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1"""Windows."""
2from __future__ import annotations
3
4import ctypes
5import os
6import sys
7from functools import lru_cache
8from typing import TYPE_CHECKING
9
10from .api import PlatformDirsABC
11
12if TYPE_CHECKING:
13 from collections.abc import Callable
14
15
16class Windows(PlatformDirsABC):
17 """
18 `MSDN on where to store app data files
19 <http://support.microsoft.com/default.aspx?scid=kb;en-us;310294#XSLTH3194121123120121120120>`_.
20 Makes use of the
21 `appname <platformdirs.api.PlatformDirsABC.appname>`,
22 `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`,
23 `version <platformdirs.api.PlatformDirsABC.version>`,
24 `roaming <platformdirs.api.PlatformDirsABC.roaming>`,
25 `opinion <platformdirs.api.PlatformDirsABC.opinion>`,
26 `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
27 """
28
29 @property
30 def user_data_dir(self) -> str:
31 """
32 :return: data directory tied to the user, e.g.
33 ``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname`` (not roaming) or
34 ``%USERPROFILE%\\AppData\\Roaming\\$appauthor\\$appname`` (roaming)
35 """
36 const = "CSIDL_APPDATA" if self.roaming else "CSIDL_LOCAL_APPDATA"
37 path = os.path.normpath(get_win_folder(const))
38 return self._append_parts(path)
39
40 def _append_parts(self, path: str, *, opinion_value: str | None = None) -> str:
41 params = []
42 if self.appname:
43 if self.appauthor is not False:
44 author = self.appauthor or self.appname
45 params.append(author)
46 params.append(self.appname)
47 if opinion_value is not None and self.opinion:
48 params.append(opinion_value)
49 if self.version:
50 params.append(self.version)
51 path = os.path.join(path, *params) # noqa: PTH118
52 self._optionally_create_directory(path)
53 return path
54
55 @property
56 def site_data_dir(self) -> str:
57 """:return: data directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname``"""
58 path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
59 return self._append_parts(path)
60
61 @property
62 def user_config_dir(self) -> str:
63 """:return: config directory tied to the user, same as `user_data_dir`"""
64 return self.user_data_dir
65
66 @property
67 def site_config_dir(self) -> str:
68 """:return: config directory shared by the users, same as `site_data_dir`"""
69 return self.site_data_dir
70
71 @property
72 def user_cache_dir(self) -> str:
73 """
74 :return: cache directory tied to the user (if opinionated with ``Cache`` folder within ``$appname``) e.g.
75 ``%USERPROFILE%\\AppData\\Local\\$appauthor\\$appname\\Cache\\$version``
76 """
77 path = os.path.normpath(get_win_folder("CSIDL_LOCAL_APPDATA"))
78 return self._append_parts(path, opinion_value="Cache")
79
80 @property
81 def site_cache_dir(self) -> str:
82 """:return: cache directory shared by users, e.g. ``C:\\ProgramData\\$appauthor\\$appname\\Cache\\$version``"""
83 path = os.path.normpath(get_win_folder("CSIDL_COMMON_APPDATA"))
84 return self._append_parts(path, opinion_value="Cache")
85
86 @property
87 def user_state_dir(self) -> str:
88 """:return: state directory tied to the user, same as `user_data_dir`"""
89 return self.user_data_dir
90
91 @property
92 def user_log_dir(self) -> str:
93 """:return: log directory tied to the user, same as `user_data_dir` if not opinionated else ``Logs`` in it"""
94 path = self.user_data_dir
95 if self.opinion:
96 path = os.path.join(path, "Logs") # noqa: PTH118
97 self._optionally_create_directory(path)
98 return path
99
100 @property
101 def user_documents_dir(self) -> str:
102 """:return: documents directory tied to the user e.g. ``%USERPROFILE%\\Documents``"""
103 return os.path.normpath(get_win_folder("CSIDL_PERSONAL"))
104
105 @property
106 def user_downloads_dir(self) -> str:
107 """:return: downloads directory tied to the user e.g. ``%USERPROFILE%\\Downloads``"""
108 return os.path.normpath(get_win_folder("CSIDL_DOWNLOADS"))
109
110 @property
111 def user_pictures_dir(self) -> str:
112 """:return: pictures directory tied to the user e.g. ``%USERPROFILE%\\Pictures``"""
113 return os.path.normpath(get_win_folder("CSIDL_MYPICTURES"))
114
115 @property
116 def user_videos_dir(self) -> str:
117 """:return: videos directory tied to the user e.g. ``%USERPROFILE%\\Videos``"""
118 return os.path.normpath(get_win_folder("CSIDL_MYVIDEO"))
119
120 @property
121 def user_music_dir(self) -> str:
122 """:return: music directory tied to the user e.g. ``%USERPROFILE%\\Music``"""
123 return os.path.normpath(get_win_folder("CSIDL_MYMUSIC"))
124
125 @property
126 def user_desktop_dir(self) -> str:
127 """:return: desktop directory tied to the user, e.g. ``%USERPROFILE%\\Desktop``"""
128 return os.path.normpath(get_win_folder("CSIDL_DESKTOPDIRECTORY"))
129
130 @property
131 def user_runtime_dir(self) -> str:
132 """
133 :return: runtime directory tied to the user, e.g.
134 ``%USERPROFILE%\\AppData\\Local\\Temp\\$appauthor\\$appname``
135 """
136 path = os.path.normpath(os.path.join(get_win_folder("CSIDL_LOCAL_APPDATA"), "Temp")) # noqa: PTH118
137 return self._append_parts(path)
138
139 @property
140 def site_runtime_dir(self) -> str:
141 """:return: runtime directory shared by users, same as `user_runtime_dir`"""
142 return self.user_runtime_dir
143
144
145def get_win_folder_from_env_vars(csidl_name: str) -> str:
146 """Get folder from environment variables."""
147 result = get_win_folder_if_csidl_name_not_env_var(csidl_name)
148 if result is not None:
149 return result
150
151 env_var_name = {
152 "CSIDL_APPDATA": "APPDATA",
153 "CSIDL_COMMON_APPDATA": "ALLUSERSPROFILE",
154 "CSIDL_LOCAL_APPDATA": "LOCALAPPDATA",
155 }.get(csidl_name)
156 if env_var_name is None:
157 msg = f"Unknown CSIDL name: {csidl_name}"
158 raise ValueError(msg)
159 result = os.environ.get(env_var_name)
160 if result is None:
161 msg = f"Unset environment variable: {env_var_name}"
162 raise ValueError(msg)
163 return result
164
165
166def get_win_folder_if_csidl_name_not_env_var(csidl_name: str) -> str | None:
167 """Get folder for a CSIDL name that does not exist as an environment variable."""
168 if csidl_name == "CSIDL_PERSONAL":
169 return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Documents") # noqa: PTH118
170
171 if csidl_name == "CSIDL_DOWNLOADS":
172 return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Downloads") # noqa: PTH118
173
174 if csidl_name == "CSIDL_MYPICTURES":
175 return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Pictures") # noqa: PTH118
176
177 if csidl_name == "CSIDL_MYVIDEO":
178 return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Videos") # noqa: PTH118
179
180 if csidl_name == "CSIDL_MYMUSIC":
181 return os.path.join(os.path.normpath(os.environ["USERPROFILE"]), "Music") # noqa: PTH118
182 return None
183
184
185def get_win_folder_from_registry(csidl_name: str) -> str:
186 """
187 Get folder from the registry.
188
189 This is a fallback technique at best. I'm not sure if using the registry for these guarantees us the correct answer
190 for all CSIDL_* names.
191 """
192 shell_folder_name = {
193 "CSIDL_APPDATA": "AppData",
194 "CSIDL_COMMON_APPDATA": "Common AppData",
195 "CSIDL_LOCAL_APPDATA": "Local AppData",
196 "CSIDL_PERSONAL": "Personal",
197 "CSIDL_DOWNLOADS": "{374DE290-123F-4565-9164-39C4925E467B}",
198 "CSIDL_MYPICTURES": "My Pictures",
199 "CSIDL_MYVIDEO": "My Video",
200 "CSIDL_MYMUSIC": "My Music",
201 }.get(csidl_name)
202 if shell_folder_name is None:
203 msg = f"Unknown CSIDL name: {csidl_name}"
204 raise ValueError(msg)
205 if sys.platform != "win32": # only needed for mypy type checker to know that this code runs only on Windows
206 raise NotImplementedError
207 import winreg
208
209 key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders")
210 directory, _ = winreg.QueryValueEx(key, shell_folder_name)
211 return str(directory)
212
213
214def get_win_folder_via_ctypes(csidl_name: str) -> str:
215 """Get folder with ctypes."""
216 # There is no 'CSIDL_DOWNLOADS'.
217 # Use 'CSIDL_PROFILE' (40) and append the default folder 'Downloads' instead.
218 # https://learn.microsoft.com/en-us/windows/win32/shell/knownfolderid
219
220 csidl_const = {
221 "CSIDL_APPDATA": 26,
222 "CSIDL_COMMON_APPDATA": 35,
223 "CSIDL_LOCAL_APPDATA": 28,
224 "CSIDL_PERSONAL": 5,
225 "CSIDL_MYPICTURES": 39,
226 "CSIDL_MYVIDEO": 14,
227 "CSIDL_MYMUSIC": 13,
228 "CSIDL_DOWNLOADS": 40,
229 "CSIDL_DESKTOPDIRECTORY": 16,
230 }.get(csidl_name)
231 if csidl_const is None:
232 msg = f"Unknown CSIDL name: {csidl_name}"
233 raise ValueError(msg)
234
235 buf = ctypes.create_unicode_buffer(1024)
236 windll = getattr(ctypes, "windll") # noqa: B009 # using getattr to avoid false positive with mypy type checker
237 windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
238
239 # Downgrade to short path name if it has high-bit chars.
240 if any(ord(c) > 255 for c in buf): # noqa: PLR2004
241 buf2 = ctypes.create_unicode_buffer(1024)
242 if windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
243 buf = buf2
244
245 if csidl_name == "CSIDL_DOWNLOADS":
246 return os.path.join(buf.value, "Downloads") # noqa: PTH118
247
248 return buf.value
249
250
251def _pick_get_win_folder() -> Callable[[str], str]:
252 if hasattr(ctypes, "windll"):
253 return get_win_folder_via_ctypes
254 try:
255 import winreg # noqa: F401
256 except ImportError:
257 return get_win_folder_from_env_vars
258 else:
259 return get_win_folder_from_registry
260
261
262get_win_folder = lru_cache(maxsize=None)(_pick_get_win_folder())
263
264__all__ = [
265 "Windows",
266]