init

.venv/lib/python3.8/site-packages/virtualenv/seed/wheels/bundle.py

@@ -0,0 +1,51 @@
+from __future__ import absolute_import, unicode_literals
+
+from ..wheels.embed import get_embed_wheel
+from .periodic_update import periodic_update
+from .util import Version, Wheel, discover_wheels
+
+
+def from_bundle(distribution, version, for_py_version, search_dirs, app_data, do_periodic_update, env):
+    """
+    Load the bundled wheel to a cache directory.
+    """
+    of_version = Version.of_version(version)
+    wheel = load_embed_wheel(app_data, distribution, for_py_version, of_version)
+
+    if version != Version.embed:
+        # 2. check if we have upgraded embed
+        if app_data.can_update:
+            wheel = periodic_update(
+                distribution, of_version, for_py_version, wheel, search_dirs, app_data, do_periodic_update, env
+            )
+
+        # 3. acquire from extra search dir
+        found_wheel = from_dir(distribution, of_version, for_py_version, search_dirs)
+        if found_wheel is not None:
+            if wheel is None:
+                wheel = found_wheel
+            elif found_wheel.version_tuple > wheel.version_tuple:
+                wheel = found_wheel
+    return wheel
+
+
+def load_embed_wheel(app_data, distribution, for_py_version, version):
+    wheel = get_embed_wheel(distribution, for_py_version)
+    if wheel is not None:
+        version_match = version == wheel.version
+        if version is None or version_match:
+            with app_data.ensure_extracted(wheel.path, lambda: app_data.house) as wheel_path:
+                wheel = Wheel(wheel_path)
+        else:  # if version does not match ignore
+            wheel = None
+    return wheel
+
+
+def from_dir(distribution, version, for_py_version, directories):
+    """
+    Load a compatible wheel from a given folder.
+    """
+    for folder in directories:
+        for wheel in discover_wheels(folder, distribution, version, for_py_version):
+            return wheel
+    return None