+            section = line.split("isort:imports-")[-1].split()[0].upper()
+            place_imports[section] = []
+            import_placements[line] = section
+        elif "isort: imports-" in line and line.startswith("#"):
+            section = line.split("isort: imports-")[-1].split()[0].upper()
+            place_imports[section] = []
+            import_placements[line] = section
+
+        if skipping_line:
+            out_lines.append(line)
+            continue
+
+        lstripped_line = line.lstrip()
+        if (
+            config.float_to_top
+            and import_index == -1
+            and line
+            and not in_quote
+            and not lstripped_line.startswith("#")
+            and not lstripped_line.startswith("'''")
+            and not lstripped_line.startswith('"""')
+        ):
+            if not lstripped_line.startswith("import") and not lstripped_line.startswith("from"):
+                import_index = index - 1
+                while import_index and not in_lines[import_index - 1]:
+                    import_index -= 1
+            else:
+                commentless = line.split("#", 1)[0].strip()
+                if (
+                    ("isort:skip" in line or "isort: skip" in line)
+                    and "(" in commentless
+                    and ")" not in commentless
+                ):
+                    import_index = index
+
+                    starting_line = line
+                    while "isort:skip" in starting_line or "isort: skip" in starting_line:
+                        commentless = starting_line.split("#", 1)[0]
+                        if (
+                            "(" in commentless
+                            and not commentless.rstrip().endswith(")")
+                            and import_index < line_count
+                        ):
+
+                            while import_index < line_count and not commentless.rstrip().endswith(
+                                ")"
+                            ):
+                                commentless = in_lines[import_index].split("#", 1)[0]
+                                import_index += 1
+                        else:
+                            import_index += 1
+
+                        if import_index >= line_count:
+                            break
+
+                        starting_line = in_lines[import_index]
+
+        line, *end_of_line_comment = line.split("#", 1)
+        if ";" in line:
+            statements = [line.strip() for line in line.split(";")]
+        else:
+            statements = [line]
+        if end_of_line_comment:
+            statements[-1] = f"{statements[-1]}#{end_of_line_comment[0]}"
+
+        for statement in statements:
+            line, raw_line = _normalize_line(statement)
+            type_of_import = import_type(line, config) or ""
+            raw_lines = [raw_line]
+            if not type_of_import:
+                out_lines.append(raw_line)
+                continue
+
+            if import_index == -1:
+                import_index = index - 1
+            nested_comments = {}
+            import_string, comment = parse_comments(line)
+            comments = [comment] if comment else []
+            line_parts = [part for part in _strip_syntax(import_string).strip().split(" ") if part]
+            if type_of_import == "from" and len(line_parts) == 2 and comments:
+                nested_comments[line_parts[-1]] = comments[0]
+
+            if "(" in line.split("#", 1)[0] and index < line_count:
+                while not line.split("#")[0].strip().endswith(")") and index < line_count:
+                    line, new_comment = parse_comments(in_lines[index])
+                    index += 1
+                    if new_comment:
+                        comments.append(new_comment)
+                    stripped_line = _strip_syntax(line).strip()
+                    if (
+                        type_of_import == "from"
+                        and stripped_line
+                        and " " not in stripped_line.replace(" as ", "")
+                        and new_comment
+                    ):
+                        nested_comments[stripped_line] = comments[-1]
+                    import_string += line_separator + line
+                    raw_lines.append(line)
+            else:
+                while line.strip().endswith("\\"):
+                    line, new_comment = parse_comments(in_lines[index])
+                    line = line.lstrip()
+                    index += 1
+                    if new_comment:
+                        comments.append(new_comment)
+
+                    # Still need to check for parentheses after an escaped line
+                    if (
+                        "(" in line.split("#")[0]
+                        and ")" not in line.split("#")[0]
+                        and index < line_count
+                    ):
+                        stripped_line = _strip_syntax(line).strip()
+                        if (
+                            type_of_import == "from"
+                            and stripped_line
+                            and " " not in stripped_line.replace(" as ", "")
+                            and new_comment
+                        ):
+                            nested_comments[stripped_line] = comments[-1]
+                        import_string += line_separator + line
+                        raw_lines.append(line)
+
+                        while not line.split("#")[0].strip().endswith(")") and index < line_count:
+                            line, new_comment = parse_comments(in_lines[index])
+                            index += 1
+                            if new_comment:
+                                comments.append(new_comment)
+                            stripped_line = _strip_syntax(line).strip()
+                            if (
+                                type_of_import == "from"
+                                and stripped_line
+                                and " " not in stripped_line.replace(" as ", "")
+                                and new_comment
+                            ):
+                                nested_comments[stripped_line] = comments[-1]
+                            import_string += line_separator + line
+                            raw_lines.append(line)
+
+                    stripped_line = _strip_syntax(line).strip()
+                    if (
+                        type_of_import == "from"
+                        and stripped_line
+                        and " " not in stripped_line.replace(" as ", "")
+                        and new_comment
+                    ):
+                        nested_comments[stripped_line] = comments[-1]
+                    if import_string.strip().endswith(
+                        (" import", " cimport")
+                    ) or line.strip().startswith(("import ", "cimport ")):
+                        import_string += line_separator + line
+                    else:
+                        import_string = import_string.rstrip().rstrip("\\") + " " + line.lstrip()
+
+            if type_of_import == "from":
+                cimports: bool
+                import_string = (
+                    import_string.replace("import(", "import (")
+                    .replace("\\", " ")
+                    .replace("\n", " ")
+                )
+                if "import " not in import_string:
+                    out_lines.extend(raw_lines)
+                    continue
+
+                if " cimport " in import_string:
+                    parts = import_string.split(" cimport ")
+                    cimports = True
+
+                else:
+                    parts = import_string.split(" import ")
+                    cimports = False
+
+                from_import = parts[0].split(" ")
+                import_string = (" cimport " if cimports else " import ").join(
+                    [from_import[0] + " " + "".join(from_import[1:])] + parts[1:]
+                )
+
+            just_imports = [
+                item.replace("{|", "{ ").replace("|}", " }")
+                for item in _strip_syntax(import_string).split()
+            ]
+
+            attach_comments_to: Optional[List[Any]] = None
+            direct_imports = just_imports[1:]
+            straight_import = True
+            top_level_module = ""
+            if "as" in just_imports and (just_imports.index("as") + 1) < len(just_imports):
+                straight_import = False
+                while "as" in just_imports:
+                    nested_module = None
+                    as_index = just_imports.index("as")
+                    if type_of_import == "from":
+                        nested_module = just_imports[as_index - 1]
+                        top_level_module = just_imports[0]
+                        module = top_level_module + "." + nested_module
+                        as_name = just_imports[as_index + 1]
+                        direct_imports.remove(nested_module)
+                        direct_imports.remove(as_name)
+                        direct_imports.remove("as")
+                        if nested_module == as_name and config.remove_redundant_aliases:
+                            pass
+                        elif as_name not in as_map["from"][module]:  # pragma: no branch
+                            as_map["from"][module].append(as_name)
+
+                        full_name = f"{nested_module} as {as_name}"
+                        associated_comment = nested_comments.get(full_name)
+                        if associated_comment:
+                            categorized_comments["nested"].setdefault(top_level_module, {})[
+                                full_name
+                            ] = associated_comment
+                            if associated_comment in comments:  # pragma: no branch
+                                comments.pop(comments.index(associated_comment))
+                    else:
+                        module = just_imports[as_index - 1]
+                        as_name = just_imports[as_index + 1]
+                        if module == as_name and config.remove_redundant_aliases:
+                            pass
+                        elif as_name not in as_map["straight"][module]:
+                            as_map["straight"][module].append(as_name)
+
+                    if comments and attach_comments_to is None:
+                        if nested_module and config.combine_as_imports:
+                            attach_comments_to = categorized_comments["from"].setdefault(
+                                f"{top_level_module}.__combined_as__", []
+                            )
+                        else:
+                            if type_of_import == "from" or (
+                                config.remove_redundant_aliases and as_name == module.split(".")[-1]
+                            ):
+                                attach_comments_to = categorized_comments["straight"].setdefault(
+                                    module, []
+                                )
+                            else:
+                                attach_comments_to = categorized_comments["straight"].setdefault(
+                                    f"{module} as {as_name}", []
+                                )
+                    del just_imports[as_index : as_index + 2]
+
+            if type_of_import == "from":
+                import_from = just_imports.pop(0)
+                placed_module = finder(import_from)
+                if config.verbose and not config.only_modified:
+                    print(f"from-type place_module for {import_from} returned {placed_module}")
+
+                elif config.verbose:
+                    verbose_output.append(
+                        f"from-type place_module for {import_from} returned {placed_module}"
+                    )
+                if placed_module == "":
+                    warn(
+                        f"could not place module {import_from} of line {line} --"
+                        " Do you need to define a default section?"
+                    )
+
+                if placed_module and placed_module not in imports:
+                    raise MissingSection(import_module=import_from, section=placed_module)
+
+                root = imports[placed_module][type_of_import]  # type: ignore
+                for import_name in just_imports:
+                    associated_comment = nested_comments.get(import_name)
+                    if associated_comment:
+                        categorized_comments["nested"].setdefault(import_from, {})[
+                            import_name
+                        ] = associated_comment
+                        if associated_comment in comments:  # pragma: no branch
+                            comments.pop(comments.index(associated_comment))
+                if (
+                    config.force_single_line
+                    and comments
+                    and attach_comments_to is None
+                    and len(just_imports) == 1
+                ):
+                    nested_from_comments = categorized_comments["nested"].setdefault(
+                        import_from, {}
+                    )
+                    existing_comment = nested_from_comments.get(just_imports[0], "")
+                    nested_from_comments[
+                        just_imports[0]
+                    ] = f"{existing_comment}{'; ' if existing_comment else ''}{'; '.join(comments)}"
+                    comments = []
+
+                if comments and attach_comments_to is None:
+                    attach_comments_to = categorized_comments["from"].setdefault(import_from, [])
+
+                if len(out_lines) > max(import_index, 1) - 1:
+                    last = out_lines[-1].rstrip() if out_lines else ""
+                    while (
+                        last.startswith("#")
+                        and not last.endswith('"""')
+                        and not last.endswith("'''")
+                        and "isort:imports-" not in last
+                        and "isort: imports-" not in last
+                        and not config.treat_all_comments_as_code
+                        and not last.strip() in config.treat_comments_as_code
+                    ):
+                        categorized_comments["above"]["from"].setdefault(import_from, []).insert(
+                            0, out_lines.pop(-1)
+                        )
+                        if out_lines:
+                            last = out_lines[-1].rstrip()
+                        else:
+                            last = ""
+                    if statement_index - 1 == import_index:  # pragma: no cover
+                        import_index -= len(
+                            categorized_comments["above"]["from"].get(import_from, [])
+                        )
+
+                if import_from not in root:
+                    root[import_from] = OrderedDict(
+                        (module, module in direct_imports) for module in just_imports
+                    )
+                else:
+                    root[import_from].update(
+                        (module, root[import_from].get(module, False) or module in direct_imports)
+                        for module in just_imports
+                    )
+
+                if comments and attach_comments_to is not None:
+                    attach_comments_to.extend(comments)
+            else:
+                if comments and attach_comments_to is not None:
+                    attach_comments_to.extend(comments)
+                    comments = []
+
+                for module in just_imports:
+                    if comments:
+                        categorized_comments["straight"][module] = comments
+                        comments = []
+
+                    if len(out_lines) > max(import_index, +1, 1) - 1:
+
+                        last = out_lines[-1].rstrip() if out_lines else ""
+                        while (
+                            last.startswith("#")
+                            and not last.endswith('"""')
+                            and not last.endswith("'''")
+                            and "isort:imports-" not in last
+                            and "isort: imports-" not in last
+                            and not config.treat_all_comments_as_code
+                            and not last.strip() in config.treat_comments_as_code
+                        ):
+                            categorized_comments["above"]["straight"].setdefault(module, []).insert(
+                                0, out_lines.pop(-1)
+                            )
+                            if out_lines:
+                                last = out_lines[-1].rstrip()
+                            else:
+                                last = ""
+                        if index - 1 == import_index:
+                            import_index -= len(
+                                categorized_comments["above"]["straight"].get(module, [])
+                            )
+                    placed_module = finder(module)
+                    if config.verbose and not config.only_modified:
+                        print(f"else-type place_module for {module} returned {placed_module}")
+
+                    elif config.verbose:
+                        verbose_output.append(
+                            f"else-type place_module for {module} returned {placed_module}"
+                        )
+                    if placed_module == "":
+                        warn(
+                            f"could not place module {module} of line {line} --"
+                            " Do you need to define a default section?"
+                        )
+                        imports.setdefault("", {"straight": OrderedDict(), "from": OrderedDict()})
+
+                    if placed_module and placed_module not in imports:
+                        raise MissingSection(import_module=module, section=placed_module)
+
+                    straight_import |= imports[placed_module][type_of_import].get(  # type: ignore
+                        module, False
+                    )
+                    imports[placed_module][type_of_import][module] = straight_import  # type: ignore
+
+    change_count = len(out_lines) - original_line_count
+
+    return ParsedContent(
+        in_lines=in_lines,
+        lines_without_imports=out_lines,
+        import_index=import_index,
+        place_imports=place_imports,
+        import_placements=import_placements,
+        as_map=as_map,
+        imports=imports,
+        categorized_comments=categorized_comments,
+        change_count=change_count,
+        original_line_count=original_line_count,
+        line_separator=line_separator,
+        sections=config.sections,
+        verbose_output=verbose_output,
+    )

.venv/lib/python3.8/site-packages/isort/place.py

@@ -0,0 +1,145 @@
+"""Contains all logic related to placing an import within a certain section."""
+import importlib
+from fnmatch import fnmatch
+from functools import lru_cache
+from pathlib import Path
+from typing import FrozenSet, Iterable, Optional, Tuple
+
+from isort import sections
+from isort.settings import DEFAULT_CONFIG, Config
+from isort.utils import exists_case_sensitive
+
+LOCAL = "LOCALFOLDER"
+
+
+def module(name: str, config: Config = DEFAULT_CONFIG) -> str:
+    """Returns the section placement for the given module name."""
+    return module_with_reason(name, config)[0]
+
+
+@lru_cache(maxsize=1000)
+def module_with_reason(name: str, config: Config = DEFAULT_CONFIG) -> Tuple[str, str]:
+    """Returns the section placement for the given module name alongside the reasoning."""
+    return (
+        _forced_separate(name, config)
+        or _local(name, config)
+        or _known_pattern(name, config)
+        or _src_path(name, config)
+        or (config.default_section, "Default option in Config or universal default.")
+    )
+
+
+def _forced_separate(name: str, config: Config) -> Optional[Tuple[str, str]]:
+    for forced_separate in config.forced_separate:
+        # Ensure all forced_separate patterns will match to end of string
+        path_glob = forced_separate
+        if not forced_separate.endswith("*"):
+            path_glob = "%s*" % forced_separate
+
+        if fnmatch(name, path_glob) or fnmatch(name, "." + path_glob):
+            return (forced_separate, f"Matched forced_separate ({forced_separate}) config value.")
+
+    return None
+
+
+def _local(name: str, config: Config) -> Optional[Tuple[str, str]]:
+    if name.startswith("."):
+        return (LOCAL, "Module name started with a dot.")
+
+    return None
+
+
+def _known_pattern(name: str, config: Config) -> Optional[Tuple[str, str]]:
+    parts = name.split(".")
+    module_names_to_check = (".".join(parts[:first_k]) for first_k in range(len(parts), 0, -1))
+    for module_name_to_check in module_names_to_check:
+        for pattern, placement in config.known_patterns:
+            if placement in config.sections and pattern.match(module_name_to_check):
+                return (placement, f"Matched configured known pattern {pattern}")
+
+    return None
+
+
+def _src_path(
+    name: str,
+    config: Config,
+    src_paths: Optional[Iterable[Path]] = None,
+    prefix: Tuple[str, ...] = (),
+) -> Optional[Tuple[str, str]]:
+    if src_paths is None:
+        src_paths = config.src_paths
+
+    root_module_name, *nested_module = name.split(".", 1)
+    new_prefix = prefix + (root_module_name,)
+    namespace = ".".join(new_prefix)
+
+    for src_path in src_paths:
+        module_path = (src_path / root_module_name).resolve()
+        if not prefix and not module_path.is_dir() and src_path.name == root_module_name:
+            module_path = src_path.resolve()
+        if nested_module and (
+            namespace in config.namespace_packages
+            or (
+                config.auto_identify_namespace_packages
+                and _is_namespace_package(module_path, config.supported_extensions)
+            )
+        ):
+            return _src_path(nested_module[0], config, (module_path,), new_prefix)
+        if (
+            _is_module(module_path)
+            or _is_package(module_path)
+            or _src_path_is_module(src_path, root_module_name)
+        ):
+            return (sections.FIRSTPARTY, f"Found in one of the configured src_paths: {src_path}.")
+
+    return None
+
+
+def _is_module(path: Path) -> bool:
+    return (
+        exists_case_sensitive(str(path.with_suffix(".py")))
+        or any(
+            exists_case_sensitive(str(path.with_suffix(ext_suffix)))
+            for ext_suffix in importlib.machinery.EXTENSION_SUFFIXES
+        )
+        or exists_case_sensitive(str(path / "__init__.py"))
+    )
+
+
+def _is_package(path: Path) -> bool:
+    return exists_case_sensitive(str(path)) and path.is_dir()
+
+
+def _is_namespace_package(path: Path, src_extensions: FrozenSet[str]) -> bool:
+    if not _is_package(path):
+        return False
+
+    init_file = path / "__init__.py"
+    if not init_file.exists():
+        filenames = [
+            filepath
+            for filepath in path.iterdir()
+            if filepath.suffix.lstrip(".") in src_extensions
+            or filepath.name.lower() in ("setup.cfg", "pyproject.toml")
+        ]
+        if filenames:
+            return False
+    else:
+        with init_file.open("rb") as open_init_file:
+            file_start = open_init_file.read(4096)
+            if (
+                b"__import__('pkg_resources').declare_namespace(__name__)" not in file_start
+                and b'__import__("pkg_resources").declare_namespace(__name__)' not in file_start
+                and b"__path__ = __import__('pkgutil').extend_path(__path__, __name__)"
+                not in file_start
+                and b'__path__ = __import__("pkgutil").extend_path(__path__, __name__)'
+                not in file_start
+            ):
+                return False
+    return True
+
+
+def _src_path_is_module(src_path: Path, module_name: str) -> bool:
+    return (
+        module_name == src_path.name and src_path.is_dir() and exists_case_sensitive(str(src_path))
+    )

.venv/lib/python3.8/site-packages/isort/profiles.py

@@ -0,0 +1,86 @@
+"""Common profiles are defined here to be easily used within a project using --profile {name}"""
+from typing import Any, Dict
+
+black = {
+    "multi_line_output": 3,
+    "include_trailing_comma": True,
+    "force_grid_wrap": 0,
+    "use_parentheses": True,
+    "ensure_newline_before_comments": True,
+    "line_length": 88,
+}
+django = {
+    "combine_as_imports": True,
+    "include_trailing_comma": True,
+    "multi_line_output": 5,
+    "line_length": 79,
+}
+pycharm = {
+    "multi_line_output": 3,
+    "force_grid_wrap": 2,
+    "lines_after_imports": 2,
+}
+google = {
+    "force_single_line": True,
+    "force_sort_within_sections": True,
+    "lexicographical": True,
+    "single_line_exclusions": ("typing",),
+    "order_by_type": False,
+    "group_by_package": True,
+}
+open_stack = {
+    "force_single_line": True,
+    "force_sort_within_sections": True,
+    "lexicographical": True,
+}
+plone = {
+    "force_alphabetical_sort": True,
+    "force_single_line": True,
+    "lines_after_imports": 2,
+    "line_length": 200,
+}
+attrs = {
+    "atomic": True,
+    "force_grid_wrap": 0,
+    "include_trailing_comma": True,
+    "lines_after_imports": 2,
+    "lines_between_types": 1,
+    "multi_line_output": 3,
+    "use_parentheses": True,
+}
+hug = {
+    "multi_line_output": 3,
+    "include_trailing_comma": True,
+    "force_grid_wrap": 0,
+    "use_parentheses": True,
+    "line_length": 100,
+}
+wemake = {
+    "multi_line_output": 3,
+    "include_trailing_comma": True,
+    "use_parentheses": True,
+    "line_length": 80,
+}
+appnexus = {
+    **black,
+    "force_sort_within_sections": True,
+    "order_by_type": False,
+    "case_sensitive": False,
+    "reverse_relative": True,
+    "sort_relative_in_force_sorted_sections": True,
+    "sections": ["FUTURE", "STDLIB", "THIRDPARTY", "FIRSTPARTY", "APPLICATION", "LOCALFOLDER"],
+    "no_lines_before": "LOCALFOLDER",
+}
+
+profiles: Dict[str, Dict[str, Any]] = {
+    "black": black,
+    "django": django,
+    "pycharm": pycharm,
+    "google": google,
+    "open_stack": open_stack,
+    "plone": plone,
+    "attrs": attrs,
+    "hug": hug,
+    "wemake": wemake,
+    "appnexus": appnexus,
+}

.venv/lib/python3.8/site-packages/isort/pylama_isort.py

@@ -0,0 +1,45 @@
+import os
+import sys
+from contextlib import contextmanager
+from typing import Any, Dict, Iterator, List, Optional
+
+from pylama.lint import Linter as BaseLinter  # type: ignore
+
+from isort.exceptions import FileSkipped
+
+from . import api
+
+
+@contextmanager
+def suppress_stdout() -> Iterator[None]:
+    stdout = sys.stdout
+    with open(os.devnull, "w") as devnull:
+        sys.stdout = devnull
+        yield
+        sys.stdout = stdout
+
+
+class Linter(BaseLinter):  # type: ignore
+    def allow(self, path: str) -> bool:
+        """Determine if this path should be linted."""
+        return path.endswith(".py")
+
+    def run(
+        self, path: str, params: Optional[Dict[str, Any]] = None, **meta: Any
+    ) -> List[Dict[str, Any]]:
+        """Lint the file. Return an array of error dicts if appropriate."""
+        with suppress_stdout():
+            try:
+                if not api.check_file(path, disregard_skip=False, **params or {}):
+                    return [
+                        {
+                            "lnum": 0,
+                            "col": 0,
+                            "text": "Incorrectly sorted imports.",
+                            "type": "ISORT",
+                        }
+                    ]
+            except FileSkipped:
+                pass
+
+            return []

.venv/lib/python3.8/site-packages/isort/sections.py

@@ -0,0 +1,9 @@
+"""Defines all sections isort uses by default"""
+from typing import Tuple
+
+FUTURE: str = "FUTURE"
+STDLIB: str = "STDLIB"
+THIRDPARTY: str = "THIRDPARTY"
+FIRSTPARTY: str = "FIRSTPARTY"
+LOCALFOLDER: str = "LOCALFOLDER"
+DEFAULT: Tuple[str, ...] = (FUTURE, STDLIB, THIRDPARTY, FIRSTPARTY, LOCALFOLDER)

.venv/lib/python3.8/site-packages/isort/settings.py

@@ -0,0 +1,925 @@
+"""isort/settings.py.
+
+Defines how the default settings for isort should be loaded
+"""
+import configparser
+import fnmatch
+import os
+import posixpath
+import re
+import stat
+import subprocess  # nosec: Needed for gitignore support.
+import sys
+from functools import lru_cache
+from pathlib import Path
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    FrozenSet,
+    Iterable,
+    List,
+    Optional,
+    Pattern,
+    Set,
+    Tuple,
+    Type,
+    Union,
+)
+from warnings import warn
+
+from . import sorting, stdlibs
+from ._future import dataclass, field
+from .exceptions import (
+    FormattingPluginDoesNotExist,
+    InvalidSettingsPath,
+    ProfileDoesNotExist,
+    SortingFunctionDoesNotExist,
+    UnsupportedSettings,
+)
+from .profiles import profiles
+from .sections import DEFAULT as SECTION_DEFAULTS
+from .sections import FIRSTPARTY, FUTURE, LOCALFOLDER, STDLIB, THIRDPARTY
+from .utils import Trie
+from .wrap_modes import WrapModes
+from .wrap_modes import from_string as wrap_mode_from_string
+
+if TYPE_CHECKING:
+    tomli: Any
+else:
+    from ._vendored import tomli
+
+_SHEBANG_RE = re.compile(br"^#!.*\bpython[23w]?\b")
+CYTHON_EXTENSIONS = frozenset({"pyx", "pxd"})
+SUPPORTED_EXTENSIONS = frozenset({"py", "pyi", *CYTHON_EXTENSIONS})
+BLOCKED_EXTENSIONS = frozenset({"pex"})
+FILE_SKIP_COMMENTS: Tuple[str, ...] = (
+    "isort:" + "skip_file",
+    "isort: " + "skip_file",
+)  # Concatenated to avoid this file being skipped
+MAX_CONFIG_SEARCH_DEPTH: int = 25  # The number of parent directories to for a config file within
+STOP_CONFIG_SEARCH_ON_DIRS: Tuple[str, ...] = (".git", ".hg")
+VALID_PY_TARGETS: Tuple[str, ...] = tuple(
+    target.replace("py", "") for target in dir(stdlibs) if not target.startswith("_")
+)
+CONFIG_SOURCES: Tuple[str, ...] = (
+    ".isort.cfg",
+    "pyproject.toml",
+    "setup.cfg",
+    "tox.ini",
+    ".editorconfig",
+)
+DEFAULT_SKIP: FrozenSet[str] = frozenset(
+    {
+        ".venv",
+        "venv",
+        ".tox",
+        ".eggs",
+        ".git",
+        ".hg",
+        ".mypy_cache",
+        ".nox",
+        ".svn",
+        ".bzr",
+        "_build",
+        "buck-out",
+        "build",
+        "dist",
+        ".pants.d",
+        ".direnv",
+        "node_modules",
+        "__pypackages__",
+    }
+)
+
+CONFIG_SECTIONS: Dict[str, Tuple[str, ...]] = {
+    ".isort.cfg": ("settings", "isort"),
+    "pyproject.toml": ("tool.isort",),
+    "setup.cfg": ("isort", "tool:isort"),
+    "tox.ini": ("isort", "tool:isort"),
+    ".editorconfig": ("*", "*.py", "**.py", "*.{py}"),
+}
+FALLBACK_CONFIG_SECTIONS: Tuple[str, ...] = ("isort", "tool:isort", "tool.isort")
+
+IMPORT_HEADING_PREFIX = "import_heading_"
+IMPORT_FOOTER_PREFIX = "import_footer_"
+KNOWN_PREFIX = "known_"
+KNOWN_SECTION_MAPPING: Dict[str, str] = {
+    STDLIB: "STANDARD_LIBRARY",
+    FUTURE: "FUTURE_LIBRARY",
+    FIRSTPARTY: "FIRST_PARTY",
+    THIRDPARTY: "THIRD_PARTY",
+    LOCALFOLDER: "LOCAL_FOLDER",
+}
+
+RUNTIME_SOURCE = "runtime"
+
+DEPRECATED_SETTINGS = ("not_skip", "keep_direct_and_as_imports")
+
+_STR_BOOLEAN_MAPPING = {
+    "y": True,
+    "yes": True,
+    "t": True,
+    "on": True,
+    "1": True,
+    "true": True,
+    "n": False,
+    "no": False,
+    "f": False,
+    "off": False,
+    "0": False,
+    "false": False,
+}
+
+
+@dataclass(frozen=True)
+class _Config:
+    """Defines the data schema and defaults used for isort configuration.
+
+    NOTE: known lists, such as known_standard_library, are intentionally not complete as they are
+    dynamically determined later on.
+    """
+
+    py_version: str = "3"
+    force_to_top: FrozenSet[str] = frozenset()
+    skip: FrozenSet[str] = DEFAULT_SKIP
+    extend_skip: FrozenSet[str] = frozenset()
+    skip_glob: FrozenSet[str] = frozenset()
+    extend_skip_glob: FrozenSet[str] = frozenset()
+    skip_gitignore: bool = False
+    line_length: int = 79
+    wrap_length: int = 0
+    line_ending: str = ""
+    sections: Tuple[str, ...] = SECTION_DEFAULTS
+    no_sections: bool = False
+    known_future_library: FrozenSet[str] = frozenset(("__future__",))
+    known_third_party: FrozenSet[str] = frozenset()
+    known_first_party: FrozenSet[str] = frozenset()
+    known_local_folder: FrozenSet[str] = frozenset()
+    known_standard_library: FrozenSet[str] = frozenset()
+    extra_standard_library: FrozenSet[str] = frozenset()
+    known_other: Dict[str, FrozenSet[str]] = field(default_factory=dict)
+    multi_line_output: WrapModes = WrapModes.GRID  # type: ignore
+    forced_separate: Tuple[str, ...] = ()
+    indent: str = " " * 4
+    comment_prefix: str = "  #"
+    length_sort: bool = False
+    length_sort_straight: bool = False
+    length_sort_sections: FrozenSet[str] = frozenset()
+    add_imports: FrozenSet[str] = frozenset()
+    remove_imports: FrozenSet[str] = frozenset()
+    append_only: bool = False
+    reverse_relative: bool = False
+    force_single_line: bool = False
+    single_line_exclusions: Tuple[str, ...] = ()
+    default_section: str = THIRDPARTY
+    import_headings: Dict[str, str] = field(default_factory=dict)
+    import_footers: Dict[str, str] = field(default_factory=dict)
+    balanced_wrapping: bool = False
+    use_parentheses: bool = False
+    order_by_type: bool = True
+    atomic: bool = False
+    lines_before_imports: int = -1
+    lines_after_imports: int = -1
+    lines_between_sections: int = 1
+    lines_between_types: int = 0
+    combine_as_imports: bool = False
+    combine_star: bool = False
+    include_trailing_comma: bool = False
+    from_first: bool = False
+    verbose: bool = False
+    quiet: bool = False
+    force_adds: bool = False
+    force_alphabetical_sort_within_sections: bool = False
+    force_alphabetical_sort: bool = False
+    force_grid_wrap: int = 0
+    force_sort_within_sections: bool = False
+    lexicographical: bool = False
+    group_by_package: bool = False
+    ignore_whitespace: bool = False
+    no_lines_before: FrozenSet[str] = frozenset()
+    no_inline_sort: bool = False
+    ignore_comments: bool = False
+    case_sensitive: bool = False
+    sources: Tuple[Dict[str, Any], ...] = ()
+    virtual_env: str = ""
+    conda_env: str = ""
+    ensure_newline_before_comments: bool = False
+    directory: str = ""
+    profile: str = ""
+    honor_noqa: bool = False
+    src_paths: Tuple[Path, ...] = ()
+    old_finders: bool = False
+    remove_redundant_aliases: bool = False
+    float_to_top: bool = False
+    filter_files: bool = False
+    formatter: str = ""
+    formatting_function: Optional[Callable[[str, str, object], str]] = None
+    color_output: bool = False
+    treat_comments_as_code: FrozenSet[str] = frozenset()
+    treat_all_comments_as_code: bool = False
+    supported_extensions: FrozenSet[str] = SUPPORTED_EXTENSIONS
+    blocked_extensions: FrozenSet[str] = BLOCKED_EXTENSIONS
+    constants: FrozenSet[str] = frozenset()
+    classes: FrozenSet[str] = frozenset()
+    variables: FrozenSet[str] = frozenset()
+    dedup_headings: bool = False
+    only_sections: bool = False
+    only_modified: bool = False
+    combine_straight_imports: bool = False
+    auto_identify_namespace_packages: bool = True
+    namespace_packages: FrozenSet[str] = frozenset()
+    follow_links: bool = True
+    indented_import_headings: bool = True
+    honor_case_in_force_sorted_sections: bool = False
+    sort_relative_in_force_sorted_sections: bool = False
+    overwrite_in_place: bool = False
+    reverse_sort: bool = False
+    star_first: bool = False
+    import_dependencies = Dict[str, str]
+    git_ignore: Dict[Path, Set[Path]] = field(default_factory=dict)
+    format_error: str = "{error}: {message}"
+    format_success: str = "{success}: {message}"
+    sort_order: str = "natural"
+
+    def __post_init__(self) -> None:
+        py_version = self.py_version
+        if py_version == "auto":  # pragma: no cover
+            if sys.version_info.major == 2 and sys.version_info.minor <= 6:
+                py_version = "2"
+            elif sys.version_info.major == 3 and (
+                sys.version_info.minor <= 5 or sys.version_info.minor >= 10
+            ):
+                py_version = "3"
+            else:
+                py_version = f"{sys.version_info.major}{sys.version_info.minor}"
+
+        if py_version not in VALID_PY_TARGETS:
+            raise ValueError(
+                f"The python version {py_version} is not supported. "
+                "You can set a python version with the -py or --python-version flag. "
+                f"The following versions are supported: {VALID_PY_TARGETS}"
+            )
+
+        if py_version != "all":
+            object.__setattr__(self, "py_version", f"py{py_version}")
+
+        if not self.known_standard_library:
+            object.__setattr__(
+                self, "known_standard_library", frozenset(getattr(stdlibs, self.py_version).stdlib)
+            )
+
+        if self.multi_line_output == WrapModes.VERTICAL_GRID_GROUPED_NO_COMMA:  # type: ignore
+            vertical_grid_grouped = WrapModes.VERTICAL_GRID_GROUPED  # type: ignore
+            object.__setattr__(self, "multi_line_output", vertical_grid_grouped)
+        if self.force_alphabetical_sort:
+            object.__setattr__(self, "force_alphabetical_sort_within_sections", True)
+            object.__setattr__(self, "no_sections", True)
+            object.__setattr__(self, "lines_between_types", 1)
+            object.__setattr__(self, "from_first", True)
+        if self.wrap_length > self.line_length:
+            raise ValueError(
+                "wrap_length must be set lower than or equal to line_length: "
+                f"{self.wrap_length} > {self.line_length}."
+            )
+
+    def __hash__(self) -> int:
+        return id(self)
+
+
+_DEFAULT_SETTINGS = {**vars(_Config()), "source": "defaults"}
+
+
+class Config(_Config):
+    def __init__(
+        self,
+        settings_file: str = "",
+        settings_path: str = "",
+        config: Optional[_Config] = None,
+        **config_overrides: Any,
+    ):
+        self._known_patterns: Optional[List[Tuple[Pattern[str], str]]] = None
+        self._section_comments: Optional[Tuple[str, ...]] = None
+        self._section_comments_end: Optional[Tuple[str, ...]] = None
+        self._skips: Optional[FrozenSet[str]] = None
+        self._skip_globs: Optional[FrozenSet[str]] = None
+        self._sorting_function: Optional[Callable[..., List[str]]] = None
+
+        if config:
+            config_vars = vars(config).copy()
+            config_vars.update(config_overrides)
+            config_vars["py_version"] = config_vars["py_version"].replace("py", "")
+            config_vars.pop("_known_patterns")
+            config_vars.pop("_section_comments")
+            config_vars.pop("_section_comments_end")
+            config_vars.pop("_skips")
+            config_vars.pop("_skip_globs")
+            config_vars.pop("_sorting_function")
+            super().__init__(**config_vars)  # type: ignore
+            return
+
+        # We can't use self.quiet to conditionally show warnings before super.__init__() is called
+        # at the end of this method. _Config is also frozen so setting self.quiet isn't possible.
+        # Therefore we extract quiet early here in a variable and use that in warning conditions.
+        quiet = config_overrides.get("quiet", False)
+
+        sources: List[Dict[str, Any]] = [_DEFAULT_SETTINGS]
+
+        config_settings: Dict[str, Any]
+        project_root: str
+        if settings_file:
+            config_settings = _get_config_data(
+                settings_file,
+                CONFIG_SECTIONS.get(os.path.basename(settings_file), FALLBACK_CONFIG_SECTIONS),
+            )
+            project_root = os.path.dirname(settings_file)
+            if not config_settings and not quiet:
+                warn(
+                    f"A custom settings file was specified: {settings_file} but no configuration "
+                    "was found inside. This can happen when [settings] is used as the config "
+                    "header instead of [isort]. "
+                    "See: https://pycqa.github.io/isort/docs/configuration/config_files"
+                    "/#custom_config_files for more information."
+                )
+        elif settings_path:
+            if not os.path.exists(settings_path):
+                raise InvalidSettingsPath(settings_path)
+
+            settings_path = os.path.abspath(settings_path)
+            project_root, config_settings = _find_config(settings_path)
+        else:
+            config_settings = {}
+            project_root = os.getcwd()
+
+        profile_name = config_overrides.get("profile", config_settings.get("profile", ""))
+        profile: Dict[str, Any] = {}
+        if profile_name:
+            if profile_name not in profiles:
+                import pkg_resources
+
+                for plugin in pkg_resources.iter_entry_points("isort.profiles"):
+                    profiles.setdefault(plugin.name, plugin.load())
+
+            if profile_name not in profiles:
+                raise ProfileDoesNotExist(profile_name)
+
+            profile = profiles[profile_name].copy()
+            profile["source"] = f"{profile_name} profile"
+            sources.append(profile)
+
+        if config_settings:
+            sources.append(config_settings)
+        if config_overrides:
+            config_overrides["source"] = RUNTIME_SOURCE
+            sources.append(config_overrides)
+
+        combined_config = {**profile, **config_settings, **config_overrides}
+        if "indent" in combined_config:
+            indent = str(combined_config["indent"])
+            if indent.isdigit():
+                indent = " " * int(indent)
+            else:
+                indent = indent.strip("'").strip('"')
+                if indent.lower() == "tab":
+                    indent = "\t"
+            combined_config["indent"] = indent
+
+        known_other = {}
+        import_headings = {}
+        import_footers = {}
+        for key, value in tuple(combined_config.items()):
+            # Collect all known sections beyond those that have direct entries
+            if key.startswith(KNOWN_PREFIX) and key not in (
+                "known_standard_library",
+                "known_future_library",
+                "known_third_party",
+                "known_first_party",
+                "known_local_folder",
+            ):
+                import_heading = key[len(KNOWN_PREFIX) :].lower()
+                maps_to_section = import_heading.upper()
+                combined_config.pop(key)
+                if maps_to_section in KNOWN_SECTION_MAPPING:
+                    section_name = f"known_{KNOWN_SECTION_MAPPING[maps_to_section].lower()}"
+                    if section_name in combined_config and not quiet:
+                        warn(
+                            f"Can't set both {key} and {section_name} in the same config file.\n"
+                            f"Default to {section_name} if unsure."
+                            "\n\n"
+                            "See: https://pycqa.github.io/isort/"
+                            "#custom-sections-and-ordering."
+                        )
+                    else:
+                        combined_config[section_name] = frozenset(value)
+                else:
+                    known_other[import_heading] = frozenset(value)
+                    if maps_to_section not in combined_config.get("sections", ()) and not quiet:
+                        warn(
+                            f"`{key}` setting is defined, but {maps_to_section} is not"
+                            " included in `sections` config option:"
+                            f" {combined_config.get('sections', SECTION_DEFAULTS)}.\n\n"
+                            "See: https://pycqa.github.io/isort/"
+                            "#custom-sections-and-ordering."
+                        )
+            if key.startswith(IMPORT_HEADING_PREFIX):
+                import_headings[key[len(IMPORT_HEADING_PREFIX) :].lower()] = str(value)
+            if key.startswith(IMPORT_FOOTER_PREFIX):
+                import_footers[key[len(IMPORT_FOOTER_PREFIX) :].lower()] = str(value)
+
+            # Coerce all provided config values into their correct type
+            default_value = _DEFAULT_SETTINGS.get(key, None)
+            if default_value is None:
+                continue
+
+            combined_config[key] = type(default_value)(value)
+
+        for section in combined_config.get("sections", ()):
+            if section in SECTION_DEFAULTS:
+                continue
+
+            if not section.lower() in known_other:
+                config_keys = ", ".join(known_other.keys())
+                warn(
+                    f"`sections` setting includes {section}, but no known_{section.lower()} "
+                    "is defined. "
+                    f"The following known_SECTION config options are defined: {config_keys}."
+                )
+
+        if "directory" not in combined_config:
+            combined_config["directory"] = (
+                os.path.dirname(config_settings["source"])
+                if config_settings.get("source", None)
+                else os.getcwd()
+            )
+
+        path_root = Path(combined_config.get("directory", project_root)).resolve()
+        path_root = path_root if path_root.is_dir() else path_root.parent
+        if "src_paths" not in combined_config:
+            combined_config["src_paths"] = (path_root / "src", path_root)
+        else:
+            src_paths: List[Path] = []
+            for src_path in combined_config.get("src_paths", ()):
+                full_paths = (
+                    path_root.glob(src_path) if "*" in str(src_path) else [path_root / src_path]
+                )
+                for path in full_paths:
+                    if path not in src_paths:
+                        src_paths.append(path)
+
+            combined_config["src_paths"] = tuple(src_paths)
+
+        if "formatter" in combined_config:
+            import pkg_resources
+
+            for plugin in pkg_resources.iter_entry_points("isort.formatters"):
+                if plugin.name == combined_config["formatter"]:
+                    combined_config["formatting_function"] = plugin.load()
+                    break
+            else:
+                raise FormattingPluginDoesNotExist(combined_config["formatter"])
+
+        # Remove any config values that are used for creating config object but
+        # aren't defined in dataclass
+        combined_config.pop("source", None)
+        combined_config.pop("sources", None)
+        combined_config.pop("runtime_src_paths", None)
+
+        deprecated_options_used = [
+            option for option in combined_config if option in DEPRECATED_SETTINGS
+        ]
+        if deprecated_options_used:
+            for deprecated_option in deprecated_options_used:
+                combined_config.pop(deprecated_option)
+            if not quiet:
+                warn(
+                    "W0503: Deprecated config options were used: "
+                    f"{', '.join(deprecated_options_used)}."
+                    "Please see the 5.0.0 upgrade guide: "
+                    "https://pycqa.github.io/isort/docs/upgrade_guides/5.0.0.html"
+                )
+
+        if known_other:
+            combined_config["known_other"] = known_other
+        if import_headings:
+            for import_heading_key in import_headings:
+                combined_config.pop(f"{IMPORT_HEADING_PREFIX}{import_heading_key}")
+            combined_config["import_headings"] = import_headings
+        if import_footers:
+            for import_footer_key in import_footers:
+                combined_config.pop(f"{IMPORT_FOOTER_PREFIX}{import_footer_key}")
+            combined_config["import_footers"] = import_footers
+
+        unsupported_config_errors = {}
+        for option in set(combined_config.keys()).difference(
+            getattr(_Config, "__dataclass_fields__", {}).keys()
+        ):
+            for source in reversed(sources):
+                if option in source:
+                    unsupported_config_errors[option] = {
+                        "value": source[option],
+                        "source": source["source"],
+                    }
+        if unsupported_config_errors:
+            raise UnsupportedSettings(unsupported_config_errors)
+
+        super().__init__(sources=tuple(sources), **combined_config)  # type: ignore
+
+    def is_supported_filetype(self, file_name: str) -> bool:
+        _root, ext = os.path.splitext(file_name)
+        ext = ext.lstrip(".")
+        if ext in self.supported_extensions:
+            return True
+        if ext in self.blocked_extensions:
+            return False
+
+        # Skip editor backup files.
+        if file_name.endswith("~"):
+            return False
+
+        try:
+            if stat.S_ISFIFO(os.stat(file_name).st_mode):
+                return False
+        except OSError:
+            pass
+
+        try:
+            with open(file_name, "rb") as fp:
+                line = fp.readline(100)
+        except OSError:
+            return False
+        else:
+            return bool(_SHEBANG_RE.match(line))
+
+    def _check_folder_gitignore(self, folder: str) -> Optional[Path]:
+        env = {**os.environ, "LANG": "C.UTF-8"}
+        try:
+            topfolder_result = subprocess.check_output(  # nosec # skipcq: PYL-W1510
+                ["git", "-C", folder, "rev-parse", "--show-toplevel"], encoding="utf-8", env=env
+            )
+        except subprocess.CalledProcessError:
+            return None
+
+        git_folder = Path(topfolder_result.rstrip()).resolve()
+
+        files: List[str] = []
+        # don't check symlinks; either part of the repo and would be checked
+        # twice, or is external to the repo and git won't know anything about it
+        for root, _dirs, git_files in os.walk(git_folder, followlinks=False):
+            if ".git" in _dirs:
+                _dirs.remove(".git")
+            for git_file in git_files:
+                files.append(os.path.join(root, git_file))
+        git_options = ["-C", str(git_folder), "-c", "core.quotePath="]
+        try:
+            ignored = subprocess.check_output(  # nosec # skipcq: PYL-W1510
+                ["git", *git_options, "check-ignore", "-z", "--stdin", "--no-index"],
+                encoding="utf-8",
+                env=env,
+                input="\0".join(files),
+            )
+        except subprocess.CalledProcessError:
+            return None
+
+        self.git_ignore[git_folder] = {Path(f) for f in ignored.rstrip("\0").split("\0")}
+        return git_folder
+
+    def is_skipped(self, file_path: Path) -> bool:
+        """Returns True if the file and/or folder should be skipped based on current settings."""
+        if self.directory and Path(self.directory) in file_path.resolve().parents:
+            file_name = os.path.relpath(file_path.resolve(), self.directory)
+        else:
+            file_name = str(file_path)
+
+        os_path = str(file_path)
+
+        normalized_path = os_path.replace("\\", "/")
+        if normalized_path[1:2] == ":":
+            normalized_path = normalized_path[2:]
+
+        for skip_path in self.skips:
+            if posixpath.abspath(normalized_path) == posixpath.abspath(
+                skip_path.replace("\\", "/")
+            ):
+                return True
+
+        position = os.path.split(file_name)
+        while position[1]:
+            if position[1] in self.skips:
+                return True
+            position = os.path.split(position[0])
+
+        for sglob in self.skip_globs:
+            if fnmatch.fnmatch(file_name, sglob) or fnmatch.fnmatch("/" + file_name, sglob):
+                return True
+
+        if not (os.path.isfile(os_path) or os.path.isdir(os_path) or os.path.islink(os_path)):
+            return True
+
+        if self.skip_gitignore:
+            if file_path.name == ".git":  # pragma: no cover
+                return True
+
+            git_folder = None
+
+            file_paths = [file_path, file_path.resolve()]
+            for folder in self.git_ignore:
+                if any(folder in path.parents for path in file_paths):
+                    git_folder = folder
+                    break
+            else:
+                git_folder = self._check_folder_gitignore(str(file_path.parent))
+
+            if git_folder and any(path in self.git_ignore[git_folder] for path in file_paths):
+                return True
+
+        return False
+
+    @property
+    def known_patterns(self) -> List[Tuple[Pattern[str], str]]:
+        if self._known_patterns is not None:
+            return self._known_patterns
+
+        self._known_patterns = []
+        pattern_sections = [STDLIB] + [section for section in self.sections if section != STDLIB]
+        for placement in reversed(pattern_sections):
+            known_placement = KNOWN_SECTION_MAPPING.get(placement, placement).lower()
+            config_key = f"{KNOWN_PREFIX}{known_placement}"
+            known_modules = getattr(self, config_key, self.known_other.get(known_placement, ()))
+            extra_modules = getattr(self, f"extra_{known_placement}", ())
+            all_modules = set(extra_modules).union(known_modules)
+            known_patterns = [
+                pattern
+                for known_pattern in all_modules
+                for pattern in self._parse_known_pattern(known_pattern)
+            ]
+            for known_pattern in known_patterns:
+                regexp = "^" + known_pattern.replace("*", ".*").replace("?", ".?") + "$"
+                self._known_patterns.append((re.compile(regexp), placement))
+
+        return self._known_patterns
+
+    @property
+    def section_comments(self) -> Tuple[str, ...]:
+        if self._section_comments is not None:
+            return self._section_comments
+
+        self._section_comments = tuple(f"# {heading}" for heading in self.import_headings.values())
+        return self._section_comments
+
+    @property
+    def section_comments_end(self) -> Tuple[str, ...]:
+        if self._section_comments_end is not None:
+            return self._section_comments_end
+
+        self._section_comments_end = tuple(f"# {footer}" for footer in self.import_footers.values())
+        return self._section_comments_end
+
+    @property
+    def skips(self) -> FrozenSet[str]:
+        if self._skips is not None:
+            return self._skips
+
+        self._skips = self.skip.union(self.extend_skip)
+        return self._skips
+
+    @property
+    def skip_globs(self) -> FrozenSet[str]:
+        if self._skip_globs is not None:
+            return self._skip_globs
+
+        self._skip_globs = self.skip_glob.union(self.extend_skip_glob)
+        return self._skip_globs
+
+    @property
+    def sorting_function(self) -> Callable[..., List[str]]:
+        if self._sorting_function is not None:
+            return self._sorting_function
+
+        if self.sort_order == "natural":
+            self._sorting_function = sorting.naturally
+        elif self.sort_order == "native":
+            self._sorting_function = sorted
+        else:
+            available_sort_orders = ["natural", "native"]
+            import pkg_resources
+
+            for sort_plugin in pkg_resources.iter_entry_points("isort.sort_function"):
+                available_sort_orders.append(sort_plugin.name)
+                if sort_plugin.name == self.sort_order:
+                    self._sorting_function = sort_plugin.load()
+                    break
+            else:
+                raise SortingFunctionDoesNotExist(self.sort_order, available_sort_orders)
+
+        return self._sorting_function
+
+    def _parse_known_pattern(self, pattern: str) -> List[str]:
+        """Expand pattern if identified as a directory and return found sub packages"""
+        if pattern.endswith(os.path.sep):
+            patterns = [
+                filename
+                for filename in os.listdir(os.path.join(self.directory, pattern))
+                if os.path.isdir(os.path.join(self.directory, pattern, filename))
+            ]
+        else:
+            patterns = [pattern]
+
+        return patterns
+
+
+def _get_str_to_type_converter(setting_name: str) -> Union[Callable[[str], Any], Type[Any]]:
+    type_converter: Union[Callable[[str], Any], Type[Any]] = type(
+        _DEFAULT_SETTINGS.get(setting_name, "")
+    )
+    if type_converter == WrapModes:
+        type_converter = wrap_mode_from_string
+    return type_converter
+
+
+def _as_list(value: str) -> List[str]:
+    if isinstance(value, list):
+        return [item.strip() for item in value]
+    filtered = [item.strip() for item in value.replace("\n", ",").split(",") if item.strip()]
+    return filtered
+
+
+def _abspaths(cwd: str, values: Iterable[str]) -> Set[str]:
+    paths = {
+        os.path.join(cwd, value)
+        if not value.startswith(os.path.sep) and value.endswith(os.path.sep)
+        else value
+        for value in values
+    }
+    return paths
+
+
+@lru_cache()
+def _find_config(path: str) -> Tuple[str, Dict[str, Any]]:
+    current_directory = path
+    tries = 0
+    while current_directory and tries < MAX_CONFIG_SEARCH_DEPTH:
+        for config_file_name in CONFIG_SOURCES:
+            potential_config_file = os.path.join(current_directory, config_file_name)
+            if os.path.isfile(potential_config_file):
+                config_data: Dict[str, Any]
+                try:
+                    config_data = _get_config_data(
+                        potential_config_file, CONFIG_SECTIONS[config_file_name]
+                    )
+                except Exception:
+                    warn(f"Failed to pull configuration information from {potential_config_file}")
+                    config_data = {}
+                if config_data:
+                    return (current_directory, config_data)
+
+        for stop_dir in STOP_CONFIG_SEARCH_ON_DIRS:
+            if os.path.isdir(os.path.join(current_directory, stop_dir)):
+                return (current_directory, {})
+
+        new_directory = os.path.split(current_directory)[0]
+        if new_directory == current_directory:
+            break
+
+        current_directory = new_directory
+        tries += 1
+
+    return (path, {})
+
+
+@lru_cache()
+def find_all_configs(path: str) -> Trie:
+    """
+    Looks for config files in the path provided and in all of its sub-directories.
+    Parses and stores any config file encountered in a trie and returns the root of
+    the trie
+    """
+    trie_root = Trie("default", {})
+
+    for (dirpath, _, _) in os.walk(path):
+        for config_file_name in CONFIG_SOURCES:
+            potential_config_file = os.path.join(dirpath, config_file_name)
+            if os.path.isfile(potential_config_file):
+                config_data: Dict[str, Any]
+                try:
+                    config_data = _get_config_data(
+                        potential_config_file, CONFIG_SECTIONS[config_file_name]
+                    )
+                except Exception:
+                    warn(f"Failed to pull configuration information from {potential_config_file}")
+                    config_data = {}
+
+                if config_data:
+                    trie_root.insert(potential_config_file, config_data)
+                    break
+
+    return trie_root
+
+
+@lru_cache()
+def _get_config_data(file_path: str, sections: Tuple[str]) -> Dict[str, Any]:
+    settings: Dict[str, Any] = {}
+
+    if file_path.endswith(".toml"):
+        with open(file_path, "rb") as bin_config_file:
+            config = tomli.load(bin_config_file)
+        for section in sections:
+            config_section = config
+            for key in section.split("."):
+                config_section = config_section.get(key, {})
+            settings.update(config_section)
+    else:
+        with open(file_path, encoding="utf-8") as config_file:
+            if file_path.endswith(".editorconfig"):
+                line = "\n"
+                last_position = config_file.tell()
+                while line:
+                    line = config_file.readline()
+                    if "[" in line:
+                        config_file.seek(last_position)
+                        break
+                    last_position = config_file.tell()
+
+            config = configparser.ConfigParser(strict=False)
+            config.read_file(config_file)
+        for section in sections:
+            if section.startswith("*.{") and section.endswith("}"):
+                extension = section[len("*.{") : -1]
+                for config_key in config.keys():
+                    if (
+                        config_key.startswith("*.{")
+                        and config_key.endswith("}")
+                        and extension
+                        in map(
+                            lambda text: text.strip(), config_key[len("*.{") : -1].split(",")  # type: ignore # noqa
+                        )
+                    ):
+                        settings.update(config.items(config_key))
+
+            elif config.has_section(section):
+                settings.update(config.items(section))
+
+    if settings:
+        settings["source"] = file_path
+
+        if file_path.endswith(".editorconfig"):
+            indent_style = settings.pop("indent_style", "").strip()
+            indent_size = settings.pop("indent_size", "").strip()
+            if indent_size == "tab":
+                indent_size = settings.pop("tab_width", "").strip()
+
+            if indent_style == "space":
+                settings["indent"] = " " * (indent_size and int(indent_size) or 4)
+
+            elif indent_style == "tab":
+                settings["indent"] = "\t" * (indent_size and int(indent_size) or 1)
+
+            max_line_length = settings.pop("max_line_length", "").strip()
+            if max_line_length and (max_line_length == "off" or max_line_length.isdigit()):
+                settings["line_length"] = (
+                    float("inf") if max_line_length == "off" else int(max_line_length)
+                )
+            settings = {
+                key: value
+                for key, value in settings.items()
+                if key in _DEFAULT_SETTINGS.keys() or key.startswith(KNOWN_PREFIX)
+            }
+
+        for key, value in settings.items():
+            existing_value_type = _get_str_to_type_converter(key)
+            if existing_value_type == tuple:
+                settings[key] = tuple(_as_list(value))
+            elif existing_value_type == frozenset:
+                settings[key] = frozenset(_as_list(settings.get(key)))  # type: ignore
+            elif existing_value_type == bool:
+                # Only some configuration formats support native boolean values.
+                if not isinstance(value, bool):
+                    value = _as_bool(value)
+                settings[key] = value
+            elif key.startswith(KNOWN_PREFIX):
+                settings[key] = _abspaths(os.path.dirname(file_path), _as_list(value))
+            elif key == "force_grid_wrap":
+                try:
+                    result = existing_value_type(value)
+                except ValueError:  # backwards compatibility for true / false force grid wrap
+                    result = 0 if value.lower().strip() == "false" else 2
+                settings[key] = result
+            elif key == "comment_prefix":
+                settings[key] = str(value).strip("'").strip('"')
+            else:
+                settings[key] = existing_value_type(value)
+
+    return settings
+
+
+def _as_bool(value: str) -> bool:
+    """Given a string value that represents True or False, returns the Boolean equivalent.
+    Heavily inspired from distutils strtobool.
+    """
+    try:
+        return _STR_BOOLEAN_MAPPING[value.lower()]
+    except KeyError:
+        raise ValueError(f"invalid truth value {value}")
+
+
+DEFAULT_CONFIG = Config()

.venv/lib/python3.8/site-packages/isort/setuptools_commands.py

@@ -0,0 +1,61 @@
+import glob
+import os
+import sys
+from typing import Any, Dict, Iterator, List
+from warnings import warn
+
+import setuptools  # type: ignore
+
+from . import api
+from .settings import DEFAULT_CONFIG
+
+
+class ISortCommand(setuptools.Command):  # type: ignore
+    """The :class:`ISortCommand` class is used by setuptools to perform
+    imports checks on registered modules.
+    """
+
+    description = "Run isort on modules registered in setuptools"
+    user_options: List[Any] = []
+
+    def initialize_options(self) -> None:
+        default_settings = vars(DEFAULT_CONFIG).copy()
+        for key, value in default_settings.items():
+            setattr(self, key, value)
+
+    def finalize_options(self) -> None:
+        """Get options from config files."""
+        self.arguments: Dict[str, Any] = {}  # skipcq: PYL-W0201
+        self.arguments["settings_path"] = os.getcwd()
+
+    def distribution_files(self) -> Iterator[str]:
+        """Find distribution packages."""
+        # This is verbatim from flake8
+        if self.distribution.packages:  # pragma: no cover
+            package_dirs = self.distribution.package_dir or {}
+            for package in self.distribution.packages:
+                pkg_dir = package
+                if package in package_dirs:
+                    pkg_dir = package_dirs[package]
+                elif "" in package_dirs:  # pragma: no cover
+                    pkg_dir = package_dirs[""] + os.path.sep + pkg_dir
+                yield pkg_dir.replace(".", os.path.sep)
+
+        if self.distribution.py_modules:
+            for filename in self.distribution.py_modules:
+                yield "%s.py" % filename
+        # Don't miss the setup.py file itself
+        yield "setup.py"
+
+    def run(self) -> None:
+        arguments = self.arguments
+        wrong_sorted_files = False
+        for path in self.distribution_files():
+            for python_file in glob.iglob(os.path.join(path, "*.py")):
+                try:
+                    if not api.check_file(python_file, **arguments):
+                        wrong_sorted_files = True  # pragma: no cover
+                except OSError as error:  # pragma: no cover
+                    warn(f"Unable to parse file {python_file} due to {error}")
+        if wrong_sorted_files:
+            sys.exit(1)  # pragma: no cover

.venv/lib/python3.8/site-packages/isort/sorting.py

@@ -0,0 +1,130 @@
+import re
+from typing import TYPE_CHECKING, Any, Callable, Iterable, List, Optional
+
+if TYPE_CHECKING:
+    from .settings import Config
+else:
+    Config = Any
+
+_import_line_intro_re = re.compile("^(?:from|import) ")
+_import_line_midline_import_re = re.compile(" import ")
+
+
+def module_key(
+    module_name: str,
+    config: Config,
+    sub_imports: bool = False,
+    ignore_case: bool = False,
+    section_name: Optional[Any] = None,
+    straight_import: Optional[bool] = False,
+) -> str:
+    match = re.match(r"^(\.+)\s*(.*)", module_name)
+    if match:
+        sep = " " if config.reverse_relative else "_"
+        module_name = sep.join(match.groups())
+
+    prefix = ""
+    if ignore_case:
+        module_name = str(module_name).lower()
+    else:
+        module_name = str(module_name)
+
+    if sub_imports and config.order_by_type:
+        if module_name in config.constants:
+            prefix = "A"
+        elif module_name in config.classes:
+            prefix = "B"
+        elif module_name in config.variables:
+            prefix = "C"
+        elif module_name.isupper() and len(module_name) > 1:  # see issue #376
+            prefix = "A"
+        elif module_name in config.classes or module_name[0:1].isupper():
+            prefix = "B"
+        else:
+            prefix = "C"
+    if not config.case_sensitive:
+        module_name = module_name.lower()
+
+    length_sort = (
+        config.length_sort
+        or (config.length_sort_straight and straight_import)
+        or str(section_name).lower() in config.length_sort_sections
+    )
+    _length_sort_maybe = (str(len(module_name)) + ":" + module_name) if length_sort else module_name
+    return f"{module_name in config.force_to_top and 'A' or 'B'}{prefix}{_length_sort_maybe}"
+
+
+def section_key(line: str, config: Config) -> str:
+    section = "B"
+
+    if (
+        not config.sort_relative_in_force_sorted_sections
+        and config.reverse_relative
+        and line.startswith("from .")
+    ):
+        match = re.match(r"^from (\.+)\s*(.*)", line)
+        if match:  # pragma: no cover - regex always matches if line starts with "from ."
+            line = f"from {' '.join(match.groups())}"
+    if config.group_by_package and line.strip().startswith("from"):
+        line = line.split(" import", 1)[0]
+
+    if config.lexicographical:
+        line = _import_line_intro_re.sub("", _import_line_midline_import_re.sub(".", line))
+    else:
+        line = re.sub("^from ", "", line)
+        line = re.sub("^import ", "", line)
+    if config.sort_relative_in_force_sorted_sections:
+        sep = " " if config.reverse_relative else "_"
+        line = re.sub(r"^(\.+)", fr"\1{sep}", line)
+    if line.split(" ")[0] in config.force_to_top:
+        section = "A"
+    # * If honor_case_in_force_sorted_sections is true, and case_sensitive and
+    #   order_by_type are different, only ignore case in part of the line.
+    # * Otherwise, let order_by_type decide the sorting of the whole line. This
+    #   is only "correct" if case_sensitive and order_by_type have the same value.
+    if config.honor_case_in_force_sorted_sections and config.case_sensitive != config.order_by_type:
+        split_module = line.split(" import ", 1)
+        if len(split_module) > 1:
+            module_name, names = split_module
+            if not config.case_sensitive:
+                module_name = module_name.lower()
+            if not config.order_by_type:
+                names = names.lower()
+            line = " import ".join([module_name, names])
+        elif not config.case_sensitive:
+            line = line.lower()
+    elif not config.order_by_type:
+        line = line.lower()
+
+    return f"{section}{len(line) if config.length_sort else ''}{line}"
+
+
+def sort(
+    config: Config,
+    to_sort: Iterable[str],
+    key: Optional[Callable[[str], Any]] = None,
+    reverse: bool = False,
+) -> List[str]:
+    return config.sorting_function(to_sort, key=key, reverse=reverse)
+
+
+def naturally(
+    to_sort: Iterable[str], key: Optional[Callable[[str], Any]] = None, reverse: bool = False
+) -> List[str]:
+    """Returns a naturally sorted list"""
+    if key is None:
+        key_callback = _natural_keys
+    else:
+
+        def key_callback(text: str) -> List[Any]:
+            return _natural_keys(key(text))  # type: ignore
+
+    return sorted(to_sort, key=key_callback, reverse=reverse)
+
+
+def _atoi(text: str) -> Any:
+    return int(text) if text.isdigit() else text
+
+
+def _natural_keys(text: str) -> List[Any]:
+    return [_atoi(c) for c in re.split(r"(\d+)", text)]

.venv/lib/python3.8/site-packages/isort/stdlibs/__init__.py

@@ -0,0 +1,2 @@
+from . import all as _all
+from . import py2, py3, py27, py35, py36, py37, py38, py39, py310

.venv/lib/python3.8/site-packages/isort/stdlibs/all.py

@@ -0,0 +1,3 @@
+from . import py2, py3
+
+stdlib = py2.stdlib | py3.stdlib

.venv/lib/python3.8/site-packages/isort/stdlibs/py2.py

@@ -0,0 +1,3 @@
+from . import py27
+
+stdlib = py27.stdlib

.venv/lib/python3.8/site-packages/isort/stdlibs/py27.py

@@ -0,0 +1,301 @@
+"""
+File contains the standard library of Python 2.7.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "AL",
+    "BaseHTTPServer",
+    "Bastion",
+    "CGIHTTPServer",
+    "Carbon",
+    "ColorPicker",
+    "ConfigParser",
+    "Cookie",
+    "DEVICE",
+    "DocXMLRPCServer",
+    "EasyDialogs",
+    "FL",
+    "FrameWork",
+    "GL",
+    "HTMLParser",
+    "MacOS",
+    "MimeWriter",
+    "MiniAEFrame",
+    "Nav",
+    "PixMapWrapper",
+    "Queue",
+    "SUNAUDIODEV",
+    "ScrolledText",
+    "SimpleHTTPServer",
+    "SimpleXMLRPCServer",
+    "SocketServer",
+    "StringIO",
+    "Tix",
+    "Tkinter",
+    "UserDict",
+    "UserList",
+    "UserString",
+    "W",
+    "__builtin__",
+    "_ast",
+    "_winreg",
+    "abc",
+    "aepack",
+    "aetools",
+    "aetypes",
+    "aifc",
+    "al",
+    "anydbm",
+    "applesingle",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "autoGIL",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "bsddb",
+    "buildtools",
+    "bz2",
+    "cPickle",
+    "cProfile",
+    "cStringIO",
+    "calendar",
+    "cd",
+    "cfmfile",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "commands",
+    "compileall",
+    "compiler",
+    "contextlib",
+    "cookielib",
+    "copy",
+    "copy_reg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "datetime",
+    "dbhash",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dircache",
+    "dis",
+    "distutils",
+    "dl",
+    "doctest",
+    "dumbdbm",
+    "dummy_thread",
+    "dummy_threading",
+    "email",
+    "encodings",
+    "ensurepip",
+    "errno",
+    "exceptions",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "findertools",
+    "fl",
+    "flp",
+    "fm",
+    "fnmatch",
+    "formatter",
+    "fpectl",
+    "fpformat",
+    "fractions",
+    "ftplib",
+    "functools",
+    "future_builtins",
+    "gc",
+    "gdbm",
+    "gensuitemodule",
+    "getopt",
+    "getpass",
+    "gettext",
+    "gl",
+    "glob",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "hotshot",
+    "htmlentitydefs",
+    "htmllib",
+    "httplib",
+    "ic",
+    "icopen",
+    "imageop",
+    "imaplib",
+    "imgfile",
+    "imghdr",
+    "imp",
+    "importlib",
+    "imputil",
+    "inspect",
+    "io",
+    "itertools",
+    "jpeg",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "macerrors",
+    "macostools",
+    "macpath",
+    "macresource",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "md5",
+    "mhlib",
+    "mimetools",
+    "mimetypes",
+    "mimify",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multifile",
+    "multiprocessing",
+    "mutex",
+    "netrc",
+    "new",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "popen2",
+    "poplib",
+    "posix",
+    "posixfile",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "resource",
+    "rexec",
+    "rfc822",
+    "rlcompleter",
+    "robotparser",
+    "runpy",
+    "sched",
+    "select",
+    "sets",
+    "sgmllib",
+    "sha",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statvfs",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "sunaudiodev",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "thread",
+    "threading",
+    "time",
+    "timeit",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "ttk",
+    "tty",
+    "turtle",
+    "types",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "urllib2",
+    "urlparse",
+    "user",
+    "uu",
+    "uuid",
+    "videoreader",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "whichdb",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpclib",
+    "zipfile",
+    "zipimport",
+    "zlib",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py3.py

@@ -0,0 +1,3 @@
+from . import py35, py36, py37, py38, py39, py310
+
+stdlib = py35.stdlib | py36.stdlib | py37.stdlib | py38.stdlib | py39.stdlib | py310.stdlib

.venv/lib/python3.8/site-packages/isort/stdlibs/py310.py

@@ -0,0 +1,221 @@
+"""
+File contains the standard library of Python 3.10.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "contextvars",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "dataclasses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "graphlib",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "secrets",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+    "zoneinfo",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py35.py

@@ -0,0 +1,223 @@
+"""
+File contains the standard library of Python 3.5.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_dummy_thread",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "dummy_threading",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "formatter",
+    "fpectl",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "macpath",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py36.py

@@ -0,0 +1,224 @@
+"""
+File contains the standard library of Python 3.6.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_dummy_thread",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "dummy_threading",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "formatter",
+    "fpectl",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "macpath",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "secrets",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py37.py

@@ -0,0 +1,225 @@
+"""
+File contains the standard library of Python 3.7.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_dummy_thread",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "contextvars",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "dataclasses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "dummy_threading",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "formatter",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "macpath",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "secrets",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py38.py

@@ -0,0 +1,224 @@
+"""
+File contains the standard library of Python 3.8.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_dummy_thread",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "contextvars",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "dataclasses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "dummy_threading",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "formatter",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "secrets",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+}

.venv/lib/python3.8/site-packages/isort/stdlibs/py39.py

@@ -0,0 +1,224 @@
+"""
+File contains the standard library of Python 3.9.
+
+DO NOT EDIT. If the standard library changes, a new list should be created
+using the mkstdlibs.py script.
+"""
+
+stdlib = {
+    "_ast",
+    "_thread",
+    "abc",
+    "aifc",
+    "argparse",
+    "array",
+    "ast",
+    "asynchat",
+    "asyncio",
+    "asyncore",
+    "atexit",
+    "audioop",
+    "base64",
+    "bdb",
+    "binascii",
+    "binhex",
+    "bisect",
+    "builtins",
+    "bz2",
+    "cProfile",
+    "calendar",
+    "cgi",
+    "cgitb",
+    "chunk",
+    "cmath",
+    "cmd",
+    "code",
+    "codecs",
+    "codeop",
+    "collections",
+    "colorsys",
+    "compileall",
+    "concurrent",
+    "configparser",
+    "contextlib",
+    "contextvars",
+    "copy",
+    "copyreg",
+    "crypt",
+    "csv",
+    "ctypes",
+    "curses",
+    "dataclasses",
+    "datetime",
+    "dbm",
+    "decimal",
+    "difflib",
+    "dis",
+    "distutils",
+    "doctest",
+    "email",
+    "encodings",
+    "ensurepip",
+    "enum",
+    "errno",
+    "faulthandler",
+    "fcntl",
+    "filecmp",
+    "fileinput",
+    "fnmatch",
+    "formatter",
+    "fractions",
+    "ftplib",
+    "functools",
+    "gc",
+    "getopt",
+    "getpass",
+    "gettext",
+    "glob",
+    "graphlib",
+    "grp",
+    "gzip",
+    "hashlib",
+    "heapq",
+    "hmac",
+    "html",
+    "http",
+    "imaplib",
+    "imghdr",
+    "imp",
+    "importlib",
+    "inspect",
+    "io",
+    "ipaddress",
+    "itertools",
+    "json",
+    "keyword",
+    "lib2to3",
+    "linecache",
+    "locale",
+    "logging",
+    "lzma",
+    "mailbox",
+    "mailcap",
+    "marshal",
+    "math",
+    "mimetypes",
+    "mmap",
+    "modulefinder",
+    "msilib",
+    "msvcrt",
+    "multiprocessing",
+    "netrc",
+    "nis",
+    "nntplib",
+    "ntpath",
+    "numbers",
+    "operator",
+    "optparse",
+    "os",
+    "ossaudiodev",
+    "parser",
+    "pathlib",
+    "pdb",
+    "pickle",
+    "pickletools",
+    "pipes",
+    "pkgutil",
+    "platform",
+    "plistlib",
+    "poplib",
+    "posix",
+    "posixpath",
+    "pprint",
+    "profile",
+    "pstats",
+    "pty",
+    "pwd",
+    "py_compile",
+    "pyclbr",
+    "pydoc",
+    "queue",
+    "quopri",
+    "random",
+    "re",
+    "readline",
+    "reprlib",
+    "resource",
+    "rlcompleter",
+    "runpy",
+    "sched",
+    "secrets",
+    "select",
+    "selectors",
+    "shelve",
+    "shlex",
+    "shutil",
+    "signal",
+    "site",
+    "smtpd",
+    "smtplib",
+    "sndhdr",
+    "socket",
+    "socketserver",
+    "spwd",
+    "sqlite3",
+    "sre",
+    "sre_compile",
+    "sre_constants",
+    "sre_parse",
+    "ssl",
+    "stat",
+    "statistics",
+    "string",
+    "stringprep",
+    "struct",
+    "subprocess",
+    "sunau",
+    "symbol",
+    "symtable",
+    "sys",
+    "sysconfig",
+    "syslog",
+    "tabnanny",
+    "tarfile",
+    "telnetlib",
+    "tempfile",
+    "termios",
+    "test",
+    "textwrap",
+    "threading",
+    "time",
+    "timeit",
+    "tkinter",
+    "token",
+    "tokenize",
+    "trace",
+    "traceback",
+    "tracemalloc",
+    "tty",
+    "turtle",
+    "turtledemo",
+    "types",
+    "typing",
+    "unicodedata",
+    "unittest",
+    "urllib",
+    "uu",
+    "uuid",
+    "venv",
+    "warnings",
+    "wave",
+    "weakref",
+    "webbrowser",
+    "winreg",
+    "winsound",
+    "wsgiref",
+    "xdrlib",
+    "xml",
+    "xmlrpc",
+    "zipapp",
+    "zipfile",
+    "zipimport",
+    "zlib",
+    "zoneinfo",
+}

.venv/lib/python3.8/site-packages/isort/utils.py

@@ -0,0 +1,72 @@
+import os
+import sys
+from pathlib import Path
+from typing import Any, Dict, Optional, Tuple
+
+
+class TrieNode:
+    def __init__(self, config_file: str = "", config_data: Optional[Dict[str, Any]] = None) -> None:
+        if not config_data:
+            config_data = {}
+
+        self.nodes: Dict[str, TrieNode] = {}
+        self.config_info: Tuple[str, Dict[str, Any]] = (config_file, config_data)
+
+
+class Trie:
+    """
+    A prefix tree to store the paths of all config files and to search the nearest config
+    associated with each file
+    """
+
+    def __init__(self, config_file: str = "", config_data: Optional[Dict[str, Any]] = None) -> None:
+        self.root: TrieNode = TrieNode(config_file, config_data)
+
+    def insert(self, config_file: str, config_data: Dict[str, Any]) -> None:
+        resolved_config_path_as_tuple = Path(config_file).parent.resolve().parts
+
+        temp = self.root
+
+        for path in resolved_config_path_as_tuple:
+            if path not in temp.nodes:
+                temp.nodes[path] = TrieNode()
+
+            temp = temp.nodes[path]
+
+        temp.config_info = (config_file, config_data)
+
+    def search(self, filename: str) -> Tuple[str, Dict[str, Any]]:
+        """
+        Returns the closest config relative to filename by doing a depth
+        first search on the prefix tree.
+        """
+        resolved_file_path_as_tuple = Path(filename).resolve().parts
+
+        temp = self.root
+
+        last_stored_config: Tuple[str, Dict[str, Any]] = ("", {})
+
+        for path in resolved_file_path_as_tuple:
+            if temp.config_info[0]:
+                last_stored_config = temp.config_info
+
+            if path not in temp.nodes:
+                break
+
+            temp = temp.nodes[path]
+
+        return last_stored_config
+
+
+def exists_case_sensitive(path: str) -> bool:
+    """Returns if the given path exists and also matches the case on Windows.
+
+    When finding files that can be imported, it is important for the cases to match because while
+    file os.path.exists("module.py") and os.path.exists("MODULE.py") both return True on Windows,
+    Python can only import using the case of the real file.
+    """
+    result = os.path.exists(path)
+    if (sys.platform.startswith("win") or sys.platform == "darwin") and result:  # pragma: no cover
+        directory, basename = os.path.split(path)
+        result = basename in os.listdir(directory)
+    return result

.venv/lib/python3.8/site-packages/isort/wrap.py

@@ -0,0 +1,139 @@
+import copy
+import re
+from typing import List, Optional, Sequence
+
+from .settings import DEFAULT_CONFIG, Config
+from .wrap_modes import WrapModes as Modes
+from .wrap_modes import formatter_from_string
+
+
+def import_statement(
+    import_start: str,
+    from_imports: List[str],
+    comments: Sequence[str] = (),
+    line_separator: str = "\n",
+    config: Config = DEFAULT_CONFIG,
+    multi_line_output: Optional[Modes] = None,
+) -> str:
+    """Returns a multi-line wrapped form of the provided from import statement."""
+    formatter = formatter_from_string((multi_line_output or config.multi_line_output).name)
+    dynamic_indent = " " * (len(import_start) + 1)
+    indent = config.indent
+    line_length = config.wrap_length or config.line_length
+    statement = formatter(
+        statement=import_start,
+        imports=copy.copy(from_imports),
+        white_space=dynamic_indent,
+        indent=indent,
+        line_length=line_length,
+        comments=comments,
+        line_separator=line_separator,
+        comment_prefix=config.comment_prefix,
+        include_trailing_comma=config.include_trailing_comma,
+        remove_comments=config.ignore_comments,
+    )
+    if config.balanced_wrapping:
+        lines = statement.split(line_separator)
+        line_count = len(lines)
+        if len(lines) > 1:
+            minimum_length = min(len(line) for line in lines[:-1])
+        else:
+            minimum_length = 0
+        new_import_statement = statement
+        while len(lines[-1]) < minimum_length and len(lines) == line_count and line_length > 10:
+            statement = new_import_statement
+            line_length -= 1
+            new_import_statement = formatter(
+                statement=import_start,
+                imports=copy.copy(from_imports),
+                white_space=dynamic_indent,
+                indent=indent,
+                line_length=line_length,
+                comments=comments,
+                line_separator=line_separator,
+                comment_prefix=config.comment_prefix,
+                include_trailing_comma=config.include_trailing_comma,
+                remove_comments=config.ignore_comments,
+            )
+            lines = new_import_statement.split(line_separator)
+    if statement.count(line_separator) == 0:
+        return _wrap_line(statement, line_separator, config)
+    return statement
+
+
+def line(content: str, line_separator: str, config: Config = DEFAULT_CONFIG) -> str:
+    """Returns a line wrapped to the specified line-length, if possible."""
+    wrap_mode = config.multi_line_output
+    if len(content) > config.line_length and wrap_mode != Modes.NOQA:  # type: ignore
+        line_without_comment = content
+        comment = None
+        if "#" in content:
+            line_without_comment, comment = content.split("#", 1)
+        for splitter in ("import ", ".", "as "):
+            exp = r"\b" + re.escape(splitter) + r"\b"
+            if re.search(exp, line_without_comment) and not line_without_comment.strip().startswith(
+                splitter
+            ):
+                line_parts = re.split(exp, line_without_comment)
+                if comment and not (config.use_parentheses and "noqa" in comment):
+                    _comma_maybe = (
+                        ","
+                        if (
+                            config.include_trailing_comma
+                            and config.use_parentheses
+                            and not line_without_comment.rstrip().endswith(",")
+                        )
+                        else ""
+                    )
+                    line_parts[
+                        -1
+                    ] = f"{line_parts[-1].strip()}{_comma_maybe}{config.comment_prefix}{comment}"
+                next_line = []
+                while (len(content) + 2) > (
+                    config.wrap_length or config.line_length
+                ) and line_parts:
+                    next_line.append(line_parts.pop())
+                    content = splitter.join(line_parts)
+                if not content:
+                    content = next_line.pop()
+
+                cont_line = _wrap_line(
+                    config.indent + splitter.join(next_line).lstrip(),
+                    line_separator,
+                    config,
+                )
+                if config.use_parentheses:
+                    if splitter == "as ":
+                        output = f"{content}{splitter}{cont_line.lstrip()}"
+                    else:
+                        _comma = "," if config.include_trailing_comma and not comment else ""
+
+                        if wrap_mode in (
+                            Modes.VERTICAL_HANGING_INDENT,  # type: ignore
+                            Modes.VERTICAL_GRID_GROUPED,  # type: ignore
+                        ):
+                            _separator = line_separator
+                        else:
+                            _separator = ""
+                        _comment = ""
+                        if comment and "noqa" in comment:
+                            _comment = f"{config.comment_prefix}{comment}"
+                            cont_line = cont_line.rstrip()
+                            _comma = "," if config.include_trailing_comma else ""
+                        output = (
+                            f"{content}{splitter}({_comment}"
+                            f"{line_separator}{cont_line}{_comma}{_separator})"
+                        )
+                    lines = output.split(line_separator)
+                    if config.comment_prefix in lines[-1] and lines[-1].endswith(")"):
+                        content, comment = lines[-1].split(config.comment_prefix, 1)
+                        lines[-1] = content + ")" + config.comment_prefix + comment[:-1]
+                    return line_separator.join(lines)
+                return f"{content}{splitter}\\{line_separator}{cont_line}"
+    elif len(content) > config.line_length and wrap_mode == Modes.NOQA and "# NOQA" not in content:  # type: ignore
+        return f"{content}{config.comment_prefix} NOQA"
+
+    return content
+
+
+_wrap_line = line

.venv/lib/python3.8/site-packages/isort/wrap_modes.py

@@ -0,0 +1,376 @@
+"""Defines all wrap modes that can be used when outputting formatted imports"""
+import enum
+from inspect import signature
+from typing import Any, Callable, Dict, List
+
+import isort.comments
+
+_wrap_modes: Dict[str, Callable[..., str]] = {}
+
+
+def from_string(value: str) -> "WrapModes":
+    return getattr(WrapModes, str(value), None) or WrapModes(int(value))
+
+
+def formatter_from_string(name: str) -> Callable[..., str]:
+    return _wrap_modes.get(name.upper(), grid)
+
+
+def _wrap_mode_interface(
+    statement: str,
+    imports: List[str],
+    white_space: str,
+    indent: str,
+    line_length: int,
+    comments: List[str],
+    line_separator: str,
+    comment_prefix: str,
+    include_trailing_comma: bool,
+    remove_comments: bool,
+) -> str:
+    """Defines the common interface used by all wrap mode functions"""
+    return ""
+
+
+def _wrap_mode(function: Callable[..., str]) -> Callable[..., str]:
+    """Registers an individual wrap mode. Function name and order are significant and used for
+    creating enum.
+    """
+    _wrap_modes[function.__name__.upper()] = function
+    function.__signature__ = signature(_wrap_mode_interface)  # type: ignore
+    function.__annotations__ = _wrap_mode_interface.__annotations__
+    return function
+
+
+@_wrap_mode
+def grid(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    interface["statement"] += "(" + interface["imports"].pop(0)
+    while interface["imports"]:
+        next_import = interface["imports"].pop(0)
+        next_statement = isort.comments.add_to_line(
+            interface["comments"],
+            interface["statement"] + ", " + next_import,
+            removed=interface["remove_comments"],
+            comment_prefix=interface["comment_prefix"],
+        )
+        if (
+            len(next_statement.split(interface["line_separator"])[-1]) + 1
+            > interface["line_length"]
+        ):
+            lines = [f"{interface['white_space']}{next_import.split(' ')[0]}"]
+            for part in next_import.split(" ")[1:]:
+                new_line = f"{lines[-1]} {part}"
+                if len(new_line) + 1 > interface["line_length"]:
+                    lines.append(f"{interface['white_space']}{part}")
+                else:
+                    lines[-1] = new_line
+            next_import = interface["line_separator"].join(lines)
+            interface["statement"] = (
+                isort.comments.add_to_line(
+                    interface["comments"],
+                    f"{interface['statement']},",
+                    removed=interface["remove_comments"],
+                    comment_prefix=interface["comment_prefix"],
+                )
+                + f"{interface['line_separator']}{next_import}"
+            )
+            interface["comments"] = []
+        else:
+            interface["statement"] += ", " + next_import
+    return f"{interface['statement']}{',' if interface['include_trailing_comma'] else ''})"
+
+
+@_wrap_mode
+def vertical(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    first_import = (
+        isort.comments.add_to_line(
+            interface["comments"],
+            interface["imports"].pop(0) + ",",
+            removed=interface["remove_comments"],
+            comment_prefix=interface["comment_prefix"],
+        )
+        + interface["line_separator"]
+        + interface["white_space"]
+    )
+
+    _imports = ("," + interface["line_separator"] + interface["white_space"]).join(
+        interface["imports"]
+    )
+    _comma_maybe = "," if interface["include_trailing_comma"] else ""
+    return f"{interface['statement']}({first_import}{_imports}{_comma_maybe})"
+
+
+def _hanging_indent_end_line(line: str) -> str:
+    if not line.endswith(" "):
+        line += " "
+    return line + "\\"
+
+
+@_wrap_mode
+def hanging_indent(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    line_length_limit = interface["line_length"] - 3
+
+    next_import = interface["imports"].pop(0)
+    next_statement = interface["statement"] + next_import
+    # Check for first import
+    if len(next_statement) > line_length_limit:
+        next_statement = (
+            _hanging_indent_end_line(interface["statement"])
+            + interface["line_separator"]
+            + interface["indent"]
+            + next_import
+        )
+
+    interface["statement"] = next_statement
+    while interface["imports"]:
+        next_import = interface["imports"].pop(0)
+        next_statement = interface["statement"] + ", " + next_import
+        if len(next_statement.split(interface["line_separator"])[-1]) > line_length_limit:
+            next_statement = (
+                _hanging_indent_end_line(interface["statement"] + ",")
+                + f"{interface['line_separator']}{interface['indent']}{next_import}"
+            )
+        interface["statement"] = next_statement
+
+    interface[
+        "statement"
+    ] = f"{interface['statement']}{',' if interface['include_trailing_comma'] else ''}"
+    if interface["comments"]:
+        statement_with_comments = isort.comments.add_to_line(
+            interface["comments"],
+            interface["statement"],
+            removed=interface["remove_comments"],
+            comment_prefix=interface["comment_prefix"],
+        )
+        if len(statement_with_comments.split(interface["line_separator"])[-1]) <= (
+            line_length_limit + 2
+        ):
+            return statement_with_comments
+        return (
+            _hanging_indent_end_line(interface["statement"])
+            + str(interface["line_separator"])
+            + isort.comments.add_to_line(
+                interface["comments"],
+                interface["indent"],
+                removed=interface["remove_comments"],
+                comment_prefix=interface["comment_prefix"].lstrip(),
+            )
+        )
+    return str(interface["statement"])
+
+
+@_wrap_mode
+def vertical_hanging_indent(**interface: Any) -> str:
+    _line_with_comments = isort.comments.add_to_line(
+        interface["comments"],
+        "",
+        removed=interface["remove_comments"],
+        comment_prefix=interface["comment_prefix"],
+    )
+    _imports = ("," + interface["line_separator"] + interface["indent"]).join(interface["imports"])
+    _comma_maybe = "," if interface["include_trailing_comma"] else ""
+    return (
+        f"{interface['statement']}({_line_with_comments}{interface['line_separator']}"
+        f"{interface['indent']}{_imports}{_comma_maybe}{interface['line_separator']})"
+    )
+
+
+def _vertical_grid_common(need_trailing_char: bool, **interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    interface["statement"] += (
+        isort.comments.add_to_line(
+            interface["comments"],
+            "(",
+            removed=interface["remove_comments"],
+            comment_prefix=interface["comment_prefix"],
+        )
+        + interface["line_separator"]
+        + interface["indent"]
+        + interface["imports"].pop(0)
+    )
+    while interface["imports"]:
+        next_import = interface["imports"].pop(0)
+        next_statement = f"{interface['statement']}, {next_import}"
+        current_line_length = len(next_statement.split(interface["line_separator"])[-1])
+        if interface["imports"] or interface["include_trailing_comma"]:
+            # We need to account for a comma after this import.
+            current_line_length += 1
+        if not interface["imports"] and need_trailing_char:
+            # We need to account for a closing ) we're going to add.
+            current_line_length += 1
+        if current_line_length > interface["line_length"]:
+            next_statement = (
+                f"{interface['statement']},{interface['line_separator']}"
+                f"{interface['indent']}{next_import}"
+            )
+        interface["statement"] = next_statement
+    if interface["include_trailing_comma"]:
+        interface["statement"] += ","
+    return str(interface["statement"])
+
+
+@_wrap_mode
+def vertical_grid(**interface: Any) -> str:
+    return _vertical_grid_common(need_trailing_char=True, **interface) + ")"
+
+
+@_wrap_mode
+def vertical_grid_grouped(**interface: Any) -> str:
+    return (
+        _vertical_grid_common(need_trailing_char=False, **interface)
+        + str(interface["line_separator"])
+        + ")"
+    )
+
+
+@_wrap_mode
+def vertical_grid_grouped_no_comma(**interface: Any) -> str:
+    # This is a deprecated alias for vertical_grid_grouped above. This function
+    # needs to exist for backwards compatibility but should never get called.
+    raise NotImplementedError
+
+
+@_wrap_mode
+def noqa(**interface: Any) -> str:
+    _imports = ", ".join(interface["imports"])
+    retval = f"{interface['statement']}{_imports}"
+    comment_str = " ".join(interface["comments"])
+    if interface["comments"]:
+        if (
+            len(retval) + len(interface["comment_prefix"]) + 1 + len(comment_str)
+            <= interface["line_length"]
+        ):
+            return f"{retval}{interface['comment_prefix']} {comment_str}"
+        if "NOQA" in interface["comments"]:
+            return f"{retval}{interface['comment_prefix']} {comment_str}"
+        return f"{retval}{interface['comment_prefix']} NOQA {comment_str}"
+
+    if len(retval) <= interface["line_length"]:
+        return retval
+    return f"{retval}{interface['comment_prefix']} NOQA"
+
+
+@_wrap_mode
+def vertical_hanging_indent_bracket(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+    statement = vertical_hanging_indent(**interface)
+    return f'{statement[:-1]}{interface["indent"]})'
+
+
+@_wrap_mode
+def vertical_prefix_from_module_import(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    prefix_statement = interface["statement"]
+    output_statement = prefix_statement + interface["imports"].pop(0)
+    comments = interface["comments"]
+
+    statement = output_statement
+    statement_with_comments = ""
+    for next_import in interface["imports"]:
+        statement = statement + ", " + next_import
+        statement_with_comments = isort.comments.add_to_line(
+            comments,
+            statement,
+            removed=interface["remove_comments"],
+            comment_prefix=interface["comment_prefix"],
+        )
+        if (
+            len(statement_with_comments.split(interface["line_separator"])[-1]) + 1
+            > interface["line_length"]
+        ):
+            statement = (
+                isort.comments.add_to_line(
+                    comments,
+                    output_statement,
+                    removed=interface["remove_comments"],
+                    comment_prefix=interface["comment_prefix"],
+                )
+                + f"{interface['line_separator']}{prefix_statement}{next_import}"
+            )
+            comments = []
+        output_statement = statement
+
+    if comments and statement_with_comments:
+        output_statement = statement_with_comments
+    return str(output_statement)
+
+
+@_wrap_mode
+def hanging_indent_with_parentheses(**interface: Any) -> str:
+    if not interface["imports"]:
+        return ""
+
+    line_length_limit = interface["line_length"] - 1
+
+    interface["statement"] += "("
+    next_import = interface["imports"].pop(0)
+    next_statement = interface["statement"] + next_import
+    # Check for first import
+    if len(next_statement) > line_length_limit:
+        next_statement = (
+            isort.comments.add_to_line(
+                interface["comments"],
+                interface["statement"],
+                removed=interface["remove_comments"],
+                comment_prefix=interface["comment_prefix"],
+            )
+            + f"{interface['line_separator']}{interface['indent']}{next_import}"
+        )
+        interface["comments"] = []
+    interface["statement"] = next_statement
+    while interface["imports"]:
+        next_import = interface["imports"].pop(0)
+        if (
+            not interface["line_separator"] in interface["statement"]
+            and "#" in interface["statement"]
+        ):  # pragma: no cover # TODO: fix, this is because of test run inconsistency.
+            line, comments = interface["statement"].split("#", 1)
+            next_statement = (
+                f"{line.rstrip()}, {next_import}{interface['comment_prefix']}{comments}"
+            )
+        else:
+            next_statement = isort.comments.add_to_line(
+                interface["comments"],
+                interface["statement"] + ", " + next_import,
+                removed=interface["remove_comments"],
+                comment_prefix=interface["comment_prefix"],
+            )
+        current_line = next_statement.split(interface["line_separator"])[-1]
+        if len(current_line) > line_length_limit:
+            next_statement = (
+                isort.comments.add_to_line(
+                    interface["comments"],
+                    interface["statement"] + ",",
+                    removed=interface["remove_comments"],
+                    comment_prefix=interface["comment_prefix"],
+                )
+                + f"{interface['line_separator']}{interface['indent']}{next_import}"
+            )
+            interface["comments"] = []
+        interface["statement"] = next_statement
+    return f"{interface['statement']}{',' if interface['include_trailing_comma'] else ''})"
+
+
+@_wrap_mode
+def backslash_grid(**interface: Any) -> str:
+    interface["indent"] = interface["white_space"][:-1]
+    return hanging_indent(**interface)
+
+
+WrapModes = enum.Enum(  # type: ignore
+    "WrapModes", {wrap_mode: index for index, wrap_mode in enumerate(_wrap_modes.keys())}
+)