init

.venv/lib/python3.8/site-packages/IPython/utils/py3compat.py

@@ -0,0 +1,67 @@
+# coding: utf-8
+"""Compatibility tricks for Python 3. Mainly to do with unicode.
+
+This file is deprecated and will be removed in a future version.
+"""
+import platform
+import builtins as builtin_mod
+
+from .encoding import DEFAULT_ENCODING
+
+
+def decode(s, encoding=None):
+    encoding = encoding or DEFAULT_ENCODING
+    return s.decode(encoding, "replace")
+
+
+def encode(u, encoding=None):
+    encoding = encoding or DEFAULT_ENCODING
+    return u.encode(encoding, "replace")
+
+
+def cast_unicode(s, encoding=None):
+    if isinstance(s, bytes):
+        return decode(s, encoding)
+    return s
+
+
+def safe_unicode(e):
+    """unicode(e) with various fallbacks. Used for exceptions, which may not be
+    safe to call unicode() on.
+    """
+    try:
+        return str(e)
+    except UnicodeError:
+        pass
+
+    try:
+        return repr(e)
+    except UnicodeError:
+        pass
+
+    return "Unrecoverably corrupt evalue"
+
+
+# keep reference to builtin_mod because the kernel overrides that value
+# to forward requests to a frontend.
+def input(prompt=""):
+    return builtin_mod.input(prompt)
+
+
+def execfile(fname, glob, loc=None, compiler=None):
+    loc = loc if (loc is not None) else glob
+    with open(fname, "rb") as f:
+        compiler = compiler or compile
+        exec(compiler(f.read(), fname, "exec"), glob, loc)
+
+
+PYPY = platform.python_implementation() == "PyPy"
+
+# Cython still rely on that as a Dec 28 2019
+# See https://github.com/cython/cython/pull/3291 and
+# https://github.com/ipython/ipython/issues/12068
+def no_code(x, encoding=None):
+    return x
+
+
+unicode_to_str = cast_bytes_py2 = no_code