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__init__.py _envs.py __init__.py search_scope.py

.venv/Lib/site-packages/pip/_vendor/platformdirs/__init__.py

"""
Utilities for determining application-specific dirs.

See <https://github.com/platformdirs/platformdirs> for details and usage.

"""

from __future__ import annotations

import os
import sys
from typing import TYPE_CHECKING

from .api import PlatformDirsABC
from .version import __version__
from .version import __version_tuple__ as __version_info__

if TYPE_CHECKING:
    from pathlib import Path
    from typing import Literal


def _set_platform_dir_class() -> type[PlatformDirsABC]:
    if sys.platform == "win32":
        from pip._vendor.platformdirs.windows import Windows as Result  # noqa: PLC0415
    elif sys.platform == "darwin":
        from pip._vendor.platformdirs.macos import MacOS as Result  # noqa: PLC0415
    else:
        from pip._vendor.platformdirs.unix import Unix as Result  # noqa: PLC0415

    if os.getenv("ANDROID_DATA") == "/data" and os.getenv("ANDROID_ROOT") == "/system":
        if os.getenv("SHELL") or os.getenv("PREFIX"):
            return Result

        from pip._vendor.platformdirs.android import _android_folder  # noqa: PLC0415

        if _android_folder() is not None:
            from pip._vendor.platformdirs.android import Android  # noqa: PLC0415

            return Android  # return to avoid redefinition of a result

    return Result


PlatformDirs = _set_platform_dir_class()  #: Currently active platform
AppDirs = PlatformDirs  #: Backwards compatibility with appdirs


def user_data_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: data directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_data_dir


def site_data_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    multipath: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: data directory shared by users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        multipath=multipath,
        ensure_exists=ensure_exists,
    ).site_data_dir


def user_config_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: config directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_config_dir


def site_config_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    multipath: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: config directory shared by the users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        multipath=multipath,
        ensure_exists=ensure_exists,
    ).site_config_dir


def user_cache_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: cache directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_cache_dir


def site_cache_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: cache directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).site_cache_dir


def user_state_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: state directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_state_dir


def user_log_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: log directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_log_dir


def user_documents_dir() -> str:
    """:returns: documents directory tied to the user"""
    return PlatformDirs().user_documents_dir


def user_downloads_dir() -> str:
    """:returns: downloads directory tied to the user"""
    return PlatformDirs().user_downloads_dir


def user_pictures_dir() -> str:
    """:returns: pictures directory tied to the user"""
    return PlatformDirs().user_pictures_dir


def user_videos_dir() -> str:
    """:returns: videos directory tied to the user"""
    return PlatformDirs().user_videos_dir


def user_music_dir() -> str:
    """:returns: music directory tied to the user"""
    return PlatformDirs().user_music_dir


def user_desktop_dir() -> str:
    """:returns: desktop directory tied to the user"""
    return PlatformDirs().user_desktop_dir


def user_runtime_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: runtime directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_runtime_dir


def site_runtime_dir(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> str:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: runtime directory shared by users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).site_runtime_dir


def user_data_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: data path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_data_path


def site_data_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    multipath: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param multipath: See `multipath <platformdirs.api.PlatformDirsABC.multipath>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: data path shared by users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        multipath=multipath,
        ensure_exists=ensure_exists,
    ).site_data_path


def user_config_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: config path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_config_path


def site_config_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    multipath: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param multipath: See `roaming <platformdirs.api.PlatformDirsABC.multipath>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: config path shared by the users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        multipath=multipath,
        ensure_exists=ensure_exists,
    ).site_config_path


def site_cache_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: cache directory tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).site_cache_path


def user_cache_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: cache path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_cache_path


def user_state_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    roaming: bool = False,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param roaming: See `roaming <platformdirs.api.PlatformDirsABC.roaming>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: state path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        roaming=roaming,
        ensure_exists=ensure_exists,
    ).user_state_path


def user_log_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `roaming <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: log path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_log_path


def user_documents_path() -> Path:
    """:returns: documents a path tied to the user"""
    return PlatformDirs().user_documents_path


def user_downloads_path() -> Path:
    """:returns: downloads path tied to the user"""
    return PlatformDirs().user_downloads_path


def user_pictures_path() -> Path:
    """:returns: pictures path tied to the user"""
    return PlatformDirs().user_pictures_path


def user_videos_path() -> Path:
    """:returns: videos path tied to the user"""
    return PlatformDirs().user_videos_path


def user_music_path() -> Path:
    """:returns: music path tied to the user"""
    return PlatformDirs().user_music_path


def user_desktop_path() -> Path:
    """:returns: desktop path tied to the user"""
    return PlatformDirs().user_desktop_path


def user_runtime_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: runtime path tied to the user
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).user_runtime_path


def site_runtime_path(
    appname: str | None = None,
    appauthor: str | None | Literal[False] = None,
    version: str | None = None,
    opinion: bool = True,  # noqa: FBT001, FBT002
    ensure_exists: bool = False,  # noqa: FBT001, FBT002
) -> Path:
    """
    :param appname: See `appname <platformdirs.api.PlatformDirsABC.appname>`.
    :param appauthor: See `appauthor <platformdirs.api.PlatformDirsABC.appauthor>`.
    :param version: See `version <platformdirs.api.PlatformDirsABC.version>`.
    :param opinion: See `opinion <platformdirs.api.PlatformDirsABC.opinion>`.
    :param ensure_exists: See `ensure_exists <platformdirs.api.PlatformDirsABC.ensure_exists>`.
    :returns: runtime path shared by users
    """
    return PlatformDirs(
        appname=appname,
        appauthor=appauthor,
        version=version,
        opinion=opinion,
        ensure_exists=ensure_exists,
    ).site_runtime_path


__all__ = [
    "AppDirs",
    "PlatformDirs",
    "PlatformDirsABC",
    "__version__",
    "__version_info__",
    "site_cache_dir",
    "site_cache_path",
    "site_config_dir",
    "site_config_path",
    "site_data_dir",
    "site_data_path",
    "site_runtime_dir",
    "site_runtime_path",
    "user_cache_dir",
    "user_cache_path",
    "user_config_dir",
    "user_config_path",
    "user_data_dir",
    "user_data_path",
    "user_desktop_dir",
    "user_desktop_path",
    "user_documents_dir",
    "user_documents_path",
    "user_downloads_dir",
    "user_downloads_path",
    "user_log_dir",
    "user_log_path",
    "user_music_dir",
    "user_music_path",
    "user_pictures_dir",
    "user_pictures_path",
    "user_runtime_dir",
    "user_runtime_path",
    "user_state_dir",
    "user_state_path",
    "user_videos_dir",
    "user_videos_path",
]

628 lines•21.8 KB

python

.venv/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py

Raw Download

import functools
import importlib.metadata
import logging
import os
import pathlib
import sys
import zipfile
import zipimport
from typing import Iterator, List, Optional, Sequence, Set, Tuple

from pip._vendor.packaging.utils import NormalizedName, canonicalize_name

from pip._internal.metadata.base import BaseDistribution, BaseEnvironment
from pip._internal.models.wheel import Wheel
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.filetypes import WHEEL_EXTENSION

from ._compat import BadMetadata, BasePath, get_dist_canonical_name, get_info_location
from ._dists import Distribution

logger = logging.getLogger(__name__)


def _looks_like_wheel(location: str) -> bool:
    if not location.endswith(WHEEL_EXTENSION):
        return False
    if not os.path.isfile(location):
        return False
    if not Wheel.wheel_file_re.match(os.path.basename(location)):
        return False
    return zipfile.is_zipfile(location)


class _DistributionFinder:
    """Finder to locate distributions.

    The main purpose of this class is to memoize found distributions' names, so
    only one distribution is returned for each package name. At lot of pip code
    assumes this (because it is setuptools's behavior), and not doing the same
    can potentially cause a distribution in lower precedence path to override a
    higher precedence one if the caller is not careful.

    Eventually we probably want to make it possible to see lower precedence
    installations as well. It's useful feature, after all.
    """

    FoundResult = Tuple[importlib.metadata.Distribution, Optional[BasePath]]

    def __init__(self) -> None:
        self._found_names: Set[NormalizedName] = set()

    def _find_impl(self, location: str) -> Iterator[FoundResult]:
        """Find distributions in a location."""
        # Skip looking inside a wheel. Since a package inside a wheel is not
        # always valid (due to .data directories etc.), its .dist-info entry
        # should not be considered an installed distribution.
        if _looks_like_wheel(location):
            return
        # To know exactly where we find a distribution, we have to feed in the
        # paths one by one, instead of dumping the list to importlib.metadata.
        for dist in importlib.metadata.distributions(path=[location]):
            info_location = get_info_location(dist)
            try:
                name = get_dist_canonical_name(dist)
            except BadMetadata as e:
                logger.warning("Skipping %s due to %s", info_location, e.reason)
                continue
            if name in self._found_names:
                continue
            self._found_names.add(name)
            yield dist, info_location

    def find(self, location: str) -> Iterator[BaseDistribution]:
        """Find distributions in a location.

        The path can be either a directory, or a ZIP archive.
        """
        for dist, info_location in self._find_impl(location):
            if info_location is None:
                installed_location: Optional[BasePath] = None
            else:
                installed_location = info_location.parent
            yield Distribution(dist, info_location, installed_location)

    def find_linked(self, location: str) -> Iterator[BaseDistribution]:
        """Read location in egg-link files and return distributions in there.

        The path should be a directory; otherwise this returns nothing. This
        follows how setuptools does this for compatibility. The first non-empty
        line in the egg-link is read as a path (resolved against the egg-link's
        containing directory if relative). Distributions found at that linked
        location are returned.
        """
        path = pathlib.Path(location)
        if not path.is_dir():
            return
        for child in path.iterdir():
            if child.suffix != ".egg-link":
                continue
            with child.open() as f:
                lines = (line.strip() for line in f)
                target_rel = next((line for line in lines if line), "")
            if not target_rel:
                continue
            target_location = str(path.joinpath(target_rel))
            for dist, info_location in self._find_impl(target_location):
                yield Distribution(dist, info_location, path)

    def _find_eggs_in_dir(self, location: str) -> Iterator[BaseDistribution]:
        from pip._vendor.pkg_resources import find_distributions

        from pip._internal.metadata import pkg_resources as legacy

        with os.scandir(location) as it:
            for entry in it:
                if not entry.name.endswith(".egg"):
                    continue
                for dist in find_distributions(entry.path):
                    yield legacy.Distribution(dist)

    def _find_eggs_in_zip(self, location: str) -> Iterator[BaseDistribution]:
        from pip._vendor.pkg_resources import find_eggs_in_zip

        from pip._internal.metadata import pkg_resources as legacy

        try:
            importer = zipimport.zipimporter(location)
        except zipimport.ZipImportError:
            return
        for dist in find_eggs_in_zip(importer, location):
            yield legacy.Distribution(dist)

    def find_eggs(self, location: str) -> Iterator[BaseDistribution]:
        """Find eggs in a location.

        This actually uses the old *pkg_resources* backend. We likely want to
        deprecate this so we can eventually remove the *pkg_resources*
        dependency entirely. Before that, this should first emit a deprecation
        warning for some versions when using the fallback since importing
        *pkg_resources* is slow for those who don't need it.
        """
        if os.path.isdir(location):
            yield from self._find_eggs_in_dir(location)
        if zipfile.is_zipfile(location):
            yield from self._find_eggs_in_zip(location)


@functools.lru_cache(maxsize=None)  # Warn a distribution exactly once.
def _emit_egg_deprecation(location: Optional[str]) -> None:
    deprecated(
        reason=f"Loading egg at {location} is deprecated.",
        replacement="to use pip for package installation",
        gone_in="25.1",
        issue=12330,
    )


class Environment(BaseEnvironment):
    def __init__(self, paths: Sequence[str]) -> None:
        self._paths = paths

    @classmethod
    def default(cls) -> BaseEnvironment:
        return cls(sys.path)

    @classmethod
    def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment:
        if paths is None:
            return cls(sys.path)
        return cls(paths)

    def _iter_distributions(self) -> Iterator[BaseDistribution]:
        finder = _DistributionFinder()
        for location in self._paths:
            yield from finder.find(location)
            for dist in finder.find_eggs(location):
                _emit_egg_deprecation(dist.location)
                yield dist
            # This must go last because that's how pkg_resources tie-breaks.
            yield from finder.find_linked(location)

    def get_distribution(self, name: str) -> Optional[BaseDistribution]:
        canonical_name = canonicalize_name(name)
        matches = (
            distribution
            for distribution in self.iter_all_distributions()
            if distribution.canonical_name == canonical_name
        )
        return next(matches, None)

190 lines•7.3 KB

python

.venv/Lib/site-packages/pip/_internal/vcs/__init__.py

Raw Download

# Expose a limited set of classes and functions so callers outside of
# the vcs package don't need to import deeper than `pip._internal.vcs`.
# (The test directory may still need to import from a vcs sub-package.)
# Import all vcs modules to register each VCS in the VcsSupport object.
import pip._internal.vcs.bazaar
import pip._internal.vcs.git
import pip._internal.vcs.mercurial
import pip._internal.vcs.subversion  # noqa: F401
from pip._internal.vcs.versioncontrol import (  # noqa: F401
    RemoteNotFoundError,
    RemoteNotValidError,
    is_url,
    make_vcs_requirement_url,
    vcs,
)

16 lines•596 B

python

.venv/Lib/site-packages/pip/_internal/models/search_scope.py

Raw Download

import itertools
import logging
import os
import posixpath
import urllib.parse
from dataclasses import dataclass
from typing import List

from pip._vendor.packaging.utils import canonicalize_name

from pip._internal.models.index import PyPI
from pip._internal.utils.compat import has_tls
from pip._internal.utils.misc import normalize_path, redact_auth_from_url

logger = logging.getLogger(__name__)


@dataclass(frozen=True)
class SearchScope:
    """
    Encapsulates the locations that pip is configured to search.
    """

    __slots__ = ["find_links", "index_urls", "no_index"]

    find_links: List[str]
    index_urls: List[str]
    no_index: bool

    @classmethod
    def create(
        cls,
        find_links: List[str],
        index_urls: List[str],
        no_index: bool,
    ) -> "SearchScope":
        """
        Create a SearchScope object after normalizing the `find_links`.
        """
        # Build find_links. If an argument starts with ~, it may be
        # a local file relative to a home directory. So try normalizing
        # it and if it exists, use the normalized version.
        # This is deliberately conservative - it might be fine just to
        # blindly normalize anything starting with a ~...
        built_find_links: List[str] = []
        for link in find_links:
            if link.startswith("~"):
                new_link = normalize_path(link)
                if os.path.exists(new_link):
                    link = new_link
            built_find_links.append(link)

        # If we don't have TLS enabled, then WARN if anyplace we're looking
        # relies on TLS.
        if not has_tls():
            for link in itertools.chain(index_urls, built_find_links):
                parsed = urllib.parse.urlparse(link)
                if parsed.scheme == "https":
                    logger.warning(
                        "pip is configured with locations that require "
                        "TLS/SSL, however the ssl module in Python is not "
                        "available."
                    )
                    break

        return cls(
            find_links=built_find_links,
            index_urls=index_urls,
            no_index=no_index,
        )

    def get_formatted_locations(self) -> str:
        lines = []
        redacted_index_urls = []
        if self.index_urls and self.index_urls != [PyPI.simple_url]:
            for url in self.index_urls:
                redacted_index_url = redact_auth_from_url(url)

                # Parse the URL
                purl = urllib.parse.urlsplit(redacted_index_url)

                # URL is generally invalid if scheme and netloc is missing
                # there are issues with Python and URL parsing, so this test
                # is a bit crude. See bpo-20271, bpo-23505. Python doesn't
                # always parse invalid URLs correctly - it should raise
                # exceptions for malformed URLs
                if not purl.scheme and not purl.netloc:
                    logger.warning(
                        'The index url "%s" seems invalid, please provide a scheme.',
                        redacted_index_url,
                    )

                redacted_index_urls.append(redacted_index_url)

            lines.append(
                "Looking in indexes: {}".format(", ".join(redacted_index_urls))
            )

        if self.find_links:
            lines.append(
                "Looking in links: {}".format(
                    ", ".join(redact_auth_from_url(url) for url in self.find_links)
                )
            )
        return "\n".join(lines)

    def get_index_urls_locations(self, project_name: str) -> List[str]:
        """Returns the locations found via self.index_urls

        Checks the url_name on the main (first in the list) index and
        use this url_name to produce all locations
        """

        def mkurl_pypi_url(url: str) -> str:
            loc = posixpath.join(
                url, urllib.parse.quote(canonicalize_name(project_name))
            )
            # For maximum compatibility with easy_install, ensure the path
            # ends in a trailing slash.  Although this isn't in the spec
            # (and PyPI can handle it without the slash) some other index
            # implementations might break if they relied on easy_install's
            # behavior.
            if not loc.endswith("/"):
                loc = loc + "/"
            return loc

        return [mkurl_pypi_url(url) for url in self.index_urls]

128 lines•4.4 KB

python

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