Initial commit. Basic models mostly done.

venv/lib/python3.8/site-packages/pip/_internal/utils/appdirs.py

@@ -0,0 +1,41 @@
+"""
+This code wraps the vendored appdirs module to so the return values are
+compatible for the current pip code base.
+
+The intention is to rewrite current usages gradually, keeping the tests pass,
+and eventually drop this after all usages are changed.
+"""
+
+from __future__ import absolute_import
+
+import os
+
+from pip._vendor import appdirs as _appdirs
+
+from pip._internal.utils.typing import MYPY_CHECK_RUNNING
+
+if MYPY_CHECK_RUNNING:
+    from typing import List
+
+
+def user_cache_dir(appname):
+    # type: (str) -> str
+    return _appdirs.user_cache_dir(appname, appauthor=False)
+
+
+def user_config_dir(appname, roaming=True):
+    # type: (str, bool) -> str
+    return _appdirs.user_config_dir(appname, appauthor=False, roaming=roaming)
+
+
+def user_data_dir(appname, roaming=False):
+    # type: (str, bool) -> str
+    return _appdirs.user_data_dir(appname, appauthor=False, roaming=roaming)
+
+
+def site_config_dirs(appname):
+    # type: (str) -> List[str]
+    dirval = _appdirs.site_config_dir(appname, appauthor=False, multipath=True)
+    if _appdirs.system not in ["win32", "darwin"]:
+        return dirval.split(os.pathsep)
+    return [dirval]