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unix.py
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from __future__ import annotations import os import sys from configparser import ConfigParser from pathlib import Path from .api import PlatformDirsABC if sys.platform.startswith("linux"): # pragma: no branch # no op check, only to please the type checker from os import getuid else: def getuid() -> int: raise RuntimeError("should only be used on Linux") class Unix(PlatformDirsABC): """ 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 show 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>`. """ @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/$version`` """ path = os.environ.get("XDG_DATA_HOME", "") if not path.strip(): path = os.path.expanduser("~/.local/share") return self._append_app_name_and_version(path) @property def site_data_dir(self) -> str: """ :return: data directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is enabled and ``XDG_DATA_DIR`` is set and a multi path the response is also a multi path separated by the OS path separator), e.g. ``/usr/local/share/$appname/$version`` or ``/usr/share/$appname/$version`` """ # XDG default for $XDG_DATA_DIRS; only first, if multipath is False path = os.environ.get("XDG_DATA_DIRS", "") if not path.strip(): path = f"/usr/local/share{os.pathsep}/usr/share" return self._with_multi_path(path) def _with_multi_path(self, path: str) -> str: path_list = path.split(os.pathsep) if not self.multipath: path_list = path_list[0:1] path_list = [self._append_app_name_and_version(os.path.expanduser(p)) for p in path_list] return os.pathsep.join(path_list) @property def user_config_dir(self) -> str: """ :return: config directory tied to the user, e.g. ``~/.config/$appname/$version`` or ``$XDG_CONFIG_HOME/$appname/$version`` """ path = os.environ.get("XDG_CONFIG_HOME", "") if not path.strip(): path = os.path.expanduser("~/.config") return self._append_app_name_and_version(path) @property def site_config_dir(self) -> str: """ :return: config directories shared by users (if `multipath <platformdirs.api.PlatformDirsABC.multipath>` is enabled and ``XDG_DATA_DIR`` 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 $XDG_CONFIG_DIRS only first, if multipath is False path = os.environ.get("XDG_CONFIG_DIRS", "") if not path.strip(): path = "/etc/xdg" return self._with_multi_path(path) @property def user_cache_dir(self) -> str: """ :return: cache directory tied to the user, e.g. ``~/.cache/$appname/$version`` or ``~/$XDG_CACHE_HOME/$appname/$version`` """ path = os.environ.get("XDG_CACHE_HOME", "") if not path.strip(): path = os.path.expanduser("~/.cache") return self._append_app_name_and_version(path) @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/$version`` """ path = os.environ.get("XDG_STATE_HOME", "") if not path.strip(): path = os.path.expanduser("~/.local/state") return self._append_app_name_and_version(path) @property def user_log_dir(self) -> str: """ :return: log directory tied to the user, same as `user_data_dir` if not opinionated else ``log`` in it """ path = self.user_cache_dir if self.opinion: path = os.path.join(path, "log") return path @property def user_documents_dir(self) -> str: """ :return: documents directory tied to the user, e.g. ``~/Documents`` """ documents_dir = _get_user_dirs_folder("XDG_DOCUMENTS_DIR") if documents_dir is None: documents_dir = os.environ.get("XDG_DOCUMENTS_DIR", "").strip() if not documents_dir: documents_dir = os.path.expanduser("~/Documents") return documents_dir @property def user_runtime_dir(self) -> str: """ :return: runtime directory tied to the user, e.g. ``/run/user/$(id -u)/$appname/$version`` or ``$XDG_RUNTIME_DIR/$appname/$version`` """ path = os.environ.get("XDG_RUNTIME_DIR", "") if not path.strip(): path = f"/run/user/{getuid()}" return self._append_app_name_and_version(path) @property def site_data_path(self) -> Path: """:return: data path shared by users. Only return first item, even if ``multipath`` is set to ``True``""" return self._first_item_as_path_if_multipath(self.site_data_dir) @property def site_config_path(self) -> Path: """:return: config path shared by the users. Only return first item, even if ``multipath`` is set to ``True``""" return self._first_item_as_path_if_multipath(self.site_config_dir) def _first_item_as_path_if_multipath(self, directory: str) -> Path: if self.multipath: # If multipath is True, the first path is returned. directory = directory.split(os.pathsep)[0] return Path(directory) def _get_user_dirs_folder(key: str) -> str | None: """Return directory from user-dirs.dirs config file. See https://freedesktop.org/wiki/Software/xdg-user-dirs/""" user_dirs_config_path = os.path.join(Unix().user_config_dir, "user-dirs.dirs") if os.path.exists(user_dirs_config_path): parser = ConfigParser() with open(user_dirs_config_path) as stream: # Add fake section header, so ConfigParser doesn't complain parser.read_string(f"[top]\n{stream.read()}") if key not in parser["top"]: return None path = parser["top"][key].strip('"') # Handle relative home paths path = path.replace("$HOME", os.path.expanduser("~")) return path return None __all__ = [ "Unix", ]