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