Edit File: unix.py
"""Unix.""" from __future__ import annotations import os import sys from configparser import ConfigParser from pathlib import Path from typing import TYPE_CHECKING, NoReturn from .api import PlatformDirsABC if TYPE_CHECKING: from collections.abc import Iterator if sys.platform == "win32": def getuid() -> NoReturn: msg = "should only be used on Unix" raise RuntimeError(msg) else: from os import getuid class Unix(PlatformDirsABC): # noqa: PLR0904 """ On Unix/Linux, we follow the `XDG Basedir Spec <https://specifications.freedesktop.org/basedir-spec/basedir-spec- latest.html>`_. The spec allows overriding directories with environment variables. The examples shown are the default values, alongside the name of the environment variable that overrides them. Makes use of the `appname <platformdirs.api.PlatformDirsABC.appname>`, `version <platformdirs.api.PlatformDirsABC.version>`, `multipath <platformdirs.api.PlatformDirsABC.multipath>`, `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. ``~/.local/share/$appname/$version`` or ``$XDG_DATA_HOME/$appname/$version`` """ path = os.environ.get("XDG_DATA_HOME", "") if not path.strip(): path = os.path.expanduser("~/.local/share") # noqa: PTH111 return self._append_app_name_and_version(path) @property def _site_data_dirs(self) -> list[str]: path = os.environ.get("XDG_DATA_DIRS", "") if not path.strip(): path = f"/usr/local/share{os.pathsep}/usr/share" return [self._append_app_name_and_version(p) for p in path.split(os.pathsep)] @property def site_data_dir(self) -> str: """ :return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is enabled and ``XDG_DATA_DIRS`` is set and a multi path the response is also a multi path separated by the OS path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version`` """ # XDG default for $XDG_DATA_DIRS; only first, if multipath is False dirs = self._site_data_dirs if not self.multipath: return dirs[0] return os.pathsep.join(dirs) @property def user_config_dir(self) -> str: """ :return: config directory tied to the user, e.g. ``~/.config/$appname/$version`` or ``$XDG_CONFIG_HOME/$appname/$version`` """ path = os.environ.get("XDG_CONFIG_HOME", "") if not path.strip(): path = os.path.expanduser("~/.config") # noqa: PTH111 return self._append_app_name_and_version(path) @property def _site_config_dirs(self) -> list[str]: path = os.environ.get("XDG_CONFIG_DIRS", "") if not path.strip(): path = "/etc/xdg" return [self._append_app_name_and_version(p) for p in path.split(os.pathsep)] @property def site_config_dir(self) -> str: """ :return: config directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is enabled and ``XDG_CONFIG_DIRS`` is set and a multi path the response is also a multi path separated by the OS path separator), e.g. ``/etc/xdg/$appname/$version`` """ # XDG default for $XDG_CONFIG_DIRS only first, if multipath is False dirs = self._site_config_dirs if not self.multipath: return dirs[0] return os.pathsep.join(dirs) @property def user_cache_dir(self) -> str: """ :return: cache directory tied to the user, e.g. ``~/.cache/$appname/$version`` or ``~/$XDG_CACHE_HOME/$appname/$version`` """ path = os.environ.get("XDG_CACHE_HOME", "") if not path.strip(): path = os.path.expanduser("~/.cache") # noqa: PTH111 return self._append_app_name_and_version(path) @property def site_cache_dir(self) -> str: """:return: cache directory shared by users, e.g. ``/var/cache/$appname/$version``""" return self._append_app_name_and_version("/var/cache") @property def user_state_dir(self) -> str: """ :return: state directory tied to the user, e.g. ``~/.local/state/$appname/$version`` or ``$XDG_STATE_HOME/$appname/$version`` """ path = os.environ.get("XDG_STATE_HOME", "") if not path.strip(): path = os.path.expanduser("~/.local/state") # noqa: PTH111 return self._append_app_name_and_version(path) @property def user_log_dir(self) -> str: """:return: log directory tied to the user, same as `user_state_dir` if not opinionated else ``log`` in it""" path = self.user_state_dir if self.opinion: path = os.path.join(path, "log") # noqa: PTH118 self._optionally_create_directory(path) return path @property def user_documents_dir(self) -> str: """:return: documents directory tied to the user, e.g. ``~/Documents``""" return _get_user_media_dir("XDG_DOCUMENTS_DIR", "~/Documents") @property def user_downloads_dir(self) -> str: """:return: downloads directory tied to the user, e.g. ``~/Downloads``""" return _get_user_media_dir("XDG_DOWNLOAD_DIR", "~/Downloads") @property def user_pictures_dir(self) -> str: """:return: pictures directory tied to the user, e.g. ``~/Pictures``""" return _get_user_media_dir("XDG_PICTURES_DIR", "~/Pictures") @property def user_videos_dir(self) -> str: """:return: videos directory tied to the user, e.g. ``~/Videos``""" return _get_user_media_dir("XDG_VIDEOS_DIR", "~/Videos") @property def user_music_dir(self) -> str: """:return: music directory tied to the user, e.g. ``~/Music``""" return _get_user_media_dir("XDG_MUSIC_DIR", "~/Music") @property def user_desktop_dir(self) -> str: """:return: desktop directory tied to the user, e.g. ``~/Desktop``""" return _get_user_media_dir("XDG_DESKTOP_DIR", "~/Desktop") @property def user_runtime_dir(self) -> str: """ :return: runtime directory tied to the user, e.g. ``/run/user/$(id -u)/$appname/$version`` or ``$XDG_RUNTIME_DIR/$appname/$version``. For FreeBSD/OpenBSD/NetBSD, it would return ``/var/run/user/$(id -u)/$appname/$version`` if exists, otherwise ``/tmp/runtime-$(id -u)/$appname/$version``, if``$XDG_RUNTIME_DIR`` is not set. """ path = os.environ.get("XDG_RUNTIME_DIR", "") if not path.strip(): if sys.platform.startswith(("freebsd", "openbsd", "netbsd")): path = f"/var/run/user/{getuid()}" if not Path(path).exists(): path = f"/tmp/runtime-{getuid()}" # noqa: S108 else: path = f"/run/user/{getuid()}" return self._append_app_name_and_version(path) @property def site_runtime_dir(self) -> str: """ :return: runtime directory shared by users, e.g. ``/run/$appname/$version`` or \ ``$XDG_RUNTIME_DIR/$appname/$version``. Note that this behaves almost exactly like `user_runtime_dir` if ``$XDG_RUNTIME_DIR`` is set, but will fall back to paths associated to the root user instead of a regular logged-in user if it's not set. If you wish to ensure that a logged-in root user path is returned e.g. ``/run/user/0``, use `user_runtime_dir` instead. For FreeBSD/OpenBSD/NetBSD, it would return ``/var/run/$appname/$version`` if ``$XDG_RUNTIME_DIR`` is not set. """ path = os.environ.get("XDG_RUNTIME_DIR", "") if not path.strip(): if sys.platform.startswith(("freebsd", "openbsd", "netbsd")): path = "/var/run" else: path = "/run" return self._append_app_name_and_version(path) @property def site_data_path(self) -> Path: """:return: data path shared by users. Only return the first item, even if ``multipath`` is set to ``True``""" return self._first_item_as_path_if_multipath(self.site_data_dir) @property def site_config_path(self) -> Path: """:return: config path shared by the users, returns the first item, even if ``multipath`` is set to ``True``""" return self._first_item_as_path_if_multipath(self.site_config_dir) @property def site_cache_path(self) -> Path: """:return: cache path shared by users. Only return the first item, even if ``multipath`` is set to ``True``""" return self._first_item_as_path_if_multipath(self.site_cache_dir) def iter_config_dirs(self) -> Iterator[str]: """:yield: all user and site configuration directories.""" yield self.user_config_dir yield from self._site_config_dirs def iter_data_dirs(self) -> Iterator[str]: """:yield: all user and site data directories.""" yield self.user_data_dir yield from self._site_data_dirs def _get_user_media_dir(env_var: str, fallback_tilde_path: str) -> str: media_dir = _get_user_dirs_folder(env_var) if media_dir is None: media_dir = os.environ.get(env_var, "").strip() if not media_dir: media_dir = os.path.expanduser(fallback_tilde_path) # noqa: PTH111 return media_dir def _get_user_dirs_folder(key: str) -> str | None: """ Return directory from user-dirs.dirs config file. See https://freedesktop.org/wiki/Software/xdg-user-dirs/. """ user_dirs_config_path = Path(Unix().user_config_dir) / "user-dirs.dirs" if user_dirs_config_path.exists(): parser = ConfigParser() with user_dirs_config_path.open() as stream: # Add fake section header, so ConfigParser doesn't complain parser.read_string(f"[top]\n{stream.read()}") if key not in parser["top"]: return None path = parser["top"][key].strip('"') # Handle relative home paths return path.replace("$HOME", os.path.expanduser("~")) # noqa: PTH111 return None __all__ = [ "Unix", ]
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