Viewing file:  windows.py (9.89 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
"""Windows."""
from __future__ import annotations
import os
import sys
from functools import lru_cache
from typing import TYPE_CHECKING
from .api import PlatformDirsABC
if TYPE_CHECKING:
from collections.abc import Callable
class Windows(PlatformDirsABC):
"""
`MSDN on where to store app data files <https://learn.microsoft.com/en-us/windows/win32/shell/knownfolderid>`_.
Makes use of the `appname <platformdirs.api.PlatformDirsABC.appname>`, `appauthor
<platformdirs.api.PlatformDirsABC.appauthor>`, `version <platformdirs.api.PlatformDirsABC.version>`, `roaming
<platformdirs.api.PlatformDirsABC.roaming>`, `opinion <platformdirs.api.PlatformDirsABC.opinion>`, `ensure_exists
<platformdirs.api.PlatformDirsABC.ensure_exists>`.
"""
@property
def user_data_dir(self) -> str:
"""
:return: data directory tied to the user, e.g.
``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname`` (not roaming) or
``%USERPROFILE%\\AppData\\Roaming\\$appauthor\\$appname`` (roaming)
"""
const = "CSIDL_APPDATA" if self.roaming else "CSIDL_LOCAL_APPDATA"
path = os.path.normpath(get_win_folder(const))
return self._append_parts(path)
def _append_parts(self, path: str, *, opinion_value: str | None = None) -> str:
params = []
if self.appname:
if self.appauthor is not False:
author = self.appauthor or self.appname
params.append(author)
params.append(self.appname)
if opinion_value is not None and self.opinion:
params.append(opinion_value)
if self.version:
params.append(self.version)
path = os.path.join(path, *params) # noqa: PTH118
self._optionally_create_directory(path)
return path
@property
def site_data_dir(self) -> str:
""":return: data directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname``"""
path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
return self._append_parts(path)
@property
def user_config_dir(self) -> str:
""":return: config directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def site_config_dir(self) -> str:
""":return: config directory shared by the users, same as `site_data_dir`"""
return self.site_data_dir
@property
def user_cache_dir(self) -> str:
"""
:return: cache directory tied to the user (if opinionated with ``Cache`` folder within ``$appname``) e.g.
``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname\\Cache\\$version``
"""
path = os.path.normpath(get_win_folder("CSIDL_LOCAL_APPDATA"))
return self._append_parts(path, opinion_value="Cache")
@property
def site_cache_dir(self) -> str:
""":return: cache directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname\\Cache\\$version``"""
path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
return self._append_parts(path, opinion_value="Cache")
@property
def user_state_dir(self) -> str:
""":return: state directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def user_log_dir(self) -> str:
""":return: log directory tied to the user, same as `user_data_dir` if not opinionated else ``Logs`` in it"""
path = self.user_data_dir
if self.opinion:
path = os.path.join(path, "Logs") # noqa: PTH118
self._optionally_create_directory(path)
return path
@property
def user_documents_dir(self) -> str:
""":return: documents directory tied to the user e.g. ``%USERPROFILE%\\Documents``"""
return os.path.normpath(get_win_folder("CSIDL_PERSONAL"))
@property
def user_downloads_dir(self) -> str:
""":return: downloads directory tied to the user e.g. ``%USERPROFILE%\\Downloads``"""
return os.path.normpath(get_win_folder("CSIDL_DOWNLOADS"))
@property
def user_pictures_dir(self) -> str:
""":return: pictures directory tied to the user e.g. ``%USERPROFILE%\\Pictures``"""
return os.path.normpath(get_win_folder("CSIDL_MYPICTURES"))
@property
def user_videos_dir(self) -> str:
""":return: videos directory tied to the user e.g. ``%USERPROFILE%\\Videos``"""
return os.path.normpath(get_win_folder("CSIDL_MYVIDEO"))
@property
def user_music_dir(self) -> str:
""":return: music directory tied to the user e.g. ``%USERPROFILE%\\Music``"""
return os.path.normpath(get_win_folder("CSIDL_MYMUSIC"))
@property
def user_desktop_dir(self) -> str:
""":return: desktop directory tied to the user, e.g. ``%USERPROFILE%\\Desktop``"""
return os.path.normpath(get_win_folder("CSIDL_DESKTOPDIRECTORY"))
@property
def user_runtime_dir(self) -> str:
"""
:return: runtime directory tied to the user, e.g.
``%USERPROFILE%\\AppData\\Local\\Temp\\$appauthor\\$appname``
"""
path = os.path.normpath(os.path.join(get_win_folder("CSIDL_LOCAL_APPDATA"), "Temp")) # noqa: PTH118
return self._append_parts(path)
@property
def site_runtime_dir(self) -> str:
""":return: runtime directory shared by users, same as `user_runtime_dir`"""
return self.user_runtime_dir
def get_win_folder_from_env_vars(csidl_name: str) -> str:
"""Get folder from environment variables."""
result = get_win_folder_if_csidl_name_not_env_var(csidl_name)
if result is not None:
return result
env_var_name = {
"CSIDL_APPDATA": "APPDATA",
"CSIDL_COMMON_APPDATA": "ALLUSERSPROFILE",
"CSIDL_LOCAL_APPDATA": "LOCALAPPDATA",
}.get(csidl_name)
if env_var_name is None:
msg = f"Unknown CSIDL name: {csidl_name}"
raise ValueError(msg)
result = os.environ.get(env_var_name)
if result is None:
msg = f"Unset environment variable: {env_var_name}"
raise ValueError(msg)
return result
def get_win_folder_if_csidl_name_not_env_var(csidl_name: str) -> str | None:
"""Get a folder for a CSIDL name that does not exist as an environment variable."""
if csidl_name == "CSIDL_PERSONAL":
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Documents") # noqa: PTH118
if csidl_name == "CSIDL_DOWNLOADS":
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Downloads") # noqa: PTH118
if csidl_name == "CSIDL_MYPICTURES":
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Pictures") # noqa: PTH118
if csidl_name == "CSIDL_MYVIDEO":
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Videos") # noqa: PTH118
if csidl_name == "CSIDL_MYMUSIC":
return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Music") # noqa: PTH118
return None
def get_win_folder_from_registry(csidl_name: str) -> str:
"""
Get folder from the registry.
This is a fallback technique at best. I'm not sure if using the registry for these guarantees us the correct answer
for all CSIDL_* names.
"""
shell_folder_name = {
"CSIDL_APPDATA": "AppData",
"CSIDL_COMMON_APPDATA": "Common AppData",
"CSIDL_LOCAL_APPDATA": "Local AppData",
"CSIDL_PERSONAL": "Personal",
"CSIDL_DOWNLOADS": "{374DE290-123F-4565-9164-39C4925E467B}",
"CSIDL_MYPICTURES": "My Pictures",
"CSIDL_MYVIDEO": "My Video",
"CSIDL_MYMUSIC": "My Music",
}.get(csidl_name)
if shell_folder_name is None:
msg = f"Unknown CSIDL name: {csidl_name}"
raise ValueError(msg)
if sys.platform != "win32": # only needed for mypy type checker to know that this code runs only on Windows
raise NotImplementedError
import winreg # noqa: PLC0415
key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
directory, _ = winreg.QueryValueEx(key, shell_folder_name)
return str(directory)
def get_win_folder_via_ctypes(csidl_name: str) -> str:
"""Get folder with ctypes."""
# There is no 'CSIDL_DOWNLOADS'.
# Use 'CSIDL_PROFILE' (40) and append the default folder 'Downloads' instead.
# https://learn.microsoft.com/en-us/windows/win32/shell/knownfolderid
import ctypes # noqa: PLC0415
csidl_const = {
"CSIDL_APPDATA": 26,
"CSIDL_COMMON_APPDATA": 35,
"CSIDL_LOCAL_APPDATA": 28,
"CSIDL_PERSONAL": 5,
"CSIDL_MYPICTURES": 39,
"CSIDL_MYVIDEO": 14,
"CSIDL_MYMUSIC": 13,
"CSIDL_DOWNLOADS": 40,
"CSIDL_DESKTOPDIRECTORY": 16,
}.get(csidl_name)
if csidl_const is None:
msg = f"Unknown CSIDL name: {csidl_name}"
raise ValueError(msg)
buf = ctypes.create_unicode_buffer(1024)
windll = getattr(ctypes, "windll") # noqa: B009 # using getattr to avoid false positive with mypy type checker
windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
# Downgrade to short path name if it has high-bit chars.
if any(ord(c) > 255 for c in buf): # noqa: PLR2004
buf2 = ctypes.create_unicode_buffer(1024)
if windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
buf = buf2
if csidl_name == "CSIDL_DOWNLOADS":
return os.path.join(buf.value, "Downloads") # noqa: PTH118
return buf.value
def _pick_get_win_folder() -> Callable[[str], str]:
try:
import ctypes # noqa: PLC0415
except ImportError:
pass
else:
if hasattr(ctypes, "windll"):
return get_win_folder_via_ctypes
try:
import winreg # noqa: PLC0415, F401
except ImportError:
return get_win_folder_from_env_vars
else:
return get_win_folder_from_registry
get_win_folder = lru_cache(maxsize=None)(_pick_get_win_folder())
__all__ = [
"Windows",
]
|