2026-02-23 12:45:51 +00:00

370 lines
14 KiB
Python

"""Windows."""
from __future__ import annotations
import os
import sys
from typing import TYPE_CHECKING, Final
from .api import PlatformDirsABC
if TYPE_CHECKING:
from collections.abc import Callable
# Not exposed by CPython; defined in the Windows SDK (shlobj_core.h)
_KF_FLAG_DONT_VERIFY: Final[int] = 0x00004000
class Windows(PlatformDirsABC): # noqa: PLR0904
"""`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:
r""":returns: 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:
r""":returns: 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:
""":returns: config directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def site_config_dir(self) -> str:
""":returns: config directory shared by users, same as `site_data_dir`"""
return self.site_data_dir
@property
def user_cache_dir(self) -> str:
r""":returns: 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:
r""":returns: 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:
""":returns: state directory tied to the user, same as `user_data_dir`"""
return self.user_data_dir
@property
def site_state_dir(self) -> str:
""":returns: state directory shared by users, same as `site_data_dir`"""
return self.site_data_dir
@property
def user_log_dir(self) -> str:
""":returns: 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 site_log_dir(self) -> str:
""":returns: log directory shared by users, same as `site_data_dir` if not opinionated else ``Logs`` in it"""
path = self.site_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:
r""":returns: 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:
r""":returns: 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:
r""":returns: 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:
r""":returns: 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:
r""":returns: 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:
r""":returns: desktop directory tied to the user, e.g. ``%USERPROFILE%\Desktop``"""
return os.path.normpath(get_win_folder("CSIDL_DESKTOPDIRECTORY"))
@property
def user_bin_dir(self) -> str:
r""":returns: bin directory tied to the user, e.g. ``%LOCALAPPDATA%\Programs``"""
return os.path.normpath(os.path.join(get_win_folder("CSIDL_LOCAL_APPDATA"), "Programs")) # noqa: PTH118
@property
def site_bin_dir(self) -> str:
""":returns: bin directory shared by users, e.g. ``C:\\ProgramData\bin``"""
return os.path.normpath(os.path.join(get_win_folder("CSIDL_COMMON_APPDATA"), "bin")) # noqa: PTH118
@property
def user_applications_dir(self) -> str:
r""":returns: applications directory tied to the user, e.g. ``Start Menu\Programs``"""
return os.path.normpath(get_win_folder("CSIDL_PROGRAMS"))
@property
def site_applications_dir(self) -> str:
r""":returns: applications directory shared by users, e.g. ``C:\ProgramData\Microsoft\Windows\Start Menu\Programs``"""
return os.path.normpath(get_win_folder("CSIDL_COMMON_PROGRAMS"))
@property
def user_runtime_dir(self) -> str:
r""":returns: 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:
""":returns: 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: # noqa: PLR0911
"""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
if csidl_name == "CSIDL_PROGRAMS":
return os.path.join( # noqa: PTH118
os.path.normpath(os.environ["APPDATA"]),
"Microsoft",
"Windows",
"Start Menu",
"Programs",
)
if csidl_name == "CSIDL_COMMON_PROGRAMS":
return os.path.join( # noqa: PTH118
os.path.normpath(os.environ.get("PROGRAMDATA", os.environ.get("ALLUSERSPROFILE", "C:\\ProgramData"))),
"Microsoft",
"Windows",
"Start Menu",
"Programs",
)
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.
"""
machine_names = {
"CSIDL_COMMON_APPDATA",
"CSIDL_COMMON_PROGRAMS",
}
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",
"CSIDL_PROGRAMS": "Programs",
"CSIDL_COMMON_PROGRAMS": "Common Programs",
}.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
# Use HKEY_LOCAL_MACHINE for system-wide folders, HKEY_CURRENT_USER for user-specific folders
hkey = winreg.HKEY_LOCAL_MACHINE if csidl_name in machine_names else winreg.HKEY_CURRENT_USER
key = winreg.OpenKey(hkey, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
directory, _ = winreg.QueryValueEx(key, shell_folder_name)
return str(directory)
_KNOWN_FOLDER_GUIDS: dict[str, str] = {
"CSIDL_APPDATA": "{3EB685DB-65F9-4CF6-A03A-E3EF65729F3D}",
"CSIDL_COMMON_APPDATA": "{62AB5D82-FDC1-4DC3-A9DD-070D1D495D97}",
"CSIDL_LOCAL_APPDATA": "{F1B32785-6FBA-4FCF-9D55-7B8E7F157091}",
"CSIDL_PERSONAL": "{FDD39AD0-238F-46AF-ADB4-6C85480369C7}",
"CSIDL_MYPICTURES": "{33E28130-4E1E-4676-835A-98395C3BC3BB}",
"CSIDL_MYVIDEO": "{18989B1D-99B5-455B-841C-AB7C74E4DDFC}",
"CSIDL_MYMUSIC": "{4BD8D571-6D19-48D3-BE97-422220080E43}",
"CSIDL_DOWNLOADS": "{374DE290-123F-4565-9164-39C4925E467B}",
"CSIDL_DESKTOPDIRECTORY": "{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}",
"CSIDL_PROGRAMS": "{A77F5D77-2E2B-44C3-A6A2-ABA601054A51}",
"CSIDL_COMMON_PROGRAMS": "{0139D44E-6AFE-49F2-8690-3DAFCAE6FFB8}",
}
def get_win_folder_via_ctypes(csidl_name: str) -> str:
"""Get folder via :func:`SHGetKnownFolderPath`.
See https://learn.microsoft.com/en-us/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderpath.
"""
if sys.platform != "win32": # only needed for type checker to know that this code runs only on Windows
raise NotImplementedError
from ctypes import HRESULT, POINTER, Structure, WinDLL, byref, create_unicode_buffer, wintypes # noqa: PLC0415
class _GUID(Structure):
_fields_ = [
("Data1", wintypes.DWORD),
("Data2", wintypes.WORD),
("Data3", wintypes.WORD),
("Data4", wintypes.BYTE * 8),
]
ole32 = WinDLL("ole32")
ole32.CLSIDFromString.restype = HRESULT
ole32.CLSIDFromString.argtypes = [wintypes.LPCOLESTR, POINTER(_GUID)]
ole32.CoTaskMemFree.restype = None
ole32.CoTaskMemFree.argtypes = [wintypes.LPVOID]
shell32 = WinDLL("shell32")
shell32.SHGetKnownFolderPath.restype = HRESULT
shell32.SHGetKnownFolderPath.argtypes = [POINTER(_GUID), wintypes.DWORD, wintypes.HANDLE, POINTER(wintypes.LPWSTR)]
kernel32 = WinDLL("kernel32")
kernel32.GetShortPathNameW.restype = wintypes.DWORD
kernel32.GetShortPathNameW.argtypes = [wintypes.LPWSTR, wintypes.LPWSTR, wintypes.DWORD]
folder_guid = _KNOWN_FOLDER_GUIDS.get(csidl_name)
if folder_guid is None:
msg = f"Unknown CSIDL name: {csidl_name}"
raise ValueError(msg)
guid = _GUID()
ole32.CLSIDFromString(folder_guid, byref(guid))
path_ptr = wintypes.LPWSTR()
shell32.SHGetKnownFolderPath(byref(guid), _KF_FLAG_DONT_VERIFY, None, byref(path_ptr))
result = path_ptr.value
ole32.CoTaskMemFree(path_ptr)
if result is None:
msg = f"SHGetKnownFolderPath returned NULL for {csidl_name}"
raise ValueError(msg)
if any(ord(c) > 255 for c in result): # noqa: PLR2004
buf = create_unicode_buffer(1024)
if kernel32.GetShortPathNameW(result, buf, 1024):
result = buf.value
return result
def _pick_get_win_folder() -> Callable[[str], str]:
"""Select the best method to resolve Windows folder paths: ctypes, then registry, then environment variables."""
try:
import ctypes # noqa: PLC0415, F401
except ImportError:
pass
else:
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
_resolve_win_folder = _pick_get_win_folder()
def get_win_folder(csidl_name: str) -> str:
"""Get a Windows folder path, checking for ``WIN_PD_OVERRIDE_*`` environment variable overrides first.
For example, ``CSIDL_LOCAL_APPDATA`` can be overridden by setting ``WIN_PD_OVERRIDE_LOCAL_APPDATA``.
"""
env_var = f"WIN_PD_OVERRIDE_{csidl_name.removeprefix('CSIDL_')}"
if override := os.environ.get(env_var, "").strip():
return override
return _resolve_win_folder(csidl_name)
__all__ = [
"Windows",
]