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273 lines
10 KiB
Python
273 lines
10 KiB
Python
"""Unix."""
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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 configparser import ConfigParser
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from pathlib import Path
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from typing import TYPE_CHECKING, NoReturn
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from .api import PlatformDirsABC
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if TYPE_CHECKING:
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from collections.abc import Iterator
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if sys.platform == "win32":
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def getuid() -> NoReturn:
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msg = "should only be used on Unix"
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raise RuntimeError(msg)
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else:
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from os import getuid
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class Unix(PlatformDirsABC): # noqa: PLR0904
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"""
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On Unix/Linux, we follow the `XDG Basedir Spec <https://specifications.freedesktop.org/basedir-spec/basedir-spec-
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latest.html>`_.
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The spec allows overriding directories with environment variables. The examples shown are the default values,
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alongside the name of the environment variable that overrides them. Makes use of the `appname
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<platformdirs.api.PlatformDirsABC.appname>`, `version <platformdirs.api.PlatformDirsABC.version>`, `multipath
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<platformdirs.api.PlatformDirsABC.multipath>`, `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. ``~/.local/share/$appname/$version`` or
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``$XDG_DATA_HOME/$appname/$version``
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"""
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path = os.environ.get("XDG_DATA_HOME", "")
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if not path.strip():
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path = os.path.expanduser("~/.local/share") # noqa: PTH111
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return self._append_app_name_and_version(path)
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@property
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def _site_data_dirs(self) -> list[str]:
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path = os.environ.get("XDG_DATA_DIRS", "")
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if not path.strip():
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path = f"/usr/local/share{os.pathsep}/usr/share"
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return [self._append_app_name_and_version(p) for p in path.split(os.pathsep)]
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@property
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def site_data_dir(self) -> str:
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"""
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:return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is
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enabled and ``XDG_DATA_DIRS`` is set and a multi path the response is also a multi path separated by the
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OS path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version``
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"""
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# XDG default for $XDG_DATA_DIRS; only first, if multipath is False
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dirs = self._site_data_dirs
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if not self.multipath:
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return dirs[0]
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return os.pathsep.join(dirs)
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@property
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def user_config_dir(self) -> str:
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"""
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:return: config directory tied to the user, e.g. ``~/.config/$appname/$version`` or
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``$XDG_CONFIG_HOME/$appname/$version``
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"""
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path = os.environ.get("XDG_CONFIG_HOME", "")
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if not path.strip():
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path = os.path.expanduser("~/.config") # noqa: PTH111
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return self._append_app_name_and_version(path)
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@property
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def _site_config_dirs(self) -> list[str]:
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path = os.environ.get("XDG_CONFIG_DIRS", "")
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if not path.strip():
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path = "/etc/xdg"
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return [self._append_app_name_and_version(p) for p in path.split(os.pathsep)]
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@property
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def site_config_dir(self) -> str:
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"""
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:return: config directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>`
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is enabled and ``XDG_CONFIG_DIRS`` is set and a multi path the response is also a multi path separated by
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the OS path separator), e.g. ``/etc/xdg/$appname/$version``
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"""
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# XDG default for $XDG_CONFIG_DIRS only first, if multipath is False
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dirs = self._site_config_dirs
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if not self.multipath:
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return dirs[0]
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return os.pathsep.join(dirs)
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@property
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def user_cache_dir(self) -> str:
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"""
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:return: cache directory tied to the user, e.g. ``~/.cache/$appname/$version`` or
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``~/$XDG_CACHE_HOME/$appname/$version``
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"""
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path = os.environ.get("XDG_CACHE_HOME", "")
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if not path.strip():
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path = os.path.expanduser("~/.cache") # noqa: PTH111
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return self._append_app_name_and_version(path)
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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. ``/var/cache/$appname/$version``"""
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return self._append_app_name_and_version("/var/cache")
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@property
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def user_state_dir(self) -> str:
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"""
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:return: state directory tied to the user, e.g. ``~/.local/state/$appname/$version`` or
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``$XDG_STATE_HOME/$appname/$version``
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"""
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path = os.environ.get("XDG_STATE_HOME", "")
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if not path.strip():
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path = os.path.expanduser("~/.local/state") # noqa: PTH111
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return self._append_app_name_and_version(path)
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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_state_dir` if not opinionated else ``log`` in it"""
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path = self.user_state_dir
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if self.opinion:
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path = os.path.join(path, "log") # 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. ``~/Documents``"""
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return _get_user_media_dir("XDG_DOCUMENTS_DIR", "~/Documents")
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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. ``~/Downloads``"""
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return _get_user_media_dir("XDG_DOWNLOAD_DIR", "~/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. ``~/Pictures``"""
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return _get_user_media_dir("XDG_PICTURES_DIR", "~/Pictures")
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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. ``~/Videos``"""
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return _get_user_media_dir("XDG_VIDEOS_DIR", "~/Videos")
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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. ``~/Music``"""
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return _get_user_media_dir("XDG_MUSIC_DIR", "~/Music")
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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. ``~/Desktop``"""
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return _get_user_media_dir("XDG_DESKTOP_DIR", "~/Desktop")
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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. ``/run/user/$(id -u)/$appname/$version`` or
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``$XDG_RUNTIME_DIR/$appname/$version``.
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For FreeBSD/OpenBSD/NetBSD, it would return ``/var/run/user/$(id -u)/$appname/$version`` if
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exists, otherwise ``/tmp/runtime-$(id -u)/$appname/$version``, if``$XDG_RUNTIME_DIR``
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is not set.
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"""
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path = os.environ.get("XDG_RUNTIME_DIR", "")
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if not path.strip():
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if sys.platform.startswith(("freebsd", "openbsd", "netbsd")):
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path = f"/var/run/user/{getuid()}"
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if not Path(path).exists():
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path = f"/tmp/runtime-{getuid()}" # noqa: S108
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else:
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path = f"/run/user/{getuid()}"
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return self._append_app_name_and_version(path)
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@property
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def site_runtime_dir(self) -> str:
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"""
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:return: runtime directory shared by users, e.g. ``/run/$appname/$version`` or \
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``$XDG_RUNTIME_DIR/$appname/$version``.
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Note that this behaves almost exactly like `user_runtime_dir` if ``$XDG_RUNTIME_DIR`` is set, but will
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fall back to paths associated to the root user instead of a regular logged-in user if it's not set.
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If you wish to ensure that a logged-in root user path is returned e.g. ``/run/user/0``, use `user_runtime_dir`
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instead.
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For FreeBSD/OpenBSD/NetBSD, it would return ``/var/run/$appname/$version`` if ``$XDG_RUNTIME_DIR`` is not set.
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"""
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path = os.environ.get("XDG_RUNTIME_DIR", "")
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if not path.strip():
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if sys.platform.startswith(("freebsd", "openbsd", "netbsd")):
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path = "/var/run"
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else:
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path = "/run"
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return self._append_app_name_and_version(path)
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@property
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def site_data_path(self) -> Path:
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""":return: data path shared by users. Only return the first item, even if ``multipath`` is set to ``True``"""
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return self._first_item_as_path_if_multipath(self.site_data_dir)
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@property
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def site_config_path(self) -> Path:
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""":return: config path shared by the users, returns the first item, even if ``multipath`` is set to ``True``"""
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return self._first_item_as_path_if_multipath(self.site_config_dir)
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@property
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def site_cache_path(self) -> Path:
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""":return: cache path shared by users. Only return the first item, even if ``multipath`` is set to ``True``"""
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return self._first_item_as_path_if_multipath(self.site_cache_dir)
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def iter_config_dirs(self) -> Iterator[str]:
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""":yield: all user and site configuration directories."""
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yield self.user_config_dir
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yield from self._site_config_dirs
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def iter_data_dirs(self) -> Iterator[str]:
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""":yield: all user and site data directories."""
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yield self.user_data_dir
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yield from self._site_data_dirs
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def _get_user_media_dir(env_var: str, fallback_tilde_path: str) -> str:
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media_dir = _get_user_dirs_folder(env_var)
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if media_dir is None:
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media_dir = os.environ.get(env_var, "").strip()
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if not media_dir:
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media_dir = os.path.expanduser(fallback_tilde_path) # noqa: PTH111
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return media_dir
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def _get_user_dirs_folder(key: str) -> str | None:
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"""
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Return directory from user-dirs.dirs config file.
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See https://freedesktop.org/wiki/Software/xdg-user-dirs/.
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"""
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user_dirs_config_path = Path(Unix().user_config_dir) / "user-dirs.dirs"
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if user_dirs_config_path.exists():
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parser = ConfigParser()
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with user_dirs_config_path.open() as stream:
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# Add fake section header, so ConfigParser doesn't complain
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parser.read_string(f"[top]\n{stream.read()}")
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if key not in parser["top"]:
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return None
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path = parser["top"][key].strip('"')
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# Handle relative home paths
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return path.replace("$HOME", os.path.expanduser("~")) # noqa: PTH111
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return None
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__all__ = [
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"Unix",
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]
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