diff --git a/.venv/Lib/site-packages/_virtualenv.py b/.venv/Lib/site-packages/_virtualenv.py new file mode 100644 index 0000000000000000000000000000000000000000..f41f58798d5c551ed4af65d83f1b2112fb684937 --- /dev/null +++ b/.venv/Lib/site-packages/_virtualenv.py @@ -0,0 +1,102 @@ +"""Patches that are applied at runtime to the virtual environment.""" + +from __future__ import annotations + +import os +import sys +from contextlib import suppress + +VIRTUALENV_PATCH_FILE = os.path.join(__file__) + + +def patch_dist(dist): + """ + Distutils allows user to configure some arguments via a configuration file: + https://docs.python.org/3/install/index.html#distutils-configuration-files. + + Some of this arguments though don't make sense in context of the virtual environment files, let's fix them up. + """ # noqa: D205 + # we cannot allow some install config as that would get packages installed outside of the virtual environment + old_parse_config_files = dist.Distribution.parse_config_files + + def parse_config_files(self, *args, **kwargs): + result = old_parse_config_files(self, *args, **kwargs) + install = self.get_option_dict("install") + + if "prefix" in install: # the prefix governs where to install the libraries + install["prefix"] = VIRTUALENV_PATCH_FILE, os.path.abspath(sys.prefix) + for base in ("purelib", "platlib", "headers", "scripts", "data"): + key = f"install_{base}" + if key in install: # do not allow global configs to hijack venv paths + install.pop(key, None) + return result + + dist.Distribution.parse_config_files = parse_config_files + + +# Import hook that patches some modules to ignore configuration values that break package installation in case +# of virtual environments. +_DISTUTILS_PATCH = "distutils.dist", "setuptools.dist" +# https://docs.python.org/3/library/importlib.html#setting-up-an-importer + + +class _Finder: + """A meta path finder that allows patching the imported distutils modules.""" + + fullname = None + + # lock[0] is threading.Lock(), but initialized lazily to avoid importing threading very early at startup, + # because there are gevent-based applications that need to be first to import threading by themselves. + # See https://github.com/pypa/virtualenv/issues/1895 for details. + lock = [] # noqa: RUF012 + + def find_spec(self, fullname, path, target=None): # noqa: ARG002 + if fullname in _DISTUTILS_PATCH and self.fullname is None: + # initialize lock[0] lazily + if len(self.lock) == 0: + import threading + + lock = threading.Lock() + # there is possibility that two threads T1 and T2 are simultaneously running into find_spec, + # observing .lock as empty, and further going into hereby initialization. However due to the GIL, + # list.append() operation is atomic and this way only one of the threads will "win" to put the lock + # - that every thread will use - into .lock[0]. + # https://docs.python.org/3/faq/library.html#what-kinds-of-global-value-mutation-are-thread-safe + self.lock.append(lock) + + from functools import partial + from importlib.util import find_spec + + with self.lock[0]: + self.fullname = fullname + try: + spec = find_spec(fullname, path) + if spec is not None: + # https://www.python.org/dev/peps/pep-0451/#how-loading-will-work + is_new_api = hasattr(spec.loader, "exec_module") + func_name = "exec_module" if is_new_api else "load_module" + old = getattr(spec.loader, func_name) + func = self.exec_module if is_new_api else self.load_module + if old is not func: + with suppress(AttributeError): # C-Extension loaders are r/o such as zipimporter with <3.7 + setattr(spec.loader, func_name, partial(func, old)) + return spec + finally: + self.fullname = None + return None + + @staticmethod + def exec_module(old, module): + old(module) + if module.__name__ in _DISTUTILS_PATCH: + patch_dist(module) + + @staticmethod + def load_module(old, name): + module = old(name) + if module.__name__ in _DISTUTILS_PATCH: + patch_dist(module) + return module + + +sys.meta_path.insert(0, _Finder()) diff --git a/.venv/Lib/site-packages/pip-23.2.1.virtualenv b/.venv/Lib/site-packages/pip-23.2.1.virtualenv new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/__init__.py b/.venv/Lib/site-packages/pip/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..6633ef7ed7c27ba8e228b254d1329bffec675ad6 --- /dev/null +++ b/.venv/Lib/site-packages/pip/__init__.py @@ -0,0 +1,13 @@ +from typing import List, Optional + +__version__ = "23.2.1" + + +def main(args: Optional[List[str]] = None) -> int: + """This is an internal API only meant for use by pip's own console scripts. + + For additional details, see https://github.com/pypa/pip/issues/7498. + """ + from pip._internal.utils.entrypoints import _wrapper + + return _wrapper(args) diff --git a/.venv/Lib/site-packages/pip/__main__.py b/.venv/Lib/site-packages/pip/__main__.py new file mode 100644 index 0000000000000000000000000000000000000000..5991326115fe5026470165b387ba2bc78bceb006 --- /dev/null +++ b/.venv/Lib/site-packages/pip/__main__.py @@ -0,0 +1,24 @@ +import os +import sys + +# Remove '' and current working directory from the first entry +# of sys.path, if present to avoid using current directory +# in pip commands check, freeze, install, list and show, +# when invoked as python -m pip +if sys.path[0] in ("", os.getcwd()): + sys.path.pop(0) + +# If we are running from a wheel, add the wheel to sys.path +# This allows the usage python pip-*.whl/pip install pip-*.whl +if __package__ == "": + # __file__ is pip-*.whl/pip/__main__.py + # first dirname call strips of '/__main__.py', second strips off '/pip' + # Resulting path is the name of the wheel itself + # Add that to sys.path so we can import pip + path = os.path.dirname(os.path.dirname(__file__)) + sys.path.insert(0, path) + +if __name__ == "__main__": + from pip._internal.cli.main import main as _main + + sys.exit(_main()) diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/__init__.py b/.venv/Lib/site-packages/pip/_internal/metadata/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..9f73ca7105ff0bf11d74dd16ffb0653059466f70 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/__init__.py @@ -0,0 +1,127 @@ +import contextlib +import functools +import os +import sys +from typing import TYPE_CHECKING, List, Optional, Type, cast + +from pip._internal.utils.misc import strtobool + +from .base import BaseDistribution, BaseEnvironment, FilesystemWheel, MemoryWheel, Wheel + +if TYPE_CHECKING: + from typing import Protocol +else: + Protocol = object + +__all__ = [ + "BaseDistribution", + "BaseEnvironment", + "FilesystemWheel", + "MemoryWheel", + "Wheel", + "get_default_environment", + "get_environment", + "get_wheel_distribution", + "select_backend", +] + + +def _should_use_importlib_metadata() -> bool: + """Whether to use the ``importlib.metadata`` or ``pkg_resources`` backend. + + By default, pip uses ``importlib.metadata`` on Python 3.11+, and + ``pkg_resourcess`` otherwise. This can be overridden by a couple of ways: + + * If environment variable ``_PIP_USE_IMPORTLIB_METADATA`` is set, it + dictates whether ``importlib.metadata`` is used, regardless of Python + version. + * On Python 3.11+, Python distributors can patch ``importlib.metadata`` + to add a global constant ``_PIP_USE_IMPORTLIB_METADATA = False``. This + makes pip use ``pkg_resources`` (unless the user set the aforementioned + environment variable to *True*). + """ + with contextlib.suppress(KeyError, ValueError): + return bool(strtobool(os.environ["_PIP_USE_IMPORTLIB_METADATA"])) + if sys.version_info < (3, 11): + return False + import importlib.metadata + + return bool(getattr(importlib.metadata, "_PIP_USE_IMPORTLIB_METADATA", True)) + + +class Backend(Protocol): + Distribution: Type[BaseDistribution] + Environment: Type[BaseEnvironment] + + +@functools.lru_cache(maxsize=None) +def select_backend() -> Backend: + if _should_use_importlib_metadata(): + from . import importlib + + return cast(Backend, importlib) + from . import pkg_resources + + return cast(Backend, pkg_resources) + + +def get_default_environment() -> BaseEnvironment: + """Get the default representation for the current environment. + + This returns an Environment instance from the chosen backend. The default + Environment instance should be built from ``sys.path`` and may use caching + to share instance state accorss calls. + """ + return select_backend().Environment.default() + + +def get_environment(paths: Optional[List[str]]) -> BaseEnvironment: + """Get a representation of the environment specified by ``paths``. + + This returns an Environment instance from the chosen backend based on the + given import paths. The backend must build a fresh instance representing + the state of installed distributions when this function is called. + """ + return select_backend().Environment.from_paths(paths) + + +def get_directory_distribution(directory: str) -> BaseDistribution: + """Get the distribution metadata representation in the specified directory. + + This returns a Distribution instance from the chosen backend based on + the given on-disk ``.dist-info`` directory. + """ + return select_backend().Distribution.from_directory(directory) + + +def get_wheel_distribution(wheel: Wheel, canonical_name: str) -> BaseDistribution: + """Get the representation of the specified wheel's distribution metadata. + + This returns a Distribution instance from the chosen backend based on + the given wheel's ``.dist-info`` directory. + + :param canonical_name: Normalized project name of the given wheel. + """ + return select_backend().Distribution.from_wheel(wheel, canonical_name) + + +def get_metadata_distribution( + metadata_contents: bytes, + filename: str, + canonical_name: str, +) -> BaseDistribution: + """Get the dist representation of the specified METADATA file contents. + + This returns a Distribution instance from the chosen backend sourced from the data + in `metadata_contents`. + + :param metadata_contents: Contents of a METADATA file within a dist, or one served + via PEP 658. + :param filename: Filename for the dist this metadata represents. + :param canonical_name: Normalized project name of the given dist. + """ + return select_backend().Distribution.from_metadata_file_contents( + metadata_contents, + filename, + canonical_name, + ) diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/_json.py b/.venv/Lib/site-packages/pip/_internal/metadata/_json.py new file mode 100644 index 0000000000000000000000000000000000000000..336b52f1efddbcaeb6716583fc2f043699e278fa --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/_json.py @@ -0,0 +1,84 @@ +# Extracted from https://github.com/pfmoore/pkg_metadata + +from email.header import Header, decode_header, make_header +from email.message import Message +from typing import Any, Dict, List, Union + +METADATA_FIELDS = [ + # Name, Multiple-Use + ("Metadata-Version", False), + ("Name", False), + ("Version", False), + ("Dynamic", True), + ("Platform", True), + ("Supported-Platform", True), + ("Summary", False), + ("Description", False), + ("Description-Content-Type", False), + ("Keywords", False), + ("Home-page", False), + ("Download-URL", False), + ("Author", False), + ("Author-email", False), + ("Maintainer", False), + ("Maintainer-email", False), + ("License", False), + ("Classifier", True), + ("Requires-Dist", True), + ("Requires-Python", False), + ("Requires-External", True), + ("Project-URL", True), + ("Provides-Extra", True), + ("Provides-Dist", True), + ("Obsoletes-Dist", True), +] + + +def json_name(field: str) -> str: + return field.lower().replace("-", "_") + + +def msg_to_json(msg: Message) -> Dict[str, Any]: + """Convert a Message object into a JSON-compatible dictionary.""" + + def sanitise_header(h: Union[Header, str]) -> str: + if isinstance(h, Header): + chunks = [] + for bytes, encoding in decode_header(h): + if encoding == "unknown-8bit": + try: + # See if UTF-8 works + bytes.decode("utf-8") + encoding = "utf-8" + except UnicodeDecodeError: + # If not, latin1 at least won't fail + encoding = "latin1" + chunks.append((bytes, encoding)) + return str(make_header(chunks)) + return str(h) + + result = {} + for field, multi in METADATA_FIELDS: + if field not in msg: + continue + key = json_name(field) + if multi: + value: Union[str, List[str]] = [ + sanitise_header(v) for v in msg.get_all(field) + ] + else: + value = sanitise_header(msg.get(field)) + if key == "keywords": + # Accept both comma-separated and space-separated + # forms, for better compatibility with old data. + if "," in value: + value = [v.strip() for v in value.split(",")] + else: + value = value.split() + result[key] = value + + payload = msg.get_payload() + if payload: + result["description"] = payload + + return result diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py new file mode 100644 index 0000000000000000000000000000000000000000..593bff23edecd3c517c96e119ee777bd4ee1d9d0 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_compat.py @@ -0,0 +1,55 @@ +import importlib.metadata +from typing import Any, Optional, Protocol, cast + + +class BadMetadata(ValueError): + def __init__(self, dist: importlib.metadata.Distribution, *, reason: str) -> None: + self.dist = dist + self.reason = reason + + def __str__(self) -> str: + return f"Bad metadata in {self.dist} ({self.reason})" + + +class BasePath(Protocol): + """A protocol that various path objects conform. + + This exists because importlib.metadata uses both ``pathlib.Path`` and + ``zipfile.Path``, and we need a common base for type hints (Union does not + work well since ``zipfile.Path`` is too new for our linter setup). + + This does not mean to be exhaustive, but only contains things that present + in both classes *that we need*. + """ + + @property + def name(self) -> str: + raise NotImplementedError() + + @property + def parent(self) -> "BasePath": + raise NotImplementedError() + + +def get_info_location(d: importlib.metadata.Distribution) -> Optional[BasePath]: + """Find the path to the distribution's metadata directory. + + HACK: This relies on importlib.metadata's private ``_path`` attribute. Not + all distributions exist on disk, so importlib.metadata is correct to not + expose the attribute as public. But pip's code base is old and not as clean, + so we do this to avoid having to rewrite too many things. Hopefully we can + eliminate this some day. + """ + return getattr(d, "_path", None) + + +def get_dist_name(dist: importlib.metadata.Distribution) -> str: + """Get the distribution's project name. + + The ``name`` attribute is only available in Python 3.10 or later. We are + targeting exactly that, but Mypy does not know this. + """ + name = cast(Any, dist).name + if not isinstance(name, str): + raise BadMetadata(dist, reason="invalid metadata entry 'name'") + return name diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py new file mode 100644 index 0000000000000000000000000000000000000000..65c043c87eff27e9405316fdbc0c695f2b347441 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_dists.py @@ -0,0 +1,224 @@ +import email.message +import importlib.metadata +import os +import pathlib +import zipfile +from typing import ( + Collection, + Dict, + Iterable, + Iterator, + Mapping, + Optional, + Sequence, + cast, +) + +from pip._vendor.packaging.requirements import Requirement +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.packaging.version import parse as parse_version + +from pip._internal.exceptions import InvalidWheel, UnsupportedWheel +from pip._internal.metadata.base import ( + BaseDistribution, + BaseEntryPoint, + DistributionVersion, + InfoPath, + Wheel, +) +from pip._internal.utils.misc import normalize_path +from pip._internal.utils.packaging import safe_extra +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file + +from ._compat import BasePath, get_dist_name + + +class WheelDistribution(importlib.metadata.Distribution): + """An ``importlib.metadata.Distribution`` read from a wheel. + + Although ``importlib.metadata.PathDistribution`` accepts ``zipfile.Path``, + its implementation is too "lazy" for pip's needs (we can't keep the ZipFile + handle open for the entire lifetime of the distribution object). + + This implementation eagerly reads the entire metadata directory into the + memory instead, and operates from that. + """ + + def __init__( + self, + files: Mapping[pathlib.PurePosixPath, bytes], + info_location: pathlib.PurePosixPath, + ) -> None: + self._files = files + self.info_location = info_location + + @classmethod + def from_zipfile( + cls, + zf: zipfile.ZipFile, + name: str, + location: str, + ) -> "WheelDistribution": + info_dir, _ = parse_wheel(zf, name) + paths = ( + (name, pathlib.PurePosixPath(name.split("/", 1)[-1])) + for name in zf.namelist() + if name.startswith(f"{info_dir}/") + ) + files = { + relpath: read_wheel_metadata_file(zf, fullpath) + for fullpath, relpath in paths + } + info_location = pathlib.PurePosixPath(location, info_dir) + return cls(files, info_location) + + def iterdir(self, path: InfoPath) -> Iterator[pathlib.PurePosixPath]: + # Only allow iterating through the metadata directory. + if pathlib.PurePosixPath(str(path)) in self._files: + return iter(self._files) + raise FileNotFoundError(path) + + def read_text(self, filename: str) -> Optional[str]: + try: + data = self._files[pathlib.PurePosixPath(filename)] + except KeyError: + return None + try: + text = data.decode("utf-8") + except UnicodeDecodeError as e: + wheel = self.info_location.parent + error = f"Error decoding metadata for {wheel}: {e} in {filename} file" + raise UnsupportedWheel(error) + return text + + +class Distribution(BaseDistribution): + def __init__( + self, + dist: importlib.metadata.Distribution, + info_location: Optional[BasePath], + installed_location: Optional[BasePath], + ) -> None: + self._dist = dist + self._info_location = info_location + self._installed_location = installed_location + + @classmethod + def from_directory(cls, directory: str) -> BaseDistribution: + info_location = pathlib.Path(directory) + dist = importlib.metadata.Distribution.at(info_location) + return cls(dist, info_location, info_location.parent) + + @classmethod + def from_metadata_file_contents( + cls, + metadata_contents: bytes, + filename: str, + project_name: str, + ) -> BaseDistribution: + # Generate temp dir to contain the metadata file, and write the file contents. + temp_dir = pathlib.Path( + TempDirectory(kind="metadata", globally_managed=True).path + ) + metadata_path = temp_dir / "METADATA" + metadata_path.write_bytes(metadata_contents) + # Construct dist pointing to the newly created directory. + dist = importlib.metadata.Distribution.at(metadata_path.parent) + return cls(dist, metadata_path.parent, None) + + @classmethod + def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution: + try: + with wheel.as_zipfile() as zf: + dist = WheelDistribution.from_zipfile(zf, name, wheel.location) + except zipfile.BadZipFile as e: + raise InvalidWheel(wheel.location, name) from e + except UnsupportedWheel as e: + raise UnsupportedWheel(f"{name} has an invalid wheel, {e}") + return cls(dist, dist.info_location, pathlib.PurePosixPath(wheel.location)) + + @property + def location(self) -> Optional[str]: + if self._info_location is None: + return None + return str(self._info_location.parent) + + @property + def info_location(self) -> Optional[str]: + if self._info_location is None: + return None + return str(self._info_location) + + @property + def installed_location(self) -> Optional[str]: + if self._installed_location is None: + return None + return normalize_path(str(self._installed_location)) + + def _get_dist_name_from_location(self) -> Optional[str]: + """Try to get the name from the metadata directory name. + + This is much faster than reading metadata. + """ + if self._info_location is None: + return None + stem, suffix = os.path.splitext(self._info_location.name) + if suffix not in (".dist-info", ".egg-info"): + return None + return stem.split("-", 1)[0] + + @property + def canonical_name(self) -> NormalizedName: + name = self._get_dist_name_from_location() or get_dist_name(self._dist) + return canonicalize_name(name) + + @property + def version(self) -> DistributionVersion: + return parse_version(self._dist.version) + + def is_file(self, path: InfoPath) -> bool: + return self._dist.read_text(str(path)) is not None + + def iter_distutils_script_names(self) -> Iterator[str]: + # A distutils installation is always "flat" (not in e.g. egg form), so + # if this distribution's info location is NOT a pathlib.Path (but e.g. + # zipfile.Path), it can never contain any distutils scripts. + if not isinstance(self._info_location, pathlib.Path): + return + for child in self._info_location.joinpath("scripts").iterdir(): + yield child.name + + def read_text(self, path: InfoPath) -> str: + content = self._dist.read_text(str(path)) + if content is None: + raise FileNotFoundError(path) + return content + + def iter_entry_points(self) -> Iterable[BaseEntryPoint]: + # importlib.metadata's EntryPoint structure sasitfies BaseEntryPoint. + return self._dist.entry_points + + def _metadata_impl(self) -> email.message.Message: + # From Python 3.10+, importlib.metadata declares PackageMetadata as the + # return type. This protocol is unfortunately a disaster now and misses + # a ton of fields that we need, including get() and get_payload(). We + # rely on the implementation that the object is actually a Message now, + # until upstream can improve the protocol. (python/cpython#94952) + return cast(email.message.Message, self._dist.metadata) + + def iter_provided_extras(self) -> Iterable[str]: + return ( + safe_extra(extra) for extra in self.metadata.get_all("Provides-Extra", []) + ) + + def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]: + contexts: Sequence[Dict[str, str]] = [{"extra": safe_extra(e)} for e in extras] + for req_string in self.metadata.get_all("Requires-Dist", []): + req = Requirement(req_string) + if not req.marker: + yield req + elif not extras and req.marker.evaluate({"extra": ""}): + yield req + elif any(req.marker.evaluate(context) for context in contexts): + yield req diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py new file mode 100644 index 0000000000000000000000000000000000000000..3850ddaf412022ac00ffa515518962a8a4c4de5e --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/importlib/_envs.py @@ -0,0 +1,188 @@ +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_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: + raw_name = get_dist_name(dist) + except BadMetadata as e: + logger.warning("Skipping %s due to %s", info_location, e.reason) + continue + normalized_name = canonicalize_name(raw_name) + if normalized_name in self._found_names: + continue + self._found_names.add(normalized_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="23.3", + ) + + +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]: + matches = ( + distribution + for distribution in self.iter_all_distributions() + if distribution.canonical_name == canonicalize_name(name) + ) + return next(matches, None) diff --git a/.venv/Lib/site-packages/pip/_internal/metadata/pkg_resources.py b/.venv/Lib/site-packages/pip/_internal/metadata/pkg_resources.py new file mode 100644 index 0000000000000000000000000000000000000000..f330ef12a2c5ea0a4adbecbeea389741479d5eb4 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/metadata/pkg_resources.py @@ -0,0 +1,270 @@ +import email.message +import email.parser +import logging +import os +import zipfile +from typing import Collection, Iterable, Iterator, List, Mapping, NamedTuple, Optional + +from pip._vendor import pkg_resources +from pip._vendor.packaging.requirements import Requirement +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.packaging.version import parse as parse_version + +from pip._internal.exceptions import InvalidWheel, NoneMetadataError, UnsupportedWheel +from pip._internal.utils.egg_link import egg_link_path_from_location +from pip._internal.utils.misc import display_path, normalize_path +from pip._internal.utils.wheel import parse_wheel, read_wheel_metadata_file + +from .base import ( + BaseDistribution, + BaseEntryPoint, + BaseEnvironment, + DistributionVersion, + InfoPath, + Wheel, +) + +logger = logging.getLogger(__name__) + + +class EntryPoint(NamedTuple): + name: str + value: str + group: str + + +class InMemoryMetadata: + """IMetadataProvider that reads metadata files from a dictionary. + + This also maps metadata decoding exceptions to our internal exception type. + """ + + def __init__(self, metadata: Mapping[str, bytes], wheel_name: str) -> None: + self._metadata = metadata + self._wheel_name = wheel_name + + def has_metadata(self, name: str) -> bool: + return name in self._metadata + + def get_metadata(self, name: str) -> str: + try: + return self._metadata[name].decode() + except UnicodeDecodeError as e: + # Augment the default error with the origin of the file. + raise UnsupportedWheel( + f"Error decoding metadata for {self._wheel_name}: {e} in {name} file" + ) + + def get_metadata_lines(self, name: str) -> Iterable[str]: + return pkg_resources.yield_lines(self.get_metadata(name)) + + def metadata_isdir(self, name: str) -> bool: + return False + + def metadata_listdir(self, name: str) -> List[str]: + return [] + + def run_script(self, script_name: str, namespace: str) -> None: + pass + + +class Distribution(BaseDistribution): + def __init__(self, dist: pkg_resources.Distribution) -> None: + self._dist = dist + + @classmethod + def from_directory(cls, directory: str) -> BaseDistribution: + dist_dir = directory.rstrip(os.sep) + + # Build a PathMetadata object, from path to metadata. :wink: + base_dir, dist_dir_name = os.path.split(dist_dir) + metadata = pkg_resources.PathMetadata(base_dir, dist_dir) + + # Determine the correct Distribution object type. + if dist_dir.endswith(".egg-info"): + dist_cls = pkg_resources.Distribution + dist_name = os.path.splitext(dist_dir_name)[0] + else: + assert dist_dir.endswith(".dist-info") + dist_cls = pkg_resources.DistInfoDistribution + dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0] + + dist = dist_cls(base_dir, project_name=dist_name, metadata=metadata) + return cls(dist) + + @classmethod + def from_metadata_file_contents( + cls, + metadata_contents: bytes, + filename: str, + project_name: str, + ) -> BaseDistribution: + metadata_dict = { + "METADATA": metadata_contents, + } + dist = pkg_resources.DistInfoDistribution( + location=filename, + metadata=InMemoryMetadata(metadata_dict, filename), + project_name=project_name, + ) + return cls(dist) + + @classmethod + def from_wheel(cls, wheel: Wheel, name: str) -> BaseDistribution: + try: + with wheel.as_zipfile() as zf: + info_dir, _ = parse_wheel(zf, name) + metadata_dict = { + path.split("/", 1)[-1]: read_wheel_metadata_file(zf, path) + for path in zf.namelist() + if path.startswith(f"{info_dir}/") + } + except zipfile.BadZipFile as e: + raise InvalidWheel(wheel.location, name) from e + except UnsupportedWheel as e: + raise UnsupportedWheel(f"{name} has an invalid wheel, {e}") + dist = pkg_resources.DistInfoDistribution( + location=wheel.location, + metadata=InMemoryMetadata(metadata_dict, wheel.location), + project_name=name, + ) + return cls(dist) + + @property + def location(self) -> Optional[str]: + return self._dist.location + + @property + def installed_location(self) -> Optional[str]: + egg_link = egg_link_path_from_location(self.raw_name) + if egg_link: + location = egg_link + elif self.location: + location = self.location + else: + return None + return normalize_path(location) + + @property + def info_location(self) -> Optional[str]: + return self._dist.egg_info + + @property + def installed_by_distutils(self) -> bool: + # A distutils-installed distribution is provided by FileMetadata. This + # provider has a "path" attribute not present anywhere else. Not the + # best introspection logic, but pip has been doing this for a long time. + try: + return bool(self._dist._provider.path) + except AttributeError: + return False + + @property + def canonical_name(self) -> NormalizedName: + return canonicalize_name(self._dist.project_name) + + @property + def version(self) -> DistributionVersion: + return parse_version(self._dist.version) + + def is_file(self, path: InfoPath) -> bool: + return self._dist.has_metadata(str(path)) + + def iter_distutils_script_names(self) -> Iterator[str]: + yield from self._dist.metadata_listdir("scripts") + + def read_text(self, path: InfoPath) -> str: + name = str(path) + if not self._dist.has_metadata(name): + raise FileNotFoundError(name) + content = self._dist.get_metadata(name) + if content is None: + raise NoneMetadataError(self, name) + return content + + def iter_entry_points(self) -> Iterable[BaseEntryPoint]: + for group, entries in self._dist.get_entry_map().items(): + for name, entry_point in entries.items(): + name, _, value = str(entry_point).partition("=") + yield EntryPoint(name=name.strip(), value=value.strip(), group=group) + + def _metadata_impl(self) -> email.message.Message: + """ + :raises NoneMetadataError: if the distribution reports `has_metadata()` + True but `get_metadata()` returns None. + """ + if isinstance(self._dist, pkg_resources.DistInfoDistribution): + metadata_name = "METADATA" + else: + metadata_name = "PKG-INFO" + try: + metadata = self.read_text(metadata_name) + except FileNotFoundError: + if self.location: + displaying_path = display_path(self.location) + else: + displaying_path = repr(self.location) + logger.warning("No metadata found in %s", displaying_path) + metadata = "" + feed_parser = email.parser.FeedParser() + feed_parser.feed(metadata) + return feed_parser.close() + + def iter_dependencies(self, extras: Collection[str] = ()) -> Iterable[Requirement]: + if extras: # pkg_resources raises on invalid extras, so we sanitize. + extras = frozenset(extras).intersection(self._dist.extras) + return self._dist.requires(extras) + + def iter_provided_extras(self) -> Iterable[str]: + return self._dist.extras + + +class Environment(BaseEnvironment): + def __init__(self, ws: pkg_resources.WorkingSet) -> None: + self._ws = ws + + @classmethod + def default(cls) -> BaseEnvironment: + return cls(pkg_resources.working_set) + + @classmethod + def from_paths(cls, paths: Optional[List[str]]) -> BaseEnvironment: + return cls(pkg_resources.WorkingSet(paths)) + + def _iter_distributions(self) -> Iterator[BaseDistribution]: + for dist in self._ws: + yield Distribution(dist) + + def _search_distribution(self, name: str) -> Optional[BaseDistribution]: + """Find a distribution matching the ``name`` in the environment. + + This searches from *all* distributions available in the environment, to + match the behavior of ``pkg_resources.get_distribution()``. + """ + canonical_name = canonicalize_name(name) + for dist in self.iter_all_distributions(): + if dist.canonical_name == canonical_name: + return dist + return None + + def get_distribution(self, name: str) -> Optional[BaseDistribution]: + # Search the distribution by looking through the working set. + dist = self._search_distribution(name) + if dist: + return dist + + # If distribution could not be found, call working_set.require to + # update the working set, and try to find the distribution again. + # This might happen for e.g. when you install a package twice, once + # using setup.py develop and again using setup.py install. Now when + # running pip uninstall twice, the package gets removed from the + # working set in the first uninstall, so we have to populate the + # working set again so that pip knows about it and the packages gets + # picked up and is successfully uninstalled the second time too. + try: + # We didn't pass in any version specifiers, so this can never + # raise pkg_resources.VersionConflict. + self._ws.require(name) + except pkg_resources.DistributionNotFound: + return None + return self._search_distribution(name) diff --git a/.venv/Lib/site-packages/pip/_internal/models/__init__.py b/.venv/Lib/site-packages/pip/_internal/models/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..7855226e4b500142deef8fb247cd33a9a991d122 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/models/__init__.py @@ -0,0 +1,2 @@ +"""A package that contains models that represent entities. +""" diff --git a/.venv/Lib/site-packages/pip/_internal/models/target_python.py b/.venv/Lib/site-packages/pip/_internal/models/target_python.py new file mode 100644 index 0000000000000000000000000000000000000000..744bd7ef58b4870406fcef8cb3b3667548a0ccea --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/models/target_python.py @@ -0,0 +1,110 @@ +import sys +from typing import List, Optional, Tuple + +from pip._vendor.packaging.tags import Tag + +from pip._internal.utils.compatibility_tags import get_supported, version_info_to_nodot +from pip._internal.utils.misc import normalize_version_info + + +class TargetPython: + + """ + Encapsulates the properties of a Python interpreter one is targeting + for a package install, download, etc. + """ + + __slots__ = [ + "_given_py_version_info", + "abis", + "implementation", + "platforms", + "py_version", + "py_version_info", + "_valid_tags", + ] + + def __init__( + self, + platforms: Optional[List[str]] = None, + py_version_info: Optional[Tuple[int, ...]] = None, + abis: Optional[List[str]] = None, + implementation: Optional[str] = None, + ) -> None: + """ + :param platforms: A list of strings or None. If None, searches for + packages that are supported by the current system. Otherwise, will + find packages that can be built on the platforms passed in. These + packages will only be downloaded for distribution: they will + not be built locally. + :param py_version_info: An optional tuple of ints representing the + Python version information to use (e.g. `sys.version_info[:3]`). + This can have length 1, 2, or 3 when provided. + :param abis: A list of strings or None. This is passed to + compatibility_tags.py's get_supported() function as is. + :param implementation: A string or None. This is passed to + compatibility_tags.py's get_supported() function as is. + """ + # Store the given py_version_info for when we call get_supported(). + self._given_py_version_info = py_version_info + + if py_version_info is None: + py_version_info = sys.version_info[:3] + else: + py_version_info = normalize_version_info(py_version_info) + + py_version = ".".join(map(str, py_version_info[:2])) + + self.abis = abis + self.implementation = implementation + self.platforms = platforms + self.py_version = py_version + self.py_version_info = py_version_info + + # This is used to cache the return value of get_tags(). + self._valid_tags: Optional[List[Tag]] = None + + def format_given(self) -> str: + """ + Format the given, non-None attributes for display. + """ + display_version = None + if self._given_py_version_info is not None: + display_version = ".".join( + str(part) for part in self._given_py_version_info + ) + + key_values = [ + ("platforms", self.platforms), + ("version_info", display_version), + ("abis", self.abis), + ("implementation", self.implementation), + ] + return " ".join( + f"{key}={value!r}" for key, value in key_values if value is not None + ) + + def get_tags(self) -> List[Tag]: + """ + Return the supported PEP 425 tags to check wheel candidates against. + + The tags are returned in order of preference (most preferred first). + """ + if self._valid_tags is None: + # Pass versions=None if no py_version_info was given since + # versions=None uses special default logic. + py_version_info = self._given_py_version_info + if py_version_info is None: + version = None + else: + version = version_info_to_nodot(py_version_info) + + tags = get_supported( + version=version, + platforms=self.platforms, + abis=self.abis, + impl=self.implementation, + ) + self._valid_tags = tags + + return self._valid_tags diff --git a/.venv/Lib/site-packages/pip/_internal/models/wheel.py b/.venv/Lib/site-packages/pip/_internal/models/wheel.py new file mode 100644 index 0000000000000000000000000000000000000000..a5dc12bdd63163c86f87ce4b5430cdb16d73769d --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/models/wheel.py @@ -0,0 +1,92 @@ +"""Represents a wheel file and provides access to the various parts of the +name that have meaning. +""" +import re +from typing import Dict, Iterable, List + +from pip._vendor.packaging.tags import Tag + +from pip._internal.exceptions import InvalidWheelFilename + + +class Wheel: + """A wheel file""" + + wheel_file_re = re.compile( + r"""^(?P(?P[^\s-]+?)-(?P[^\s-]*?)) + ((-(?P\d[^-]*?))?-(?P[^\s-]+?)-(?P[^\s-]+?)-(?P[^\s-]+?) + \.whl|\.dist-info)$""", + re.VERBOSE, + ) + + def __init__(self, filename: str) -> None: + """ + :raises InvalidWheelFilename: when the filename is invalid for a wheel + """ + wheel_info = self.wheel_file_re.match(filename) + if not wheel_info: + raise InvalidWheelFilename(f"{filename} is not a valid wheel filename.") + self.filename = filename + self.name = wheel_info.group("name").replace("_", "-") + # we'll assume "_" means "-" due to wheel naming scheme + # (https://github.com/pypa/pip/issues/1150) + self.version = wheel_info.group("ver").replace("_", "-") + self.build_tag = wheel_info.group("build") + self.pyversions = wheel_info.group("pyver").split(".") + self.abis = wheel_info.group("abi").split(".") + self.plats = wheel_info.group("plat").split(".") + + # All the tag combinations from this file + self.file_tags = { + Tag(x, y, z) for x in self.pyversions for y in self.abis for z in self.plats + } + + def get_formatted_file_tags(self) -> List[str]: + """Return the wheel's tags as a sorted list of strings.""" + return sorted(str(tag) for tag in self.file_tags) + + def support_index_min(self, tags: List[Tag]) -> int: + """Return the lowest index that one of the wheel's file_tag combinations + achieves in the given list of supported tags. + + For example, if there are 8 supported tags and one of the file tags + is first in the list, then return 0. + + :param tags: the PEP 425 tags to check the wheel against, in order + with most preferred first. + + :raises ValueError: If none of the wheel's file tags match one of + the supported tags. + """ + try: + return next(i for i, t in enumerate(tags) if t in self.file_tags) + except StopIteration: + raise ValueError() + + def find_most_preferred_tag( + self, tags: List[Tag], tag_to_priority: Dict[Tag, int] + ) -> int: + """Return the priority of the most preferred tag that one of the wheel's file + tag combinations achieves in the given list of supported tags using the given + tag_to_priority mapping, where lower priorities are more-preferred. + + This is used in place of support_index_min in some cases in order to avoid + an expensive linear scan of a large list of tags. + + :param tags: the PEP 425 tags to check the wheel against. + :param tag_to_priority: a mapping from tag to priority of that tag, where + lower is more preferred. + + :raises ValueError: If none of the wheel's file tags match one of + the supported tags. + """ + return min( + tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority + ) + + def supported(self, tags: Iterable[Tag]) -> bool: + """Return whether the wheel is compatible with one of the given tags. + + :param tags: the PEP 425 tags to check the wheel against. + """ + return not self.file_tags.isdisjoint(tags) diff --git a/.venv/Lib/site-packages/pip/_internal/network/__init__.py b/.venv/Lib/site-packages/pip/_internal/network/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..b51bde91b2e5b4e557ed9b70fc113843cc3d49ae --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/__init__.py @@ -0,0 +1,2 @@ +"""Contains purely network-related utilities. +""" diff --git a/.venv/Lib/site-packages/pip/_internal/network/auth.py b/.venv/Lib/site-packages/pip/_internal/network/auth.py new file mode 100644 index 0000000000000000000000000000000000000000..94a82fa6618270d3a16f521a0fcf710a15a8aebc --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/auth.py @@ -0,0 +1,561 @@ +"""Network Authentication Helpers + +Contains interface (MultiDomainBasicAuth) and associated glue code for +providing credentials in the context of network requests. +""" +import logging +import os +import shutil +import subprocess +import sysconfig +import typing +import urllib.parse +from abc import ABC, abstractmethod +from functools import lru_cache +from os.path import commonprefix +from pathlib import Path +from typing import Any, Dict, List, NamedTuple, Optional, Tuple + +from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth +from pip._vendor.requests.models import Request, Response +from pip._vendor.requests.utils import get_netrc_auth + +from pip._internal.utils.logging import getLogger +from pip._internal.utils.misc import ( + ask, + ask_input, + ask_password, + remove_auth_from_url, + split_auth_netloc_from_url, +) +from pip._internal.vcs.versioncontrol import AuthInfo + +logger = getLogger(__name__) + +KEYRING_DISABLED = False + + +class Credentials(NamedTuple): + url: str + username: str + password: str + + +class KeyRingBaseProvider(ABC): + """Keyring base provider interface""" + + has_keyring: bool + + @abstractmethod + def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]: + ... + + @abstractmethod + def save_auth_info(self, url: str, username: str, password: str) -> None: + ... + + +class KeyRingNullProvider(KeyRingBaseProvider): + """Keyring null provider""" + + has_keyring = False + + def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]: + return None + + def save_auth_info(self, url: str, username: str, password: str) -> None: + return None + + +class KeyRingPythonProvider(KeyRingBaseProvider): + """Keyring interface which uses locally imported `keyring`""" + + has_keyring = True + + def __init__(self) -> None: + import keyring + + self.keyring = keyring + + def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]: + # Support keyring's get_credential interface which supports getting + # credentials without a username. This is only available for + # keyring>=15.2.0. + if hasattr(self.keyring, "get_credential"): + logger.debug("Getting credentials from keyring for %s", url) + cred = self.keyring.get_credential(url, username) + if cred is not None: + return cred.username, cred.password + return None + + if username is not None: + logger.debug("Getting password from keyring for %s", url) + password = self.keyring.get_password(url, username) + if password: + return username, password + return None + + def save_auth_info(self, url: str, username: str, password: str) -> None: + self.keyring.set_password(url, username, password) + + +class KeyRingCliProvider(KeyRingBaseProvider): + """Provider which uses `keyring` cli + + Instead of calling the keyring package installed alongside pip + we call keyring on the command line which will enable pip to + use which ever installation of keyring is available first in + PATH. + """ + + has_keyring = True + + def __init__(self, cmd: str) -> None: + self.keyring = cmd + + def get_auth_info(self, url: str, username: Optional[str]) -> Optional[AuthInfo]: + # This is the default implementation of keyring.get_credential + # https://github.com/jaraco/keyring/blob/97689324abcf01bd1793d49063e7ca01e03d7d07/keyring/backend.py#L134-L139 + if username is not None: + password = self._get_password(url, username) + if password is not None: + return username, password + return None + + def save_auth_info(self, url: str, username: str, password: str) -> None: + return self._set_password(url, username, password) + + def _get_password(self, service_name: str, username: str) -> Optional[str]: + """Mirror the implementation of keyring.get_password using cli""" + if self.keyring is None: + return None + + cmd = [self.keyring, "get", service_name, username] + env = os.environ.copy() + env["PYTHONIOENCODING"] = "utf-8" + res = subprocess.run( + cmd, + stdin=subprocess.DEVNULL, + stdout=subprocess.PIPE, + env=env, + ) + if res.returncode: + return None + return res.stdout.decode("utf-8").strip(os.linesep) + + def _set_password(self, service_name: str, username: str, password: str) -> None: + """Mirror the implementation of keyring.set_password using cli""" + if self.keyring is None: + return None + env = os.environ.copy() + env["PYTHONIOENCODING"] = "utf-8" + subprocess.run( + [self.keyring, "set", service_name, username], + input=f"{password}{os.linesep}".encode("utf-8"), + env=env, + check=True, + ) + return None + + +@lru_cache(maxsize=None) +def get_keyring_provider(provider: str) -> KeyRingBaseProvider: + logger.verbose("Keyring provider requested: %s", provider) + + # keyring has previously failed and been disabled + if KEYRING_DISABLED: + provider = "disabled" + if provider in ["import", "auto"]: + try: + impl = KeyRingPythonProvider() + logger.verbose("Keyring provider set: import") + return impl + except ImportError: + pass + except Exception as exc: + # In the event of an unexpected exception + # we should warn the user + msg = "Installed copy of keyring fails with exception %s" + if provider == "auto": + msg = msg + ", trying to find a keyring executable as a fallback" + logger.warning(msg, exc, exc_info=logger.isEnabledFor(logging.DEBUG)) + if provider in ["subprocess", "auto"]: + cli = shutil.which("keyring") + if cli and cli.startswith(sysconfig.get_path("scripts")): + # all code within this function is stolen from shutil.which implementation + @typing.no_type_check + def PATH_as_shutil_which_determines_it() -> str: + path = os.environ.get("PATH", None) + if path is None: + try: + path = os.confstr("CS_PATH") + except (AttributeError, ValueError): + # os.confstr() or CS_PATH is not available + path = os.defpath + # bpo-35755: Don't use os.defpath if the PATH environment variable is + # set to an empty string + + return path + + scripts = Path(sysconfig.get_path("scripts")) + + paths = [] + for path in PATH_as_shutil_which_determines_it().split(os.pathsep): + p = Path(path) + try: + if not p.samefile(scripts): + paths.append(path) + except FileNotFoundError: + pass + + path = os.pathsep.join(paths) + + cli = shutil.which("keyring", path=path) + + if cli: + logger.verbose("Keyring provider set: subprocess with executable %s", cli) + return KeyRingCliProvider(cli) + + logger.verbose("Keyring provider set: disabled") + return KeyRingNullProvider() + + +class MultiDomainBasicAuth(AuthBase): + def __init__( + self, + prompting: bool = True, + index_urls: Optional[List[str]] = None, + keyring_provider: str = "auto", + ) -> None: + self.prompting = prompting + self.index_urls = index_urls + self.keyring_provider = keyring_provider # type: ignore[assignment] + self.passwords: Dict[str, AuthInfo] = {} + # When the user is prompted to enter credentials and keyring is + # available, we will offer to save them. If the user accepts, + # this value is set to the credentials they entered. After the + # request authenticates, the caller should call + # ``save_credentials`` to save these. + self._credentials_to_save: Optional[Credentials] = None + + @property + def keyring_provider(self) -> KeyRingBaseProvider: + return get_keyring_provider(self._keyring_provider) + + @keyring_provider.setter + def keyring_provider(self, provider: str) -> None: + # The free function get_keyring_provider has been decorated with + # functools.cache. If an exception occurs in get_keyring_auth that + # cache will be cleared and keyring disabled, take that into account + # if you want to remove this indirection. + self._keyring_provider = provider + + @property + def use_keyring(self) -> bool: + # We won't use keyring when --no-input is passed unless + # a specific provider is requested because it might require + # user interaction + return self.prompting or self._keyring_provider not in ["auto", "disabled"] + + def _get_keyring_auth( + self, + url: Optional[str], + username: Optional[str], + ) -> Optional[AuthInfo]: + """Return the tuple auth for a given url from keyring.""" + # Do nothing if no url was provided + if not url: + return None + + try: + return self.keyring_provider.get_auth_info(url, username) + except Exception as exc: + logger.warning( + "Keyring is skipped due to an exception: %s", + str(exc), + ) + global KEYRING_DISABLED + KEYRING_DISABLED = True + get_keyring_provider.cache_clear() + return None + + def _get_index_url(self, url: str) -> Optional[str]: + """Return the original index URL matching the requested URL. + + Cached or dynamically generated credentials may work against + the original index URL rather than just the netloc. + + The provided url should have had its username and password + removed already. If the original index url had credentials then + they will be included in the return value. + + Returns None if no matching index was found, or if --no-index + was specified by the user. + """ + if not url or not self.index_urls: + return None + + url = remove_auth_from_url(url).rstrip("/") + "/" + parsed_url = urllib.parse.urlsplit(url) + + candidates = [] + + for index in self.index_urls: + index = index.rstrip("/") + "/" + parsed_index = urllib.parse.urlsplit(remove_auth_from_url(index)) + if parsed_url == parsed_index: + return index + + if parsed_url.netloc != parsed_index.netloc: + continue + + candidate = urllib.parse.urlsplit(index) + candidates.append(candidate) + + if not candidates: + return None + + candidates.sort( + reverse=True, + key=lambda candidate: commonprefix( + [ + parsed_url.path, + candidate.path, + ] + ).rfind("/"), + ) + + return urllib.parse.urlunsplit(candidates[0]) + + def _get_new_credentials( + self, + original_url: str, + *, + allow_netrc: bool = True, + allow_keyring: bool = False, + ) -> AuthInfo: + """Find and return credentials for the specified URL.""" + # Split the credentials and netloc from the url. + url, netloc, url_user_password = split_auth_netloc_from_url( + original_url, + ) + + # Start with the credentials embedded in the url + username, password = url_user_password + if username is not None and password is not None: + logger.debug("Found credentials in url for %s", netloc) + return url_user_password + + # Find a matching index url for this request + index_url = self._get_index_url(url) + if index_url: + # Split the credentials from the url. + index_info = split_auth_netloc_from_url(index_url) + if index_info: + index_url, _, index_url_user_password = index_info + logger.debug("Found index url %s", index_url) + + # If an index URL was found, try its embedded credentials + if index_url and index_url_user_password[0] is not None: + username, password = index_url_user_password + if username is not None and password is not None: + logger.debug("Found credentials in index url for %s", netloc) + return index_url_user_password + + # Get creds from netrc if we still don't have them + if allow_netrc: + netrc_auth = get_netrc_auth(original_url) + if netrc_auth: + logger.debug("Found credentials in netrc for %s", netloc) + return netrc_auth + + # If we don't have a password and keyring is available, use it. + if allow_keyring: + # The index url is more specific than the netloc, so try it first + # fmt: off + kr_auth = ( + self._get_keyring_auth(index_url, username) or + self._get_keyring_auth(netloc, username) + ) + # fmt: on + if kr_auth: + logger.debug("Found credentials in keyring for %s", netloc) + return kr_auth + + return username, password + + def _get_url_and_credentials( + self, original_url: str + ) -> Tuple[str, Optional[str], Optional[str]]: + """Return the credentials to use for the provided URL. + + If allowed, netrc and keyring may be used to obtain the + correct credentials. + + Returns (url_without_credentials, username, password). Note + that even if the original URL contains credentials, this + function may return a different username and password. + """ + url, netloc, _ = split_auth_netloc_from_url(original_url) + + # Try to get credentials from original url + username, password = self._get_new_credentials(original_url) + + # If credentials not found, use any stored credentials for this netloc. + # Do this if either the username or the password is missing. + # This accounts for the situation in which the user has specified + # the username in the index url, but the password comes from keyring. + if (username is None or password is None) and netloc in self.passwords: + un, pw = self.passwords[netloc] + # It is possible that the cached credentials are for a different username, + # in which case the cache should be ignored. + if username is None or username == un: + username, password = un, pw + + if username is not None or password is not None: + # Convert the username and password if they're None, so that + # this netloc will show up as "cached" in the conditional above. + # Further, HTTPBasicAuth doesn't accept None, so it makes sense to + # cache the value that is going to be used. + username = username or "" + password = password or "" + + # Store any acquired credentials. + self.passwords[netloc] = (username, password) + + assert ( + # Credentials were found + (username is not None and password is not None) + # Credentials were not found + or (username is None and password is None) + ), f"Could not load credentials from url: {original_url}" + + return url, username, password + + def __call__(self, req: Request) -> Request: + # Get credentials for this request + url, username, password = self._get_url_and_credentials(req.url) + + # Set the url of the request to the url without any credentials + req.url = url + + if username is not None and password is not None: + # Send the basic auth with this request + req = HTTPBasicAuth(username, password)(req) + + # Attach a hook to handle 401 responses + req.register_hook("response", self.handle_401) + + return req + + # Factored out to allow for easy patching in tests + def _prompt_for_password( + self, netloc: str + ) -> Tuple[Optional[str], Optional[str], bool]: + username = ask_input(f"User for {netloc}: ") if self.prompting else None + if not username: + return None, None, False + if self.use_keyring: + auth = self._get_keyring_auth(netloc, username) + if auth and auth[0] is not None and auth[1] is not None: + return auth[0], auth[1], False + password = ask_password("Password: ") + return username, password, True + + # Factored out to allow for easy patching in tests + def _should_save_password_to_keyring(self) -> bool: + if ( + not self.prompting + or not self.use_keyring + or not self.keyring_provider.has_keyring + ): + return False + return ask("Save credentials to keyring [y/N]: ", ["y", "n"]) == "y" + + def handle_401(self, resp: Response, **kwargs: Any) -> Response: + # We only care about 401 responses, anything else we want to just + # pass through the actual response + if resp.status_code != 401: + return resp + + username, password = None, None + + # Query the keyring for credentials: + if self.use_keyring: + username, password = self._get_new_credentials( + resp.url, + allow_netrc=False, + allow_keyring=True, + ) + + # We are not able to prompt the user so simply return the response + if not self.prompting and not username and not password: + return resp + + parsed = urllib.parse.urlparse(resp.url) + + # Prompt the user for a new username and password + save = False + if not username and not password: + username, password, save = self._prompt_for_password(parsed.netloc) + + # Store the new username and password to use for future requests + self._credentials_to_save = None + if username is not None and password is not None: + self.passwords[parsed.netloc] = (username, password) + + # Prompt to save the password to keyring + if save and self._should_save_password_to_keyring(): + self._credentials_to_save = Credentials( + url=parsed.netloc, + username=username, + password=password, + ) + + # Consume content and release the original connection to allow our new + # request to reuse the same one. + # The result of the assignment isn't used, it's just needed to consume + # the content. + _ = resp.content + resp.raw.release_conn() + + # Add our new username and password to the request + req = HTTPBasicAuth(username or "", password or "")(resp.request) + req.register_hook("response", self.warn_on_401) + + # On successful request, save the credentials that were used to + # keyring. (Note that if the user responded "no" above, this member + # is not set and nothing will be saved.) + if self._credentials_to_save: + req.register_hook("response", self.save_credentials) + + # Send our new request + new_resp = resp.connection.send(req, **kwargs) + new_resp.history.append(resp) + + return new_resp + + def warn_on_401(self, resp: Response, **kwargs: Any) -> None: + """Response callback to warn about incorrect credentials.""" + if resp.status_code == 401: + logger.warning( + "401 Error, Credentials not correct for %s", + resp.request.url, + ) + + def save_credentials(self, resp: Response, **kwargs: Any) -> None: + """Response callback to save credentials on success.""" + assert ( + self.keyring_provider.has_keyring + ), "should never reach here without keyring" + + creds = self._credentials_to_save + self._credentials_to_save = None + if creds and resp.status_code < 400: + try: + logger.info("Saving credentials to keyring") + self.keyring_provider.save_auth_info( + creds.url, creds.username, creds.password + ) + except Exception: + logger.exception("Failed to save credentials") diff --git a/.venv/Lib/site-packages/pip/_internal/network/cache.py b/.venv/Lib/site-packages/pip/_internal/network/cache.py new file mode 100644 index 0000000000000000000000000000000000000000..a81a23985198d2eaa3c25ad1f77924f0fcdb037b --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/cache.py @@ -0,0 +1,69 @@ +"""HTTP cache implementation. +""" + +import os +from contextlib import contextmanager +from typing import Generator, Optional + +from pip._vendor.cachecontrol.cache import BaseCache +from pip._vendor.cachecontrol.caches import FileCache +from pip._vendor.requests.models import Response + +from pip._internal.utils.filesystem import adjacent_tmp_file, replace +from pip._internal.utils.misc import ensure_dir + + +def is_from_cache(response: Response) -> bool: + return getattr(response, "from_cache", False) + + +@contextmanager +def suppressed_cache_errors() -> Generator[None, None, None]: + """If we can't access the cache then we can just skip caching and process + requests as if caching wasn't enabled. + """ + try: + yield + except OSError: + pass + + +class SafeFileCache(BaseCache): + """ + A file based cache which is safe to use even when the target directory may + not be accessible or writable. + """ + + def __init__(self, directory: str) -> None: + assert directory is not None, "Cache directory must not be None." + super().__init__() + self.directory = directory + + def _get_cache_path(self, name: str) -> str: + # From cachecontrol.caches.file_cache.FileCache._fn, brought into our + # class for backwards-compatibility and to avoid using a non-public + # method. + hashed = FileCache.encode(name) + parts = list(hashed[:5]) + [hashed] + return os.path.join(self.directory, *parts) + + def get(self, key: str) -> Optional[bytes]: + path = self._get_cache_path(key) + with suppressed_cache_errors(): + with open(path, "rb") as f: + return f.read() + + def set(self, key: str, value: bytes, expires: Optional[int] = None) -> None: + path = self._get_cache_path(key) + with suppressed_cache_errors(): + ensure_dir(os.path.dirname(path)) + + with adjacent_tmp_file(path) as f: + f.write(value) + + replace(f.name, path) + + def delete(self, key: str) -> None: + path = self._get_cache_path(key) + with suppressed_cache_errors(): + os.remove(path) diff --git a/.venv/Lib/site-packages/pip/_internal/network/download.py b/.venv/Lib/site-packages/pip/_internal/network/download.py new file mode 100644 index 0000000000000000000000000000000000000000..79b82a570e5be5ce4f8e4dcc4906da8c18f08ef6 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/download.py @@ -0,0 +1,186 @@ +"""Download files with progress indicators. +""" +import email.message +import logging +import mimetypes +import os +from typing import Iterable, Optional, Tuple + +from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response + +from pip._internal.cli.progress_bars import get_download_progress_renderer +from pip._internal.exceptions import NetworkConnectionError +from pip._internal.models.index import PyPI +from pip._internal.models.link import Link +from pip._internal.network.cache import is_from_cache +from pip._internal.network.session import PipSession +from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks +from pip._internal.utils.misc import format_size, redact_auth_from_url, splitext + +logger = logging.getLogger(__name__) + + +def _get_http_response_size(resp: Response) -> Optional[int]: + try: + return int(resp.headers["content-length"]) + except (ValueError, KeyError, TypeError): + return None + + +def _prepare_download( + resp: Response, + link: Link, + progress_bar: str, +) -> Iterable[bytes]: + total_length = _get_http_response_size(resp) + + if link.netloc == PyPI.file_storage_domain: + url = link.show_url + else: + url = link.url_without_fragment + + logged_url = redact_auth_from_url(url) + + if total_length: + logged_url = "{} ({})".format(logged_url, format_size(total_length)) + + if is_from_cache(resp): + logger.info("Using cached %s", logged_url) + else: + logger.info("Downloading %s", logged_url) + + if logger.getEffectiveLevel() > logging.INFO: + show_progress = False + elif is_from_cache(resp): + show_progress = False + elif not total_length: + show_progress = True + elif total_length > (40 * 1000): + show_progress = True + else: + show_progress = False + + chunks = response_chunks(resp, CONTENT_CHUNK_SIZE) + + if not show_progress: + return chunks + + renderer = get_download_progress_renderer(bar_type=progress_bar, size=total_length) + return renderer(chunks) + + +def sanitize_content_filename(filename: str) -> str: + """ + Sanitize the "filename" value from a Content-Disposition header. + """ + return os.path.basename(filename) + + +def parse_content_disposition(content_disposition: str, default_filename: str) -> str: + """ + Parse the "filename" value from a Content-Disposition header, and + return the default filename if the result is empty. + """ + m = email.message.Message() + m["content-type"] = content_disposition + filename = m.get_param("filename") + if filename: + # We need to sanitize the filename to prevent directory traversal + # in case the filename contains ".." path parts. + filename = sanitize_content_filename(str(filename)) + return filename or default_filename + + +def _get_http_response_filename(resp: Response, link: Link) -> str: + """Get an ideal filename from the given HTTP response, falling back to + the link filename if not provided. + """ + filename = link.filename # fallback + # Have a look at the Content-Disposition header for a better guess + content_disposition = resp.headers.get("content-disposition") + if content_disposition: + filename = parse_content_disposition(content_disposition, filename) + ext: Optional[str] = splitext(filename)[1] + if not ext: + ext = mimetypes.guess_extension(resp.headers.get("content-type", "")) + if ext: + filename += ext + if not ext and link.url != resp.url: + ext = os.path.splitext(resp.url)[1] + if ext: + filename += ext + return filename + + +def _http_get_download(session: PipSession, link: Link) -> Response: + target_url = link.url.split("#", 1)[0] + resp = session.get(target_url, headers=HEADERS, stream=True) + raise_for_status(resp) + return resp + + +class Downloader: + def __init__( + self, + session: PipSession, + progress_bar: str, + ) -> None: + self._session = session + self._progress_bar = progress_bar + + def __call__(self, link: Link, location: str) -> Tuple[str, str]: + """Download the file given by link into location.""" + try: + resp = _http_get_download(self._session, link) + except NetworkConnectionError as e: + assert e.response is not None + logger.critical( + "HTTP error %s while getting %s", e.response.status_code, link + ) + raise + + filename = _get_http_response_filename(resp, link) + filepath = os.path.join(location, filename) + + chunks = _prepare_download(resp, link, self._progress_bar) + with open(filepath, "wb") as content_file: + for chunk in chunks: + content_file.write(chunk) + content_type = resp.headers.get("Content-Type", "") + return filepath, content_type + + +class BatchDownloader: + def __init__( + self, + session: PipSession, + progress_bar: str, + ) -> None: + self._session = session + self._progress_bar = progress_bar + + def __call__( + self, links: Iterable[Link], location: str + ) -> Iterable[Tuple[Link, Tuple[str, str]]]: + """Download the files given by links into location.""" + for link in links: + try: + resp = _http_get_download(self._session, link) + except NetworkConnectionError as e: + assert e.response is not None + logger.critical( + "HTTP error %s while getting %s", + e.response.status_code, + link, + ) + raise + + filename = _get_http_response_filename(resp, link) + filepath = os.path.join(location, filename) + + chunks = _prepare_download(resp, link, self._progress_bar) + with open(filepath, "wb") as content_file: + for chunk in chunks: + content_file.write(chunk) + content_type = resp.headers.get("Content-Type", "") + yield link, (filepath, content_type) diff --git a/.venv/Lib/site-packages/pip/_internal/network/lazy_wheel.py b/.venv/Lib/site-packages/pip/_internal/network/lazy_wheel.py new file mode 100644 index 0000000000000000000000000000000000000000..82ec50d5106ff0ac41dd1c03c2a789dbc468c401 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/lazy_wheel.py @@ -0,0 +1,210 @@ +"""Lazy ZIP over HTTP""" + +__all__ = ["HTTPRangeRequestUnsupported", "dist_from_wheel_url"] + +from bisect import bisect_left, bisect_right +from contextlib import contextmanager +from tempfile import NamedTemporaryFile +from typing import Any, Dict, Generator, List, Optional, Tuple +from zipfile import BadZipFile, ZipFile + +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response + +from pip._internal.metadata import BaseDistribution, MemoryWheel, get_wheel_distribution +from pip._internal.network.session import PipSession +from pip._internal.network.utils import HEADERS, raise_for_status, response_chunks + + +class HTTPRangeRequestUnsupported(Exception): + pass + + +def dist_from_wheel_url(name: str, url: str, session: PipSession) -> BaseDistribution: + """Return a distribution object from the given wheel URL. + + This uses HTTP range requests to only fetch the portion of the wheel + containing metadata, just enough for the object to be constructed. + If such requests are not supported, HTTPRangeRequestUnsupported + is raised. + """ + with LazyZipOverHTTP(url, session) as zf: + # For read-only ZIP files, ZipFile only needs methods read, + # seek, seekable and tell, not the whole IO protocol. + wheel = MemoryWheel(zf.name, zf) # type: ignore + # After context manager exit, wheel.name + # is an invalid file by intention. + return get_wheel_distribution(wheel, canonicalize_name(name)) + + +class LazyZipOverHTTP: + """File-like object mapped to a ZIP file over HTTP. + + This uses HTTP range requests to lazily fetch the file's content, + which is supposed to be fed to ZipFile. If such requests are not + supported by the server, raise HTTPRangeRequestUnsupported + during initialization. + """ + + def __init__( + self, url: str, session: PipSession, chunk_size: int = CONTENT_CHUNK_SIZE + ) -> None: + head = session.head(url, headers=HEADERS) + raise_for_status(head) + assert head.status_code == 200 + self._session, self._url, self._chunk_size = session, url, chunk_size + self._length = int(head.headers["Content-Length"]) + self._file = NamedTemporaryFile() + self.truncate(self._length) + self._left: List[int] = [] + self._right: List[int] = [] + if "bytes" not in head.headers.get("Accept-Ranges", "none"): + raise HTTPRangeRequestUnsupported("range request is not supported") + self._check_zip() + + @property + def mode(self) -> str: + """Opening mode, which is always rb.""" + return "rb" + + @property + def name(self) -> str: + """Path to the underlying file.""" + return self._file.name + + def seekable(self) -> bool: + """Return whether random access is supported, which is True.""" + return True + + def close(self) -> None: + """Close the file.""" + self._file.close() + + @property + def closed(self) -> bool: + """Whether the file is closed.""" + return self._file.closed + + def read(self, size: int = -1) -> bytes: + """Read up to size bytes from the object and return them. + + As a convenience, if size is unspecified or -1, + all bytes until EOF are returned. Fewer than + size bytes may be returned if EOF is reached. + """ + download_size = max(size, self._chunk_size) + start, length = self.tell(), self._length + stop = length if size < 0 else min(start + download_size, length) + start = max(0, stop - download_size) + self._download(start, stop - 1) + return self._file.read(size) + + def readable(self) -> bool: + """Return whether the file is readable, which is True.""" + return True + + def seek(self, offset: int, whence: int = 0) -> int: + """Change stream position and return the new absolute position. + + Seek to offset relative position indicated by whence: + * 0: Start of stream (the default). pos should be >= 0; + * 1: Current position - pos may be negative; + * 2: End of stream - pos usually negative. + """ + return self._file.seek(offset, whence) + + def tell(self) -> int: + """Return the current position.""" + return self._file.tell() + + def truncate(self, size: Optional[int] = None) -> int: + """Resize the stream to the given size in bytes. + + If size is unspecified resize to the current position. + The current stream position isn't changed. + + Return the new file size. + """ + return self._file.truncate(size) + + def writable(self) -> bool: + """Return False.""" + return False + + def __enter__(self) -> "LazyZipOverHTTP": + self._file.__enter__() + return self + + def __exit__(self, *exc: Any) -> None: + self._file.__exit__(*exc) + + @contextmanager + def _stay(self) -> Generator[None, None, None]: + """Return a context manager keeping the position. + + At the end of the block, seek back to original position. + """ + pos = self.tell() + try: + yield + finally: + self.seek(pos) + + def _check_zip(self) -> None: + """Check and download until the file is a valid ZIP.""" + end = self._length - 1 + for start in reversed(range(0, end, self._chunk_size)): + self._download(start, end) + with self._stay(): + try: + # For read-only ZIP files, ZipFile only needs + # methods read, seek, seekable and tell. + ZipFile(self) # type: ignore + except BadZipFile: + pass + else: + break + + def _stream_response( + self, start: int, end: int, base_headers: Dict[str, str] = HEADERS + ) -> Response: + """Return HTTP response to a range request from start to end.""" + headers = base_headers.copy() + headers["Range"] = f"bytes={start}-{end}" + # TODO: Get range requests to be correctly cached + headers["Cache-Control"] = "no-cache" + return self._session.get(self._url, headers=headers, stream=True) + + def _merge( + self, start: int, end: int, left: int, right: int + ) -> Generator[Tuple[int, int], None, None]: + """Return a generator of intervals to be fetched. + + Args: + start (int): Start of needed interval + end (int): End of needed interval + left (int): Index of first overlapping downloaded data + right (int): Index after last overlapping downloaded data + """ + lslice, rslice = self._left[left:right], self._right[left:right] + i = start = min([start] + lslice[:1]) + end = max([end] + rslice[-1:]) + for j, k in zip(lslice, rslice): + if j > i: + yield i, j - 1 + i = k + 1 + if i <= end: + yield i, end + self._left[left:right], self._right[left:right] = [start], [end] + + def _download(self, start: int, end: int) -> None: + """Download bytes from start to end inclusively.""" + with self._stay(): + left = bisect_left(self._right, start) + right = bisect_right(self._left, end) + for start, end in self._merge(start, end, left, right): + response = self._stream_response(start, end) + response.raise_for_status() + self.seek(start) + for chunk in response_chunks(response, self._chunk_size): + self._file.write(chunk) diff --git a/.venv/Lib/site-packages/pip/_internal/network/session.py b/.venv/Lib/site-packages/pip/_internal/network/session.py new file mode 100644 index 0000000000000000000000000000000000000000..887dc14e796cad0257e5ccfd51ed3a21b7908821 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/session.py @@ -0,0 +1,519 @@ +"""PipSession and supporting code, containing all pip-specific +network request configuration and behavior. +""" + +import email.utils +import io +import ipaddress +import json +import logging +import mimetypes +import os +import platform +import shutil +import subprocess +import sys +import urllib.parse +import warnings +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Generator, + List, + Mapping, + Optional, + Sequence, + Tuple, + Union, +) + +from pip._vendor import requests, urllib3 +from pip._vendor.cachecontrol import CacheControlAdapter as _BaseCacheControlAdapter +from pip._vendor.requests.adapters import DEFAULT_POOLBLOCK, BaseAdapter +from pip._vendor.requests.adapters import HTTPAdapter as _BaseHTTPAdapter +from pip._vendor.requests.models import PreparedRequest, Response +from pip._vendor.requests.structures import CaseInsensitiveDict +from pip._vendor.urllib3.connectionpool import ConnectionPool +from pip._vendor.urllib3.exceptions import InsecureRequestWarning + +from pip import __version__ +from pip._internal.metadata import get_default_environment +from pip._internal.models.link import Link +from pip._internal.network.auth import MultiDomainBasicAuth +from pip._internal.network.cache import SafeFileCache + +# Import ssl from compat so the initial import occurs in only one place. +from pip._internal.utils.compat import has_tls +from pip._internal.utils.glibc import libc_ver +from pip._internal.utils.misc import build_url_from_netloc, parse_netloc +from pip._internal.utils.urls import url_to_path + +if TYPE_CHECKING: + from ssl import SSLContext + + from pip._vendor.urllib3.poolmanager import PoolManager + + +logger = logging.getLogger(__name__) + +SecureOrigin = Tuple[str, str, Optional[Union[int, str]]] + + +# Ignore warning raised when using --trusted-host. +warnings.filterwarnings("ignore", category=InsecureRequestWarning) + + +SECURE_ORIGINS: List[SecureOrigin] = [ + # protocol, hostname, port + # Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC) + ("https", "*", "*"), + ("*", "localhost", "*"), + ("*", "127.0.0.0/8", "*"), + ("*", "::1/128", "*"), + ("file", "*", None), + # ssh is always secure. + ("ssh", "*", "*"), +] + + +# These are environment variables present when running under various +# CI systems. For each variable, some CI systems that use the variable +# are indicated. The collection was chosen so that for each of a number +# of popular systems, at least one of the environment variables is used. +# This list is used to provide some indication of and lower bound for +# CI traffic to PyPI. Thus, it is okay if the list is not comprehensive. +# For more background, see: https://github.com/pypa/pip/issues/5499 +CI_ENVIRONMENT_VARIABLES = ( + # Azure Pipelines + "BUILD_BUILDID", + # Jenkins + "BUILD_ID", + # AppVeyor, CircleCI, Codeship, Gitlab CI, Shippable, Travis CI + "CI", + # Explicit environment variable. + "PIP_IS_CI", +) + + +def looks_like_ci() -> bool: + """ + Return whether it looks like pip is running under CI. + """ + # We don't use the method of checking for a tty (e.g. using isatty()) + # because some CI systems mimic a tty (e.g. Travis CI). Thus that + # method doesn't provide definitive information in either direction. + return any(name in os.environ for name in CI_ENVIRONMENT_VARIABLES) + + +def user_agent() -> str: + """ + Return a string representing the user agent. + """ + data: Dict[str, Any] = { + "installer": {"name": "pip", "version": __version__}, + "python": platform.python_version(), + "implementation": { + "name": platform.python_implementation(), + }, + } + + if data["implementation"]["name"] == "CPython": + data["implementation"]["version"] = platform.python_version() + elif data["implementation"]["name"] == "PyPy": + pypy_version_info = sys.pypy_version_info # type: ignore + if pypy_version_info.releaselevel == "final": + pypy_version_info = pypy_version_info[:3] + data["implementation"]["version"] = ".".join( + [str(x) for x in pypy_version_info] + ) + elif data["implementation"]["name"] == "Jython": + # Complete Guess + data["implementation"]["version"] = platform.python_version() + elif data["implementation"]["name"] == "IronPython": + # Complete Guess + data["implementation"]["version"] = platform.python_version() + + if sys.platform.startswith("linux"): + from pip._vendor import distro + + linux_distribution = distro.name(), distro.version(), distro.codename() + distro_infos: Dict[str, Any] = dict( + filter( + lambda x: x[1], + zip(["name", "version", "id"], linux_distribution), + ) + ) + libc = dict( + filter( + lambda x: x[1], + zip(["lib", "version"], libc_ver()), + ) + ) + if libc: + distro_infos["libc"] = libc + if distro_infos: + data["distro"] = distro_infos + + if sys.platform.startswith("darwin") and platform.mac_ver()[0]: + data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]} + + if platform.system(): + data.setdefault("system", {})["name"] = platform.system() + + if platform.release(): + data.setdefault("system", {})["release"] = platform.release() + + if platform.machine(): + data["cpu"] = platform.machine() + + if has_tls(): + import _ssl as ssl + + data["openssl_version"] = ssl.OPENSSL_VERSION + + setuptools_dist = get_default_environment().get_distribution("setuptools") + if setuptools_dist is not None: + data["setuptools_version"] = str(setuptools_dist.version) + + if shutil.which("rustc") is not None: + # If for any reason `rustc --version` fails, silently ignore it + try: + rustc_output = subprocess.check_output( + ["rustc", "--version"], stderr=subprocess.STDOUT, timeout=0.5 + ) + except Exception: + pass + else: + if rustc_output.startswith(b"rustc "): + # The format of `rustc --version` is: + # `b'rustc 1.52.1 (9bc8c42bb 2021-05-09)\n'` + # We extract just the middle (1.52.1) part + data["rustc_version"] = rustc_output.split(b" ")[1].decode() + + # Use None rather than False so as not to give the impression that + # pip knows it is not being run under CI. Rather, it is a null or + # inconclusive result. Also, we include some value rather than no + # value to make it easier to know that the check has been run. + data["ci"] = True if looks_like_ci() else None + + user_data = os.environ.get("PIP_USER_AGENT_USER_DATA") + if user_data is not None: + data["user_data"] = user_data + + return "{data[installer][name]}/{data[installer][version]} {json}".format( + data=data, + json=json.dumps(data, separators=(",", ":"), sort_keys=True), + ) + + +class LocalFSAdapter(BaseAdapter): + def send( + self, + request: PreparedRequest, + stream: bool = False, + timeout: Optional[Union[float, Tuple[float, float]]] = None, + verify: Union[bool, str] = True, + cert: Optional[Union[str, Tuple[str, str]]] = None, + proxies: Optional[Mapping[str, str]] = None, + ) -> Response: + pathname = url_to_path(request.url) + + resp = Response() + resp.status_code = 200 + resp.url = request.url + + try: + stats = os.stat(pathname) + except OSError as exc: + # format the exception raised as a io.BytesIO object, + # to return a better error message: + resp.status_code = 404 + resp.reason = type(exc).__name__ + resp.raw = io.BytesIO(f"{resp.reason}: {exc}".encode("utf8")) + else: + modified = email.utils.formatdate(stats.st_mtime, usegmt=True) + content_type = mimetypes.guess_type(pathname)[0] or "text/plain" + resp.headers = CaseInsensitiveDict( + { + "Content-Type": content_type, + "Content-Length": stats.st_size, + "Last-Modified": modified, + } + ) + + resp.raw = open(pathname, "rb") + resp.close = resp.raw.close + + return resp + + def close(self) -> None: + pass + + +class _SSLContextAdapterMixin: + """Mixin to add the ``ssl_context`` constructor argument to HTTP adapters. + + The additional argument is forwarded directly to the pool manager. This allows us + to dynamically decide what SSL store to use at runtime, which is used to implement + the optional ``truststore`` backend. + """ + + def __init__( + self, + *, + ssl_context: Optional["SSLContext"] = None, + **kwargs: Any, + ) -> None: + self._ssl_context = ssl_context + super().__init__(**kwargs) + + def init_poolmanager( + self, + connections: int, + maxsize: int, + block: bool = DEFAULT_POOLBLOCK, + **pool_kwargs: Any, + ) -> "PoolManager": + if self._ssl_context is not None: + pool_kwargs.setdefault("ssl_context", self._ssl_context) + return super().init_poolmanager( # type: ignore[misc] + connections=connections, + maxsize=maxsize, + block=block, + **pool_kwargs, + ) + + +class HTTPAdapter(_SSLContextAdapterMixin, _BaseHTTPAdapter): + pass + + +class CacheControlAdapter(_SSLContextAdapterMixin, _BaseCacheControlAdapter): + pass + + +class InsecureHTTPAdapter(HTTPAdapter): + def cert_verify( + self, + conn: ConnectionPool, + url: str, + verify: Union[bool, str], + cert: Optional[Union[str, Tuple[str, str]]], + ) -> None: + super().cert_verify(conn=conn, url=url, verify=False, cert=cert) + + +class InsecureCacheControlAdapter(CacheControlAdapter): + def cert_verify( + self, + conn: ConnectionPool, + url: str, + verify: Union[bool, str], + cert: Optional[Union[str, Tuple[str, str]]], + ) -> None: + super().cert_verify(conn=conn, url=url, verify=False, cert=cert) + + +class PipSession(requests.Session): + timeout: Optional[int] = None + + def __init__( + self, + *args: Any, + retries: int = 0, + cache: Optional[str] = None, + trusted_hosts: Sequence[str] = (), + index_urls: Optional[List[str]] = None, + ssl_context: Optional["SSLContext"] = None, + **kwargs: Any, + ) -> None: + """ + :param trusted_hosts: Domains not to emit warnings for when not using + HTTPS. + """ + super().__init__(*args, **kwargs) + + # Namespace the attribute with "pip_" just in case to prevent + # possible conflicts with the base class. + self.pip_trusted_origins: List[Tuple[str, Optional[int]]] = [] + + # Attach our User Agent to the request + self.headers["User-Agent"] = user_agent() + + # Attach our Authentication handler to the session + self.auth = MultiDomainBasicAuth(index_urls=index_urls) + + # Create our urllib3.Retry instance which will allow us to customize + # how we handle retries. + retries = urllib3.Retry( + # Set the total number of retries that a particular request can + # have. + total=retries, + # A 503 error from PyPI typically means that the Fastly -> Origin + # connection got interrupted in some way. A 503 error in general + # is typically considered a transient error so we'll go ahead and + # retry it. + # A 500 may indicate transient error in Amazon S3 + # A 520 or 527 - may indicate transient error in CloudFlare + status_forcelist=[500, 503, 520, 527], + # Add a small amount of back off between failed requests in + # order to prevent hammering the service. + backoff_factor=0.25, + ) # type: ignore + + # Our Insecure HTTPAdapter disables HTTPS validation. It does not + # support caching so we'll use it for all http:// URLs. + # If caching is disabled, we will also use it for + # https:// hosts that we've marked as ignoring + # TLS errors for (trusted-hosts). + insecure_adapter = InsecureHTTPAdapter(max_retries=retries) + + # We want to _only_ cache responses on securely fetched origins or when + # the host is specified as trusted. We do this because + # we can't validate the response of an insecurely/untrusted fetched + # origin, and we don't want someone to be able to poison the cache and + # require manual eviction from the cache to fix it. + if cache: + secure_adapter = CacheControlAdapter( + cache=SafeFileCache(cache), + max_retries=retries, + ssl_context=ssl_context, + ) + self._trusted_host_adapter = InsecureCacheControlAdapter( + cache=SafeFileCache(cache), + max_retries=retries, + ) + else: + secure_adapter = HTTPAdapter(max_retries=retries, ssl_context=ssl_context) + self._trusted_host_adapter = insecure_adapter + + self.mount("https://", secure_adapter) + self.mount("http://", insecure_adapter) + + # Enable file:// urls + self.mount("file://", LocalFSAdapter()) + + for host in trusted_hosts: + self.add_trusted_host(host, suppress_logging=True) + + def update_index_urls(self, new_index_urls: List[str]) -> None: + """ + :param new_index_urls: New index urls to update the authentication + handler with. + """ + self.auth.index_urls = new_index_urls + + def add_trusted_host( + self, host: str, source: Optional[str] = None, suppress_logging: bool = False + ) -> None: + """ + :param host: It is okay to provide a host that has previously been + added. + :param source: An optional source string, for logging where the host + string came from. + """ + if not suppress_logging: + msg = f"adding trusted host: {host!r}" + if source is not None: + msg += f" (from {source})" + logger.info(msg) + + parsed_host, parsed_port = parse_netloc(host) + if parsed_host is None: + raise ValueError(f"Trusted host URL must include a host part: {host!r}") + if (parsed_host, parsed_port) not in self.pip_trusted_origins: + self.pip_trusted_origins.append((parsed_host, parsed_port)) + + self.mount( + build_url_from_netloc(host, scheme="http") + "/", self._trusted_host_adapter + ) + self.mount(build_url_from_netloc(host) + "/", self._trusted_host_adapter) + if not parsed_port: + self.mount( + build_url_from_netloc(host, scheme="http") + ":", + self._trusted_host_adapter, + ) + # Mount wildcard ports for the same host. + self.mount(build_url_from_netloc(host) + ":", self._trusted_host_adapter) + + def iter_secure_origins(self) -> Generator[SecureOrigin, None, None]: + yield from SECURE_ORIGINS + for host, port in self.pip_trusted_origins: + yield ("*", host, "*" if port is None else port) + + def is_secure_origin(self, location: Link) -> bool: + # Determine if this url used a secure transport mechanism + parsed = urllib.parse.urlparse(str(location)) + origin_protocol, origin_host, origin_port = ( + parsed.scheme, + parsed.hostname, + parsed.port, + ) + + # The protocol to use to see if the protocol matches. + # Don't count the repository type as part of the protocol: in + # cases such as "git+ssh", only use "ssh". (I.e., Only verify against + # the last scheme.) + origin_protocol = origin_protocol.rsplit("+", 1)[-1] + + # Determine if our origin is a secure origin by looking through our + # hardcoded list of secure origins, as well as any additional ones + # configured on this PackageFinder instance. + for secure_origin in self.iter_secure_origins(): + secure_protocol, secure_host, secure_port = secure_origin + if origin_protocol != secure_protocol and secure_protocol != "*": + continue + + try: + addr = ipaddress.ip_address(origin_host or "") + network = ipaddress.ip_network(secure_host) + except ValueError: + # We don't have both a valid address or a valid network, so + # we'll check this origin against hostnames. + if ( + origin_host + and origin_host.lower() != secure_host.lower() + and secure_host != "*" + ): + continue + else: + # We have a valid address and network, so see if the address + # is contained within the network. + if addr not in network: + continue + + # Check to see if the port matches. + if ( + origin_port != secure_port + and secure_port != "*" + and secure_port is not None + ): + continue + + # If we've gotten here, then this origin matches the current + # secure origin and we should return True + return True + + # If we've gotten to this point, then the origin isn't secure and we + # will not accept it as a valid location to search. We will however + # log a warning that we are ignoring it. + logger.warning( + "The repository located at %s is not a trusted or secure host and " + "is being ignored. If this repository is available via HTTPS we " + "recommend you use HTTPS instead, otherwise you may silence " + "this warning and allow it anyway with '--trusted-host %s'.", + origin_host, + origin_host, + ) + + return False + + def request(self, method: str, url: str, *args: Any, **kwargs: Any) -> Response: + # Allow setting a default timeout on a session + kwargs.setdefault("timeout", self.timeout) + # Allow setting a default proxies on a session + kwargs.setdefault("proxies", self.proxies) + + # Dispatch the actual request + return super().request(method, url, *args, **kwargs) diff --git a/.venv/Lib/site-packages/pip/_internal/network/utils.py b/.venv/Lib/site-packages/pip/_internal/network/utils.py new file mode 100644 index 0000000000000000000000000000000000000000..134848ae526e54e2b18738f83088c4a17efcce96 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/utils.py @@ -0,0 +1,96 @@ +from typing import Dict, Generator + +from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response + +from pip._internal.exceptions import NetworkConnectionError + +# The following comments and HTTP headers were originally added by +# Donald Stufft in git commit 22c562429a61bb77172039e480873fb239dd8c03. +# +# We use Accept-Encoding: identity here because requests defaults to +# accepting compressed responses. This breaks in a variety of ways +# depending on how the server is configured. +# - Some servers will notice that the file isn't a compressible file +# and will leave the file alone and with an empty Content-Encoding +# - Some servers will notice that the file is already compressed and +# will leave the file alone, adding a Content-Encoding: gzip header +# - Some servers won't notice anything at all and will take a file +# that's already been compressed and compress it again, and set +# the Content-Encoding: gzip header +# By setting this to request only the identity encoding we're hoping +# to eliminate the third case. Hopefully there does not exist a server +# which when given a file will notice it is already compressed and that +# you're not asking for a compressed file and will then decompress it +# before sending because if that's the case I don't think it'll ever be +# possible to make this work. +HEADERS: Dict[str, str] = {"Accept-Encoding": "identity"} + + +def raise_for_status(resp: Response) -> None: + http_error_msg = "" + if isinstance(resp.reason, bytes): + # We attempt to decode utf-8 first because some servers + # choose to localize their reason strings. If the string + # isn't utf-8, we fall back to iso-8859-1 for all other + # encodings. + try: + reason = resp.reason.decode("utf-8") + except UnicodeDecodeError: + reason = resp.reason.decode("iso-8859-1") + else: + reason = resp.reason + + if 400 <= resp.status_code < 500: + http_error_msg = ( + f"{resp.status_code} Client Error: {reason} for url: {resp.url}" + ) + + elif 500 <= resp.status_code < 600: + http_error_msg = ( + f"{resp.status_code} Server Error: {reason} for url: {resp.url}" + ) + + if http_error_msg: + raise NetworkConnectionError(http_error_msg, response=resp) + + +def response_chunks( + response: Response, chunk_size: int = CONTENT_CHUNK_SIZE +) -> Generator[bytes, None, None]: + """Given a requests Response, provide the data chunks.""" + try: + # Special case for urllib3. + for chunk in response.raw.stream( + chunk_size, + # We use decode_content=False here because we don't + # want urllib3 to mess with the raw bytes we get + # from the server. If we decompress inside of + # urllib3 then we cannot verify the checksum + # because the checksum will be of the compressed + # file. This breakage will only occur if the + # server adds a Content-Encoding header, which + # depends on how the server was configured: + # - Some servers will notice that the file isn't a + # compressible file and will leave the file alone + # and with an empty Content-Encoding + # - Some servers will notice that the file is + # already compressed and will leave the file + # alone and will add a Content-Encoding: gzip + # header + # - Some servers won't notice anything at all and + # will take a file that's already been compressed + # and compress it again and set the + # Content-Encoding: gzip header + # + # By setting this not to decode automatically we + # hope to eliminate problems with the second case. + decode_content=False, + ): + yield chunk + except AttributeError: + # Standard file-like object. + while True: + chunk = response.raw.read(chunk_size) + if not chunk: + break + yield chunk diff --git a/.venv/Lib/site-packages/pip/_internal/network/xmlrpc.py b/.venv/Lib/site-packages/pip/_internal/network/xmlrpc.py new file mode 100644 index 0000000000000000000000000000000000000000..4a7d55d0e50cb8b892caa021695522e5ddd54a17 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/network/xmlrpc.py @@ -0,0 +1,60 @@ +"""xmlrpclib.Transport implementation +""" + +import logging +import urllib.parse +import xmlrpc.client +from typing import TYPE_CHECKING, Tuple + +from pip._internal.exceptions import NetworkConnectionError +from pip._internal.network.session import PipSession +from pip._internal.network.utils import raise_for_status + +if TYPE_CHECKING: + from xmlrpc.client import _HostType, _Marshallable + +logger = logging.getLogger(__name__) + + +class PipXmlrpcTransport(xmlrpc.client.Transport): + """Provide a `xmlrpclib.Transport` implementation via a `PipSession` + object. + """ + + def __init__( + self, index_url: str, session: PipSession, use_datetime: bool = False + ) -> None: + super().__init__(use_datetime) + index_parts = urllib.parse.urlparse(index_url) + self._scheme = index_parts.scheme + self._session = session + + def request( + self, + host: "_HostType", + handler: str, + request_body: bytes, + verbose: bool = False, + ) -> Tuple["_Marshallable", ...]: + assert isinstance(host, str) + parts = (self._scheme, host, handler, None, None, None) + url = urllib.parse.urlunparse(parts) + try: + headers = {"Content-Type": "text/xml"} + response = self._session.post( + url, + data=request_body, + headers=headers, + stream=True, + ) + raise_for_status(response) + self.verbose = verbose + return self.parse_response(response.raw) + except NetworkConnectionError as exc: + assert exc.response + logger.critical( + "HTTP error %s while getting %s", + exc.response.status_code, + url, + ) + raise diff --git a/.venv/Lib/site-packages/pip/_internal/operations/__init__.py b/.venv/Lib/site-packages/pip/_internal/operations/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/__init__.py b/.venv/Lib/site-packages/pip/_internal/operations/build/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/build_tracker.py b/.venv/Lib/site-packages/pip/_internal/operations/build/build_tracker.py new file mode 100644 index 0000000000000000000000000000000000000000..6621549b8449130d2d01ebac0a3649d8b70c4f91 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/build_tracker.py @@ -0,0 +1,124 @@ +import contextlib +import hashlib +import logging +import os +from types import TracebackType +from typing import Dict, Generator, Optional, Set, Type, Union + +from pip._internal.models.link import Link +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.temp_dir import TempDirectory + +logger = logging.getLogger(__name__) + + +@contextlib.contextmanager +def update_env_context_manager(**changes: str) -> Generator[None, None, None]: + target = os.environ + + # Save values from the target and change them. + non_existent_marker = object() + saved_values: Dict[str, Union[object, str]] = {} + for name, new_value in changes.items(): + try: + saved_values[name] = target[name] + except KeyError: + saved_values[name] = non_existent_marker + target[name] = new_value + + try: + yield + finally: + # Restore original values in the target. + for name, original_value in saved_values.items(): + if original_value is non_existent_marker: + del target[name] + else: + assert isinstance(original_value, str) # for mypy + target[name] = original_value + + +@contextlib.contextmanager +def get_build_tracker() -> Generator["BuildTracker", None, None]: + root = os.environ.get("PIP_BUILD_TRACKER") + with contextlib.ExitStack() as ctx: + if root is None: + root = ctx.enter_context(TempDirectory(kind="build-tracker")).path + ctx.enter_context(update_env_context_manager(PIP_BUILD_TRACKER=root)) + logger.debug("Initialized build tracking at %s", root) + + with BuildTracker(root) as tracker: + yield tracker + + +class BuildTracker: + def __init__(self, root: str) -> None: + self._root = root + self._entries: Set[InstallRequirement] = set() + logger.debug("Created build tracker: %s", self._root) + + def __enter__(self) -> "BuildTracker": + logger.debug("Entered build tracker: %s", self._root) + return self + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + self.cleanup() + + def _entry_path(self, link: Link) -> str: + hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest() + return os.path.join(self._root, hashed) + + def add(self, req: InstallRequirement) -> None: + """Add an InstallRequirement to build tracking.""" + + assert req.link + # Get the file to write information about this requirement. + entry_path = self._entry_path(req.link) + + # Try reading from the file. If it exists and can be read from, a build + # is already in progress, so a LookupError is raised. + try: + with open(entry_path) as fp: + contents = fp.read() + except FileNotFoundError: + pass + else: + message = "{} is already being built: {}".format(req.link, contents) + raise LookupError(message) + + # If we're here, req should really not be building already. + assert req not in self._entries + + # Start tracking this requirement. + with open(entry_path, "w", encoding="utf-8") as fp: + fp.write(str(req)) + self._entries.add(req) + + logger.debug("Added %s to build tracker %r", req, self._root) + + def remove(self, req: InstallRequirement) -> None: + """Remove an InstallRequirement from build tracking.""" + + assert req.link + # Delete the created file and the corresponding entries. + os.unlink(self._entry_path(req.link)) + self._entries.remove(req) + + logger.debug("Removed %s from build tracker %r", req, self._root) + + def cleanup(self) -> None: + for req in set(self._entries): + self.remove(req) + + logger.debug("Removed build tracker: %r", self._root) + + @contextlib.contextmanager + def track(self, req: InstallRequirement) -> Generator[None, None, None]: + self.add(req) + yield + self.remove(req) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/metadata.py b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata.py new file mode 100644 index 0000000000000000000000000000000000000000..c66ac354deb035405fe0e4040dac539d28570257 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata.py @@ -0,0 +1,39 @@ +"""Metadata generation logic for source distributions. +""" + +import os + +from pip._vendor.pyproject_hooks import BuildBackendHookCaller + +from pip._internal.build_env import BuildEnvironment +from pip._internal.exceptions import ( + InstallationSubprocessError, + MetadataGenerationFailed, +) +from pip._internal.utils.subprocess import runner_with_spinner_message +from pip._internal.utils.temp_dir import TempDirectory + + +def generate_metadata( + build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str +) -> str: + """Generate metadata using mechanisms described in PEP 517. + + Returns the generated metadata directory. + """ + metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True) + + metadata_dir = metadata_tmpdir.path + + with build_env: + # Note that BuildBackendHookCaller implements a fallback for + # prepare_metadata_for_build_wheel, so we don't have to + # consider the possibility that this hook doesn't exist. + runner = runner_with_spinner_message("Preparing metadata (pyproject.toml)") + with backend.subprocess_runner(runner): + try: + distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir) + except InstallationSubprocessError as error: + raise MetadataGenerationFailed(package_details=details) from error + + return os.path.join(metadata_dir, distinfo_dir) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py new file mode 100644 index 0000000000000000000000000000000000000000..27c69f0d1eaf3e223d599e91f969d52a821426fe --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_editable.py @@ -0,0 +1,41 @@ +"""Metadata generation logic for source distributions. +""" + +import os + +from pip._vendor.pyproject_hooks import BuildBackendHookCaller + +from pip._internal.build_env import BuildEnvironment +from pip._internal.exceptions import ( + InstallationSubprocessError, + MetadataGenerationFailed, +) +from pip._internal.utils.subprocess import runner_with_spinner_message +from pip._internal.utils.temp_dir import TempDirectory + + +def generate_editable_metadata( + build_env: BuildEnvironment, backend: BuildBackendHookCaller, details: str +) -> str: + """Generate metadata using mechanisms described in PEP 660. + + Returns the generated metadata directory. + """ + metadata_tmpdir = TempDirectory(kind="modern-metadata", globally_managed=True) + + metadata_dir = metadata_tmpdir.path + + with build_env: + # Note that BuildBackendHookCaller implements a fallback for + # prepare_metadata_for_build_wheel/editable, so we don't have to + # consider the possibility that this hook doesn't exist. + runner = runner_with_spinner_message( + "Preparing editable metadata (pyproject.toml)" + ) + with backend.subprocess_runner(runner): + try: + distinfo_dir = backend.prepare_metadata_for_build_editable(metadata_dir) + except InstallationSubprocessError as error: + raise MetadataGenerationFailed(package_details=details) from error + + return os.path.join(metadata_dir, distinfo_dir) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py new file mode 100644 index 0000000000000000000000000000000000000000..e60988d643e007801f79e8718354e7d00c7acf18 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/metadata_legacy.py @@ -0,0 +1,74 @@ +"""Metadata generation logic for legacy source distributions. +""" + +import logging +import os + +from pip._internal.build_env import BuildEnvironment +from pip._internal.cli.spinners import open_spinner +from pip._internal.exceptions import ( + InstallationError, + InstallationSubprocessError, + MetadataGenerationFailed, +) +from pip._internal.utils.setuptools_build import make_setuptools_egg_info_args +from pip._internal.utils.subprocess import call_subprocess +from pip._internal.utils.temp_dir import TempDirectory + +logger = logging.getLogger(__name__) + + +def _find_egg_info(directory: str) -> str: + """Find an .egg-info subdirectory in `directory`.""" + filenames = [f for f in os.listdir(directory) if f.endswith(".egg-info")] + + if not filenames: + raise InstallationError(f"No .egg-info directory found in {directory}") + + if len(filenames) > 1: + raise InstallationError( + "More than one .egg-info directory found in {}".format(directory) + ) + + return os.path.join(directory, filenames[0]) + + +def generate_metadata( + build_env: BuildEnvironment, + setup_py_path: str, + source_dir: str, + isolated: bool, + details: str, +) -> str: + """Generate metadata using setup.py-based defacto mechanisms. + + Returns the generated metadata directory. + """ + logger.debug( + "Running setup.py (path:%s) egg_info for package %s", + setup_py_path, + details, + ) + + egg_info_dir = TempDirectory(kind="pip-egg-info", globally_managed=True).path + + args = make_setuptools_egg_info_args( + setup_py_path, + egg_info_dir=egg_info_dir, + no_user_config=isolated, + ) + + with build_env: + with open_spinner("Preparing metadata (setup.py)") as spinner: + try: + call_subprocess( + args, + cwd=source_dir, + command_desc="python setup.py egg_info", + spinner=spinner, + ) + except InstallationSubprocessError as error: + raise MetadataGenerationFailed(package_details=details) from error + + # Return the .egg-info directory. + return _find_egg_info(egg_info_dir) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/wheel.py b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel.py new file mode 100644 index 0000000000000000000000000000000000000000..064811ad11bb07b2b7bc8e30ec6c03f21997d6b2 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel.py @@ -0,0 +1,37 @@ +import logging +import os +from typing import Optional + +from pip._vendor.pyproject_hooks import BuildBackendHookCaller + +from pip._internal.utils.subprocess import runner_with_spinner_message + +logger = logging.getLogger(__name__) + + +def build_wheel_pep517( + name: str, + backend: BuildBackendHookCaller, + metadata_directory: str, + tempd: str, +) -> Optional[str]: + """Build one InstallRequirement using the PEP 517 build process. + + Returns path to wheel if successfully built. Otherwise, returns None. + """ + assert metadata_directory is not None + try: + logger.debug("Destination directory: %s", tempd) + + runner = runner_with_spinner_message( + f"Building wheel for {name} (pyproject.toml)" + ) + with backend.subprocess_runner(runner): + wheel_name = backend.build_wheel( + tempd, + metadata_directory=metadata_directory, + ) + except Exception: + logger.error("Failed building wheel for %s", name) + return None + return os.path.join(tempd, wheel_name) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py new file mode 100644 index 0000000000000000000000000000000000000000..719d69dd801b78b360c6c2234080eee638b8de82 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_editable.py @@ -0,0 +1,46 @@ +import logging +import os +from typing import Optional + +from pip._vendor.pyproject_hooks import BuildBackendHookCaller, HookMissing + +from pip._internal.utils.subprocess import runner_with_spinner_message + +logger = logging.getLogger(__name__) + + +def build_wheel_editable( + name: str, + backend: BuildBackendHookCaller, + metadata_directory: str, + tempd: str, +) -> Optional[str]: + """Build one InstallRequirement using the PEP 660 build process. + + Returns path to wheel if successfully built. Otherwise, returns None. + """ + assert metadata_directory is not None + try: + logger.debug("Destination directory: %s", tempd) + + runner = runner_with_spinner_message( + f"Building editable for {name} (pyproject.toml)" + ) + with backend.subprocess_runner(runner): + try: + wheel_name = backend.build_editable( + tempd, + metadata_directory=metadata_directory, + ) + except HookMissing as e: + logger.error( + "Cannot build editable %s because the build " + "backend does not have the %s hook", + name, + e, + ) + return None + except Exception: + logger.error("Failed building editable for %s", name) + return None + return os.path.join(tempd, wheel_name) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py new file mode 100644 index 0000000000000000000000000000000000000000..c5f0492ccbe9c727c835c12c84a1d8340366fa1e --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/build/wheel_legacy.py @@ -0,0 +1,102 @@ +import logging +import os.path +from typing import List, Optional + +from pip._internal.cli.spinners import open_spinner +from pip._internal.utils.setuptools_build import make_setuptools_bdist_wheel_args +from pip._internal.utils.subprocess import call_subprocess, format_command_args + +logger = logging.getLogger(__name__) + + +def format_command_result( + command_args: List[str], + command_output: str, +) -> str: + """Format command information for logging.""" + command_desc = format_command_args(command_args) + text = f"Command arguments: {command_desc}\n" + + if not command_output: + text += "Command output: None" + elif logger.getEffectiveLevel() > logging.DEBUG: + text += "Command output: [use --verbose to show]" + else: + if not command_output.endswith("\n"): + command_output += "\n" + text += f"Command output:\n{command_output}" + + return text + + +def get_legacy_build_wheel_path( + names: List[str], + temp_dir: str, + name: str, + command_args: List[str], + command_output: str, +) -> Optional[str]: + """Return the path to the wheel in the temporary build directory.""" + # Sort for determinism. + names = sorted(names) + if not names: + msg = ("Legacy build of wheel for {!r} created no files.\n").format(name) + msg += format_command_result(command_args, command_output) + logger.warning(msg) + return None + + if len(names) > 1: + msg = ( + "Legacy build of wheel for {!r} created more than one file.\n" + "Filenames (choosing first): {}\n" + ).format(name, names) + msg += format_command_result(command_args, command_output) + logger.warning(msg) + + return os.path.join(temp_dir, names[0]) + + +def build_wheel_legacy( + name: str, + setup_py_path: str, + source_dir: str, + global_options: List[str], + build_options: List[str], + tempd: str, +) -> Optional[str]: + """Build one unpacked package using the "legacy" build process. + + Returns path to wheel if successfully built. Otherwise, returns None. + """ + wheel_args = make_setuptools_bdist_wheel_args( + setup_py_path, + global_options=global_options, + build_options=build_options, + destination_dir=tempd, + ) + + spin_message = f"Building wheel for {name} (setup.py)" + with open_spinner(spin_message) as spinner: + logger.debug("Destination directory: %s", tempd) + + try: + output = call_subprocess( + wheel_args, + command_desc="python setup.py bdist_wheel", + cwd=source_dir, + spinner=spinner, + ) + except Exception: + spinner.finish("error") + logger.error("Failed building wheel for %s", name) + return None + + names = os.listdir(tempd) + wheel_path = get_legacy_build_wheel_path( + names=names, + temp_dir=tempd, + name=name, + command_args=wheel_args, + command_output=output, + ) + return wheel_path diff --git a/.venv/Lib/site-packages/pip/_internal/operations/check.py b/.venv/Lib/site-packages/pip/_internal/operations/check.py new file mode 100644 index 0000000000000000000000000000000000000000..2610459228fe87836fd9311d45b3f77b676c0f11 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/check.py @@ -0,0 +1,187 @@ +"""Validation of dependencies of packages +""" + +import logging +from typing import Callable, Dict, List, NamedTuple, Optional, Set, Tuple + +from pip._vendor.packaging.requirements import Requirement +from pip._vendor.packaging.specifiers import LegacySpecifier +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.packaging.version import LegacyVersion + +from pip._internal.distributions import make_distribution_for_install_requirement +from pip._internal.metadata import get_default_environment +from pip._internal.metadata.base import DistributionVersion +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.deprecation import deprecated + +logger = logging.getLogger(__name__) + + +class PackageDetails(NamedTuple): + version: DistributionVersion + dependencies: List[Requirement] + + +# Shorthands +PackageSet = Dict[NormalizedName, PackageDetails] +Missing = Tuple[NormalizedName, Requirement] +Conflicting = Tuple[NormalizedName, DistributionVersion, Requirement] + +MissingDict = Dict[NormalizedName, List[Missing]] +ConflictingDict = Dict[NormalizedName, List[Conflicting]] +CheckResult = Tuple[MissingDict, ConflictingDict] +ConflictDetails = Tuple[PackageSet, CheckResult] + + +def create_package_set_from_installed() -> Tuple[PackageSet, bool]: + """Converts a list of distributions into a PackageSet.""" + package_set = {} + problems = False + env = get_default_environment() + for dist in env.iter_installed_distributions(local_only=False, skip=()): + name = dist.canonical_name + try: + dependencies = list(dist.iter_dependencies()) + package_set[name] = PackageDetails(dist.version, dependencies) + except (OSError, ValueError) as e: + # Don't crash on unreadable or broken metadata. + logger.warning("Error parsing requirements for %s: %s", name, e) + problems = True + return package_set, problems + + +def check_package_set( + package_set: PackageSet, should_ignore: Optional[Callable[[str], bool]] = None +) -> CheckResult: + """Check if a package set is consistent + + If should_ignore is passed, it should be a callable that takes a + package name and returns a boolean. + """ + + warn_legacy_versions_and_specifiers(package_set) + + missing = {} + conflicting = {} + + for package_name, package_detail in package_set.items(): + # Info about dependencies of package_name + missing_deps: Set[Missing] = set() + conflicting_deps: Set[Conflicting] = set() + + if should_ignore and should_ignore(package_name): + continue + + for req in package_detail.dependencies: + name = canonicalize_name(req.name) + + # Check if it's missing + if name not in package_set: + missed = True + if req.marker is not None: + missed = req.marker.evaluate({"extra": ""}) + if missed: + missing_deps.add((name, req)) + continue + + # Check if there's a conflict + version = package_set[name].version + if not req.specifier.contains(version, prereleases=True): + conflicting_deps.add((name, version, req)) + + if missing_deps: + missing[package_name] = sorted(missing_deps, key=str) + if conflicting_deps: + conflicting[package_name] = sorted(conflicting_deps, key=str) + + return missing, conflicting + + +def check_install_conflicts(to_install: List[InstallRequirement]) -> ConflictDetails: + """For checking if the dependency graph would be consistent after \ + installing given requirements + """ + # Start from the current state + package_set, _ = create_package_set_from_installed() + # Install packages + would_be_installed = _simulate_installation_of(to_install, package_set) + + # Only warn about directly-dependent packages; create a whitelist of them + whitelist = _create_whitelist(would_be_installed, package_set) + + return ( + package_set, + check_package_set( + package_set, should_ignore=lambda name: name not in whitelist + ), + ) + + +def _simulate_installation_of( + to_install: List[InstallRequirement], package_set: PackageSet +) -> Set[NormalizedName]: + """Computes the version of packages after installing to_install.""" + # Keep track of packages that were installed + installed = set() + + # Modify it as installing requirement_set would (assuming no errors) + for inst_req in to_install: + abstract_dist = make_distribution_for_install_requirement(inst_req) + dist = abstract_dist.get_metadata_distribution() + name = dist.canonical_name + package_set[name] = PackageDetails(dist.version, list(dist.iter_dependencies())) + + installed.add(name) + + return installed + + +def _create_whitelist( + would_be_installed: Set[NormalizedName], package_set: PackageSet +) -> Set[NormalizedName]: + packages_affected = set(would_be_installed) + + for package_name in package_set: + if package_name in packages_affected: + continue + + for req in package_set[package_name].dependencies: + if canonicalize_name(req.name) in packages_affected: + packages_affected.add(package_name) + break + + return packages_affected + + +def warn_legacy_versions_and_specifiers(package_set: PackageSet) -> None: + for project_name, package_details in package_set.items(): + if isinstance(package_details.version, LegacyVersion): + deprecated( + reason=( + f"{project_name} {package_details.version} " + f"has a non-standard version number." + ), + replacement=( + f"to upgrade to a newer version of {project_name} " + f"or contact the author to suggest that they " + f"release a version with a conforming version number" + ), + issue=12063, + gone_in="23.3", + ) + for dep in package_details.dependencies: + if any(isinstance(spec, LegacySpecifier) for spec in dep.specifier): + deprecated( + reason=( + f"{project_name} {package_details.version} " + f"has a non-standard dependency specifier {dep}." + ), + replacement=( + f"to upgrade to a newer version of {project_name} " + f"or contact the author to suggest that they " + f"release a version with a conforming dependency specifiers" + ), + issue=12063, + gone_in="23.3", + ) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/freeze.py b/.venv/Lib/site-packages/pip/_internal/operations/freeze.py new file mode 100644 index 0000000000000000000000000000000000000000..354456845141eba23dce26482aa6d4196f4804de --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/freeze.py @@ -0,0 +1,255 @@ +import collections +import logging +import os +from typing import Container, Dict, Generator, Iterable, List, NamedTuple, Optional, Set + +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.packaging.version import Version + +from pip._internal.exceptions import BadCommand, InstallationError +from pip._internal.metadata import BaseDistribution, get_environment +from pip._internal.req.constructors import ( + install_req_from_editable, + install_req_from_line, +) +from pip._internal.req.req_file import COMMENT_RE +from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference + +logger = logging.getLogger(__name__) + + +class _EditableInfo(NamedTuple): + requirement: str + comments: List[str] + + +def freeze( + requirement: Optional[List[str]] = None, + local_only: bool = False, + user_only: bool = False, + paths: Optional[List[str]] = None, + isolated: bool = False, + exclude_editable: bool = False, + skip: Container[str] = (), +) -> Generator[str, None, None]: + installations: Dict[str, FrozenRequirement] = {} + + dists = get_environment(paths).iter_installed_distributions( + local_only=local_only, + skip=(), + user_only=user_only, + ) + for dist in dists: + req = FrozenRequirement.from_dist(dist) + if exclude_editable and req.editable: + continue + installations[req.canonical_name] = req + + if requirement: + # the options that don't get turned into an InstallRequirement + # should only be emitted once, even if the same option is in multiple + # requirements files, so we need to keep track of what has been emitted + # so that we don't emit it again if it's seen again + emitted_options: Set[str] = set() + # keep track of which files a requirement is in so that we can + # give an accurate warning if a requirement appears multiple times. + req_files: Dict[str, List[str]] = collections.defaultdict(list) + for req_file_path in requirement: + with open(req_file_path) as req_file: + for line in req_file: + if ( + not line.strip() + or line.strip().startswith("#") + or line.startswith( + ( + "-r", + "--requirement", + "-f", + "--find-links", + "-i", + "--index-url", + "--pre", + "--trusted-host", + "--process-dependency-links", + "--extra-index-url", + "--use-feature", + ) + ) + ): + line = line.rstrip() + if line not in emitted_options: + emitted_options.add(line) + yield line + continue + + if line.startswith("-e") or line.startswith("--editable"): + if line.startswith("-e"): + line = line[2:].strip() + else: + line = line[len("--editable") :].strip().lstrip("=") + line_req = install_req_from_editable( + line, + isolated=isolated, + ) + else: + line_req = install_req_from_line( + COMMENT_RE.sub("", line).strip(), + isolated=isolated, + ) + + if not line_req.name: + logger.info( + "Skipping line in requirement file [%s] because " + "it's not clear what it would install: %s", + req_file_path, + line.strip(), + ) + logger.info( + " (add #egg=PackageName to the URL to avoid" + " this warning)" + ) + else: + line_req_canonical_name = canonicalize_name(line_req.name) + if line_req_canonical_name not in installations: + # either it's not installed, or it is installed + # but has been processed already + if not req_files[line_req.name]: + logger.warning( + "Requirement file [%s] contains %s, but " + "package %r is not installed", + req_file_path, + COMMENT_RE.sub("", line).strip(), + line_req.name, + ) + else: + req_files[line_req.name].append(req_file_path) + else: + yield str(installations[line_req_canonical_name]).rstrip() + del installations[line_req_canonical_name] + req_files[line_req.name].append(req_file_path) + + # Warn about requirements that were included multiple times (in a + # single requirements file or in different requirements files). + for name, files in req_files.items(): + if len(files) > 1: + logger.warning( + "Requirement %s included multiple times [%s]", + name, + ", ".join(sorted(set(files))), + ) + + yield ("## The following requirements were added by pip freeze:") + for installation in sorted(installations.values(), key=lambda x: x.name.lower()): + if installation.canonical_name not in skip: + yield str(installation).rstrip() + + +def _format_as_name_version(dist: BaseDistribution) -> str: + dist_version = dist.version + if isinstance(dist_version, Version): + return f"{dist.raw_name}=={dist_version}" + return f"{dist.raw_name}==={dist_version}" + + +def _get_editable_info(dist: BaseDistribution) -> _EditableInfo: + """ + Compute and return values (req, comments) for use in + FrozenRequirement.from_dist(). + """ + editable_project_location = dist.editable_project_location + assert editable_project_location + location = os.path.normcase(os.path.abspath(editable_project_location)) + + from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs + + vcs_backend = vcs.get_backend_for_dir(location) + + if vcs_backend is None: + display = _format_as_name_version(dist) + logger.debug( + 'No VCS found for editable requirement "%s" in: %r', + display, + location, + ) + return _EditableInfo( + requirement=location, + comments=[f"# Editable install with no version control ({display})"], + ) + + vcs_name = type(vcs_backend).__name__ + + try: + req = vcs_backend.get_src_requirement(location, dist.raw_name) + except RemoteNotFoundError: + display = _format_as_name_version(dist) + return _EditableInfo( + requirement=location, + comments=[f"# Editable {vcs_name} install with no remote ({display})"], + ) + except RemoteNotValidError as ex: + display = _format_as_name_version(dist) + return _EditableInfo( + requirement=location, + comments=[ + f"# Editable {vcs_name} install ({display}) with either a deleted " + f"local remote or invalid URI:", + f"# '{ex.url}'", + ], + ) + except BadCommand: + logger.warning( + "cannot determine version of editable source in %s " + "(%s command not found in path)", + location, + vcs_backend.name, + ) + return _EditableInfo(requirement=location, comments=[]) + except InstallationError as exc: + logger.warning("Error when trying to get requirement for VCS system %s", exc) + else: + return _EditableInfo(requirement=req, comments=[]) + + logger.warning("Could not determine repository location of %s", location) + + return _EditableInfo( + requirement=location, + comments=["## !! Could not determine repository location"], + ) + + +class FrozenRequirement: + def __init__( + self, + name: str, + req: str, + editable: bool, + comments: Iterable[str] = (), + ) -> None: + self.name = name + self.canonical_name = canonicalize_name(name) + self.req = req + self.editable = editable + self.comments = comments + + @classmethod + def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement": + editable = dist.editable + if editable: + req, comments = _get_editable_info(dist) + else: + comments = [] + direct_url = dist.direct_url + if direct_url: + # if PEP 610 metadata is present, use it + req = direct_url_as_pep440_direct_reference(direct_url, dist.raw_name) + else: + # name==version requirement + req = _format_as_name_version(dist) + + return cls(dist.raw_name, req, editable, comments=comments) + + def __str__(self) -> str: + req = self.req + if self.editable: + req = f"-e {req}" + return "\n".join(list(self.comments) + [str(req)]) + "\n" diff --git a/.venv/Lib/site-packages/pip/_internal/operations/install/__init__.py b/.venv/Lib/site-packages/pip/_internal/operations/install/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..24d6a5dd31fe33b03f90ed0f9ee465253686900c --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/install/__init__.py @@ -0,0 +1,2 @@ +"""For modules related to installing packages. +""" diff --git a/.venv/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py b/.venv/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py new file mode 100644 index 0000000000000000000000000000000000000000..bebe24e6d3ac321523e0442d28b77b6e6df85970 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/install/editable_legacy.py @@ -0,0 +1,46 @@ +"""Legacy editable installation process, i.e. `setup.py develop`. +""" +import logging +from typing import Optional, Sequence + +from pip._internal.build_env import BuildEnvironment +from pip._internal.utils.logging import indent_log +from pip._internal.utils.setuptools_build import make_setuptools_develop_args +from pip._internal.utils.subprocess import call_subprocess + +logger = logging.getLogger(__name__) + + +def install_editable( + *, + global_options: Sequence[str], + prefix: Optional[str], + home: Optional[str], + use_user_site: bool, + name: str, + setup_py_path: str, + isolated: bool, + build_env: BuildEnvironment, + unpacked_source_directory: str, +) -> None: + """Install a package in editable mode. Most arguments are pass-through + to setuptools. + """ + logger.info("Running setup.py develop for %s", name) + + args = make_setuptools_develop_args( + setup_py_path, + global_options=global_options, + no_user_config=isolated, + prefix=prefix, + home=home, + use_user_site=use_user_site, + ) + + with indent_log(): + with build_env: + call_subprocess( + args, + command_desc="python setup.py develop", + cwd=unpacked_source_directory, + ) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/install/wheel.py b/.venv/Lib/site-packages/pip/_internal/operations/install/wheel.py new file mode 100644 index 0000000000000000000000000000000000000000..a8cd1330f0f73ac76832bdbd6b455b10bd91ba83 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/install/wheel.py @@ -0,0 +1,740 @@ +"""Support for installing and building the "wheel" binary package format. +""" + +import collections +import compileall +import contextlib +import csv +import importlib +import logging +import os.path +import re +import shutil +import sys +import warnings +from base64 import urlsafe_b64encode +from email.message import Message +from itertools import chain, filterfalse, starmap +from typing import ( + IO, + TYPE_CHECKING, + Any, + BinaryIO, + Callable, + Dict, + Generator, + Iterable, + Iterator, + List, + NewType, + Optional, + Sequence, + Set, + Tuple, + Union, + cast, +) +from zipfile import ZipFile, ZipInfo + +from pip._vendor.distlib.scripts import ScriptMaker +from pip._vendor.distlib.util import get_export_entry +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.exceptions import InstallationError +from pip._internal.locations import get_major_minor_version +from pip._internal.metadata import ( + BaseDistribution, + FilesystemWheel, + get_wheel_distribution, +) +from pip._internal.models.direct_url import DIRECT_URL_METADATA_NAME, DirectUrl +from pip._internal.models.scheme import SCHEME_KEYS, Scheme +from pip._internal.utils.filesystem import adjacent_tmp_file, replace +from pip._internal.utils.misc import captured_stdout, ensure_dir, hash_file, partition +from pip._internal.utils.unpacking import ( + current_umask, + is_within_directory, + set_extracted_file_to_default_mode_plus_executable, + zip_item_is_executable, +) +from pip._internal.utils.wheel import parse_wheel + +if TYPE_CHECKING: + from typing import Protocol + + class File(Protocol): + src_record_path: "RecordPath" + dest_path: str + changed: bool + + def save(self) -> None: + pass + + +logger = logging.getLogger(__name__) + +RecordPath = NewType("RecordPath", str) +InstalledCSVRow = Tuple[RecordPath, str, Union[int, str]] + + +def rehash(path: str, blocksize: int = 1 << 20) -> Tuple[str, str]: + """Return (encoded_digest, length) for path using hashlib.sha256()""" + h, length = hash_file(path, blocksize) + digest = "sha256=" + urlsafe_b64encode(h.digest()).decode("latin1").rstrip("=") + return (digest, str(length)) + + +def csv_io_kwargs(mode: str) -> Dict[str, Any]: + """Return keyword arguments to properly open a CSV file + in the given mode. + """ + return {"mode": mode, "newline": "", "encoding": "utf-8"} + + +def fix_script(path: str) -> bool: + """Replace #!python with #!/path/to/python + Return True if file was changed. + """ + # XXX RECORD hashes will need to be updated + assert os.path.isfile(path) + + with open(path, "rb") as script: + firstline = script.readline() + if not firstline.startswith(b"#!python"): + return False + exename = sys.executable.encode(sys.getfilesystemencoding()) + firstline = b"#!" + exename + os.linesep.encode("ascii") + rest = script.read() + with open(path, "wb") as script: + script.write(firstline) + script.write(rest) + return True + + +def wheel_root_is_purelib(metadata: Message) -> bool: + return metadata.get("Root-Is-Purelib", "").lower() == "true" + + +def get_entrypoints(dist: BaseDistribution) -> Tuple[Dict[str, str], Dict[str, str]]: + console_scripts = {} + gui_scripts = {} + for entry_point in dist.iter_entry_points(): + if entry_point.group == "console_scripts": + console_scripts[entry_point.name] = entry_point.value + elif entry_point.group == "gui_scripts": + gui_scripts[entry_point.name] = entry_point.value + return console_scripts, gui_scripts + + +def message_about_scripts_not_on_PATH(scripts: Sequence[str]) -> Optional[str]: + """Determine if any scripts are not on PATH and format a warning. + Returns a warning message if one or more scripts are not on PATH, + otherwise None. + """ + if not scripts: + return None + + # Group scripts by the path they were installed in + grouped_by_dir: Dict[str, Set[str]] = collections.defaultdict(set) + for destfile in scripts: + parent_dir = os.path.dirname(destfile) + script_name = os.path.basename(destfile) + grouped_by_dir[parent_dir].add(script_name) + + # We don't want to warn for directories that are on PATH. + not_warn_dirs = [ + os.path.normcase(os.path.normpath(i)).rstrip(os.sep) + for i in os.environ.get("PATH", "").split(os.pathsep) + ] + # If an executable sits with sys.executable, we don't warn for it. + # This covers the case of venv invocations without activating the venv. + not_warn_dirs.append( + os.path.normcase(os.path.normpath(os.path.dirname(sys.executable))) + ) + warn_for: Dict[str, Set[str]] = { + parent_dir: scripts + for parent_dir, scripts in grouped_by_dir.items() + if os.path.normcase(os.path.normpath(parent_dir)) not in not_warn_dirs + } + if not warn_for: + return None + + # Format a message + msg_lines = [] + for parent_dir, dir_scripts in warn_for.items(): + sorted_scripts: List[str] = sorted(dir_scripts) + if len(sorted_scripts) == 1: + start_text = "script {} is".format(sorted_scripts[0]) + else: + start_text = "scripts {} are".format( + ", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1] + ) + + msg_lines.append( + "The {} installed in '{}' which is not on PATH.".format( + start_text, parent_dir + ) + ) + + last_line_fmt = ( + "Consider adding {} to PATH or, if you prefer " + "to suppress this warning, use --no-warn-script-location." + ) + if len(msg_lines) == 1: + msg_lines.append(last_line_fmt.format("this directory")) + else: + msg_lines.append(last_line_fmt.format("these directories")) + + # Add a note if any directory starts with ~ + warn_for_tilde = any( + i[0] == "~" for i in os.environ.get("PATH", "").split(os.pathsep) if i + ) + if warn_for_tilde: + tilde_warning_msg = ( + "NOTE: The current PATH contains path(s) starting with `~`, " + "which may not be expanded by all applications." + ) + msg_lines.append(tilde_warning_msg) + + # Returns the formatted multiline message + return "\n".join(msg_lines) + + +def _normalized_outrows( + outrows: Iterable[InstalledCSVRow], +) -> List[Tuple[str, str, str]]: + """Normalize the given rows of a RECORD file. + + Items in each row are converted into str. Rows are then sorted to make + the value more predictable for tests. + + Each row is a 3-tuple (path, hash, size) and corresponds to a record of + a RECORD file (see PEP 376 and PEP 427 for details). For the rows + passed to this function, the size can be an integer as an int or string, + or the empty string. + """ + # Normally, there should only be one row per path, in which case the + # second and third elements don't come into play when sorting. + # However, in cases in the wild where a path might happen to occur twice, + # we don't want the sort operation to trigger an error (but still want + # determinism). Since the third element can be an int or string, we + # coerce each element to a string to avoid a TypeError in this case. + # For additional background, see-- + # https://github.com/pypa/pip/issues/5868 + return sorted( + (record_path, hash_, str(size)) for record_path, hash_, size in outrows + ) + + +def _record_to_fs_path(record_path: RecordPath, lib_dir: str) -> str: + return os.path.join(lib_dir, record_path) + + +def _fs_to_record_path(path: str, lib_dir: str) -> RecordPath: + # On Windows, do not handle relative paths if they belong to different + # logical disks + if os.path.splitdrive(path)[0].lower() == os.path.splitdrive(lib_dir)[0].lower(): + path = os.path.relpath(path, lib_dir) + + path = path.replace(os.path.sep, "/") + return cast("RecordPath", path) + + +def get_csv_rows_for_installed( + old_csv_rows: List[List[str]], + installed: Dict[RecordPath, RecordPath], + changed: Set[RecordPath], + generated: List[str], + lib_dir: str, +) -> List[InstalledCSVRow]: + """ + :param installed: A map from archive RECORD path to installation RECORD + path. + """ + installed_rows: List[InstalledCSVRow] = [] + for row in old_csv_rows: + if len(row) > 3: + logger.warning("RECORD line has more than three elements: %s", row) + old_record_path = cast("RecordPath", row[0]) + new_record_path = installed.pop(old_record_path, old_record_path) + if new_record_path in changed: + digest, length = rehash(_record_to_fs_path(new_record_path, lib_dir)) + else: + digest = row[1] if len(row) > 1 else "" + length = row[2] if len(row) > 2 else "" + installed_rows.append((new_record_path, digest, length)) + for f in generated: + path = _fs_to_record_path(f, lib_dir) + digest, length = rehash(f) + installed_rows.append((path, digest, length)) + for installed_record_path in installed.values(): + installed_rows.append((installed_record_path, "", "")) + return installed_rows + + +def get_console_script_specs(console: Dict[str, str]) -> List[str]: + """ + Given the mapping from entrypoint name to callable, return the relevant + console script specs. + """ + # Don't mutate caller's version + console = console.copy() + + scripts_to_generate = [] + + # Special case pip and setuptools to generate versioned wrappers + # + # The issue is that some projects (specifically, pip and setuptools) use + # code in setup.py to create "versioned" entry points - pip2.7 on Python + # 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into + # the wheel metadata at build time, and so if the wheel is installed with + # a *different* version of Python the entry points will be wrong. The + # correct fix for this is to enhance the metadata to be able to describe + # such versioned entry points, but that won't happen till Metadata 2.0 is + # available. + # In the meantime, projects using versioned entry points will either have + # incorrect versioned entry points, or they will not be able to distribute + # "universal" wheels (i.e., they will need a wheel per Python version). + # + # Because setuptools and pip are bundled with _ensurepip and virtualenv, + # we need to use universal wheels. So, as a stopgap until Metadata 2.0, we + # override the versioned entry points in the wheel and generate the + # correct ones. This code is purely a short-term measure until Metadata 2.0 + # is available. + # + # To add the level of hack in this section of code, in order to support + # ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment + # variable which will control which version scripts get installed. + # + # ENSUREPIP_OPTIONS=altinstall + # - Only pipX.Y and easy_install-X.Y will be generated and installed + # ENSUREPIP_OPTIONS=install + # - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note + # that this option is technically if ENSUREPIP_OPTIONS is set and is + # not altinstall + # DEFAULT + # - The default behavior is to install pip, pipX, pipX.Y, easy_install + # and easy_install-X.Y. + pip_script = console.pop("pip", None) + if pip_script: + if "ENSUREPIP_OPTIONS" not in os.environ: + scripts_to_generate.append("pip = " + pip_script) + + if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall": + scripts_to_generate.append( + "pip{} = {}".format(sys.version_info[0], pip_script) + ) + + scripts_to_generate.append(f"pip{get_major_minor_version()} = {pip_script}") + # Delete any other versioned pip entry points + pip_ep = [k for k in console if re.match(r"pip(\d+(\.\d+)?)?$", k)] + for k in pip_ep: + del console[k] + easy_install_script = console.pop("easy_install", None) + if easy_install_script: + if "ENSUREPIP_OPTIONS" not in os.environ: + scripts_to_generate.append("easy_install = " + easy_install_script) + + scripts_to_generate.append( + "easy_install-{} = {}".format( + get_major_minor_version(), easy_install_script + ) + ) + # Delete any other versioned easy_install entry points + easy_install_ep = [ + k for k in console if re.match(r"easy_install(-\d+\.\d+)?$", k) + ] + for k in easy_install_ep: + del console[k] + + # Generate the console entry points specified in the wheel + scripts_to_generate.extend(starmap("{} = {}".format, console.items())) + + return scripts_to_generate + + +class ZipBackedFile: + def __init__( + self, src_record_path: RecordPath, dest_path: str, zip_file: ZipFile + ) -> None: + self.src_record_path = src_record_path + self.dest_path = dest_path + self._zip_file = zip_file + self.changed = False + + def _getinfo(self) -> ZipInfo: + return self._zip_file.getinfo(self.src_record_path) + + def save(self) -> None: + # directory creation is lazy and after file filtering + # to ensure we don't install empty dirs; empty dirs can't be + # uninstalled. + parent_dir = os.path.dirname(self.dest_path) + ensure_dir(parent_dir) + + # When we open the output file below, any existing file is truncated + # before we start writing the new contents. This is fine in most + # cases, but can cause a segfault if pip has loaded a shared + # object (e.g. from pyopenssl through its vendored urllib3) + # Since the shared object is mmap'd an attempt to call a + # symbol in it will then cause a segfault. Unlinking the file + # allows writing of new contents while allowing the process to + # continue to use the old copy. + if os.path.exists(self.dest_path): + os.unlink(self.dest_path) + + zipinfo = self._getinfo() + + with self._zip_file.open(zipinfo) as f: + with open(self.dest_path, "wb") as dest: + shutil.copyfileobj(f, dest) + + if zip_item_is_executable(zipinfo): + set_extracted_file_to_default_mode_plus_executable(self.dest_path) + + +class ScriptFile: + def __init__(self, file: "File") -> None: + self._file = file + self.src_record_path = self._file.src_record_path + self.dest_path = self._file.dest_path + self.changed = False + + def save(self) -> None: + self._file.save() + self.changed = fix_script(self.dest_path) + + +class MissingCallableSuffix(InstallationError): + def __init__(self, entry_point: str) -> None: + super().__init__( + "Invalid script entry point: {} - A callable " + "suffix is required. Cf https://packaging.python.org/" + "specifications/entry-points/#use-for-scripts for more " + "information.".format(entry_point) + ) + + +def _raise_for_invalid_entrypoint(specification: str) -> None: + entry = get_export_entry(specification) + if entry is not None and entry.suffix is None: + raise MissingCallableSuffix(str(entry)) + + +class PipScriptMaker(ScriptMaker): + def make( + self, specification: str, options: Optional[Dict[str, Any]] = None + ) -> List[str]: + _raise_for_invalid_entrypoint(specification) + return super().make(specification, options) + + +def _install_wheel( + name: str, + wheel_zip: ZipFile, + wheel_path: str, + scheme: Scheme, + pycompile: bool = True, + warn_script_location: bool = True, + direct_url: Optional[DirectUrl] = None, + requested: bool = False, +) -> None: + """Install a wheel. + + :param name: Name of the project to install + :param wheel_zip: open ZipFile for wheel being installed + :param scheme: Distutils scheme dictating the install directories + :param req_description: String used in place of the requirement, for + logging + :param pycompile: Whether to byte-compile installed Python files + :param warn_script_location: Whether to check that scripts are installed + into a directory on PATH + :raises UnsupportedWheel: + * when the directory holds an unpacked wheel with incompatible + Wheel-Version + * when the .dist-info dir does not match the wheel + """ + info_dir, metadata = parse_wheel(wheel_zip, name) + + if wheel_root_is_purelib(metadata): + lib_dir = scheme.purelib + else: + lib_dir = scheme.platlib + + # Record details of the files moved + # installed = files copied from the wheel to the destination + # changed = files changed while installing (scripts #! line typically) + # generated = files newly generated during the install (script wrappers) + installed: Dict[RecordPath, RecordPath] = {} + changed: Set[RecordPath] = set() + generated: List[str] = [] + + def record_installed( + srcfile: RecordPath, destfile: str, modified: bool = False + ) -> None: + """Map archive RECORD paths to installation RECORD paths.""" + newpath = _fs_to_record_path(destfile, lib_dir) + installed[srcfile] = newpath + if modified: + changed.add(newpath) + + def is_dir_path(path: RecordPath) -> bool: + return path.endswith("/") + + def assert_no_path_traversal(dest_dir_path: str, target_path: str) -> None: + if not is_within_directory(dest_dir_path, target_path): + message = ( + "The wheel {!r} has a file {!r} trying to install" + " outside the target directory {!r}" + ) + raise InstallationError( + message.format(wheel_path, target_path, dest_dir_path) + ) + + def root_scheme_file_maker( + zip_file: ZipFile, dest: str + ) -> Callable[[RecordPath], "File"]: + def make_root_scheme_file(record_path: RecordPath) -> "File": + normed_path = os.path.normpath(record_path) + dest_path = os.path.join(dest, normed_path) + assert_no_path_traversal(dest, dest_path) + return ZipBackedFile(record_path, dest_path, zip_file) + + return make_root_scheme_file + + def data_scheme_file_maker( + zip_file: ZipFile, scheme: Scheme + ) -> Callable[[RecordPath], "File"]: + scheme_paths = {key: getattr(scheme, key) for key in SCHEME_KEYS} + + def make_data_scheme_file(record_path: RecordPath) -> "File": + normed_path = os.path.normpath(record_path) + try: + _, scheme_key, dest_subpath = normed_path.split(os.path.sep, 2) + except ValueError: + message = ( + "Unexpected file in {}: {!r}. .data directory contents" + " should be named like: '/'." + ).format(wheel_path, record_path) + raise InstallationError(message) + + try: + scheme_path = scheme_paths[scheme_key] + except KeyError: + valid_scheme_keys = ", ".join(sorted(scheme_paths)) + message = ( + "Unknown scheme key used in {}: {} (for file {!r}). .data" + " directory contents should be in subdirectories named" + " with a valid scheme key ({})" + ).format(wheel_path, scheme_key, record_path, valid_scheme_keys) + raise InstallationError(message) + + dest_path = os.path.join(scheme_path, dest_subpath) + assert_no_path_traversal(scheme_path, dest_path) + return ZipBackedFile(record_path, dest_path, zip_file) + + return make_data_scheme_file + + def is_data_scheme_path(path: RecordPath) -> bool: + return path.split("/", 1)[0].endswith(".data") + + paths = cast(List[RecordPath], wheel_zip.namelist()) + file_paths = filterfalse(is_dir_path, paths) + root_scheme_paths, data_scheme_paths = partition(is_data_scheme_path, file_paths) + + make_root_scheme_file = root_scheme_file_maker(wheel_zip, lib_dir) + files: Iterator[File] = map(make_root_scheme_file, root_scheme_paths) + + def is_script_scheme_path(path: RecordPath) -> bool: + parts = path.split("/", 2) + return len(parts) > 2 and parts[0].endswith(".data") and parts[1] == "scripts" + + other_scheme_paths, script_scheme_paths = partition( + is_script_scheme_path, data_scheme_paths + ) + + make_data_scheme_file = data_scheme_file_maker(wheel_zip, scheme) + other_scheme_files = map(make_data_scheme_file, other_scheme_paths) + files = chain(files, other_scheme_files) + + # Get the defined entry points + distribution = get_wheel_distribution( + FilesystemWheel(wheel_path), + canonicalize_name(name), + ) + console, gui = get_entrypoints(distribution) + + def is_entrypoint_wrapper(file: "File") -> bool: + # EP, EP.exe and EP-script.py are scripts generated for + # entry point EP by setuptools + path = file.dest_path + name = os.path.basename(path) + if name.lower().endswith(".exe"): + matchname = name[:-4] + elif name.lower().endswith("-script.py"): + matchname = name[:-10] + elif name.lower().endswith(".pya"): + matchname = name[:-4] + else: + matchname = name + # Ignore setuptools-generated scripts + return matchname in console or matchname in gui + + script_scheme_files: Iterator[File] = map( + make_data_scheme_file, script_scheme_paths + ) + script_scheme_files = filterfalse(is_entrypoint_wrapper, script_scheme_files) + script_scheme_files = map(ScriptFile, script_scheme_files) + files = chain(files, script_scheme_files) + + for file in files: + file.save() + record_installed(file.src_record_path, file.dest_path, file.changed) + + def pyc_source_file_paths() -> Generator[str, None, None]: + # We de-duplicate installation paths, since there can be overlap (e.g. + # file in .data maps to same location as file in wheel root). + # Sorting installation paths makes it easier to reproduce and debug + # issues related to permissions on existing files. + for installed_path in sorted(set(installed.values())): + full_installed_path = os.path.join(lib_dir, installed_path) + if not os.path.isfile(full_installed_path): + continue + if not full_installed_path.endswith(".py"): + continue + yield full_installed_path + + def pyc_output_path(path: str) -> str: + """Return the path the pyc file would have been written to.""" + return importlib.util.cache_from_source(path) + + # Compile all of the pyc files for the installed files + if pycompile: + with captured_stdout() as stdout: + with warnings.catch_warnings(): + warnings.filterwarnings("ignore") + for path in pyc_source_file_paths(): + success = compileall.compile_file(path, force=True, quiet=True) + if success: + pyc_path = pyc_output_path(path) + assert os.path.exists(pyc_path) + pyc_record_path = cast( + "RecordPath", pyc_path.replace(os.path.sep, "/") + ) + record_installed(pyc_record_path, pyc_path) + logger.debug(stdout.getvalue()) + + maker = PipScriptMaker(None, scheme.scripts) + + # Ensure old scripts are overwritten. + # See https://github.com/pypa/pip/issues/1800 + maker.clobber = True + + # Ensure we don't generate any variants for scripts because this is almost + # never what somebody wants. + # See https://bitbucket.org/pypa/distlib/issue/35/ + maker.variants = {""} + + # This is required because otherwise distlib creates scripts that are not + # executable. + # See https://bitbucket.org/pypa/distlib/issue/32/ + maker.set_mode = True + + # Generate the console and GUI entry points specified in the wheel + scripts_to_generate = get_console_script_specs(console) + + gui_scripts_to_generate = list(starmap("{} = {}".format, gui.items())) + + generated_console_scripts = maker.make_multiple(scripts_to_generate) + generated.extend(generated_console_scripts) + + generated.extend(maker.make_multiple(gui_scripts_to_generate, {"gui": True})) + + if warn_script_location: + msg = message_about_scripts_not_on_PATH(generated_console_scripts) + if msg is not None: + logger.warning(msg) + + generated_file_mode = 0o666 & ~current_umask() + + @contextlib.contextmanager + def _generate_file(path: str, **kwargs: Any) -> Generator[BinaryIO, None, None]: + with adjacent_tmp_file(path, **kwargs) as f: + yield f + os.chmod(f.name, generated_file_mode) + replace(f.name, path) + + dest_info_dir = os.path.join(lib_dir, info_dir) + + # Record pip as the installer + installer_path = os.path.join(dest_info_dir, "INSTALLER") + with _generate_file(installer_path) as installer_file: + installer_file.write(b"pip\n") + generated.append(installer_path) + + # Record the PEP 610 direct URL reference + if direct_url is not None: + direct_url_path = os.path.join(dest_info_dir, DIRECT_URL_METADATA_NAME) + with _generate_file(direct_url_path) as direct_url_file: + direct_url_file.write(direct_url.to_json().encode("utf-8")) + generated.append(direct_url_path) + + # Record the REQUESTED file + if requested: + requested_path = os.path.join(dest_info_dir, "REQUESTED") + with open(requested_path, "wb"): + pass + generated.append(requested_path) + + record_text = distribution.read_text("RECORD") + record_rows = list(csv.reader(record_text.splitlines())) + + rows = get_csv_rows_for_installed( + record_rows, + installed=installed, + changed=changed, + generated=generated, + lib_dir=lib_dir, + ) + + # Record details of all files installed + record_path = os.path.join(dest_info_dir, "RECORD") + + with _generate_file(record_path, **csv_io_kwargs("w")) as record_file: + # Explicitly cast to typing.IO[str] as a workaround for the mypy error: + # "writer" has incompatible type "BinaryIO"; expected "_Writer" + writer = csv.writer(cast("IO[str]", record_file)) + writer.writerows(_normalized_outrows(rows)) + + +@contextlib.contextmanager +def req_error_context(req_description: str) -> Generator[None, None, None]: + try: + yield + except InstallationError as e: + message = "For req: {}. {}".format(req_description, e.args[0]) + raise InstallationError(message) from e + + +def install_wheel( + name: str, + wheel_path: str, + scheme: Scheme, + req_description: str, + pycompile: bool = True, + warn_script_location: bool = True, + direct_url: Optional[DirectUrl] = None, + requested: bool = False, +) -> None: + with ZipFile(wheel_path, allowZip64=True) as z: + with req_error_context(req_description): + _install_wheel( + name=name, + wheel_zip=z, + wheel_path=wheel_path, + scheme=scheme, + pycompile=pycompile, + warn_script_location=warn_script_location, + direct_url=direct_url, + requested=requested, + ) diff --git a/.venv/Lib/site-packages/pip/_internal/operations/prepare.py b/.venv/Lib/site-packages/pip/_internal/operations/prepare.py new file mode 100644 index 0000000000000000000000000000000000000000..cb121bcb25245ac039e8325413c4f2be3ad71d42 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/operations/prepare.py @@ -0,0 +1,743 @@ +"""Prepares a distribution for installation +""" + +# The following comment should be removed at some point in the future. +# mypy: strict-optional=False + +import logging +import mimetypes +import os +import shutil +from typing import Dict, Iterable, List, Optional + +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.distributions import make_distribution_for_install_requirement +from pip._internal.distributions.installed import InstalledDistribution +from pip._internal.exceptions import ( + DirectoryUrlHashUnsupported, + HashMismatch, + HashUnpinned, + InstallationError, + MetadataInconsistent, + NetworkConnectionError, + PreviousBuildDirError, + VcsHashUnsupported, +) +from pip._internal.index.package_finder import PackageFinder +from pip._internal.metadata import BaseDistribution, get_metadata_distribution +from pip._internal.models.direct_url import ArchiveInfo +from pip._internal.models.link import Link +from pip._internal.models.wheel import Wheel +from pip._internal.network.download import BatchDownloader, Downloader +from pip._internal.network.lazy_wheel import ( + HTTPRangeRequestUnsupported, + dist_from_wheel_url, +) +from pip._internal.network.session import PipSession +from pip._internal.operations.build.build_tracker import BuildTracker +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.direct_url_helpers import ( + direct_url_for_editable, + direct_url_from_link, +) +from pip._internal.utils.hashes import Hashes, MissingHashes +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import ( + display_path, + hash_file, + hide_url, + is_installable_dir, +) +from pip._internal.utils.temp_dir import TempDirectory +from pip._internal.utils.unpacking import unpack_file +from pip._internal.vcs import vcs + +logger = logging.getLogger(__name__) + + +def _get_prepared_distribution( + req: InstallRequirement, + build_tracker: BuildTracker, + finder: PackageFinder, + build_isolation: bool, + check_build_deps: bool, +) -> BaseDistribution: + """Prepare a distribution for installation.""" + abstract_dist = make_distribution_for_install_requirement(req) + with build_tracker.track(req): + abstract_dist.prepare_distribution_metadata( + finder, build_isolation, check_build_deps + ) + return abstract_dist.get_metadata_distribution() + + +def unpack_vcs_link(link: Link, location: str, verbosity: int) -> None: + vcs_backend = vcs.get_backend_for_scheme(link.scheme) + assert vcs_backend is not None + vcs_backend.unpack(location, url=hide_url(link.url), verbosity=verbosity) + + +class File: + def __init__(self, path: str, content_type: Optional[str]) -> None: + self.path = path + if content_type is None: + self.content_type = mimetypes.guess_type(path)[0] + else: + self.content_type = content_type + + +def get_http_url( + link: Link, + download: Downloader, + download_dir: Optional[str] = None, + hashes: Optional[Hashes] = None, +) -> File: + temp_dir = TempDirectory(kind="unpack", globally_managed=True) + # If a download dir is specified, is the file already downloaded there? + already_downloaded_path = None + if download_dir: + already_downloaded_path = _check_download_dir(link, download_dir, hashes) + + if already_downloaded_path: + from_path = already_downloaded_path + content_type = None + else: + # let's download to a tmp dir + from_path, content_type = download(link, temp_dir.path) + if hashes: + hashes.check_against_path(from_path) + + return File(from_path, content_type) + + +def get_file_url( + link: Link, download_dir: Optional[str] = None, hashes: Optional[Hashes] = None +) -> File: + """Get file and optionally check its hash.""" + # If a download dir is specified, is the file already there and valid? + already_downloaded_path = None + if download_dir: + already_downloaded_path = _check_download_dir(link, download_dir, hashes) + + if already_downloaded_path: + from_path = already_downloaded_path + else: + from_path = link.file_path + + # If --require-hashes is off, `hashes` is either empty, the + # link's embedded hash, or MissingHashes; it is required to + # match. If --require-hashes is on, we are satisfied by any + # hash in `hashes` matching: a URL-based or an option-based + # one; no internet-sourced hash will be in `hashes`. + if hashes: + hashes.check_against_path(from_path) + return File(from_path, None) + + +def unpack_url( + link: Link, + location: str, + download: Downloader, + verbosity: int, + download_dir: Optional[str] = None, + hashes: Optional[Hashes] = None, +) -> Optional[File]: + """Unpack link into location, downloading if required. + + :param hashes: A Hashes object, one of whose embedded hashes must match, + or HashMismatch will be raised. If the Hashes is empty, no matches are + required, and unhashable types of requirements (like VCS ones, which + would ordinarily raise HashUnsupported) are allowed. + """ + # non-editable vcs urls + if link.is_vcs: + unpack_vcs_link(link, location, verbosity=verbosity) + return None + + assert not link.is_existing_dir() + + # file urls + if link.is_file: + file = get_file_url(link, download_dir, hashes=hashes) + + # http urls + else: + file = get_http_url( + link, + download, + download_dir, + hashes=hashes, + ) + + # unpack the archive to the build dir location. even when only downloading + # archives, they have to be unpacked to parse dependencies, except wheels + if not link.is_wheel: + unpack_file(file.path, location, file.content_type) + + return file + + +def _check_download_dir( + link: Link, + download_dir: str, + hashes: Optional[Hashes], + warn_on_hash_mismatch: bool = True, +) -> Optional[str]: + """Check download_dir for previously downloaded file with correct hash + If a correct file is found return its path else None + """ + download_path = os.path.join(download_dir, link.filename) + + if not os.path.exists(download_path): + return None + + # If already downloaded, does its hash match? + logger.info("File was already downloaded %s", download_path) + if hashes: + try: + hashes.check_against_path(download_path) + except HashMismatch: + if warn_on_hash_mismatch: + logger.warning( + "Previously-downloaded file %s has bad hash. Re-downloading.", + download_path, + ) + os.unlink(download_path) + return None + return download_path + + +class RequirementPreparer: + """Prepares a Requirement""" + + def __init__( + self, + build_dir: str, + download_dir: Optional[str], + src_dir: str, + build_isolation: bool, + check_build_deps: bool, + build_tracker: BuildTracker, + session: PipSession, + progress_bar: str, + finder: PackageFinder, + require_hashes: bool, + use_user_site: bool, + lazy_wheel: bool, + verbosity: int, + legacy_resolver: bool, + ) -> None: + super().__init__() + + self.src_dir = src_dir + self.build_dir = build_dir + self.build_tracker = build_tracker + self._session = session + self._download = Downloader(session, progress_bar) + self._batch_download = BatchDownloader(session, progress_bar) + self.finder = finder + + # Where still-packed archives should be written to. If None, they are + # not saved, and are deleted immediately after unpacking. + self.download_dir = download_dir + + # Is build isolation allowed? + self.build_isolation = build_isolation + + # Should check build dependencies? + self.check_build_deps = check_build_deps + + # Should hash-checking be required? + self.require_hashes = require_hashes + + # Should install in user site-packages? + self.use_user_site = use_user_site + + # Should wheels be downloaded lazily? + self.use_lazy_wheel = lazy_wheel + + # How verbose should underlying tooling be? + self.verbosity = verbosity + + # Are we using the legacy resolver? + self.legacy_resolver = legacy_resolver + + # Memoized downloaded files, as mapping of url: path. + self._downloaded: Dict[str, str] = {} + + # Previous "header" printed for a link-based InstallRequirement + self._previous_requirement_header = ("", "") + + def _log_preparing_link(self, req: InstallRequirement) -> None: + """Provide context for the requirement being prepared.""" + if req.link.is_file and not req.is_wheel_from_cache: + message = "Processing %s" + information = str(display_path(req.link.file_path)) + else: + message = "Collecting %s" + information = str(req.req or req) + + # If we used req.req, inject requirement source if available (this + # would already be included if we used req directly) + if req.req and req.comes_from: + if isinstance(req.comes_from, str): + comes_from: Optional[str] = req.comes_from + else: + comes_from = req.comes_from.from_path() + if comes_from: + information += f" (from {comes_from})" + + if (message, information) != self._previous_requirement_header: + self._previous_requirement_header = (message, information) + logger.info(message, information) + + if req.is_wheel_from_cache: + with indent_log(): + logger.info("Using cached %s", req.link.filename) + + def _ensure_link_req_src_dir( + self, req: InstallRequirement, parallel_builds: bool + ) -> None: + """Ensure source_dir of a linked InstallRequirement.""" + # Since source_dir is only set for editable requirements. + if req.link.is_wheel: + # We don't need to unpack wheels, so no need for a source + # directory. + return + assert req.source_dir is None + if req.link.is_existing_dir(): + # build local directories in-tree + req.source_dir = req.link.file_path + return + + # We always delete unpacked sdists after pip runs. + req.ensure_has_source_dir( + self.build_dir, + autodelete=True, + parallel_builds=parallel_builds, + ) + + # If a checkout exists, it's unwise to keep going. version + # inconsistencies are logged later, but do not fail the + # installation. + # FIXME: this won't upgrade when there's an existing + # package unpacked in `req.source_dir` + # TODO: this check is now probably dead code + if is_installable_dir(req.source_dir): + raise PreviousBuildDirError( + "pip can't proceed with requirements '{}' due to a" + "pre-existing build directory ({}). This is likely " + "due to a previous installation that failed . pip is " + "being responsible and not assuming it can delete this. " + "Please delete it and try again.".format(req, req.source_dir) + ) + + def _get_linked_req_hashes(self, req: InstallRequirement) -> Hashes: + # By the time this is called, the requirement's link should have + # been checked so we can tell what kind of requirements req is + # and raise some more informative errors than otherwise. + # (For example, we can raise VcsHashUnsupported for a VCS URL + # rather than HashMissing.) + if not self.require_hashes: + return req.hashes(trust_internet=True) + + # We could check these first 2 conditions inside unpack_url + # and save repetition of conditions, but then we would + # report less-useful error messages for unhashable + # requirements, complaining that there's no hash provided. + if req.link.is_vcs: + raise VcsHashUnsupported() + if req.link.is_existing_dir(): + raise DirectoryUrlHashUnsupported() + + # Unpinned packages are asking for trouble when a new version + # is uploaded. This isn't a security check, but it saves users + # a surprising hash mismatch in the future. + # file:/// URLs aren't pinnable, so don't complain about them + # not being pinned. + if not req.is_direct and not req.is_pinned: + raise HashUnpinned() + + # If known-good hashes are missing for this requirement, + # shim it with a facade object that will provoke hash + # computation and then raise a HashMissing exception + # showing the user what the hash should be. + return req.hashes(trust_internet=False) or MissingHashes() + + def _fetch_metadata_only( + self, + req: InstallRequirement, + ) -> Optional[BaseDistribution]: + if self.legacy_resolver: + logger.debug( + "Metadata-only fetching is not used in the legacy resolver", + ) + return None + if self.require_hashes: + logger.debug( + "Metadata-only fetching is not used as hash checking is required", + ) + return None + # Try PEP 658 metadata first, then fall back to lazy wheel if unavailable. + return self._fetch_metadata_using_link_data_attr( + req + ) or self._fetch_metadata_using_lazy_wheel(req.link) + + def _fetch_metadata_using_link_data_attr( + self, + req: InstallRequirement, + ) -> Optional[BaseDistribution]: + """Fetch metadata from the data-dist-info-metadata attribute, if possible.""" + # (1) Get the link to the metadata file, if provided by the backend. + metadata_link = req.link.metadata_link() + if metadata_link is None: + return None + assert req.req is not None + logger.info( + "Obtaining dependency information for %s from %s", + req.req, + metadata_link, + ) + # (2) Download the contents of the METADATA file, separate from the dist itself. + metadata_file = get_http_url( + metadata_link, + self._download, + hashes=metadata_link.as_hashes(), + ) + with open(metadata_file.path, "rb") as f: + metadata_contents = f.read() + # (3) Generate a dist just from those file contents. + metadata_dist = get_metadata_distribution( + metadata_contents, + req.link.filename, + req.req.name, + ) + # (4) Ensure the Name: field from the METADATA file matches the name from the + # install requirement. + # + # NB: raw_name will fall back to the name from the install requirement if + # the Name: field is not present, but it's noted in the raw_name docstring + # that that should NEVER happen anyway. + if canonicalize_name(metadata_dist.raw_name) != canonicalize_name(req.req.name): + raise MetadataInconsistent( + req, "Name", req.req.name, metadata_dist.raw_name + ) + return metadata_dist + + def _fetch_metadata_using_lazy_wheel( + self, + link: Link, + ) -> Optional[BaseDistribution]: + """Fetch metadata using lazy wheel, if possible.""" + # --use-feature=fast-deps must be provided. + if not self.use_lazy_wheel: + return None + if link.is_file or not link.is_wheel: + logger.debug( + "Lazy wheel is not used as %r does not point to a remote wheel", + link, + ) + return None + + wheel = Wheel(link.filename) + name = canonicalize_name(wheel.name) + logger.info( + "Obtaining dependency information from %s %s", + name, + wheel.version, + ) + url = link.url.split("#", 1)[0] + try: + return dist_from_wheel_url(name, url, self._session) + except HTTPRangeRequestUnsupported: + logger.debug("%s does not support range requests", url) + return None + + def _complete_partial_requirements( + self, + partially_downloaded_reqs: Iterable[InstallRequirement], + parallel_builds: bool = False, + ) -> None: + """Download any requirements which were only fetched by metadata.""" + # Download to a temporary directory. These will be copied over as + # needed for downstream 'download', 'wheel', and 'install' commands. + temp_dir = TempDirectory(kind="unpack", globally_managed=True).path + + # Map each link to the requirement that owns it. This allows us to set + # `req.local_file_path` on the appropriate requirement after passing + # all the links at once into BatchDownloader. + links_to_fully_download: Dict[Link, InstallRequirement] = {} + for req in partially_downloaded_reqs: + assert req.link + links_to_fully_download[req.link] = req + + batch_download = self._batch_download( + links_to_fully_download.keys(), + temp_dir, + ) + for link, (filepath, _) in batch_download: + logger.debug("Downloading link %s to %s", link, filepath) + req = links_to_fully_download[link] + req.local_file_path = filepath + # TODO: This needs fixing for sdists + # This is an emergency fix for #11847, which reports that + # distributions get downloaded twice when metadata is loaded + # from a PEP 658 standalone metadata file. Setting _downloaded + # fixes this for wheels, but breaks the sdist case (tests + # test_download_metadata). As PyPI is currently only serving + # metadata for wheels, this is not an immediate issue. + # Fixing the problem properly looks like it will require a + # complete refactoring of the `prepare_linked_requirements_more` + # logic, and I haven't a clue where to start on that, so for now + # I have fixed the issue *just* for wheels. + if req.is_wheel: + self._downloaded[req.link.url] = filepath + + # This step is necessary to ensure all lazy wheels are processed + # successfully by the 'download', 'wheel', and 'install' commands. + for req in partially_downloaded_reqs: + self._prepare_linked_requirement(req, parallel_builds) + + def prepare_linked_requirement( + self, req: InstallRequirement, parallel_builds: bool = False + ) -> BaseDistribution: + """Prepare a requirement to be obtained from req.link.""" + assert req.link + self._log_preparing_link(req) + with indent_log(): + # Check if the relevant file is already available + # in the download directory + file_path = None + if self.download_dir is not None and req.link.is_wheel: + hashes = self._get_linked_req_hashes(req) + file_path = _check_download_dir( + req.link, + self.download_dir, + hashes, + # When a locally built wheel has been found in cache, we don't warn + # about re-downloading when the already downloaded wheel hash does + # not match. This is because the hash must be checked against the + # original link, not the cached link. It that case the already + # downloaded file will be removed and re-fetched from cache (which + # implies a hash check against the cache entry's origin.json). + warn_on_hash_mismatch=not req.is_wheel_from_cache, + ) + + if file_path is not None: + # The file is already available, so mark it as downloaded + self._downloaded[req.link.url] = file_path + else: + # The file is not available, attempt to fetch only metadata + metadata_dist = self._fetch_metadata_only(req) + if metadata_dist is not None: + req.needs_more_preparation = True + return metadata_dist + + # None of the optimizations worked, fully prepare the requirement + return self._prepare_linked_requirement(req, parallel_builds) + + def prepare_linked_requirements_more( + self, reqs: Iterable[InstallRequirement], parallel_builds: bool = False + ) -> None: + """Prepare linked requirements more, if needed.""" + reqs = [req for req in reqs if req.needs_more_preparation] + for req in reqs: + # Determine if any of these requirements were already downloaded. + if self.download_dir is not None and req.link.is_wheel: + hashes = self._get_linked_req_hashes(req) + file_path = _check_download_dir(req.link, self.download_dir, hashes) + if file_path is not None: + self._downloaded[req.link.url] = file_path + req.needs_more_preparation = False + + # Prepare requirements we found were already downloaded for some + # reason. The other downloads will be completed separately. + partially_downloaded_reqs: List[InstallRequirement] = [] + for req in reqs: + if req.needs_more_preparation: + partially_downloaded_reqs.append(req) + else: + self._prepare_linked_requirement(req, parallel_builds) + + # TODO: separate this part out from RequirementPreparer when the v1 + # resolver can be removed! + self._complete_partial_requirements( + partially_downloaded_reqs, + parallel_builds=parallel_builds, + ) + + def _prepare_linked_requirement( + self, req: InstallRequirement, parallel_builds: bool + ) -> BaseDistribution: + assert req.link + link = req.link + + hashes = self._get_linked_req_hashes(req) + + if hashes and req.is_wheel_from_cache: + assert req.download_info is not None + assert link.is_wheel + assert link.is_file + # We need to verify hashes, and we have found the requirement in the cache + # of locally built wheels. + if ( + isinstance(req.download_info.info, ArchiveInfo) + and req.download_info.info.hashes + and hashes.has_one_of(req.download_info.info.hashes) + ): + # At this point we know the requirement was built from a hashable source + # artifact, and we verified that the cache entry's hash of the original + # artifact matches one of the hashes we expect. We don't verify hashes + # against the cached wheel, because the wheel is not the original. + hashes = None + else: + logger.warning( + "The hashes of the source archive found in cache entry " + "don't match, ignoring cached built wheel " + "and re-downloading source." + ) + req.link = req.cached_wheel_source_link + link = req.link + + self._ensure_link_req_src_dir(req, parallel_builds) + + if link.is_existing_dir(): + local_file = None + elif link.url not in self._downloaded: + try: + local_file = unpack_url( + link, + req.source_dir, + self._download, + self.verbosity, + self.download_dir, + hashes, + ) + except NetworkConnectionError as exc: + raise InstallationError( + "Could not install requirement {} because of HTTP " + "error {} for URL {}".format(req, exc, link) + ) + else: + file_path = self._downloaded[link.url] + if hashes: + hashes.check_against_path(file_path) + local_file = File(file_path, content_type=None) + + # If download_info is set, we got it from the wheel cache. + if req.download_info is None: + # Editables don't go through this function (see + # prepare_editable_requirement). + assert not req.editable + req.download_info = direct_url_from_link(link, req.source_dir) + # Make sure we have a hash in download_info. If we got it as part of the + # URL, it will have been verified and we can rely on it. Otherwise we + # compute it from the downloaded file. + # FIXME: https://github.com/pypa/pip/issues/11943 + if ( + isinstance(req.download_info.info, ArchiveInfo) + and not req.download_info.info.hashes + and local_file + ): + hash = hash_file(local_file.path)[0].hexdigest() + # We populate info.hash for backward compatibility. + # This will automatically populate info.hashes. + req.download_info.info.hash = f"sha256={hash}" + + # For use in later processing, + # preserve the file path on the requirement. + if local_file: + req.local_file_path = local_file.path + + dist = _get_prepared_distribution( + req, + self.build_tracker, + self.finder, + self.build_isolation, + self.check_build_deps, + ) + return dist + + def save_linked_requirement(self, req: InstallRequirement) -> None: + assert self.download_dir is not None + assert req.link is not None + link = req.link + if link.is_vcs or (link.is_existing_dir() and req.editable): + # Make a .zip of the source_dir we already created. + req.archive(self.download_dir) + return + + if link.is_existing_dir(): + logger.debug( + "Not copying link to destination directory " + "since it is a directory: %s", + link, + ) + return + if req.local_file_path is None: + # No distribution was downloaded for this requirement. + return + + download_location = os.path.join(self.download_dir, link.filename) + if not os.path.exists(download_location): + shutil.copy(req.local_file_path, download_location) + download_path = display_path(download_location) + logger.info("Saved %s", download_path) + + def prepare_editable_requirement( + self, + req: InstallRequirement, + ) -> BaseDistribution: + """Prepare an editable requirement.""" + assert req.editable, "cannot prepare a non-editable req as editable" + + logger.info("Obtaining %s", req) + + with indent_log(): + if self.require_hashes: + raise InstallationError( + "The editable requirement {} cannot be installed when " + "requiring hashes, because there is no single file to " + "hash.".format(req) + ) + req.ensure_has_source_dir(self.src_dir) + req.update_editable() + assert req.source_dir + req.download_info = direct_url_for_editable(req.unpacked_source_directory) + + dist = _get_prepared_distribution( + req, + self.build_tracker, + self.finder, + self.build_isolation, + self.check_build_deps, + ) + + req.check_if_exists(self.use_user_site) + + return dist + + def prepare_installed_requirement( + self, + req: InstallRequirement, + skip_reason: str, + ) -> BaseDistribution: + """Prepare an already-installed requirement.""" + assert req.satisfied_by, "req should have been satisfied but isn't" + assert skip_reason is not None, ( + "did not get skip reason skipped but req.satisfied_by " + "is set to {}".format(req.satisfied_by) + ) + logger.info( + "Requirement %s: %s (%s)", skip_reason, req, req.satisfied_by.version + ) + with indent_log(): + if self.require_hashes: + logger.debug( + "Since it is already installed, we are trusting this " + "package without checking its hash. To ensure a " + "completely repeatable environment, install into an " + "empty virtualenv." + ) + return InstalledDistribution(req).get_metadata_distribution() diff --git a/.venv/Lib/site-packages/pip/_internal/req/__init__.py b/.venv/Lib/site-packages/pip/_internal/req/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..16de903a44cbfdf2f4dc40ee581059155fa1a9b3 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/__init__.py @@ -0,0 +1,92 @@ +import collections +import logging +from typing import Generator, List, Optional, Sequence, Tuple + +from pip._internal.utils.logging import indent_log + +from .req_file import parse_requirements +from .req_install import InstallRequirement +from .req_set import RequirementSet + +__all__ = [ + "RequirementSet", + "InstallRequirement", + "parse_requirements", + "install_given_reqs", +] + +logger = logging.getLogger(__name__) + + +class InstallationResult: + def __init__(self, name: str) -> None: + self.name = name + + def __repr__(self) -> str: + return f"InstallationResult(name={self.name!r})" + + +def _validate_requirements( + requirements: List[InstallRequirement], +) -> Generator[Tuple[str, InstallRequirement], None, None]: + for req in requirements: + assert req.name, f"invalid to-be-installed requirement: {req}" + yield req.name, req + + +def install_given_reqs( + requirements: List[InstallRequirement], + global_options: Sequence[str], + root: Optional[str], + home: Optional[str], + prefix: Optional[str], + warn_script_location: bool, + use_user_site: bool, + pycompile: bool, +) -> List[InstallationResult]: + """ + Install everything in the given list. + + (to be called after having downloaded and unpacked the packages) + """ + to_install = collections.OrderedDict(_validate_requirements(requirements)) + + if to_install: + logger.info( + "Installing collected packages: %s", + ", ".join(to_install.keys()), + ) + + installed = [] + + with indent_log(): + for req_name, requirement in to_install.items(): + if requirement.should_reinstall: + logger.info("Attempting uninstall: %s", req_name) + with indent_log(): + uninstalled_pathset = requirement.uninstall(auto_confirm=True) + else: + uninstalled_pathset = None + + try: + requirement.install( + global_options, + root=root, + home=home, + prefix=prefix, + warn_script_location=warn_script_location, + use_user_site=use_user_site, + pycompile=pycompile, + ) + except Exception: + # if install did not succeed, rollback previous uninstall + if uninstalled_pathset and not requirement.install_succeeded: + uninstalled_pathset.rollback() + raise + else: + if uninstalled_pathset and requirement.install_succeeded: + uninstalled_pathset.commit() + + installed.append(InstallationResult(req_name)) + + return installed diff --git a/.venv/Lib/site-packages/pip/_internal/req/constructors.py b/.venv/Lib/site-packages/pip/_internal/req/constructors.py new file mode 100644 index 0000000000000000000000000000000000000000..c5ca2d85d5176c65a2e90000b0d67390573120a6 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/constructors.py @@ -0,0 +1,506 @@ +"""Backing implementation for InstallRequirement's various constructors + +The idea here is that these formed a major chunk of InstallRequirement's size +so, moving them and support code dedicated to them outside of that class +helps creates for better understandability for the rest of the code. + +These are meant to be used elsewhere within pip to create instances of +InstallRequirement. +""" + +import logging +import os +import re +from typing import Dict, List, Optional, Set, Tuple, Union + +from pip._vendor.packaging.markers import Marker +from pip._vendor.packaging.requirements import InvalidRequirement, Requirement +from pip._vendor.packaging.specifiers import Specifier + +from pip._internal.exceptions import InstallationError +from pip._internal.models.index import PyPI, TestPyPI +from pip._internal.models.link import Link +from pip._internal.models.wheel import Wheel +from pip._internal.req.req_file import ParsedRequirement +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.filetypes import is_archive_file +from pip._internal.utils.misc import is_installable_dir +from pip._internal.utils.packaging import get_requirement +from pip._internal.utils.urls import path_to_url +from pip._internal.vcs import is_url, vcs + +__all__ = [ + "install_req_from_editable", + "install_req_from_line", + "parse_editable", +] + +logger = logging.getLogger(__name__) +operators = Specifier._operators.keys() + + +def _strip_extras(path: str) -> Tuple[str, Optional[str]]: + m = re.match(r"^(.+)(\[[^\]]+\])$", path) + extras = None + if m: + path_no_extras = m.group(1) + extras = m.group(2) + else: + path_no_extras = path + + return path_no_extras, extras + + +def convert_extras(extras: Optional[str]) -> Set[str]: + if not extras: + return set() + return get_requirement("placeholder" + extras.lower()).extras + + +def parse_editable(editable_req: str) -> Tuple[Optional[str], str, Set[str]]: + """Parses an editable requirement into: + - a requirement name + - an URL + - extras + - editable options + Accepted requirements: + svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir + .[some_extra] + """ + + url = editable_req + + # If a file path is specified with extras, strip off the extras. + url_no_extras, extras = _strip_extras(url) + + if os.path.isdir(url_no_extras): + # Treating it as code that has already been checked out + url_no_extras = path_to_url(url_no_extras) + + if url_no_extras.lower().startswith("file:"): + package_name = Link(url_no_extras).egg_fragment + if extras: + return ( + package_name, + url_no_extras, + get_requirement("placeholder" + extras.lower()).extras, + ) + else: + return package_name, url_no_extras, set() + + for version_control in vcs: + if url.lower().startswith(f"{version_control}:"): + url = f"{version_control}+{url}" + break + + link = Link(url) + + if not link.is_vcs: + backends = ", ".join(vcs.all_schemes) + raise InstallationError( + f"{editable_req} is not a valid editable requirement. " + f"It should either be a path to a local project or a VCS URL " + f"(beginning with {backends})." + ) + + package_name = link.egg_fragment + if not package_name: + raise InstallationError( + "Could not detect requirement name for '{}', please specify one " + "with #egg=your_package_name".format(editable_req) + ) + return package_name, url, set() + + +def check_first_requirement_in_file(filename: str) -> None: + """Check if file is parsable as a requirements file. + + This is heavily based on ``pkg_resources.parse_requirements``, but + simplified to just check the first meaningful line. + + :raises InvalidRequirement: If the first meaningful line cannot be parsed + as an requirement. + """ + with open(filename, encoding="utf-8", errors="ignore") as f: + # Create a steppable iterator, so we can handle \-continuations. + lines = ( + line + for line in (line.strip() for line in f) + if line and not line.startswith("#") # Skip blank lines/comments. + ) + + for line in lines: + # Drop comments -- a hash without a space may be in a URL. + if " #" in line: + line = line[: line.find(" #")] + # If there is a line continuation, drop it, and append the next line. + if line.endswith("\\"): + line = line[:-2].strip() + next(lines, "") + Requirement(line) + return + + +def deduce_helpful_msg(req: str) -> str: + """Returns helpful msg in case requirements file does not exist, + or cannot be parsed. + + :params req: Requirements file path + """ + if not os.path.exists(req): + return f" File '{req}' does not exist." + msg = " The path does exist. " + # Try to parse and check if it is a requirements file. + try: + check_first_requirement_in_file(req) + except InvalidRequirement: + logger.debug("Cannot parse '%s' as requirements file", req) + else: + msg += ( + f"The argument you provided " + f"({req}) appears to be a" + f" requirements file. If that is the" + f" case, use the '-r' flag to install" + f" the packages specified within it." + ) + return msg + + +class RequirementParts: + def __init__( + self, + requirement: Optional[Requirement], + link: Optional[Link], + markers: Optional[Marker], + extras: Set[str], + ): + self.requirement = requirement + self.link = link + self.markers = markers + self.extras = extras + + +def parse_req_from_editable(editable_req: str) -> RequirementParts: + name, url, extras_override = parse_editable(editable_req) + + if name is not None: + try: + req: Optional[Requirement] = Requirement(name) + except InvalidRequirement: + raise InstallationError(f"Invalid requirement: '{name}'") + else: + req = None + + link = Link(url) + + return RequirementParts(req, link, None, extras_override) + + +# ---- The actual constructors follow ---- + + +def install_req_from_editable( + editable_req: str, + comes_from: Optional[Union[InstallRequirement, str]] = None, + *, + use_pep517: Optional[bool] = None, + isolated: bool = False, + global_options: Optional[List[str]] = None, + hash_options: Optional[Dict[str, List[str]]] = None, + constraint: bool = False, + user_supplied: bool = False, + permit_editable_wheels: bool = False, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, +) -> InstallRequirement: + parts = parse_req_from_editable(editable_req) + + return InstallRequirement( + parts.requirement, + comes_from=comes_from, + user_supplied=user_supplied, + editable=True, + permit_editable_wheels=permit_editable_wheels, + link=parts.link, + constraint=constraint, + use_pep517=use_pep517, + isolated=isolated, + global_options=global_options, + hash_options=hash_options, + config_settings=config_settings, + extras=parts.extras, + ) + + +def _looks_like_path(name: str) -> bool: + """Checks whether the string "looks like" a path on the filesystem. + + This does not check whether the target actually exists, only judge from the + appearance. + + Returns true if any of the following conditions is true: + * a path separator is found (either os.path.sep or os.path.altsep); + * a dot is found (which represents the current directory). + """ + if os.path.sep in name: + return True + if os.path.altsep is not None and os.path.altsep in name: + return True + if name.startswith("."): + return True + return False + + +def _get_url_from_path(path: str, name: str) -> Optional[str]: + """ + First, it checks whether a provided path is an installable directory. If it + is, returns the path. + + If false, check if the path is an archive file (such as a .whl). + The function checks if the path is a file. If false, if the path has + an @, it will treat it as a PEP 440 URL requirement and return the path. + """ + if _looks_like_path(name) and os.path.isdir(path): + if is_installable_dir(path): + return path_to_url(path) + # TODO: The is_installable_dir test here might not be necessary + # now that it is done in load_pyproject_toml too. + raise InstallationError( + f"Directory {name!r} is not installable. Neither 'setup.py' " + "nor 'pyproject.toml' found." + ) + if not is_archive_file(path): + return None + if os.path.isfile(path): + return path_to_url(path) + urlreq_parts = name.split("@", 1) + if len(urlreq_parts) >= 2 and not _looks_like_path(urlreq_parts[0]): + # If the path contains '@' and the part before it does not look + # like a path, try to treat it as a PEP 440 URL req instead. + return None + logger.warning( + "Requirement %r looks like a filename, but the file does not exist", + name, + ) + return path_to_url(path) + + +def parse_req_from_line(name: str, line_source: Optional[str]) -> RequirementParts: + if is_url(name): + marker_sep = "; " + else: + marker_sep = ";" + if marker_sep in name: + name, markers_as_string = name.split(marker_sep, 1) + markers_as_string = markers_as_string.strip() + if not markers_as_string: + markers = None + else: + markers = Marker(markers_as_string) + else: + markers = None + name = name.strip() + req_as_string = None + path = os.path.normpath(os.path.abspath(name)) + link = None + extras_as_string = None + + if is_url(name): + link = Link(name) + else: + p, extras_as_string = _strip_extras(path) + url = _get_url_from_path(p, name) + if url is not None: + link = Link(url) + + # it's a local file, dir, or url + if link: + # Handle relative file URLs + if link.scheme == "file" and re.search(r"\.\./", link.url): + link = Link(path_to_url(os.path.normpath(os.path.abspath(link.path)))) + # wheel file + if link.is_wheel: + wheel = Wheel(link.filename) # can raise InvalidWheelFilename + req_as_string = f"{wheel.name}=={wheel.version}" + else: + # set the req to the egg fragment. when it's not there, this + # will become an 'unnamed' requirement + req_as_string = link.egg_fragment + + # a requirement specifier + else: + req_as_string = name + + extras = convert_extras(extras_as_string) + + def with_source(text: str) -> str: + if not line_source: + return text + return f"{text} (from {line_source})" + + def _parse_req_string(req_as_string: str) -> Requirement: + try: + req = get_requirement(req_as_string) + except InvalidRequirement: + if os.path.sep in req_as_string: + add_msg = "It looks like a path." + add_msg += deduce_helpful_msg(req_as_string) + elif "=" in req_as_string and not any( + op in req_as_string for op in operators + ): + add_msg = "= is not a valid operator. Did you mean == ?" + else: + add_msg = "" + msg = with_source(f"Invalid requirement: {req_as_string!r}") + if add_msg: + msg += f"\nHint: {add_msg}" + raise InstallationError(msg) + else: + # Deprecate extras after specifiers: "name>=1.0[extras]" + # This currently works by accident because _strip_extras() parses + # any extras in the end of the string and those are saved in + # RequirementParts + for spec in req.specifier: + spec_str = str(spec) + if spec_str.endswith("]"): + msg = f"Extras after version '{spec_str}'." + raise InstallationError(msg) + return req + + if req_as_string is not None: + req: Optional[Requirement] = _parse_req_string(req_as_string) + else: + req = None + + return RequirementParts(req, link, markers, extras) + + +def install_req_from_line( + name: str, + comes_from: Optional[Union[str, InstallRequirement]] = None, + *, + use_pep517: Optional[bool] = None, + isolated: bool = False, + global_options: Optional[List[str]] = None, + hash_options: Optional[Dict[str, List[str]]] = None, + constraint: bool = False, + line_source: Optional[str] = None, + user_supplied: bool = False, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, +) -> InstallRequirement: + """Creates an InstallRequirement from a name, which might be a + requirement, directory containing 'setup.py', filename, or URL. + + :param line_source: An optional string describing where the line is from, + for logging purposes in case of an error. + """ + parts = parse_req_from_line(name, line_source) + + return InstallRequirement( + parts.requirement, + comes_from, + link=parts.link, + markers=parts.markers, + use_pep517=use_pep517, + isolated=isolated, + global_options=global_options, + hash_options=hash_options, + config_settings=config_settings, + constraint=constraint, + extras=parts.extras, + user_supplied=user_supplied, + ) + + +def install_req_from_req_string( + req_string: str, + comes_from: Optional[InstallRequirement] = None, + isolated: bool = False, + use_pep517: Optional[bool] = None, + user_supplied: bool = False, +) -> InstallRequirement: + try: + req = get_requirement(req_string) + except InvalidRequirement: + raise InstallationError(f"Invalid requirement: '{req_string}'") + + domains_not_allowed = [ + PyPI.file_storage_domain, + TestPyPI.file_storage_domain, + ] + if ( + req.url + and comes_from + and comes_from.link + and comes_from.link.netloc in domains_not_allowed + ): + # Explicitly disallow pypi packages that depend on external urls + raise InstallationError( + "Packages installed from PyPI cannot depend on packages " + "which are not also hosted on PyPI.\n" + "{} depends on {} ".format(comes_from.name, req) + ) + + return InstallRequirement( + req, + comes_from, + isolated=isolated, + use_pep517=use_pep517, + user_supplied=user_supplied, + ) + + +def install_req_from_parsed_requirement( + parsed_req: ParsedRequirement, + isolated: bool = False, + use_pep517: Optional[bool] = None, + user_supplied: bool = False, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, +) -> InstallRequirement: + if parsed_req.is_editable: + req = install_req_from_editable( + parsed_req.requirement, + comes_from=parsed_req.comes_from, + use_pep517=use_pep517, + constraint=parsed_req.constraint, + isolated=isolated, + user_supplied=user_supplied, + config_settings=config_settings, + ) + + else: + req = install_req_from_line( + parsed_req.requirement, + comes_from=parsed_req.comes_from, + use_pep517=use_pep517, + isolated=isolated, + global_options=( + parsed_req.options.get("global_options", []) + if parsed_req.options + else [] + ), + hash_options=( + parsed_req.options.get("hashes", {}) if parsed_req.options else {} + ), + constraint=parsed_req.constraint, + line_source=parsed_req.line_source, + user_supplied=user_supplied, + config_settings=config_settings, + ) + return req + + +def install_req_from_link_and_ireq( + link: Link, ireq: InstallRequirement +) -> InstallRequirement: + return InstallRequirement( + req=ireq.req, + comes_from=ireq.comes_from, + editable=ireq.editable, + link=link, + markers=ireq.markers, + use_pep517=ireq.use_pep517, + isolated=ireq.isolated, + global_options=ireq.global_options, + hash_options=ireq.hash_options, + config_settings=ireq.config_settings, + user_supplied=ireq.user_supplied, + ) diff --git a/.venv/Lib/site-packages/pip/_internal/req/req_file.py b/.venv/Lib/site-packages/pip/_internal/req/req_file.py new file mode 100644 index 0000000000000000000000000000000000000000..f717c1ccc79f7581f1293b3fcf1a0764def7a84a --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/req_file.py @@ -0,0 +1,552 @@ +""" +Requirements file parsing +""" + +import logging +import optparse +import os +import re +import shlex +import urllib.parse +from optparse import Values +from typing import ( + TYPE_CHECKING, + Any, + Callable, + Dict, + Generator, + Iterable, + List, + Optional, + Tuple, +) + +from pip._internal.cli import cmdoptions +from pip._internal.exceptions import InstallationError, RequirementsFileParseError +from pip._internal.models.search_scope import SearchScope +from pip._internal.network.session import PipSession +from pip._internal.network.utils import raise_for_status +from pip._internal.utils.encoding import auto_decode +from pip._internal.utils.urls import get_url_scheme + +if TYPE_CHECKING: + # NoReturn introduced in 3.6.2; imported only for type checking to maintain + # pip compatibility with older patch versions of Python 3.6 + from typing import NoReturn + + from pip._internal.index.package_finder import PackageFinder + +__all__ = ["parse_requirements"] + +ReqFileLines = Iterable[Tuple[int, str]] + +LineParser = Callable[[str], Tuple[str, Values]] + +SCHEME_RE = re.compile(r"^(http|https|file):", re.I) +COMMENT_RE = re.compile(r"(^|\s+)#.*$") + +# Matches environment variable-style values in '${MY_VARIABLE_1}' with the +# variable name consisting of only uppercase letters, digits or the '_' +# (underscore). This follows the POSIX standard defined in IEEE Std 1003.1, +# 2013 Edition. +ENV_VAR_RE = re.compile(r"(?P\$\{(?P[A-Z0-9_]+)\})") + +SUPPORTED_OPTIONS: List[Callable[..., optparse.Option]] = [ + cmdoptions.index_url, + cmdoptions.extra_index_url, + cmdoptions.no_index, + cmdoptions.constraints, + cmdoptions.requirements, + cmdoptions.editable, + cmdoptions.find_links, + cmdoptions.no_binary, + cmdoptions.only_binary, + cmdoptions.prefer_binary, + cmdoptions.require_hashes, + cmdoptions.pre, + cmdoptions.trusted_host, + cmdoptions.use_new_feature, +] + +# options to be passed to requirements +SUPPORTED_OPTIONS_REQ: List[Callable[..., optparse.Option]] = [ + cmdoptions.global_options, + cmdoptions.hash, + cmdoptions.config_settings, +] + +# the 'dest' string values +SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ] + +logger = logging.getLogger(__name__) + + +class ParsedRequirement: + def __init__( + self, + requirement: str, + is_editable: bool, + comes_from: str, + constraint: bool, + options: Optional[Dict[str, Any]] = None, + line_source: Optional[str] = None, + ) -> None: + self.requirement = requirement + self.is_editable = is_editable + self.comes_from = comes_from + self.options = options + self.constraint = constraint + self.line_source = line_source + + +class ParsedLine: + def __init__( + self, + filename: str, + lineno: int, + args: str, + opts: Values, + constraint: bool, + ) -> None: + self.filename = filename + self.lineno = lineno + self.opts = opts + self.constraint = constraint + + if args: + self.is_requirement = True + self.is_editable = False + self.requirement = args + elif opts.editables: + self.is_requirement = True + self.is_editable = True + # We don't support multiple -e on one line + self.requirement = opts.editables[0] + else: + self.is_requirement = False + + +def parse_requirements( + filename: str, + session: PipSession, + finder: Optional["PackageFinder"] = None, + options: Optional[optparse.Values] = None, + constraint: bool = False, +) -> Generator[ParsedRequirement, None, None]: + """Parse a requirements file and yield ParsedRequirement instances. + + :param filename: Path or url of requirements file. + :param session: PipSession instance. + :param finder: Instance of pip.index.PackageFinder. + :param options: cli options. + :param constraint: If true, parsing a constraint file rather than + requirements file. + """ + line_parser = get_line_parser(finder) + parser = RequirementsFileParser(session, line_parser) + + for parsed_line in parser.parse(filename, constraint): + parsed_req = handle_line( + parsed_line, options=options, finder=finder, session=session + ) + if parsed_req is not None: + yield parsed_req + + +def preprocess(content: str) -> ReqFileLines: + """Split, filter, and join lines, and return a line iterator + + :param content: the content of the requirements file + """ + lines_enum: ReqFileLines = enumerate(content.splitlines(), start=1) + lines_enum = join_lines(lines_enum) + lines_enum = ignore_comments(lines_enum) + lines_enum = expand_env_variables(lines_enum) + return lines_enum + + +def handle_requirement_line( + line: ParsedLine, + options: Optional[optparse.Values] = None, +) -> ParsedRequirement: + # preserve for the nested code path + line_comes_from = "{} {} (line {})".format( + "-c" if line.constraint else "-r", + line.filename, + line.lineno, + ) + + assert line.is_requirement + + if line.is_editable: + # For editable requirements, we don't support per-requirement + # options, so just return the parsed requirement. + return ParsedRequirement( + requirement=line.requirement, + is_editable=line.is_editable, + comes_from=line_comes_from, + constraint=line.constraint, + ) + else: + # get the options that apply to requirements + req_options = {} + for dest in SUPPORTED_OPTIONS_REQ_DEST: + if dest in line.opts.__dict__ and line.opts.__dict__[dest]: + req_options[dest] = line.opts.__dict__[dest] + + line_source = f"line {line.lineno} of {line.filename}" + return ParsedRequirement( + requirement=line.requirement, + is_editable=line.is_editable, + comes_from=line_comes_from, + constraint=line.constraint, + options=req_options, + line_source=line_source, + ) + + +def handle_option_line( + opts: Values, + filename: str, + lineno: int, + finder: Optional["PackageFinder"] = None, + options: Optional[optparse.Values] = None, + session: Optional[PipSession] = None, +) -> None: + if opts.hashes: + logger.warning( + "%s line %s has --hash but no requirement, and will be ignored.", + filename, + lineno, + ) + + if options: + # percolate options upward + if opts.require_hashes: + options.require_hashes = opts.require_hashes + if opts.features_enabled: + options.features_enabled.extend( + f for f in opts.features_enabled if f not in options.features_enabled + ) + + # set finder options + if finder: + find_links = finder.find_links + index_urls = finder.index_urls + no_index = finder.search_scope.no_index + if opts.no_index is True: + no_index = True + index_urls = [] + if opts.index_url and not no_index: + index_urls = [opts.index_url] + if opts.extra_index_urls and not no_index: + index_urls.extend(opts.extra_index_urls) + if opts.find_links: + # FIXME: it would be nice to keep track of the source + # of the find_links: support a find-links local path + # relative to a requirements file. + value = opts.find_links[0] + req_dir = os.path.dirname(os.path.abspath(filename)) + relative_to_reqs_file = os.path.join(req_dir, value) + if os.path.exists(relative_to_reqs_file): + value = relative_to_reqs_file + find_links.append(value) + + if session: + # We need to update the auth urls in session + session.update_index_urls(index_urls) + + search_scope = SearchScope( + find_links=find_links, + index_urls=index_urls, + no_index=no_index, + ) + finder.search_scope = search_scope + + if opts.pre: + finder.set_allow_all_prereleases() + + if opts.prefer_binary: + finder.set_prefer_binary() + + if session: + for host in opts.trusted_hosts or []: + source = f"line {lineno} of {filename}" + session.add_trusted_host(host, source=source) + + +def handle_line( + line: ParsedLine, + options: Optional[optparse.Values] = None, + finder: Optional["PackageFinder"] = None, + session: Optional[PipSession] = None, +) -> Optional[ParsedRequirement]: + """Handle a single parsed requirements line; This can result in + creating/yielding requirements, or updating the finder. + + :param line: The parsed line to be processed. + :param options: CLI options. + :param finder: The finder - updated by non-requirement lines. + :param session: The session - updated by non-requirement lines. + + Returns a ParsedRequirement object if the line is a requirement line, + otherwise returns None. + + For lines that contain requirements, the only options that have an effect + are from SUPPORTED_OPTIONS_REQ, and they are scoped to the + requirement. Other options from SUPPORTED_OPTIONS may be present, but are + ignored. + + For lines that do not contain requirements, the only options that have an + effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may + be present, but are ignored. These lines may contain multiple options + (although our docs imply only one is supported), and all our parsed and + affect the finder. + """ + + if line.is_requirement: + parsed_req = handle_requirement_line(line, options) + return parsed_req + else: + handle_option_line( + line.opts, + line.filename, + line.lineno, + finder, + options, + session, + ) + return None + + +class RequirementsFileParser: + def __init__( + self, + session: PipSession, + line_parser: LineParser, + ) -> None: + self._session = session + self._line_parser = line_parser + + def parse( + self, filename: str, constraint: bool + ) -> Generator[ParsedLine, None, None]: + """Parse a given file, yielding parsed lines.""" + yield from self._parse_and_recurse(filename, constraint) + + def _parse_and_recurse( + self, filename: str, constraint: bool + ) -> Generator[ParsedLine, None, None]: + for line in self._parse_file(filename, constraint): + if not line.is_requirement and ( + line.opts.requirements or line.opts.constraints + ): + # parse a nested requirements file + if line.opts.requirements: + req_path = line.opts.requirements[0] + nested_constraint = False + else: + req_path = line.opts.constraints[0] + nested_constraint = True + + # original file is over http + if SCHEME_RE.search(filename): + # do a url join so relative paths work + req_path = urllib.parse.urljoin(filename, req_path) + # original file and nested file are paths + elif not SCHEME_RE.search(req_path): + # do a join so relative paths work + req_path = os.path.join( + os.path.dirname(filename), + req_path, + ) + + yield from self._parse_and_recurse(req_path, nested_constraint) + else: + yield line + + def _parse_file( + self, filename: str, constraint: bool + ) -> Generator[ParsedLine, None, None]: + _, content = get_file_content(filename, self._session) + + lines_enum = preprocess(content) + + for line_number, line in lines_enum: + try: + args_str, opts = self._line_parser(line) + except OptionParsingError as e: + # add offending line + msg = f"Invalid requirement: {line}\n{e.msg}" + raise RequirementsFileParseError(msg) + + yield ParsedLine( + filename, + line_number, + args_str, + opts, + constraint, + ) + + +def get_line_parser(finder: Optional["PackageFinder"]) -> LineParser: + def parse_line(line: str) -> Tuple[str, Values]: + # Build new parser for each line since it accumulates appendable + # options. + parser = build_parser() + defaults = parser.get_default_values() + defaults.index_url = None + if finder: + defaults.format_control = finder.format_control + + args_str, options_str = break_args_options(line) + + try: + options = shlex.split(options_str) + except ValueError as e: + raise OptionParsingError(f"Could not split options: {options_str}") from e + + opts, _ = parser.parse_args(options, defaults) + + return args_str, opts + + return parse_line + + +def break_args_options(line: str) -> Tuple[str, str]: + """Break up the line into an args and options string. We only want to shlex + (and then optparse) the options, not the args. args can contain markers + which are corrupted by shlex. + """ + tokens = line.split(" ") + args = [] + options = tokens[:] + for token in tokens: + if token.startswith("-") or token.startswith("--"): + break + else: + args.append(token) + options.pop(0) + return " ".join(args), " ".join(options) + + +class OptionParsingError(Exception): + def __init__(self, msg: str) -> None: + self.msg = msg + + +def build_parser() -> optparse.OptionParser: + """ + Return a parser for parsing requirement lines + """ + parser = optparse.OptionParser(add_help_option=False) + + option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ + for option_factory in option_factories: + option = option_factory() + parser.add_option(option) + + # By default optparse sys.exits on parsing errors. We want to wrap + # that in our own exception. + def parser_exit(self: Any, msg: str) -> "NoReturn": + raise OptionParsingError(msg) + + # NOTE: mypy disallows assigning to a method + # https://github.com/python/mypy/issues/2427 + parser.exit = parser_exit # type: ignore + + return parser + + +def join_lines(lines_enum: ReqFileLines) -> ReqFileLines: + """Joins a line ending in '\' with the previous line (except when following + comments). The joined line takes on the index of the first line. + """ + primary_line_number = None + new_line: List[str] = [] + for line_number, line in lines_enum: + if not line.endswith("\\") or COMMENT_RE.match(line): + if COMMENT_RE.match(line): + # this ensures comments are always matched later + line = " " + line + if new_line: + new_line.append(line) + assert primary_line_number is not None + yield primary_line_number, "".join(new_line) + new_line = [] + else: + yield line_number, line + else: + if not new_line: + primary_line_number = line_number + new_line.append(line.strip("\\")) + + # last line contains \ + if new_line: + assert primary_line_number is not None + yield primary_line_number, "".join(new_line) + + # TODO: handle space after '\'. + + +def ignore_comments(lines_enum: ReqFileLines) -> ReqFileLines: + """ + Strips comments and filter empty lines. + """ + for line_number, line in lines_enum: + line = COMMENT_RE.sub("", line) + line = line.strip() + if line: + yield line_number, line + + +def expand_env_variables(lines_enum: ReqFileLines) -> ReqFileLines: + """Replace all environment variables that can be retrieved via `os.getenv`. + + The only allowed format for environment variables defined in the + requirement file is `${MY_VARIABLE_1}` to ensure two things: + + 1. Strings that contain a `$` aren't accidentally (partially) expanded. + 2. Ensure consistency across platforms for requirement files. + + These points are the result of a discussion on the `github pull + request #3514 `_. + + Valid characters in variable names follow the `POSIX standard + `_ and are limited + to uppercase letter, digits and the `_` (underscore). + """ + for line_number, line in lines_enum: + for env_var, var_name in ENV_VAR_RE.findall(line): + value = os.getenv(var_name) + if not value: + continue + + line = line.replace(env_var, value) + + yield line_number, line + + +def get_file_content(url: str, session: PipSession) -> Tuple[str, str]: + """Gets the content of a file; it may be a filename, file: URL, or + http: URL. Returns (location, content). Content is unicode. + Respects # -*- coding: declarations on the retrieved files. + + :param url: File path or url. + :param session: PipSession instance. + """ + scheme = get_url_scheme(url) + + # Pip has special support for file:// URLs (LocalFSAdapter). + if scheme in ["http", "https", "file"]: + resp = session.get(url) + raise_for_status(resp) + return resp.url, resp.text + + # Assume this is a bare path. + try: + with open(url, "rb") as f: + content = auto_decode(f.read()) + except OSError as exc: + raise InstallationError(f"Could not open requirements file: {exc}") + return url, content diff --git a/.venv/Lib/site-packages/pip/_internal/req/req_install.py b/.venv/Lib/site-packages/pip/_internal/req/req_install.py new file mode 100644 index 0000000000000000000000000000000000000000..1f479713a94495ca72ceeef4806d1c07223284fe --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/req_install.py @@ -0,0 +1,874 @@ +# The following comment should be removed at some point in the future. +# mypy: strict-optional=False + +import functools +import logging +import os +import shutil +import sys +import uuid +import zipfile +from optparse import Values +from typing import Any, Collection, Dict, Iterable, List, Optional, Sequence, Union + +from pip._vendor.packaging.markers import Marker +from pip._vendor.packaging.requirements import Requirement +from pip._vendor.packaging.specifiers import SpecifierSet +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.packaging.version import Version +from pip._vendor.packaging.version import parse as parse_version +from pip._vendor.pyproject_hooks import BuildBackendHookCaller + +from pip._internal.build_env import BuildEnvironment, NoOpBuildEnvironment +from pip._internal.exceptions import InstallationError +from pip._internal.locations import get_scheme +from pip._internal.metadata import ( + BaseDistribution, + get_default_environment, + get_directory_distribution, + get_wheel_distribution, +) +from pip._internal.metadata.base import FilesystemWheel +from pip._internal.models.direct_url import DirectUrl +from pip._internal.models.link import Link +from pip._internal.operations.build.metadata import generate_metadata +from pip._internal.operations.build.metadata_editable import generate_editable_metadata +from pip._internal.operations.build.metadata_legacy import ( + generate_metadata as generate_metadata_legacy, +) +from pip._internal.operations.install.editable_legacy import ( + install_editable as install_editable_legacy, +) +from pip._internal.operations.install.wheel import install_wheel +from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path +from pip._internal.req.req_uninstall import UninstallPathSet +from pip._internal.utils.deprecation import deprecated +from pip._internal.utils.hashes import Hashes +from pip._internal.utils.misc import ( + ConfiguredBuildBackendHookCaller, + ask_path_exists, + backup_dir, + display_path, + hide_url, + redact_auth_from_url, +) +from pip._internal.utils.packaging import safe_extra +from pip._internal.utils.subprocess import runner_with_spinner_message +from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds +from pip._internal.utils.virtualenv import running_under_virtualenv +from pip._internal.vcs import vcs + +logger = logging.getLogger(__name__) + + +class InstallRequirement: + """ + Represents something that may be installed later on, may have information + about where to fetch the relevant requirement and also contains logic for + installing the said requirement. + """ + + def __init__( + self, + req: Optional[Requirement], + comes_from: Optional[Union[str, "InstallRequirement"]], + editable: bool = False, + link: Optional[Link] = None, + markers: Optional[Marker] = None, + use_pep517: Optional[bool] = None, + isolated: bool = False, + *, + global_options: Optional[List[str]] = None, + hash_options: Optional[Dict[str, List[str]]] = None, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + constraint: bool = False, + extras: Collection[str] = (), + user_supplied: bool = False, + permit_editable_wheels: bool = False, + ) -> None: + assert req is None or isinstance(req, Requirement), req + self.req = req + self.comes_from = comes_from + self.constraint = constraint + self.editable = editable + self.permit_editable_wheels = permit_editable_wheels + + # source_dir is the local directory where the linked requirement is + # located, or unpacked. In case unpacking is needed, creating and + # populating source_dir is done by the RequirementPreparer. Note this + # is not necessarily the directory where pyproject.toml or setup.py is + # located - that one is obtained via unpacked_source_directory. + self.source_dir: Optional[str] = None + if self.editable: + assert link + if link.is_file: + self.source_dir = os.path.normpath(os.path.abspath(link.file_path)) + + # original_link is the direct URL that was provided by the user for the + # requirement, either directly or via a constraints file. + if link is None and req and req.url: + # PEP 508 URL requirement + link = Link(req.url) + self.link = self.original_link = link + + # When this InstallRequirement is a wheel obtained from the cache of locally + # built wheels, this is the source link corresponding to the cache entry, which + # was used to download and build the cached wheel. + self.cached_wheel_source_link: Optional[Link] = None + + # Information about the location of the artifact that was downloaded . This + # property is guaranteed to be set in resolver results. + self.download_info: Optional[DirectUrl] = None + + # Path to any downloaded or already-existing package. + self.local_file_path: Optional[str] = None + if self.link and self.link.is_file: + self.local_file_path = self.link.file_path + + if extras: + self.extras = extras + elif req: + self.extras = {safe_extra(extra) for extra in req.extras} + else: + self.extras = set() + if markers is None and req: + markers = req.marker + self.markers = markers + + # This holds the Distribution object if this requirement is already installed. + self.satisfied_by: Optional[BaseDistribution] = None + # Whether the installation process should try to uninstall an existing + # distribution before installing this requirement. + self.should_reinstall = False + # Temporary build location + self._temp_build_dir: Optional[TempDirectory] = None + # Set to True after successful installation + self.install_succeeded: Optional[bool] = None + # Supplied options + self.global_options = global_options if global_options else [] + self.hash_options = hash_options if hash_options else {} + self.config_settings = config_settings + # Set to True after successful preparation of this requirement + self.prepared = False + # User supplied requirement are explicitly requested for installation + # by the user via CLI arguments or requirements files, as opposed to, + # e.g. dependencies, extras or constraints. + self.user_supplied = user_supplied + + self.isolated = isolated + self.build_env: BuildEnvironment = NoOpBuildEnvironment() + + # For PEP 517, the directory where we request the project metadata + # gets stored. We need this to pass to build_wheel, so the backend + # can ensure that the wheel matches the metadata (see the PEP for + # details). + self.metadata_directory: Optional[str] = None + + # The static build requirements (from pyproject.toml) + self.pyproject_requires: Optional[List[str]] = None + + # Build requirements that we will check are available + self.requirements_to_check: List[str] = [] + + # The PEP 517 backend we should use to build the project + self.pep517_backend: Optional[BuildBackendHookCaller] = None + + # Are we using PEP 517 for this requirement? + # After pyproject.toml has been loaded, the only valid values are True + # and False. Before loading, None is valid (meaning "use the default"). + # Setting an explicit value before loading pyproject.toml is supported, + # but after loading this flag should be treated as read only. + self.use_pep517 = use_pep517 + + # This requirement needs more preparation before it can be built + self.needs_more_preparation = False + + def __str__(self) -> str: + if self.req: + s = str(self.req) + if self.link: + s += " from {}".format(redact_auth_from_url(self.link.url)) + elif self.link: + s = redact_auth_from_url(self.link.url) + else: + s = "" + if self.satisfied_by is not None: + if self.satisfied_by.location is not None: + location = display_path(self.satisfied_by.location) + else: + location = "" + s += f" in {location}" + if self.comes_from: + if isinstance(self.comes_from, str): + comes_from: Optional[str] = self.comes_from + else: + comes_from = self.comes_from.from_path() + if comes_from: + s += f" (from {comes_from})" + return s + + def __repr__(self) -> str: + return "<{} object: {} editable={!r}>".format( + self.__class__.__name__, str(self), self.editable + ) + + def format_debug(self) -> str: + """An un-tested helper for getting state, for debugging.""" + attributes = vars(self) + names = sorted(attributes) + + state = ("{}={!r}".format(attr, attributes[attr]) for attr in sorted(names)) + return "<{name} object: {{{state}}}>".format( + name=self.__class__.__name__, + state=", ".join(state), + ) + + # Things that are valid for all kinds of requirements? + @property + def name(self) -> Optional[str]: + if self.req is None: + return None + return self.req.name + + @functools.lru_cache() # use cached_property in python 3.8+ + def supports_pyproject_editable(self) -> bool: + if not self.use_pep517: + return False + assert self.pep517_backend + with self.build_env: + runner = runner_with_spinner_message( + "Checking if build backend supports build_editable" + ) + with self.pep517_backend.subprocess_runner(runner): + return "build_editable" in self.pep517_backend._supported_features() + + @property + def specifier(self) -> SpecifierSet: + return self.req.specifier + + @property + def is_direct(self) -> bool: + """Whether this requirement was specified as a direct URL.""" + return self.original_link is not None + + @property + def is_pinned(self) -> bool: + """Return whether I am pinned to an exact version. + + For example, some-package==1.2 is pinned; some-package>1.2 is not. + """ + specifiers = self.specifier + return len(specifiers) == 1 and next(iter(specifiers)).operator in {"==", "==="} + + def match_markers(self, extras_requested: Optional[Iterable[str]] = None) -> bool: + if not extras_requested: + # Provide an extra to safely evaluate the markers + # without matching any extra + extras_requested = ("",) + if self.markers is not None: + return any( + self.markers.evaluate({"extra": extra}) for extra in extras_requested + ) + else: + return True + + @property + def has_hash_options(self) -> bool: + """Return whether any known-good hashes are specified as options. + + These activate --require-hashes mode; hashes specified as part of a + URL do not. + + """ + return bool(self.hash_options) + + def hashes(self, trust_internet: bool = True) -> Hashes: + """Return a hash-comparer that considers my option- and URL-based + hashes to be known-good. + + Hashes in URLs--ones embedded in the requirements file, not ones + downloaded from an index server--are almost peers with ones from + flags. They satisfy --require-hashes (whether it was implicitly or + explicitly activated) but do not activate it. md5 and sha224 are not + allowed in flags, which should nudge people toward good algos. We + always OR all hashes together, even ones from URLs. + + :param trust_internet: Whether to trust URL-based (#md5=...) hashes + downloaded from the internet, as by populate_link() + + """ + good_hashes = self.hash_options.copy() + if trust_internet: + link = self.link + elif self.is_direct and self.user_supplied: + link = self.original_link + else: + link = None + if link and link.hash: + good_hashes.setdefault(link.hash_name, []).append(link.hash) + return Hashes(good_hashes) + + def from_path(self) -> Optional[str]: + """Format a nice indicator to show where this "comes from" """ + if self.req is None: + return None + s = str(self.req) + if self.comes_from: + if isinstance(self.comes_from, str): + comes_from = self.comes_from + else: + comes_from = self.comes_from.from_path() + if comes_from: + s += "->" + comes_from + return s + + def ensure_build_location( + self, build_dir: str, autodelete: bool, parallel_builds: bool + ) -> str: + assert build_dir is not None + if self._temp_build_dir is not None: + assert self._temp_build_dir.path + return self._temp_build_dir.path + if self.req is None: + # Some systems have /tmp as a symlink which confuses custom + # builds (such as numpy). Thus, we ensure that the real path + # is returned. + self._temp_build_dir = TempDirectory( + kind=tempdir_kinds.REQ_BUILD, globally_managed=True + ) + + return self._temp_build_dir.path + + # This is the only remaining place where we manually determine the path + # for the temporary directory. It is only needed for editables where + # it is the value of the --src option. + + # When parallel builds are enabled, add a UUID to the build directory + # name so multiple builds do not interfere with each other. + dir_name: str = canonicalize_name(self.name) + if parallel_builds: + dir_name = f"{dir_name}_{uuid.uuid4().hex}" + + # FIXME: Is there a better place to create the build_dir? (hg and bzr + # need this) + if not os.path.exists(build_dir): + logger.debug("Creating directory %s", build_dir) + os.makedirs(build_dir) + actual_build_dir = os.path.join(build_dir, dir_name) + # `None` indicates that we respect the globally-configured deletion + # settings, which is what we actually want when auto-deleting. + delete_arg = None if autodelete else False + return TempDirectory( + path=actual_build_dir, + delete=delete_arg, + kind=tempdir_kinds.REQ_BUILD, + globally_managed=True, + ).path + + def _set_requirement(self) -> None: + """Set requirement after generating metadata.""" + assert self.req is None + assert self.metadata is not None + assert self.source_dir is not None + + # Construct a Requirement object from the generated metadata + if isinstance(parse_version(self.metadata["Version"]), Version): + op = "==" + else: + op = "===" + + self.req = Requirement( + "".join( + [ + self.metadata["Name"], + op, + self.metadata["Version"], + ] + ) + ) + + def warn_on_mismatching_name(self) -> None: + metadata_name = canonicalize_name(self.metadata["Name"]) + if canonicalize_name(self.req.name) == metadata_name: + # Everything is fine. + return + + # If we're here, there's a mismatch. Log a warning about it. + logger.warning( + "Generating metadata for package %s " + "produced metadata for project name %s. Fix your " + "#egg=%s fragments.", + self.name, + metadata_name, + self.name, + ) + self.req = Requirement(metadata_name) + + def check_if_exists(self, use_user_site: bool) -> None: + """Find an installed distribution that satisfies or conflicts + with this requirement, and set self.satisfied_by or + self.should_reinstall appropriately. + """ + if self.req is None: + return + existing_dist = get_default_environment().get_distribution(self.req.name) + if not existing_dist: + return + + version_compatible = self.req.specifier.contains( + existing_dist.version, + prereleases=True, + ) + if not version_compatible: + self.satisfied_by = None + if use_user_site: + if existing_dist.in_usersite: + self.should_reinstall = True + elif running_under_virtualenv() and existing_dist.in_site_packages: + raise InstallationError( + f"Will not install to the user site because it will " + f"lack sys.path precedence to {existing_dist.raw_name} " + f"in {existing_dist.location}" + ) + else: + self.should_reinstall = True + else: + if self.editable: + self.should_reinstall = True + # when installing editables, nothing pre-existing should ever + # satisfy + self.satisfied_by = None + else: + self.satisfied_by = existing_dist + + # Things valid for wheels + @property + def is_wheel(self) -> bool: + if not self.link: + return False + return self.link.is_wheel + + @property + def is_wheel_from_cache(self) -> bool: + # When True, it means that this InstallRequirement is a local wheel file in the + # cache of locally built wheels. + return self.cached_wheel_source_link is not None + + # Things valid for sdists + @property + def unpacked_source_directory(self) -> str: + return os.path.join( + self.source_dir, self.link and self.link.subdirectory_fragment or "" + ) + + @property + def setup_py_path(self) -> str: + assert self.source_dir, f"No source dir for {self}" + setup_py = os.path.join(self.unpacked_source_directory, "setup.py") + + return setup_py + + @property + def setup_cfg_path(self) -> str: + assert self.source_dir, f"No source dir for {self}" + setup_cfg = os.path.join(self.unpacked_source_directory, "setup.cfg") + + return setup_cfg + + @property + def pyproject_toml_path(self) -> str: + assert self.source_dir, f"No source dir for {self}" + return make_pyproject_path(self.unpacked_source_directory) + + def load_pyproject_toml(self) -> None: + """Load the pyproject.toml file. + + After calling this routine, all of the attributes related to PEP 517 + processing for this requirement have been set. In particular, the + use_pep517 attribute can be used to determine whether we should + follow the PEP 517 or legacy (setup.py) code path. + """ + pyproject_toml_data = load_pyproject_toml( + self.use_pep517, self.pyproject_toml_path, self.setup_py_path, str(self) + ) + + if pyproject_toml_data is None: + if self.config_settings: + deprecated( + reason=f"Config settings are ignored for project {self}.", + replacement=( + "to use --use-pep517 or add a " + "pyproject.toml file to the project" + ), + gone_in="23.3", + ) + self.use_pep517 = False + return + + self.use_pep517 = True + requires, backend, check, backend_path = pyproject_toml_data + self.requirements_to_check = check + self.pyproject_requires = requires + self.pep517_backend = ConfiguredBuildBackendHookCaller( + self, + self.unpacked_source_directory, + backend, + backend_path=backend_path, + ) + + def isolated_editable_sanity_check(self) -> None: + """Check that an editable requirement if valid for use with PEP 517/518. + + This verifies that an editable that has a pyproject.toml either supports PEP 660 + or as a setup.py or a setup.cfg + """ + if ( + self.editable + and self.use_pep517 + and not self.supports_pyproject_editable() + and not os.path.isfile(self.setup_py_path) + and not os.path.isfile(self.setup_cfg_path) + ): + raise InstallationError( + f"Project {self} has a 'pyproject.toml' and its build " + f"backend is missing the 'build_editable' hook. Since it does not " + f"have a 'setup.py' nor a 'setup.cfg', " + f"it cannot be installed in editable mode. " + f"Consider using a build backend that supports PEP 660." + ) + + def prepare_metadata(self) -> None: + """Ensure that project metadata is available. + + Under PEP 517 and PEP 660, call the backend hook to prepare the metadata. + Under legacy processing, call setup.py egg-info. + """ + assert self.source_dir + details = self.name or f"from {self.link}" + + if self.use_pep517: + assert self.pep517_backend is not None + if ( + self.editable + and self.permit_editable_wheels + and self.supports_pyproject_editable() + ): + self.metadata_directory = generate_editable_metadata( + build_env=self.build_env, + backend=self.pep517_backend, + details=details, + ) + else: + self.metadata_directory = generate_metadata( + build_env=self.build_env, + backend=self.pep517_backend, + details=details, + ) + else: + self.metadata_directory = generate_metadata_legacy( + build_env=self.build_env, + setup_py_path=self.setup_py_path, + source_dir=self.unpacked_source_directory, + isolated=self.isolated, + details=details, + ) + + # Act on the newly generated metadata, based on the name and version. + if not self.name: + self._set_requirement() + else: + self.warn_on_mismatching_name() + + self.assert_source_matches_version() + + @property + def metadata(self) -> Any: + if not hasattr(self, "_metadata"): + self._metadata = self.get_dist().metadata + + return self._metadata + + def get_dist(self) -> BaseDistribution: + if self.metadata_directory: + return get_directory_distribution(self.metadata_directory) + elif self.local_file_path and self.is_wheel: + return get_wheel_distribution( + FilesystemWheel(self.local_file_path), canonicalize_name(self.name) + ) + raise AssertionError( + f"InstallRequirement {self} has no metadata directory and no wheel: " + f"can't make a distribution." + ) + + def assert_source_matches_version(self) -> None: + assert self.source_dir + version = self.metadata["version"] + if self.req.specifier and version not in self.req.specifier: + logger.warning( + "Requested %s, but installing version %s", + self, + version, + ) + else: + logger.debug( + "Source in %s has version %s, which satisfies requirement %s", + display_path(self.source_dir), + version, + self, + ) + + # For both source distributions and editables + def ensure_has_source_dir( + self, + parent_dir: str, + autodelete: bool = False, + parallel_builds: bool = False, + ) -> None: + """Ensure that a source_dir is set. + + This will create a temporary build dir if the name of the requirement + isn't known yet. + + :param parent_dir: The ideal pip parent_dir for the source_dir. + Generally src_dir for editables and build_dir for sdists. + :return: self.source_dir + """ + if self.source_dir is None: + self.source_dir = self.ensure_build_location( + parent_dir, + autodelete=autodelete, + parallel_builds=parallel_builds, + ) + + # For editable installations + def update_editable(self) -> None: + if not self.link: + logger.debug( + "Cannot update repository at %s; repository location is unknown", + self.source_dir, + ) + return + assert self.editable + assert self.source_dir + if self.link.scheme == "file": + # Static paths don't get updated + return + vcs_backend = vcs.get_backend_for_scheme(self.link.scheme) + # Editable requirements are validated in Requirement constructors. + # So here, if it's neither a path nor a valid VCS URL, it's a bug. + assert vcs_backend, f"Unsupported VCS URL {self.link.url}" + hidden_url = hide_url(self.link.url) + vcs_backend.obtain(self.source_dir, url=hidden_url, verbosity=0) + + # Top-level Actions + def uninstall( + self, auto_confirm: bool = False, verbose: bool = False + ) -> Optional[UninstallPathSet]: + """ + Uninstall the distribution currently satisfying this requirement. + + Prompts before removing or modifying files unless + ``auto_confirm`` is True. + + Refuses to delete or modify files outside of ``sys.prefix`` - + thus uninstallation within a virtual environment can only + modify that virtual environment, even if the virtualenv is + linked to global site-packages. + + """ + assert self.req + dist = get_default_environment().get_distribution(self.req.name) + if not dist: + logger.warning("Skipping %s as it is not installed.", self.name) + return None + logger.info("Found existing installation: %s", dist) + + uninstalled_pathset = UninstallPathSet.from_dist(dist) + uninstalled_pathset.remove(auto_confirm, verbose) + return uninstalled_pathset + + def _get_archive_name(self, path: str, parentdir: str, rootdir: str) -> str: + def _clean_zip_name(name: str, prefix: str) -> str: + assert name.startswith( + prefix + os.path.sep + ), f"name {name!r} doesn't start with prefix {prefix!r}" + name = name[len(prefix) + 1 :] + name = name.replace(os.path.sep, "/") + return name + + path = os.path.join(parentdir, path) + name = _clean_zip_name(path, rootdir) + return self.name + "/" + name + + def archive(self, build_dir: Optional[str]) -> None: + """Saves archive to provided build_dir. + + Used for saving downloaded VCS requirements as part of `pip download`. + """ + assert self.source_dir + if build_dir is None: + return + + create_archive = True + archive_name = "{}-{}.zip".format(self.name, self.metadata["version"]) + archive_path = os.path.join(build_dir, archive_name) + + if os.path.exists(archive_path): + response = ask_path_exists( + "The file {} exists. (i)gnore, (w)ipe, " + "(b)ackup, (a)bort ".format(display_path(archive_path)), + ("i", "w", "b", "a"), + ) + if response == "i": + create_archive = False + elif response == "w": + logger.warning("Deleting %s", display_path(archive_path)) + os.remove(archive_path) + elif response == "b": + dest_file = backup_dir(archive_path) + logger.warning( + "Backing up %s to %s", + display_path(archive_path), + display_path(dest_file), + ) + shutil.move(archive_path, dest_file) + elif response == "a": + sys.exit(-1) + + if not create_archive: + return + + zip_output = zipfile.ZipFile( + archive_path, + "w", + zipfile.ZIP_DEFLATED, + allowZip64=True, + ) + with zip_output: + dir = os.path.normcase(os.path.abspath(self.unpacked_source_directory)) + for dirpath, dirnames, filenames in os.walk(dir): + for dirname in dirnames: + dir_arcname = self._get_archive_name( + dirname, + parentdir=dirpath, + rootdir=dir, + ) + zipdir = zipfile.ZipInfo(dir_arcname + "/") + zipdir.external_attr = 0x1ED << 16 # 0o755 + zip_output.writestr(zipdir, "") + for filename in filenames: + file_arcname = self._get_archive_name( + filename, + parentdir=dirpath, + rootdir=dir, + ) + filename = os.path.join(dirpath, filename) + zip_output.write(filename, file_arcname) + + logger.info("Saved %s", display_path(archive_path)) + + def install( + self, + global_options: Optional[Sequence[str]] = None, + root: Optional[str] = None, + home: Optional[str] = None, + prefix: Optional[str] = None, + warn_script_location: bool = True, + use_user_site: bool = False, + pycompile: bool = True, + ) -> None: + scheme = get_scheme( + self.name, + user=use_user_site, + home=home, + root=root, + isolated=self.isolated, + prefix=prefix, + ) + + if self.editable and not self.is_wheel: + install_editable_legacy( + global_options=global_options if global_options is not None else [], + prefix=prefix, + home=home, + use_user_site=use_user_site, + name=self.name, + setup_py_path=self.setup_py_path, + isolated=self.isolated, + build_env=self.build_env, + unpacked_source_directory=self.unpacked_source_directory, + ) + self.install_succeeded = True + return + + assert self.is_wheel + assert self.local_file_path + + install_wheel( + self.name, + self.local_file_path, + scheme=scheme, + req_description=str(self.req), + pycompile=pycompile, + warn_script_location=warn_script_location, + direct_url=self.download_info if self.is_direct else None, + requested=self.user_supplied, + ) + self.install_succeeded = True + + +def check_invalid_constraint_type(req: InstallRequirement) -> str: + # Check for unsupported forms + problem = "" + if not req.name: + problem = "Unnamed requirements are not allowed as constraints" + elif req.editable: + problem = "Editable requirements are not allowed as constraints" + elif req.extras: + problem = "Constraints cannot have extras" + + if problem: + deprecated( + reason=( + "Constraints are only allowed to take the form of a package " + "name and a version specifier. Other forms were originally " + "permitted as an accident of the implementation, but were " + "undocumented. The new implementation of the resolver no " + "longer supports these forms." + ), + replacement="replacing the constraint with a requirement", + # No plan yet for when the new resolver becomes default + gone_in=None, + issue=8210, + ) + + return problem + + +def _has_option(options: Values, reqs: List[InstallRequirement], option: str) -> bool: + if getattr(options, option, None): + return True + for req in reqs: + if getattr(req, option, None): + return True + return False + + +def check_legacy_setup_py_options( + options: Values, + reqs: List[InstallRequirement], +) -> None: + has_build_options = _has_option(options, reqs, "build_options") + has_global_options = _has_option(options, reqs, "global_options") + if has_build_options or has_global_options: + deprecated( + reason="--build-option and --global-option are deprecated.", + issue=11859, + replacement="to use --config-settings", + gone_in="23.3", + ) + logger.warning( + "Implying --no-binary=:all: due to the presence of " + "--build-option / --global-option. " + ) + options.format_control.disallow_binaries() diff --git a/.venv/Lib/site-packages/pip/_internal/req/req_set.py b/.venv/Lib/site-packages/pip/_internal/req/req_set.py new file mode 100644 index 0000000000000000000000000000000000000000..cff676017373bfacb12b937e6bea7266965fc040 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/req_set.py @@ -0,0 +1,119 @@ +import logging +from collections import OrderedDict +from typing import Dict, List + +from pip._vendor.packaging.specifiers import LegacySpecifier +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.packaging.version import LegacyVersion + +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.deprecation import deprecated + +logger = logging.getLogger(__name__) + + +class RequirementSet: + def __init__(self, check_supported_wheels: bool = True) -> None: + """Create a RequirementSet.""" + + self.requirements: Dict[str, InstallRequirement] = OrderedDict() + self.check_supported_wheels = check_supported_wheels + + self.unnamed_requirements: List[InstallRequirement] = [] + + def __str__(self) -> str: + requirements = sorted( + (req for req in self.requirements.values() if not req.comes_from), + key=lambda req: canonicalize_name(req.name or ""), + ) + return " ".join(str(req.req) for req in requirements) + + def __repr__(self) -> str: + requirements = sorted( + self.requirements.values(), + key=lambda req: canonicalize_name(req.name or ""), + ) + + format_string = "<{classname} object; {count} requirement(s): {reqs}>" + return format_string.format( + classname=self.__class__.__name__, + count=len(requirements), + reqs=", ".join(str(req.req) for req in requirements), + ) + + def add_unnamed_requirement(self, install_req: InstallRequirement) -> None: + assert not install_req.name + self.unnamed_requirements.append(install_req) + + def add_named_requirement(self, install_req: InstallRequirement) -> None: + assert install_req.name + + project_name = canonicalize_name(install_req.name) + self.requirements[project_name] = install_req + + def has_requirement(self, name: str) -> bool: + project_name = canonicalize_name(name) + + return ( + project_name in self.requirements + and not self.requirements[project_name].constraint + ) + + def get_requirement(self, name: str) -> InstallRequirement: + project_name = canonicalize_name(name) + + if project_name in self.requirements: + return self.requirements[project_name] + + raise KeyError(f"No project with the name {name!r}") + + @property + def all_requirements(self) -> List[InstallRequirement]: + return self.unnamed_requirements + list(self.requirements.values()) + + @property + def requirements_to_install(self) -> List[InstallRequirement]: + """Return the list of requirements that need to be installed. + + TODO remove this property together with the legacy resolver, since the new + resolver only returns requirements that need to be installed. + """ + return [ + install_req + for install_req in self.all_requirements + if not install_req.constraint and not install_req.satisfied_by + ] + + def warn_legacy_versions_and_specifiers(self) -> None: + for req in self.requirements_to_install: + version = req.get_dist().version + if isinstance(version, LegacyVersion): + deprecated( + reason=( + f"pip has selected the non standard version {version} " + f"of {req}. In the future this version will be " + f"ignored as it isn't standard compliant." + ), + replacement=( + "set or update constraints to select another version " + "or contact the package author to fix the version number" + ), + issue=12063, + gone_in="23.3", + ) + for dep in req.get_dist().iter_dependencies(): + if any(isinstance(spec, LegacySpecifier) for spec in dep.specifier): + deprecated( + reason=( + f"pip has selected {req} {version} which has non " + f"standard dependency specifier {dep}. " + f"In the future this version of {req} will be " + f"ignored as it isn't standard compliant." + ), + replacement=( + "set or update constraints to select another version " + "or contact the package author to fix the version number" + ), + issue=12063, + gone_in="23.3", + ) diff --git a/.venv/Lib/site-packages/pip/_internal/req/req_uninstall.py b/.venv/Lib/site-packages/pip/_internal/req/req_uninstall.py new file mode 100644 index 0000000000000000000000000000000000000000..ad5178e76ff9245ca515fd826ab51907956f8591 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/req/req_uninstall.py @@ -0,0 +1,650 @@ +import functools +import os +import sys +import sysconfig +from importlib.util import cache_from_source +from typing import Any, Callable, Dict, Generator, Iterable, List, Optional, Set, Tuple + +from pip._internal.exceptions import UninstallationError +from pip._internal.locations import get_bin_prefix, get_bin_user +from pip._internal.metadata import BaseDistribution +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.egg_link import egg_link_path_from_location +from pip._internal.utils.logging import getLogger, indent_log +from pip._internal.utils.misc import ask, normalize_path, renames, rmtree +from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory +from pip._internal.utils.virtualenv import running_under_virtualenv + +logger = getLogger(__name__) + + +def _script_names( + bin_dir: str, script_name: str, is_gui: bool +) -> Generator[str, None, None]: + """Create the fully qualified name of the files created by + {console,gui}_scripts for the given ``dist``. + Returns the list of file names + """ + exe_name = os.path.join(bin_dir, script_name) + yield exe_name + if not WINDOWS: + return + yield f"{exe_name}.exe" + yield f"{exe_name}.exe.manifest" + if is_gui: + yield f"{exe_name}-script.pyw" + else: + yield f"{exe_name}-script.py" + + +def _unique( + fn: Callable[..., Generator[Any, None, None]] +) -> Callable[..., Generator[Any, None, None]]: + @functools.wraps(fn) + def unique(*args: Any, **kw: Any) -> Generator[Any, None, None]: + seen: Set[Any] = set() + for item in fn(*args, **kw): + if item not in seen: + seen.add(item) + yield item + + return unique + + +@_unique +def uninstallation_paths(dist: BaseDistribution) -> Generator[str, None, None]: + """ + Yield all the uninstallation paths for dist based on RECORD-without-.py[co] + + Yield paths to all the files in RECORD. For each .py file in RECORD, add + the .pyc and .pyo in the same directory. + + UninstallPathSet.add() takes care of the __pycache__ .py[co]. + + If RECORD is not found, raises UninstallationError, + with possible information from the INSTALLER file. + + https://packaging.python.org/specifications/recording-installed-packages/ + """ + location = dist.location + assert location is not None, "not installed" + + entries = dist.iter_declared_entries() + if entries is None: + msg = "Cannot uninstall {dist}, RECORD file not found.".format(dist=dist) + installer = dist.installer + if not installer or installer == "pip": + dep = "{}=={}".format(dist.raw_name, dist.version) + msg += ( + " You might be able to recover from this via: " + "'pip install --force-reinstall --no-deps {}'.".format(dep) + ) + else: + msg += " Hint: The package was installed by {}.".format(installer) + raise UninstallationError(msg) + + for entry in entries: + path = os.path.join(location, entry) + yield path + if path.endswith(".py"): + dn, fn = os.path.split(path) + base = fn[:-3] + path = os.path.join(dn, base + ".pyc") + yield path + path = os.path.join(dn, base + ".pyo") + yield path + + +def compact(paths: Iterable[str]) -> Set[str]: + """Compact a path set to contain the minimal number of paths + necessary to contain all paths in the set. If /a/path/ and + /a/path/to/a/file.txt are both in the set, leave only the + shorter path.""" + + sep = os.path.sep + short_paths: Set[str] = set() + for path in sorted(paths, key=len): + should_skip = any( + path.startswith(shortpath.rstrip("*")) + and path[len(shortpath.rstrip("*").rstrip(sep))] == sep + for shortpath in short_paths + ) + if not should_skip: + short_paths.add(path) + return short_paths + + +def compress_for_rename(paths: Iterable[str]) -> Set[str]: + """Returns a set containing the paths that need to be renamed. + + This set may include directories when the original sequence of paths + included every file on disk. + """ + case_map = {os.path.normcase(p): p for p in paths} + remaining = set(case_map) + unchecked = sorted({os.path.split(p)[0] for p in case_map.values()}, key=len) + wildcards: Set[str] = set() + + def norm_join(*a: str) -> str: + return os.path.normcase(os.path.join(*a)) + + for root in unchecked: + if any(os.path.normcase(root).startswith(w) for w in wildcards): + # This directory has already been handled. + continue + + all_files: Set[str] = set() + all_subdirs: Set[str] = set() + for dirname, subdirs, files in os.walk(root): + all_subdirs.update(norm_join(root, dirname, d) for d in subdirs) + all_files.update(norm_join(root, dirname, f) for f in files) + # If all the files we found are in our remaining set of files to + # remove, then remove them from the latter set and add a wildcard + # for the directory. + if not (all_files - remaining): + remaining.difference_update(all_files) + wildcards.add(root + os.sep) + + return set(map(case_map.__getitem__, remaining)) | wildcards + + +def compress_for_output_listing(paths: Iterable[str]) -> Tuple[Set[str], Set[str]]: + """Returns a tuple of 2 sets of which paths to display to user + + The first set contains paths that would be deleted. Files of a package + are not added and the top-level directory of the package has a '*' added + at the end - to signify that all it's contents are removed. + + The second set contains files that would have been skipped in the above + folders. + """ + + will_remove = set(paths) + will_skip = set() + + # Determine folders and files + folders = set() + files = set() + for path in will_remove: + if path.endswith(".pyc"): + continue + if path.endswith("__init__.py") or ".dist-info" in path: + folders.add(os.path.dirname(path)) + files.add(path) + + # probably this one https://github.com/python/mypy/issues/390 + _normcased_files = set(map(os.path.normcase, files)) # type: ignore + + folders = compact(folders) + + # This walks the tree using os.walk to not miss extra folders + # that might get added. + for folder in folders: + for dirpath, _, dirfiles in os.walk(folder): + for fname in dirfiles: + if fname.endswith(".pyc"): + continue + + file_ = os.path.join(dirpath, fname) + if ( + os.path.isfile(file_) + and os.path.normcase(file_) not in _normcased_files + ): + # We are skipping this file. Add it to the set. + will_skip.add(file_) + + will_remove = files | {os.path.join(folder, "*") for folder in folders} + + return will_remove, will_skip + + +class StashedUninstallPathSet: + """A set of file rename operations to stash files while + tentatively uninstalling them.""" + + def __init__(self) -> None: + # Mapping from source file root to [Adjacent]TempDirectory + # for files under that directory. + self._save_dirs: Dict[str, TempDirectory] = {} + # (old path, new path) tuples for each move that may need + # to be undone. + self._moves: List[Tuple[str, str]] = [] + + def _get_directory_stash(self, path: str) -> str: + """Stashes a directory. + + Directories are stashed adjacent to their original location if + possible, or else moved/copied into the user's temp dir.""" + + try: + save_dir: TempDirectory = AdjacentTempDirectory(path) + except OSError: + save_dir = TempDirectory(kind="uninstall") + self._save_dirs[os.path.normcase(path)] = save_dir + + return save_dir.path + + def _get_file_stash(self, path: str) -> str: + """Stashes a file. + + If no root has been provided, one will be created for the directory + in the user's temp directory.""" + path = os.path.normcase(path) + head, old_head = os.path.dirname(path), None + save_dir = None + + while head != old_head: + try: + save_dir = self._save_dirs[head] + break + except KeyError: + pass + head, old_head = os.path.dirname(head), head + else: + # Did not find any suitable root + head = os.path.dirname(path) + save_dir = TempDirectory(kind="uninstall") + self._save_dirs[head] = save_dir + + relpath = os.path.relpath(path, head) + if relpath and relpath != os.path.curdir: + return os.path.join(save_dir.path, relpath) + return save_dir.path + + def stash(self, path: str) -> str: + """Stashes the directory or file and returns its new location. + Handle symlinks as files to avoid modifying the symlink targets. + """ + path_is_dir = os.path.isdir(path) and not os.path.islink(path) + if path_is_dir: + new_path = self._get_directory_stash(path) + else: + new_path = self._get_file_stash(path) + + self._moves.append((path, new_path)) + if path_is_dir and os.path.isdir(new_path): + # If we're moving a directory, we need to + # remove the destination first or else it will be + # moved to inside the existing directory. + # We just created new_path ourselves, so it will + # be removable. + os.rmdir(new_path) + renames(path, new_path) + return new_path + + def commit(self) -> None: + """Commits the uninstall by removing stashed files.""" + for _, save_dir in self._save_dirs.items(): + save_dir.cleanup() + self._moves = [] + self._save_dirs = {} + + def rollback(self) -> None: + """Undoes the uninstall by moving stashed files back.""" + for p in self._moves: + logger.info("Moving to %s\n from %s", *p) + + for new_path, path in self._moves: + try: + logger.debug("Replacing %s from %s", new_path, path) + if os.path.isfile(new_path) or os.path.islink(new_path): + os.unlink(new_path) + elif os.path.isdir(new_path): + rmtree(new_path) + renames(path, new_path) + except OSError as ex: + logger.error("Failed to restore %s", new_path) + logger.debug("Exception: %s", ex) + + self.commit() + + @property + def can_rollback(self) -> bool: + return bool(self._moves) + + +class UninstallPathSet: + """A set of file paths to be removed in the uninstallation of a + requirement.""" + + def __init__(self, dist: BaseDistribution) -> None: + self._paths: Set[str] = set() + self._refuse: Set[str] = set() + self._pth: Dict[str, UninstallPthEntries] = {} + self._dist = dist + self._moved_paths = StashedUninstallPathSet() + # Create local cache of normalize_path results. Creating an UninstallPathSet + # can result in hundreds/thousands of redundant calls to normalize_path with + # the same args, which hurts performance. + self._normalize_path_cached = functools.lru_cache()(normalize_path) + + def _permitted(self, path: str) -> bool: + """ + Return True if the given path is one we are permitted to + remove/modify, False otherwise. + + """ + # aka is_local, but caching normalized sys.prefix + if not running_under_virtualenv(): + return True + return path.startswith(self._normalize_path_cached(sys.prefix)) + + def add(self, path: str) -> None: + head, tail = os.path.split(path) + + # we normalize the head to resolve parent directory symlinks, but not + # the tail, since we only want to uninstall symlinks, not their targets + path = os.path.join(self._normalize_path_cached(head), os.path.normcase(tail)) + + if not os.path.exists(path): + return + if self._permitted(path): + self._paths.add(path) + else: + self._refuse.add(path) + + # __pycache__ files can show up after 'installed-files.txt' is created, + # due to imports + if os.path.splitext(path)[1] == ".py": + self.add(cache_from_source(path)) + + def add_pth(self, pth_file: str, entry: str) -> None: + pth_file = self._normalize_path_cached(pth_file) + if self._permitted(pth_file): + if pth_file not in self._pth: + self._pth[pth_file] = UninstallPthEntries(pth_file) + self._pth[pth_file].add(entry) + else: + self._refuse.add(pth_file) + + def remove(self, auto_confirm: bool = False, verbose: bool = False) -> None: + """Remove paths in ``self._paths`` with confirmation (unless + ``auto_confirm`` is True).""" + + if not self._paths: + logger.info( + "Can't uninstall '%s'. No files were found to uninstall.", + self._dist.raw_name, + ) + return + + dist_name_version = f"{self._dist.raw_name}-{self._dist.version}" + logger.info("Uninstalling %s:", dist_name_version) + + with indent_log(): + if auto_confirm or self._allowed_to_proceed(verbose): + moved = self._moved_paths + + for_rename = compress_for_rename(self._paths) + + for path in sorted(compact(for_rename)): + moved.stash(path) + logger.verbose("Removing file or directory %s", path) + + for pth in self._pth.values(): + pth.remove() + + logger.info("Successfully uninstalled %s", dist_name_version) + + def _allowed_to_proceed(self, verbose: bool) -> bool: + """Display which files would be deleted and prompt for confirmation""" + + def _display(msg: str, paths: Iterable[str]) -> None: + if not paths: + return + + logger.info(msg) + with indent_log(): + for path in sorted(compact(paths)): + logger.info(path) + + if not verbose: + will_remove, will_skip = compress_for_output_listing(self._paths) + else: + # In verbose mode, display all the files that are going to be + # deleted. + will_remove = set(self._paths) + will_skip = set() + + _display("Would remove:", will_remove) + _display("Would not remove (might be manually added):", will_skip) + _display("Would not remove (outside of prefix):", self._refuse) + if verbose: + _display("Will actually move:", compress_for_rename(self._paths)) + + return ask("Proceed (Y/n)? ", ("y", "n", "")) != "n" + + def rollback(self) -> None: + """Rollback the changes previously made by remove().""" + if not self._moved_paths.can_rollback: + logger.error( + "Can't roll back %s; was not uninstalled", + self._dist.raw_name, + ) + return + logger.info("Rolling back uninstall of %s", self._dist.raw_name) + self._moved_paths.rollback() + for pth in self._pth.values(): + pth.rollback() + + def commit(self) -> None: + """Remove temporary save dir: rollback will no longer be possible.""" + self._moved_paths.commit() + + @classmethod + def from_dist(cls, dist: BaseDistribution) -> "UninstallPathSet": + dist_location = dist.location + info_location = dist.info_location + if dist_location is None: + logger.info( + "Not uninstalling %s since it is not installed", + dist.canonical_name, + ) + return cls(dist) + + normalized_dist_location = normalize_path(dist_location) + if not dist.local: + logger.info( + "Not uninstalling %s at %s, outside environment %s", + dist.canonical_name, + normalized_dist_location, + sys.prefix, + ) + return cls(dist) + + if normalized_dist_location in { + p + for p in {sysconfig.get_path("stdlib"), sysconfig.get_path("platstdlib")} + if p + }: + logger.info( + "Not uninstalling %s at %s, as it is in the standard library.", + dist.canonical_name, + normalized_dist_location, + ) + return cls(dist) + + paths_to_remove = cls(dist) + develop_egg_link = egg_link_path_from_location(dist.raw_name) + + # Distribution is installed with metadata in a "flat" .egg-info + # directory. This means it is not a modern .dist-info installation, an + # egg, or legacy editable. + setuptools_flat_installation = ( + dist.installed_with_setuptools_egg_info + and info_location is not None + and os.path.exists(info_location) + # If dist is editable and the location points to a ``.egg-info``, + # we are in fact in the legacy editable case. + and not info_location.endswith(f"{dist.setuptools_filename}.egg-info") + ) + + # Uninstall cases order do matter as in the case of 2 installs of the + # same package, pip needs to uninstall the currently detected version + if setuptools_flat_installation: + if info_location is not None: + paths_to_remove.add(info_location) + installed_files = dist.iter_declared_entries() + if installed_files is not None: + for installed_file in installed_files: + paths_to_remove.add(os.path.join(dist_location, installed_file)) + # FIXME: need a test for this elif block + # occurs with --single-version-externally-managed/--record outside + # of pip + elif dist.is_file("top_level.txt"): + try: + namespace_packages = dist.read_text("namespace_packages.txt") + except FileNotFoundError: + namespaces = [] + else: + namespaces = namespace_packages.splitlines(keepends=False) + for top_level_pkg in [ + p + for p in dist.read_text("top_level.txt").splitlines() + if p and p not in namespaces + ]: + path = os.path.join(dist_location, top_level_pkg) + paths_to_remove.add(path) + paths_to_remove.add(f"{path}.py") + paths_to_remove.add(f"{path}.pyc") + paths_to_remove.add(f"{path}.pyo") + + elif dist.installed_by_distutils: + raise UninstallationError( + "Cannot uninstall {!r}. It is a distutils installed project " + "and thus we cannot accurately determine which files belong " + "to it which would lead to only a partial uninstall.".format( + dist.raw_name, + ) + ) + + elif dist.installed_as_egg: + # package installed by easy_install + # We cannot match on dist.egg_name because it can slightly vary + # i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg + paths_to_remove.add(dist_location) + easy_install_egg = os.path.split(dist_location)[1] + easy_install_pth = os.path.join( + os.path.dirname(dist_location), + "easy-install.pth", + ) + paths_to_remove.add_pth(easy_install_pth, "./" + easy_install_egg) + + elif dist.installed_with_dist_info: + for path in uninstallation_paths(dist): + paths_to_remove.add(path) + + elif develop_egg_link: + # PEP 660 modern editable is handled in the ``.dist-info`` case + # above, so this only covers the setuptools-style editable. + with open(develop_egg_link) as fh: + link_pointer = os.path.normcase(fh.readline().strip()) + normalized_link_pointer = paths_to_remove._normalize_path_cached( + link_pointer + ) + assert os.path.samefile( + normalized_link_pointer, normalized_dist_location + ), ( + f"Egg-link {develop_egg_link} (to {link_pointer}) does not match " + f"installed location of {dist.raw_name} (at {dist_location})" + ) + paths_to_remove.add(develop_egg_link) + easy_install_pth = os.path.join( + os.path.dirname(develop_egg_link), "easy-install.pth" + ) + paths_to_remove.add_pth(easy_install_pth, dist_location) + + else: + logger.debug( + "Not sure how to uninstall: %s - Check: %s", + dist, + dist_location, + ) + + if dist.in_usersite: + bin_dir = get_bin_user() + else: + bin_dir = get_bin_prefix() + + # find distutils scripts= scripts + try: + for script in dist.iter_distutils_script_names(): + paths_to_remove.add(os.path.join(bin_dir, script)) + if WINDOWS: + paths_to_remove.add(os.path.join(bin_dir, f"{script}.bat")) + except (FileNotFoundError, NotADirectoryError): + pass + + # find console_scripts and gui_scripts + def iter_scripts_to_remove( + dist: BaseDistribution, + bin_dir: str, + ) -> Generator[str, None, None]: + for entry_point in dist.iter_entry_points(): + if entry_point.group == "console_scripts": + yield from _script_names(bin_dir, entry_point.name, False) + elif entry_point.group == "gui_scripts": + yield from _script_names(bin_dir, entry_point.name, True) + + for s in iter_scripts_to_remove(dist, bin_dir): + paths_to_remove.add(s) + + return paths_to_remove + + +class UninstallPthEntries: + def __init__(self, pth_file: str) -> None: + self.file = pth_file + self.entries: Set[str] = set() + self._saved_lines: Optional[List[bytes]] = None + + def add(self, entry: str) -> None: + entry = os.path.normcase(entry) + # On Windows, os.path.normcase converts the entry to use + # backslashes. This is correct for entries that describe absolute + # paths outside of site-packages, but all the others use forward + # slashes. + # os.path.splitdrive is used instead of os.path.isabs because isabs + # treats non-absolute paths with drive letter markings like c:foo\bar + # as absolute paths. It also does not recognize UNC paths if they don't + # have more than "\\sever\share". Valid examples: "\\server\share\" or + # "\\server\share\folder". + if WINDOWS and not os.path.splitdrive(entry)[0]: + entry = entry.replace("\\", "/") + self.entries.add(entry) + + def remove(self) -> None: + logger.verbose("Removing pth entries from %s:", self.file) + + # If the file doesn't exist, log a warning and return + if not os.path.isfile(self.file): + logger.warning("Cannot remove entries from nonexistent file %s", self.file) + return + with open(self.file, "rb") as fh: + # windows uses '\r\n' with py3k, but uses '\n' with py2.x + lines = fh.readlines() + self._saved_lines = lines + if any(b"\r\n" in line for line in lines): + endline = "\r\n" + else: + endline = "\n" + # handle missing trailing newline + if lines and not lines[-1].endswith(endline.encode("utf-8")): + lines[-1] = lines[-1] + endline.encode("utf-8") + for entry in self.entries: + try: + logger.verbose("Removing entry: %s", entry) + lines.remove((entry + endline).encode("utf-8")) + except ValueError: + pass + with open(self.file, "wb") as fh: + fh.writelines(lines) + + def rollback(self) -> bool: + if self._saved_lines is None: + logger.error("Cannot roll back changes to %s, none were made", self.file) + return False + logger.debug("Rolling %s back to previous state", self.file) + with open(self.file, "wb") as fh: + fh.writelines(self._saved_lines) + return True diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/__init__.py b/.venv/Lib/site-packages/pip/_internal/resolution/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/base.py b/.venv/Lib/site-packages/pip/_internal/resolution/base.py new file mode 100644 index 0000000000000000000000000000000000000000..42dade18c1ec2b825f756dad4aaa89f2d9e6ce21 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/base.py @@ -0,0 +1,20 @@ +from typing import Callable, List, Optional + +from pip._internal.req.req_install import InstallRequirement +from pip._internal.req.req_set import RequirementSet + +InstallRequirementProvider = Callable[ + [str, Optional[InstallRequirement]], InstallRequirement +] + + +class BaseResolver: + def resolve( + self, root_reqs: List[InstallRequirement], check_supported_wheels: bool + ) -> RequirementSet: + raise NotImplementedError() + + def get_installation_order( + self, req_set: RequirementSet + ) -> List[InstallRequirement]: + raise NotImplementedError() diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py b/.venv/Lib/site-packages/pip/_internal/resolution/legacy/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py b/.venv/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py new file mode 100644 index 0000000000000000000000000000000000000000..b17b7e4530b185a4011f4dc3211ddedd6d6587aa --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/legacy/resolver.py @@ -0,0 +1,600 @@ +"""Dependency Resolution + +The dependency resolution in pip is performed as follows: + +for top-level requirements: + a. only one spec allowed per project, regardless of conflicts or not. + otherwise a "double requirement" exception is raised + b. they override sub-dependency requirements. +for sub-dependencies + a. "first found, wins" (where the order is breadth first) +""" + +# The following comment should be removed at some point in the future. +# mypy: strict-optional=False + +import logging +import sys +from collections import defaultdict +from itertools import chain +from typing import DefaultDict, Iterable, List, Optional, Set, Tuple + +from pip._vendor.packaging import specifiers +from pip._vendor.packaging.requirements import Requirement + +from pip._internal.cache import WheelCache +from pip._internal.exceptions import ( + BestVersionAlreadyInstalled, + DistributionNotFound, + HashError, + HashErrors, + InstallationError, + NoneMetadataError, + UnsupportedPythonVersion, +) +from pip._internal.index.package_finder import PackageFinder +from pip._internal.metadata import BaseDistribution +from pip._internal.models.link import Link +from pip._internal.models.wheel import Wheel +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req.req_install import ( + InstallRequirement, + check_invalid_constraint_type, +) +from pip._internal.req.req_set import RequirementSet +from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider +from pip._internal.utils import compatibility_tags +from pip._internal.utils.compatibility_tags import get_supported +from pip._internal.utils.direct_url_helpers import direct_url_from_link +from pip._internal.utils.logging import indent_log +from pip._internal.utils.misc import normalize_version_info +from pip._internal.utils.packaging import check_requires_python + +logger = logging.getLogger(__name__) + +DiscoveredDependencies = DefaultDict[str, List[InstallRequirement]] + + +def _check_dist_requires_python( + dist: BaseDistribution, + version_info: Tuple[int, int, int], + ignore_requires_python: bool = False, +) -> None: + """ + Check whether the given Python version is compatible with a distribution's + "Requires-Python" value. + + :param version_info: A 3-tuple of ints representing the Python + major-minor-micro version to check. + :param ignore_requires_python: Whether to ignore the "Requires-Python" + value if the given Python version isn't compatible. + + :raises UnsupportedPythonVersion: When the given Python version isn't + compatible. + """ + # This idiosyncratically converts the SpecifierSet to str and let + # check_requires_python then parse it again into SpecifierSet. But this + # is the legacy resolver so I'm just not going to bother refactoring. + try: + requires_python = str(dist.requires_python) + except FileNotFoundError as e: + raise NoneMetadataError(dist, str(e)) + try: + is_compatible = check_requires_python( + requires_python, + version_info=version_info, + ) + except specifiers.InvalidSpecifier as exc: + logger.warning( + "Package %r has an invalid Requires-Python: %s", dist.raw_name, exc + ) + return + + if is_compatible: + return + + version = ".".join(map(str, version_info)) + if ignore_requires_python: + logger.debug( + "Ignoring failed Requires-Python check for package %r: %s not in %r", + dist.raw_name, + version, + requires_python, + ) + return + + raise UnsupportedPythonVersion( + "Package {!r} requires a different Python: {} not in {!r}".format( + dist.raw_name, version, requires_python + ) + ) + + +class Resolver(BaseResolver): + """Resolves which packages need to be installed/uninstalled to perform \ + the requested operation without breaking the requirements of any package. + """ + + _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"} + + def __init__( + self, + preparer: RequirementPreparer, + finder: PackageFinder, + wheel_cache: Optional[WheelCache], + make_install_req: InstallRequirementProvider, + use_user_site: bool, + ignore_dependencies: bool, + ignore_installed: bool, + ignore_requires_python: bool, + force_reinstall: bool, + upgrade_strategy: str, + py_version_info: Optional[Tuple[int, ...]] = None, + ) -> None: + super().__init__() + assert upgrade_strategy in self._allowed_strategies + + if py_version_info is None: + py_version_info = sys.version_info[:3] + else: + py_version_info = normalize_version_info(py_version_info) + + self._py_version_info = py_version_info + + self.preparer = preparer + self.finder = finder + self.wheel_cache = wheel_cache + + self.upgrade_strategy = upgrade_strategy + self.force_reinstall = force_reinstall + self.ignore_dependencies = ignore_dependencies + self.ignore_installed = ignore_installed + self.ignore_requires_python = ignore_requires_python + self.use_user_site = use_user_site + self._make_install_req = make_install_req + + self._discovered_dependencies: DiscoveredDependencies = defaultdict(list) + + def resolve( + self, root_reqs: List[InstallRequirement], check_supported_wheels: bool + ) -> RequirementSet: + """Resolve what operations need to be done + + As a side-effect of this method, the packages (and their dependencies) + are downloaded, unpacked and prepared for installation. This + preparation is done by ``pip.operations.prepare``. + + Once PyPI has static dependency metadata available, it would be + possible to move the preparation to become a step separated from + dependency resolution. + """ + requirement_set = RequirementSet(check_supported_wheels=check_supported_wheels) + for req in root_reqs: + if req.constraint: + check_invalid_constraint_type(req) + self._add_requirement_to_set(requirement_set, req) + + # Actually prepare the files, and collect any exceptions. Most hash + # exceptions cannot be checked ahead of time, because + # _populate_link() needs to be called before we can make decisions + # based on link type. + discovered_reqs: List[InstallRequirement] = [] + hash_errors = HashErrors() + for req in chain(requirement_set.all_requirements, discovered_reqs): + try: + discovered_reqs.extend(self._resolve_one(requirement_set, req)) + except HashError as exc: + exc.req = req + hash_errors.append(exc) + + if hash_errors: + raise hash_errors + + return requirement_set + + def _add_requirement_to_set( + self, + requirement_set: RequirementSet, + install_req: InstallRequirement, + parent_req_name: Optional[str] = None, + extras_requested: Optional[Iterable[str]] = None, + ) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]]: + """Add install_req as a requirement to install. + + :param parent_req_name: The name of the requirement that needed this + added. The name is used because when multiple unnamed requirements + resolve to the same name, we could otherwise end up with dependency + links that point outside the Requirements set. parent_req must + already be added. Note that None implies that this is a user + supplied requirement, vs an inferred one. + :param extras_requested: an iterable of extras used to evaluate the + environment markers. + :return: Additional requirements to scan. That is either [] if + the requirement is not applicable, or [install_req] if the + requirement is applicable and has just been added. + """ + # If the markers do not match, ignore this requirement. + if not install_req.match_markers(extras_requested): + logger.info( + "Ignoring %s: markers '%s' don't match your environment", + install_req.name, + install_req.markers, + ) + return [], None + + # If the wheel is not supported, raise an error. + # Should check this after filtering out based on environment markers to + # allow specifying different wheels based on the environment/OS, in a + # single requirements file. + if install_req.link and install_req.link.is_wheel: + wheel = Wheel(install_req.link.filename) + tags = compatibility_tags.get_supported() + if requirement_set.check_supported_wheels and not wheel.supported(tags): + raise InstallationError( + "{} is not a supported wheel on this platform.".format( + wheel.filename + ) + ) + + # This next bit is really a sanity check. + assert ( + not install_req.user_supplied or parent_req_name is None + ), "a user supplied req shouldn't have a parent" + + # Unnamed requirements are scanned again and the requirement won't be + # added as a dependency until after scanning. + if not install_req.name: + requirement_set.add_unnamed_requirement(install_req) + return [install_req], None + + try: + existing_req: Optional[ + InstallRequirement + ] = requirement_set.get_requirement(install_req.name) + except KeyError: + existing_req = None + + has_conflicting_requirement = ( + parent_req_name is None + and existing_req + and not existing_req.constraint + and existing_req.extras == install_req.extras + and existing_req.req + and install_req.req + and existing_req.req.specifier != install_req.req.specifier + ) + if has_conflicting_requirement: + raise InstallationError( + "Double requirement given: {} (already in {}, name={!r})".format( + install_req, existing_req, install_req.name + ) + ) + + # When no existing requirement exists, add the requirement as a + # dependency and it will be scanned again after. + if not existing_req: + requirement_set.add_named_requirement(install_req) + # We'd want to rescan this requirement later + return [install_req], install_req + + # Assume there's no need to scan, and that we've already + # encountered this for scanning. + if install_req.constraint or not existing_req.constraint: + return [], existing_req + + does_not_satisfy_constraint = install_req.link and not ( + existing_req.link and install_req.link.path == existing_req.link.path + ) + if does_not_satisfy_constraint: + raise InstallationError( + "Could not satisfy constraints for '{}': " + "installation from path or url cannot be " + "constrained to a version".format(install_req.name) + ) + # If we're now installing a constraint, mark the existing + # object for real installation. + existing_req.constraint = False + # If we're now installing a user supplied requirement, + # mark the existing object as such. + if install_req.user_supplied: + existing_req.user_supplied = True + existing_req.extras = tuple( + sorted(set(existing_req.extras) | set(install_req.extras)) + ) + logger.debug( + "Setting %s extras to: %s", + existing_req, + existing_req.extras, + ) + # Return the existing requirement for addition to the parent and + # scanning again. + return [existing_req], existing_req + + def _is_upgrade_allowed(self, req: InstallRequirement) -> bool: + if self.upgrade_strategy == "to-satisfy-only": + return False + elif self.upgrade_strategy == "eager": + return True + else: + assert self.upgrade_strategy == "only-if-needed" + return req.user_supplied or req.constraint + + def _set_req_to_reinstall(self, req: InstallRequirement) -> None: + """ + Set a requirement to be installed. + """ + # Don't uninstall the conflict if doing a user install and the + # conflict is not a user install. + if not self.use_user_site or req.satisfied_by.in_usersite: + req.should_reinstall = True + req.satisfied_by = None + + def _check_skip_installed( + self, req_to_install: InstallRequirement + ) -> Optional[str]: + """Check if req_to_install should be skipped. + + This will check if the req is installed, and whether we should upgrade + or reinstall it, taking into account all the relevant user options. + + After calling this req_to_install will only have satisfied_by set to + None if the req_to_install is to be upgraded/reinstalled etc. Any + other value will be a dist recording the current thing installed that + satisfies the requirement. + + Note that for vcs urls and the like we can't assess skipping in this + routine - we simply identify that we need to pull the thing down, + then later on it is pulled down and introspected to assess upgrade/ + reinstalls etc. + + :return: A text reason for why it was skipped, or None. + """ + if self.ignore_installed: + return None + + req_to_install.check_if_exists(self.use_user_site) + if not req_to_install.satisfied_by: + return None + + if self.force_reinstall: + self._set_req_to_reinstall(req_to_install) + return None + + if not self._is_upgrade_allowed(req_to_install): + if self.upgrade_strategy == "only-if-needed": + return "already satisfied, skipping upgrade" + return "already satisfied" + + # Check for the possibility of an upgrade. For link-based + # requirements we have to pull the tree down and inspect to assess + # the version #, so it's handled way down. + if not req_to_install.link: + try: + self.finder.find_requirement(req_to_install, upgrade=True) + except BestVersionAlreadyInstalled: + # Then the best version is installed. + return "already up-to-date" + except DistributionNotFound: + # No distribution found, so we squash the error. It will + # be raised later when we re-try later to do the install. + # Why don't we just raise here? + pass + + self._set_req_to_reinstall(req_to_install) + return None + + def _find_requirement_link(self, req: InstallRequirement) -> Optional[Link]: + upgrade = self._is_upgrade_allowed(req) + best_candidate = self.finder.find_requirement(req, upgrade) + if not best_candidate: + return None + + # Log a warning per PEP 592 if necessary before returning. + link = best_candidate.link + if link.is_yanked: + reason = link.yanked_reason or "" + msg = ( + # Mark this as a unicode string to prevent + # "UnicodeEncodeError: 'ascii' codec can't encode character" + # in Python 2 when the reason contains non-ascii characters. + "The candidate selected for download or install is a " + "yanked version: {candidate}\n" + "Reason for being yanked: {reason}" + ).format(candidate=best_candidate, reason=reason) + logger.warning(msg) + + return link + + def _populate_link(self, req: InstallRequirement) -> None: + """Ensure that if a link can be found for this, that it is found. + + Note that req.link may still be None - if the requirement is already + installed and not needed to be upgraded based on the return value of + _is_upgrade_allowed(). + + If preparer.require_hashes is True, don't use the wheel cache, because + cached wheels, always built locally, have different hashes than the + files downloaded from the index server and thus throw false hash + mismatches. Furthermore, cached wheels at present have undeterministic + contents due to file modification times. + """ + if req.link is None: + req.link = self._find_requirement_link(req) + + if self.wheel_cache is None or self.preparer.require_hashes: + return + cache_entry = self.wheel_cache.get_cache_entry( + link=req.link, + package_name=req.name, + supported_tags=get_supported(), + ) + if cache_entry is not None: + logger.debug("Using cached wheel link: %s", cache_entry.link) + if req.link is req.original_link and cache_entry.persistent: + req.cached_wheel_source_link = req.link + if cache_entry.origin is not None: + req.download_info = cache_entry.origin + else: + # Legacy cache entry that does not have origin.json. + # download_info may miss the archive_info.hashes field. + req.download_info = direct_url_from_link( + req.link, link_is_in_wheel_cache=cache_entry.persistent + ) + req.link = cache_entry.link + + def _get_dist_for(self, req: InstallRequirement) -> BaseDistribution: + """Takes a InstallRequirement and returns a single AbstractDist \ + representing a prepared variant of the same. + """ + if req.editable: + return self.preparer.prepare_editable_requirement(req) + + # satisfied_by is only evaluated by calling _check_skip_installed, + # so it must be None here. + assert req.satisfied_by is None + skip_reason = self._check_skip_installed(req) + + if req.satisfied_by: + return self.preparer.prepare_installed_requirement(req, skip_reason) + + # We eagerly populate the link, since that's our "legacy" behavior. + self._populate_link(req) + dist = self.preparer.prepare_linked_requirement(req) + + # NOTE + # The following portion is for determining if a certain package is + # going to be re-installed/upgraded or not and reporting to the user. + # This should probably get cleaned up in a future refactor. + + # req.req is only avail after unpack for URL + # pkgs repeat check_if_exists to uninstall-on-upgrade + # (#14) + if not self.ignore_installed: + req.check_if_exists(self.use_user_site) + + if req.satisfied_by: + should_modify = ( + self.upgrade_strategy != "to-satisfy-only" + or self.force_reinstall + or self.ignore_installed + or req.link.scheme == "file" + ) + if should_modify: + self._set_req_to_reinstall(req) + else: + logger.info( + "Requirement already satisfied (use --upgrade to upgrade): %s", + req, + ) + return dist + + def _resolve_one( + self, + requirement_set: RequirementSet, + req_to_install: InstallRequirement, + ) -> List[InstallRequirement]: + """Prepare a single requirements file. + + :return: A list of additional InstallRequirements to also install. + """ + # Tell user what we are doing for this requirement: + # obtain (editable), skipping, processing (local url), collecting + # (remote url or package name) + if req_to_install.constraint or req_to_install.prepared: + return [] + + req_to_install.prepared = True + + # Parse and return dependencies + dist = self._get_dist_for(req_to_install) + # This will raise UnsupportedPythonVersion if the given Python + # version isn't compatible with the distribution's Requires-Python. + _check_dist_requires_python( + dist, + version_info=self._py_version_info, + ignore_requires_python=self.ignore_requires_python, + ) + + more_reqs: List[InstallRequirement] = [] + + def add_req(subreq: Requirement, extras_requested: Iterable[str]) -> None: + # This idiosyncratically converts the Requirement to str and let + # make_install_req then parse it again into Requirement. But this is + # the legacy resolver so I'm just not going to bother refactoring. + sub_install_req = self._make_install_req(str(subreq), req_to_install) + parent_req_name = req_to_install.name + to_scan_again, add_to_parent = self._add_requirement_to_set( + requirement_set, + sub_install_req, + parent_req_name=parent_req_name, + extras_requested=extras_requested, + ) + if parent_req_name and add_to_parent: + self._discovered_dependencies[parent_req_name].append(add_to_parent) + more_reqs.extend(to_scan_again) + + with indent_log(): + # We add req_to_install before its dependencies, so that we + # can refer to it when adding dependencies. + if not requirement_set.has_requirement(req_to_install.name): + # 'unnamed' requirements will get added here + # 'unnamed' requirements can only come from being directly + # provided by the user. + assert req_to_install.user_supplied + self._add_requirement_to_set( + requirement_set, req_to_install, parent_req_name=None + ) + + if not self.ignore_dependencies: + if req_to_install.extras: + logger.debug( + "Installing extra requirements: %r", + ",".join(req_to_install.extras), + ) + missing_requested = sorted( + set(req_to_install.extras) - set(dist.iter_provided_extras()) + ) + for missing in missing_requested: + logger.warning( + "%s %s does not provide the extra '%s'", + dist.raw_name, + dist.version, + missing, + ) + + available_requested = sorted( + set(dist.iter_provided_extras()) & set(req_to_install.extras) + ) + for subreq in dist.iter_dependencies(available_requested): + add_req(subreq, extras_requested=available_requested) + + return more_reqs + + def get_installation_order( + self, req_set: RequirementSet + ) -> List[InstallRequirement]: + """Create the installation order. + + The installation order is topological - requirements are installed + before the requiring thing. We break cycles at an arbitrary point, + and make no other guarantees. + """ + # The current implementation, which we may change at any point + # installs the user specified things in the order given, except when + # dependencies must come earlier to achieve topological order. + order = [] + ordered_reqs: Set[InstallRequirement] = set() + + def schedule(req: InstallRequirement) -> None: + if req.satisfied_by or req in ordered_reqs: + return + if req.constraint: + return + ordered_reqs.add(req) + for dep in self._discovered_dependencies[req.name]: + schedule(dep) + order.append(req) + + for install_req in req_set.requirements.values(): + schedule(install_req) + return order diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/__init__.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py new file mode 100644 index 0000000000000000000000000000000000000000..b206692a0a976d8336e3f5896eadf4765a33fb2c --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/base.py @@ -0,0 +1,141 @@ +from typing import FrozenSet, Iterable, Optional, Tuple, Union + +from pip._vendor.packaging.specifiers import SpecifierSet +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.packaging.version import LegacyVersion, Version + +from pip._internal.models.link import Link, links_equivalent +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.hashes import Hashes + +CandidateLookup = Tuple[Optional["Candidate"], Optional[InstallRequirement]] +CandidateVersion = Union[LegacyVersion, Version] + + +def format_name(project: str, extras: FrozenSet[str]) -> str: + if not extras: + return project + canonical_extras = sorted(canonicalize_name(e) for e in extras) + return "{}[{}]".format(project, ",".join(canonical_extras)) + + +class Constraint: + def __init__( + self, specifier: SpecifierSet, hashes: Hashes, links: FrozenSet[Link] + ) -> None: + self.specifier = specifier + self.hashes = hashes + self.links = links + + @classmethod + def empty(cls) -> "Constraint": + return Constraint(SpecifierSet(), Hashes(), frozenset()) + + @classmethod + def from_ireq(cls, ireq: InstallRequirement) -> "Constraint": + links = frozenset([ireq.link]) if ireq.link else frozenset() + return Constraint(ireq.specifier, ireq.hashes(trust_internet=False), links) + + def __bool__(self) -> bool: + return bool(self.specifier) or bool(self.hashes) or bool(self.links) + + def __and__(self, other: InstallRequirement) -> "Constraint": + if not isinstance(other, InstallRequirement): + return NotImplemented + specifier = self.specifier & other.specifier + hashes = self.hashes & other.hashes(trust_internet=False) + links = self.links + if other.link: + links = links.union([other.link]) + return Constraint(specifier, hashes, links) + + def is_satisfied_by(self, candidate: "Candidate") -> bool: + # Reject if there are any mismatched URL constraints on this package. + if self.links and not all(_match_link(link, candidate) for link in self.links): + return False + # We can safely always allow prereleases here since PackageFinder + # already implements the prerelease logic, and would have filtered out + # prerelease candidates if the user does not expect them. + return self.specifier.contains(candidate.version, prereleases=True) + + +class Requirement: + @property + def project_name(self) -> NormalizedName: + """The "project name" of a requirement. + + This is different from ``name`` if this requirement contains extras, + in which case ``name`` would contain the ``[...]`` part, while this + refers to the name of the project. + """ + raise NotImplementedError("Subclass should override") + + @property + def name(self) -> str: + """The name identifying this requirement in the resolver. + + This is different from ``project_name`` if this requirement contains + extras, where ``project_name`` would not contain the ``[...]`` part. + """ + raise NotImplementedError("Subclass should override") + + def is_satisfied_by(self, candidate: "Candidate") -> bool: + return False + + def get_candidate_lookup(self) -> CandidateLookup: + raise NotImplementedError("Subclass should override") + + def format_for_error(self) -> str: + raise NotImplementedError("Subclass should override") + + +def _match_link(link: Link, candidate: "Candidate") -> bool: + if candidate.source_link: + return links_equivalent(link, candidate.source_link) + return False + + +class Candidate: + @property + def project_name(self) -> NormalizedName: + """The "project name" of the candidate. + + This is different from ``name`` if this candidate contains extras, + in which case ``name`` would contain the ``[...]`` part, while this + refers to the name of the project. + """ + raise NotImplementedError("Override in subclass") + + @property + def name(self) -> str: + """The name identifying this candidate in the resolver. + + This is different from ``project_name`` if this candidate contains + extras, where ``project_name`` would not contain the ``[...]`` part. + """ + raise NotImplementedError("Override in subclass") + + @property + def version(self) -> CandidateVersion: + raise NotImplementedError("Override in subclass") + + @property + def is_installed(self) -> bool: + raise NotImplementedError("Override in subclass") + + @property + def is_editable(self) -> bool: + raise NotImplementedError("Override in subclass") + + @property + def source_link(self) -> Optional[Link]: + raise NotImplementedError("Override in subclass") + + def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: + raise NotImplementedError("Override in subclass") + + def get_install_requirement(self) -> Optional[InstallRequirement]: + raise NotImplementedError("Override in subclass") + + def format_for_error(self) -> str: + raise NotImplementedError("Subclass should override") diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py new file mode 100644 index 0000000000000000000000000000000000000000..de04e1d73f2d86fb3ac094c82b9109ab71a0f917 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/candidates.py @@ -0,0 +1,555 @@ +import logging +import sys +from typing import TYPE_CHECKING, Any, FrozenSet, Iterable, Optional, Tuple, Union, cast + +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.packaging.version import Version + +from pip._internal.exceptions import ( + HashError, + InstallationSubprocessError, + MetadataInconsistent, +) +from pip._internal.metadata import BaseDistribution +from pip._internal.models.link import Link, links_equivalent +from pip._internal.models.wheel import Wheel +from pip._internal.req.constructors import ( + install_req_from_editable, + install_req_from_line, +) +from pip._internal.req.req_install import InstallRequirement +from pip._internal.utils.direct_url_helpers import direct_url_from_link +from pip._internal.utils.misc import normalize_version_info + +from .base import Candidate, CandidateVersion, Requirement, format_name + +if TYPE_CHECKING: + from .factory import Factory + +logger = logging.getLogger(__name__) + +BaseCandidate = Union[ + "AlreadyInstalledCandidate", + "EditableCandidate", + "LinkCandidate", +] + +# Avoid conflicting with the PyPI package "Python". +REQUIRES_PYTHON_IDENTIFIER = cast(NormalizedName, "") + + +def as_base_candidate(candidate: Candidate) -> Optional[BaseCandidate]: + """The runtime version of BaseCandidate.""" + base_candidate_classes = ( + AlreadyInstalledCandidate, + EditableCandidate, + LinkCandidate, + ) + if isinstance(candidate, base_candidate_classes): + return candidate + return None + + +def make_install_req_from_link( + link: Link, template: InstallRequirement +) -> InstallRequirement: + assert not template.editable, "template is editable" + if template.req: + line = str(template.req) + else: + line = link.url + ireq = install_req_from_line( + line, + user_supplied=template.user_supplied, + comes_from=template.comes_from, + use_pep517=template.use_pep517, + isolated=template.isolated, + constraint=template.constraint, + global_options=template.global_options, + hash_options=template.hash_options, + config_settings=template.config_settings, + ) + ireq.original_link = template.original_link + ireq.link = link + ireq.extras = template.extras + return ireq + + +def make_install_req_from_editable( + link: Link, template: InstallRequirement +) -> InstallRequirement: + assert template.editable, "template not editable" + ireq = install_req_from_editable( + link.url, + user_supplied=template.user_supplied, + comes_from=template.comes_from, + use_pep517=template.use_pep517, + isolated=template.isolated, + constraint=template.constraint, + permit_editable_wheels=template.permit_editable_wheels, + global_options=template.global_options, + hash_options=template.hash_options, + config_settings=template.config_settings, + ) + ireq.extras = template.extras + return ireq + + +def _make_install_req_from_dist( + dist: BaseDistribution, template: InstallRequirement +) -> InstallRequirement: + if template.req: + line = str(template.req) + elif template.link: + line = f"{dist.canonical_name} @ {template.link.url}" + else: + line = f"{dist.canonical_name}=={dist.version}" + ireq = install_req_from_line( + line, + user_supplied=template.user_supplied, + comes_from=template.comes_from, + use_pep517=template.use_pep517, + isolated=template.isolated, + constraint=template.constraint, + global_options=template.global_options, + hash_options=template.hash_options, + config_settings=template.config_settings, + ) + ireq.satisfied_by = dist + return ireq + + +class _InstallRequirementBackedCandidate(Candidate): + """A candidate backed by an ``InstallRequirement``. + + This represents a package request with the target not being already + in the environment, and needs to be fetched and installed. The backing + ``InstallRequirement`` is responsible for most of the leg work; this + class exposes appropriate information to the resolver. + + :param link: The link passed to the ``InstallRequirement``. The backing + ``InstallRequirement`` will use this link to fetch the distribution. + :param source_link: The link this candidate "originates" from. This is + different from ``link`` when the link is found in the wheel cache. + ``link`` would point to the wheel cache, while this points to the + found remote link (e.g. from pypi.org). + """ + + dist: BaseDistribution + is_installed = False + + def __init__( + self, + link: Link, + source_link: Link, + ireq: InstallRequirement, + factory: "Factory", + name: Optional[NormalizedName] = None, + version: Optional[CandidateVersion] = None, + ) -> None: + self._link = link + self._source_link = source_link + self._factory = factory + self._ireq = ireq + self._name = name + self._version = version + self.dist = self._prepare() + + def __str__(self) -> str: + return f"{self.name} {self.version}" + + def __repr__(self) -> str: + return "{class_name}({link!r})".format( + class_name=self.__class__.__name__, + link=str(self._link), + ) + + def __hash__(self) -> int: + return hash((self.__class__, self._link)) + + def __eq__(self, other: Any) -> bool: + if isinstance(other, self.__class__): + return links_equivalent(self._link, other._link) + return False + + @property + def source_link(self) -> Optional[Link]: + return self._source_link + + @property + def project_name(self) -> NormalizedName: + """The normalised name of the project the candidate refers to""" + if self._name is None: + self._name = self.dist.canonical_name + return self._name + + @property + def name(self) -> str: + return self.project_name + + @property + def version(self) -> CandidateVersion: + if self._version is None: + self._version = self.dist.version + return self._version + + def format_for_error(self) -> str: + return "{} {} (from {})".format( + self.name, + self.version, + self._link.file_path if self._link.is_file else self._link, + ) + + def _prepare_distribution(self) -> BaseDistribution: + raise NotImplementedError("Override in subclass") + + def _check_metadata_consistency(self, dist: BaseDistribution) -> None: + """Check for consistency of project name and version of dist.""" + if self._name is not None and self._name != dist.canonical_name: + raise MetadataInconsistent( + self._ireq, + "name", + self._name, + dist.canonical_name, + ) + if self._version is not None and self._version != dist.version: + raise MetadataInconsistent( + self._ireq, + "version", + str(self._version), + str(dist.version), + ) + + def _prepare(self) -> BaseDistribution: + try: + dist = self._prepare_distribution() + except HashError as e: + # Provide HashError the underlying ireq that caused it. This + # provides context for the resulting error message to show the + # offending line to the user. + e.req = self._ireq + raise + except InstallationSubprocessError as exc: + # The output has been presented already, so don't duplicate it. + exc.context = "See above for output." + raise + + self._check_metadata_consistency(dist) + return dist + + def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: + requires = self.dist.iter_dependencies() if with_requires else () + for r in requires: + yield self._factory.make_requirement_from_spec(str(r), self._ireq) + yield self._factory.make_requires_python_requirement(self.dist.requires_python) + + def get_install_requirement(self) -> Optional[InstallRequirement]: + return self._ireq + + +class LinkCandidate(_InstallRequirementBackedCandidate): + is_editable = False + + def __init__( + self, + link: Link, + template: InstallRequirement, + factory: "Factory", + name: Optional[NormalizedName] = None, + version: Optional[CandidateVersion] = None, + ) -> None: + source_link = link + cache_entry = factory.get_wheel_cache_entry(source_link, name) + if cache_entry is not None: + logger.debug("Using cached wheel link: %s", cache_entry.link) + link = cache_entry.link + ireq = make_install_req_from_link(link, template) + assert ireq.link == link + if ireq.link.is_wheel and not ireq.link.is_file: + wheel = Wheel(ireq.link.filename) + wheel_name = canonicalize_name(wheel.name) + assert name == wheel_name, f"{name!r} != {wheel_name!r} for wheel" + # Version may not be present for PEP 508 direct URLs + if version is not None: + wheel_version = Version(wheel.version) + assert version == wheel_version, "{!r} != {!r} for wheel {}".format( + version, wheel_version, name + ) + + if cache_entry is not None: + assert ireq.link.is_wheel + assert ireq.link.is_file + if cache_entry.persistent and template.link is template.original_link: + ireq.cached_wheel_source_link = source_link + if cache_entry.origin is not None: + ireq.download_info = cache_entry.origin + else: + # Legacy cache entry that does not have origin.json. + # download_info may miss the archive_info.hashes field. + ireq.download_info = direct_url_from_link( + source_link, link_is_in_wheel_cache=cache_entry.persistent + ) + + super().__init__( + link=link, + source_link=source_link, + ireq=ireq, + factory=factory, + name=name, + version=version, + ) + + def _prepare_distribution(self) -> BaseDistribution: + preparer = self._factory.preparer + return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) + + +class EditableCandidate(_InstallRequirementBackedCandidate): + is_editable = True + + def __init__( + self, + link: Link, + template: InstallRequirement, + factory: "Factory", + name: Optional[NormalizedName] = None, + version: Optional[CandidateVersion] = None, + ) -> None: + super().__init__( + link=link, + source_link=link, + ireq=make_install_req_from_editable(link, template), + factory=factory, + name=name, + version=version, + ) + + def _prepare_distribution(self) -> BaseDistribution: + return self._factory.preparer.prepare_editable_requirement(self._ireq) + + +class AlreadyInstalledCandidate(Candidate): + is_installed = True + source_link = None + + def __init__( + self, + dist: BaseDistribution, + template: InstallRequirement, + factory: "Factory", + ) -> None: + self.dist = dist + self._ireq = _make_install_req_from_dist(dist, template) + self._factory = factory + self._version = None + + # This is just logging some messages, so we can do it eagerly. + # The returned dist would be exactly the same as self.dist because we + # set satisfied_by in _make_install_req_from_dist. + # TODO: Supply reason based on force_reinstall and upgrade_strategy. + skip_reason = "already satisfied" + factory.preparer.prepare_installed_requirement(self._ireq, skip_reason) + + def __str__(self) -> str: + return str(self.dist) + + def __repr__(self) -> str: + return "{class_name}({distribution!r})".format( + class_name=self.__class__.__name__, + distribution=self.dist, + ) + + def __hash__(self) -> int: + return hash((self.__class__, self.name, self.version)) + + def __eq__(self, other: Any) -> bool: + if isinstance(other, self.__class__): + return self.name == other.name and self.version == other.version + return False + + @property + def project_name(self) -> NormalizedName: + return self.dist.canonical_name + + @property + def name(self) -> str: + return self.project_name + + @property + def version(self) -> CandidateVersion: + if self._version is None: + self._version = self.dist.version + return self._version + + @property + def is_editable(self) -> bool: + return self.dist.editable + + def format_for_error(self) -> str: + return f"{self.name} {self.version} (Installed)" + + def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: + if not with_requires: + return + for r in self.dist.iter_dependencies(): + yield self._factory.make_requirement_from_spec(str(r), self._ireq) + + def get_install_requirement(self) -> Optional[InstallRequirement]: + return None + + +class ExtrasCandidate(Candidate): + """A candidate that has 'extras', indicating additional dependencies. + + Requirements can be for a project with dependencies, something like + foo[extra]. The extras don't affect the project/version being installed + directly, but indicate that we need additional dependencies. We model that + by having an artificial ExtrasCandidate that wraps the "base" candidate. + + The ExtrasCandidate differs from the base in the following ways: + + 1. It has a unique name, of the form foo[extra]. This causes the resolver + to treat it as a separate node in the dependency graph. + 2. When we're getting the candidate's dependencies, + a) We specify that we want the extra dependencies as well. + b) We add a dependency on the base candidate. + See below for why this is needed. + 3. We return None for the underlying InstallRequirement, as the base + candidate will provide it, and we don't want to end up with duplicates. + + The dependency on the base candidate is needed so that the resolver can't + decide that it should recommend foo[extra1] version 1.0 and foo[extra2] + version 2.0. Having those candidates depend on foo=1.0 and foo=2.0 + respectively forces the resolver to recognise that this is a conflict. + """ + + def __init__( + self, + base: BaseCandidate, + extras: FrozenSet[str], + ) -> None: + self.base = base + self.extras = extras + + def __str__(self) -> str: + name, rest = str(self.base).split(" ", 1) + return "{}[{}] {}".format(name, ",".join(self.extras), rest) + + def __repr__(self) -> str: + return "{class_name}(base={base!r}, extras={extras!r})".format( + class_name=self.__class__.__name__, + base=self.base, + extras=self.extras, + ) + + def __hash__(self) -> int: + return hash((self.base, self.extras)) + + def __eq__(self, other: Any) -> bool: + if isinstance(other, self.__class__): + return self.base == other.base and self.extras == other.extras + return False + + @property + def project_name(self) -> NormalizedName: + return self.base.project_name + + @property + def name(self) -> str: + """The normalised name of the project the candidate refers to""" + return format_name(self.base.project_name, self.extras) + + @property + def version(self) -> CandidateVersion: + return self.base.version + + def format_for_error(self) -> str: + return "{} [{}]".format( + self.base.format_for_error(), ", ".join(sorted(self.extras)) + ) + + @property + def is_installed(self) -> bool: + return self.base.is_installed + + @property + def is_editable(self) -> bool: + return self.base.is_editable + + @property + def source_link(self) -> Optional[Link]: + return self.base.source_link + + def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: + factory = self.base._factory + + # Add a dependency on the exact base + # (See note 2b in the class docstring) + yield factory.make_requirement_from_candidate(self.base) + if not with_requires: + return + + # The user may have specified extras that the candidate doesn't + # support. We ignore any unsupported extras here. + valid_extras = self.extras.intersection(self.base.dist.iter_provided_extras()) + invalid_extras = self.extras.difference(self.base.dist.iter_provided_extras()) + for extra in sorted(invalid_extras): + logger.warning( + "%s %s does not provide the extra '%s'", + self.base.name, + self.version, + extra, + ) + + for r in self.base.dist.iter_dependencies(valid_extras): + requirement = factory.make_requirement_from_spec( + str(r), self.base._ireq, valid_extras + ) + if requirement: + yield requirement + + def get_install_requirement(self) -> Optional[InstallRequirement]: + # We don't return anything here, because we always + # depend on the base candidate, and we'll get the + # install requirement from that. + return None + + +class RequiresPythonCandidate(Candidate): + is_installed = False + source_link = None + + def __init__(self, py_version_info: Optional[Tuple[int, ...]]) -> None: + if py_version_info is not None: + version_info = normalize_version_info(py_version_info) + else: + version_info = sys.version_info[:3] + self._version = Version(".".join(str(c) for c in version_info)) + + # We don't need to implement __eq__() and __ne__() since there is always + # only one RequiresPythonCandidate in a resolution, i.e. the host Python. + # The built-in object.__eq__() and object.__ne__() do exactly what we want. + + def __str__(self) -> str: + return f"Python {self._version}" + + @property + def project_name(self) -> NormalizedName: + return REQUIRES_PYTHON_IDENTIFIER + + @property + def name(self) -> str: + return REQUIRES_PYTHON_IDENTIFIER + + @property + def version(self) -> CandidateVersion: + return self._version + + def format_for_error(self) -> str: + return f"Python {self.version}" + + def iter_dependencies(self, with_requires: bool) -> Iterable[Optional[Requirement]]: + return () + + def get_install_requirement(self) -> Optional[InstallRequirement]: + return None diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py new file mode 100644 index 0000000000000000000000000000000000000000..0331297b85b89c3387c3868d6254f420ed6a0381 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/factory.py @@ -0,0 +1,730 @@ +import contextlib +import functools +import logging +from typing import ( + TYPE_CHECKING, + Dict, + FrozenSet, + Iterable, + Iterator, + List, + Mapping, + NamedTuple, + Optional, + Sequence, + Set, + Tuple, + TypeVar, + cast, +) + +from pip._vendor.packaging.requirements import InvalidRequirement +from pip._vendor.packaging.specifiers import SpecifierSet +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name +from pip._vendor.resolvelib import ResolutionImpossible + +from pip._internal.cache import CacheEntry, WheelCache +from pip._internal.exceptions import ( + DistributionNotFound, + InstallationError, + MetadataInconsistent, + UnsupportedPythonVersion, + UnsupportedWheel, +) +from pip._internal.index.package_finder import PackageFinder +from pip._internal.metadata import BaseDistribution, get_default_environment +from pip._internal.models.link import Link +from pip._internal.models.wheel import Wheel +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req.constructors import install_req_from_link_and_ireq +from pip._internal.req.req_install import ( + InstallRequirement, + check_invalid_constraint_type, +) +from pip._internal.resolution.base import InstallRequirementProvider +from pip._internal.utils.compatibility_tags import get_supported +from pip._internal.utils.hashes import Hashes +from pip._internal.utils.packaging import get_requirement +from pip._internal.utils.virtualenv import running_under_virtualenv + +from .base import Candidate, CandidateVersion, Constraint, Requirement +from .candidates import ( + AlreadyInstalledCandidate, + BaseCandidate, + EditableCandidate, + ExtrasCandidate, + LinkCandidate, + RequiresPythonCandidate, + as_base_candidate, +) +from .found_candidates import FoundCandidates, IndexCandidateInfo +from .requirements import ( + ExplicitRequirement, + RequiresPythonRequirement, + SpecifierRequirement, + UnsatisfiableRequirement, +) + +if TYPE_CHECKING: + from typing import Protocol + + class ConflictCause(Protocol): + requirement: RequiresPythonRequirement + parent: Candidate + + +logger = logging.getLogger(__name__) + +C = TypeVar("C") +Cache = Dict[Link, C] + + +class CollectedRootRequirements(NamedTuple): + requirements: List[Requirement] + constraints: Dict[str, Constraint] + user_requested: Dict[str, int] + + +class Factory: + def __init__( + self, + finder: PackageFinder, + preparer: RequirementPreparer, + make_install_req: InstallRequirementProvider, + wheel_cache: Optional[WheelCache], + use_user_site: bool, + force_reinstall: bool, + ignore_installed: bool, + ignore_requires_python: bool, + py_version_info: Optional[Tuple[int, ...]] = None, + ) -> None: + self._finder = finder + self.preparer = preparer + self._wheel_cache = wheel_cache + self._python_candidate = RequiresPythonCandidate(py_version_info) + self._make_install_req_from_spec = make_install_req + self._use_user_site = use_user_site + self._force_reinstall = force_reinstall + self._ignore_requires_python = ignore_requires_python + + self._build_failures: Cache[InstallationError] = {} + self._link_candidate_cache: Cache[LinkCandidate] = {} + self._editable_candidate_cache: Cache[EditableCandidate] = {} + self._installed_candidate_cache: Dict[str, AlreadyInstalledCandidate] = {} + self._extras_candidate_cache: Dict[ + Tuple[int, FrozenSet[str]], ExtrasCandidate + ] = {} + + if not ignore_installed: + env = get_default_environment() + self._installed_dists = { + dist.canonical_name: dist + for dist in env.iter_installed_distributions(local_only=False) + } + else: + self._installed_dists = {} + + @property + def force_reinstall(self) -> bool: + return self._force_reinstall + + def _fail_if_link_is_unsupported_wheel(self, link: Link) -> None: + if not link.is_wheel: + return + wheel = Wheel(link.filename) + if wheel.supported(self._finder.target_python.get_tags()): + return + msg = f"{link.filename} is not a supported wheel on this platform." + raise UnsupportedWheel(msg) + + def _make_extras_candidate( + self, base: BaseCandidate, extras: FrozenSet[str] + ) -> ExtrasCandidate: + cache_key = (id(base), extras) + try: + candidate = self._extras_candidate_cache[cache_key] + except KeyError: + candidate = ExtrasCandidate(base, extras) + self._extras_candidate_cache[cache_key] = candidate + return candidate + + def _make_candidate_from_dist( + self, + dist: BaseDistribution, + extras: FrozenSet[str], + template: InstallRequirement, + ) -> Candidate: + try: + base = self._installed_candidate_cache[dist.canonical_name] + except KeyError: + base = AlreadyInstalledCandidate(dist, template, factory=self) + self._installed_candidate_cache[dist.canonical_name] = base + if not extras: + return base + return self._make_extras_candidate(base, extras) + + def _make_candidate_from_link( + self, + link: Link, + extras: FrozenSet[str], + template: InstallRequirement, + name: Optional[NormalizedName], + version: Optional[CandidateVersion], + ) -> Optional[Candidate]: + # TODO: Check already installed candidate, and use it if the link and + # editable flag match. + + if link in self._build_failures: + # We already tried this candidate before, and it does not build. + # Don't bother trying again. + return None + + if template.editable: + if link not in self._editable_candidate_cache: + try: + self._editable_candidate_cache[link] = EditableCandidate( + link, + template, + factory=self, + name=name, + version=version, + ) + except MetadataInconsistent as e: + logger.info( + "Discarding [blue underline]%s[/]: [yellow]%s[reset]", + link, + e, + extra={"markup": True}, + ) + self._build_failures[link] = e + return None + + base: BaseCandidate = self._editable_candidate_cache[link] + else: + if link not in self._link_candidate_cache: + try: + self._link_candidate_cache[link] = LinkCandidate( + link, + template, + factory=self, + name=name, + version=version, + ) + except MetadataInconsistent as e: + logger.info( + "Discarding [blue underline]%s[/]: [yellow]%s[reset]", + link, + e, + extra={"markup": True}, + ) + self._build_failures[link] = e + return None + base = self._link_candidate_cache[link] + + if not extras: + return base + return self._make_extras_candidate(base, extras) + + def _iter_found_candidates( + self, + ireqs: Sequence[InstallRequirement], + specifier: SpecifierSet, + hashes: Hashes, + prefers_installed: bool, + incompatible_ids: Set[int], + ) -> Iterable[Candidate]: + if not ireqs: + return () + + # The InstallRequirement implementation requires us to give it a + # "template". Here we just choose the first requirement to represent + # all of them. + # Hopefully the Project model can correct this mismatch in the future. + template = ireqs[0] + assert template.req, "Candidates found on index must be PEP 508" + name = canonicalize_name(template.req.name) + + extras: FrozenSet[str] = frozenset() + for ireq in ireqs: + assert ireq.req, "Candidates found on index must be PEP 508" + specifier &= ireq.req.specifier + hashes &= ireq.hashes(trust_internet=False) + extras |= frozenset(ireq.extras) + + def _get_installed_candidate() -> Optional[Candidate]: + """Get the candidate for the currently-installed version.""" + # If --force-reinstall is set, we want the version from the index + # instead, so we "pretend" there is nothing installed. + if self._force_reinstall: + return None + try: + installed_dist = self._installed_dists[name] + except KeyError: + return None + # Don't use the installed distribution if its version does not fit + # the current dependency graph. + if not specifier.contains(installed_dist.version, prereleases=True): + return None + candidate = self._make_candidate_from_dist( + dist=installed_dist, + extras=extras, + template=template, + ) + # The candidate is a known incompatibility. Don't use it. + if id(candidate) in incompatible_ids: + return None + return candidate + + def iter_index_candidate_infos() -> Iterator[IndexCandidateInfo]: + result = self._finder.find_best_candidate( + project_name=name, + specifier=specifier, + hashes=hashes, + ) + icans = list(result.iter_applicable()) + + # PEP 592: Yanked releases are ignored unless the specifier + # explicitly pins a version (via '==' or '===') that can be + # solely satisfied by a yanked release. + all_yanked = all(ican.link.is_yanked for ican in icans) + + def is_pinned(specifier: SpecifierSet) -> bool: + for sp in specifier: + if sp.operator == "===": + return True + if sp.operator != "==": + continue + if sp.version.endswith(".*"): + continue + return True + return False + + pinned = is_pinned(specifier) + + # PackageFinder returns earlier versions first, so we reverse. + for ican in reversed(icans): + if not (all_yanked and pinned) and ican.link.is_yanked: + continue + func = functools.partial( + self._make_candidate_from_link, + link=ican.link, + extras=extras, + template=template, + name=name, + version=ican.version, + ) + yield ican.version, func + + return FoundCandidates( + iter_index_candidate_infos, + _get_installed_candidate(), + prefers_installed, + incompatible_ids, + ) + + def _iter_explicit_candidates_from_base( + self, + base_requirements: Iterable[Requirement], + extras: FrozenSet[str], + ) -> Iterator[Candidate]: + """Produce explicit candidates from the base given an extra-ed package. + + :param base_requirements: Requirements known to the resolver. The + requirements are guaranteed to not have extras. + :param extras: The extras to inject into the explicit requirements' + candidates. + """ + for req in base_requirements: + lookup_cand, _ = req.get_candidate_lookup() + if lookup_cand is None: # Not explicit. + continue + # We've stripped extras from the identifier, and should always + # get a BaseCandidate here, unless there's a bug elsewhere. + base_cand = as_base_candidate(lookup_cand) + assert base_cand is not None, "no extras here" + yield self._make_extras_candidate(base_cand, extras) + + def _iter_candidates_from_constraints( + self, + identifier: str, + constraint: Constraint, + template: InstallRequirement, + ) -> Iterator[Candidate]: + """Produce explicit candidates from constraints. + + This creates "fake" InstallRequirement objects that are basically clones + of what "should" be the template, but with original_link set to link. + """ + for link in constraint.links: + self._fail_if_link_is_unsupported_wheel(link) + candidate = self._make_candidate_from_link( + link, + extras=frozenset(), + template=install_req_from_link_and_ireq(link, template), + name=canonicalize_name(identifier), + version=None, + ) + if candidate: + yield candidate + + def find_candidates( + self, + identifier: str, + requirements: Mapping[str, Iterable[Requirement]], + incompatibilities: Mapping[str, Iterator[Candidate]], + constraint: Constraint, + prefers_installed: bool, + ) -> Iterable[Candidate]: + # Collect basic lookup information from the requirements. + explicit_candidates: Set[Candidate] = set() + ireqs: List[InstallRequirement] = [] + for req in requirements[identifier]: + cand, ireq = req.get_candidate_lookup() + if cand is not None: + explicit_candidates.add(cand) + if ireq is not None: + ireqs.append(ireq) + + # If the current identifier contains extras, add explicit candidates + # from entries from extra-less identifier. + with contextlib.suppress(InvalidRequirement): + parsed_requirement = get_requirement(identifier) + explicit_candidates.update( + self._iter_explicit_candidates_from_base( + requirements.get(parsed_requirement.name, ()), + frozenset(parsed_requirement.extras), + ), + ) + + # Add explicit candidates from constraints. We only do this if there are + # known ireqs, which represent requirements not already explicit. If + # there are no ireqs, we're constraining already-explicit requirements, + # which is handled later when we return the explicit candidates. + if ireqs: + try: + explicit_candidates.update( + self._iter_candidates_from_constraints( + identifier, + constraint, + template=ireqs[0], + ), + ) + except UnsupportedWheel: + # If we're constrained to install a wheel incompatible with the + # target architecture, no candidates will ever be valid. + return () + + # Since we cache all the candidates, incompatibility identification + # can be made quicker by comparing only the id() values. + incompat_ids = {id(c) for c in incompatibilities.get(identifier, ())} + + # If none of the requirements want an explicit candidate, we can ask + # the finder for candidates. + if not explicit_candidates: + return self._iter_found_candidates( + ireqs, + constraint.specifier, + constraint.hashes, + prefers_installed, + incompat_ids, + ) + + return ( + c + for c in explicit_candidates + if id(c) not in incompat_ids + and constraint.is_satisfied_by(c) + and all(req.is_satisfied_by(c) for req in requirements[identifier]) + ) + + def _make_requirement_from_install_req( + self, ireq: InstallRequirement, requested_extras: Iterable[str] + ) -> Optional[Requirement]: + if not ireq.match_markers(requested_extras): + logger.info( + "Ignoring %s: markers '%s' don't match your environment", + ireq.name, + ireq.markers, + ) + return None + if not ireq.link: + return SpecifierRequirement(ireq) + self._fail_if_link_is_unsupported_wheel(ireq.link) + cand = self._make_candidate_from_link( + ireq.link, + extras=frozenset(ireq.extras), + template=ireq, + name=canonicalize_name(ireq.name) if ireq.name else None, + version=None, + ) + if cand is None: + # There's no way we can satisfy a URL requirement if the underlying + # candidate fails to build. An unnamed URL must be user-supplied, so + # we fail eagerly. If the URL is named, an unsatisfiable requirement + # can make the resolver do the right thing, either backtrack (and + # maybe find some other requirement that's buildable) or raise a + # ResolutionImpossible eventually. + if not ireq.name: + raise self._build_failures[ireq.link] + return UnsatisfiableRequirement(canonicalize_name(ireq.name)) + return self.make_requirement_from_candidate(cand) + + def collect_root_requirements( + self, root_ireqs: List[InstallRequirement] + ) -> CollectedRootRequirements: + collected = CollectedRootRequirements([], {}, {}) + for i, ireq in enumerate(root_ireqs): + if ireq.constraint: + # Ensure we only accept valid constraints + problem = check_invalid_constraint_type(ireq) + if problem: + raise InstallationError(problem) + if not ireq.match_markers(): + continue + assert ireq.name, "Constraint must be named" + name = canonicalize_name(ireq.name) + if name in collected.constraints: + collected.constraints[name] &= ireq + else: + collected.constraints[name] = Constraint.from_ireq(ireq) + else: + req = self._make_requirement_from_install_req( + ireq, + requested_extras=(), + ) + if req is None: + continue + if ireq.user_supplied and req.name not in collected.user_requested: + collected.user_requested[req.name] = i + collected.requirements.append(req) + return collected + + def make_requirement_from_candidate( + self, candidate: Candidate + ) -> ExplicitRequirement: + return ExplicitRequirement(candidate) + + def make_requirement_from_spec( + self, + specifier: str, + comes_from: Optional[InstallRequirement], + requested_extras: Iterable[str] = (), + ) -> Optional[Requirement]: + ireq = self._make_install_req_from_spec(specifier, comes_from) + return self._make_requirement_from_install_req(ireq, requested_extras) + + def make_requires_python_requirement( + self, + specifier: SpecifierSet, + ) -> Optional[Requirement]: + if self._ignore_requires_python: + return None + # Don't bother creating a dependency for an empty Requires-Python. + if not str(specifier): + return None + return RequiresPythonRequirement(specifier, self._python_candidate) + + def get_wheel_cache_entry( + self, link: Link, name: Optional[str] + ) -> Optional[CacheEntry]: + """Look up the link in the wheel cache. + + If ``preparer.require_hashes`` is True, don't use the wheel cache, + because cached wheels, always built locally, have different hashes + than the files downloaded from the index server and thus throw false + hash mismatches. Furthermore, cached wheels at present have + nondeterministic contents due to file modification times. + """ + if self._wheel_cache is None: + return None + return self._wheel_cache.get_cache_entry( + link=link, + package_name=name, + supported_tags=get_supported(), + ) + + def get_dist_to_uninstall(self, candidate: Candidate) -> Optional[BaseDistribution]: + # TODO: Are there more cases this needs to return True? Editable? + dist = self._installed_dists.get(candidate.project_name) + if dist is None: # Not installed, no uninstallation required. + return None + + # We're installing into global site. The current installation must + # be uninstalled, no matter it's in global or user site, because the + # user site installation has precedence over global. + if not self._use_user_site: + return dist + + # We're installing into user site. Remove the user site installation. + if dist.in_usersite: + return dist + + # We're installing into user site, but the installed incompatible + # package is in global site. We can't uninstall that, and would let + # the new user installation to "shadow" it. But shadowing won't work + # in virtual environments, so we error out. + if running_under_virtualenv() and dist.in_site_packages: + message = ( + f"Will not install to the user site because it will lack " + f"sys.path precedence to {dist.raw_name} in {dist.location}" + ) + raise InstallationError(message) + return None + + def _report_requires_python_error( + self, causes: Sequence["ConflictCause"] + ) -> UnsupportedPythonVersion: + assert causes, "Requires-Python error reported with no cause" + + version = self._python_candidate.version + + if len(causes) == 1: + specifier = str(causes[0].requirement.specifier) + message = ( + f"Package {causes[0].parent.name!r} requires a different " + f"Python: {version} not in {specifier!r}" + ) + return UnsupportedPythonVersion(message) + + message = f"Packages require a different Python. {version} not in:" + for cause in causes: + package = cause.parent.format_for_error() + specifier = str(cause.requirement.specifier) + message += f"\n{specifier!r} (required by {package})" + return UnsupportedPythonVersion(message) + + def _report_single_requirement_conflict( + self, req: Requirement, parent: Optional[Candidate] + ) -> DistributionNotFound: + if parent is None: + req_disp = str(req) + else: + req_disp = f"{req} (from {parent.name})" + + cands = self._finder.find_all_candidates(req.project_name) + skipped_by_requires_python = self._finder.requires_python_skipped_reasons() + versions = [str(v) for v in sorted({c.version for c in cands})] + + if skipped_by_requires_python: + logger.critical( + "Ignored the following versions that require a different python " + "version: %s", + "; ".join(skipped_by_requires_python) or "none", + ) + logger.critical( + "Could not find a version that satisfies the requirement %s " + "(from versions: %s)", + req_disp, + ", ".join(versions) or "none", + ) + if str(req) == "requirements.txt": + logger.info( + "HINT: You are attempting to install a package literally " + 'named "requirements.txt" (which cannot exist). Consider ' + "using the '-r' flag to install the packages listed in " + "requirements.txt" + ) + + return DistributionNotFound(f"No matching distribution found for {req}") + + def get_installation_error( + self, + e: "ResolutionImpossible[Requirement, Candidate]", + constraints: Dict[str, Constraint], + ) -> InstallationError: + assert e.causes, "Installation error reported with no cause" + + # If one of the things we can't solve is "we need Python X.Y", + # that is what we report. + requires_python_causes = [ + cause + for cause in e.causes + if isinstance(cause.requirement, RequiresPythonRequirement) + and not cause.requirement.is_satisfied_by(self._python_candidate) + ] + if requires_python_causes: + # The comprehension above makes sure all Requirement instances are + # RequiresPythonRequirement, so let's cast for convenience. + return self._report_requires_python_error( + cast("Sequence[ConflictCause]", requires_python_causes), + ) + + # Otherwise, we have a set of causes which can't all be satisfied + # at once. + + # The simplest case is when we have *one* cause that can't be + # satisfied. We just report that case. + if len(e.causes) == 1: + req, parent = e.causes[0] + if req.name not in constraints: + return self._report_single_requirement_conflict(req, parent) + + # OK, we now have a list of requirements that can't all be + # satisfied at once. + + # A couple of formatting helpers + def text_join(parts: List[str]) -> str: + if len(parts) == 1: + return parts[0] + + return ", ".join(parts[:-1]) + " and " + parts[-1] + + def describe_trigger(parent: Candidate) -> str: + ireq = parent.get_install_requirement() + if not ireq or not ireq.comes_from: + return f"{parent.name}=={parent.version}" + if isinstance(ireq.comes_from, InstallRequirement): + return str(ireq.comes_from.name) + return str(ireq.comes_from) + + triggers = set() + for req, parent in e.causes: + if parent is None: + # This is a root requirement, so we can report it directly + trigger = req.format_for_error() + else: + trigger = describe_trigger(parent) + triggers.add(trigger) + + if triggers: + info = text_join(sorted(triggers)) + else: + info = "the requested packages" + + msg = ( + "Cannot install {} because these package versions " + "have conflicting dependencies.".format(info) + ) + logger.critical(msg) + msg = "\nThe conflict is caused by:" + + relevant_constraints = set() + for req, parent in e.causes: + if req.name in constraints: + relevant_constraints.add(req.name) + msg = msg + "\n " + if parent: + msg = msg + f"{parent.name} {parent.version} depends on " + else: + msg = msg + "The user requested " + msg = msg + req.format_for_error() + for key in relevant_constraints: + spec = constraints[key].specifier + msg += f"\n The user requested (constraint) {key}{spec}" + + msg = ( + msg + + "\n\n" + + "To fix this you could try to:\n" + + "1. loosen the range of package versions you've specified\n" + + "2. remove package versions to allow pip attempt to solve " + + "the dependency conflict\n" + ) + + logger.info(msg) + + return DistributionNotFound( + "ResolutionImpossible: for help visit " + "https://pip.pypa.io/en/latest/topics/dependency-resolution/" + "#dealing-with-dependency-conflicts" + ) diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py new file mode 100644 index 0000000000000000000000000000000000000000..8663097b447cdd80c52e2b2abde33a4736ddb9c2 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py @@ -0,0 +1,155 @@ +"""Utilities to lazily create and visit candidates found. + +Creating and visiting a candidate is a *very* costly operation. It involves +fetching, extracting, potentially building modules from source, and verifying +distribution metadata. It is therefore crucial for performance to keep +everything here lazy all the way down, so we only touch candidates that we +absolutely need, and not "download the world" when we only need one version of +something. +""" + +import functools +from collections.abc import Sequence +from typing import TYPE_CHECKING, Any, Callable, Iterator, Optional, Set, Tuple + +from pip._vendor.packaging.version import _BaseVersion + +from .base import Candidate + +IndexCandidateInfo = Tuple[_BaseVersion, Callable[[], Optional[Candidate]]] + +if TYPE_CHECKING: + SequenceCandidate = Sequence[Candidate] +else: + # For compatibility: Python before 3.9 does not support using [] on the + # Sequence class. + # + # >>> from collections.abc import Sequence + # >>> Sequence[str] + # Traceback (most recent call last): + # File "", line 1, in + # TypeError: 'ABCMeta' object is not subscriptable + # + # TODO: Remove this block after dropping Python 3.8 support. + SequenceCandidate = Sequence + + +def _iter_built(infos: Iterator[IndexCandidateInfo]) -> Iterator[Candidate]: + """Iterator for ``FoundCandidates``. + + This iterator is used when the package is not already installed. Candidates + from index come later in their normal ordering. + """ + versions_found: Set[_BaseVersion] = set() + for version, func in infos: + if version in versions_found: + continue + candidate = func() + if candidate is None: + continue + yield candidate + versions_found.add(version) + + +def _iter_built_with_prepended( + installed: Candidate, infos: Iterator[IndexCandidateInfo] +) -> Iterator[Candidate]: + """Iterator for ``FoundCandidates``. + + This iterator is used when the resolver prefers the already-installed + candidate and NOT to upgrade. The installed candidate is therefore + always yielded first, and candidates from index come later in their + normal ordering, except skipped when the version is already installed. + """ + yield installed + versions_found: Set[_BaseVersion] = {installed.version} + for version, func in infos: + if version in versions_found: + continue + candidate = func() + if candidate is None: + continue + yield candidate + versions_found.add(version) + + +def _iter_built_with_inserted( + installed: Candidate, infos: Iterator[IndexCandidateInfo] +) -> Iterator[Candidate]: + """Iterator for ``FoundCandidates``. + + This iterator is used when the resolver prefers to upgrade an + already-installed package. Candidates from index are returned in their + normal ordering, except replaced when the version is already installed. + + The implementation iterates through and yields other candidates, inserting + the installed candidate exactly once before we start yielding older or + equivalent candidates, or after all other candidates if they are all newer. + """ + versions_found: Set[_BaseVersion] = set() + for version, func in infos: + if version in versions_found: + continue + # If the installed candidate is better, yield it first. + if installed.version >= version: + yield installed + versions_found.add(installed.version) + candidate = func() + if candidate is None: + continue + yield candidate + versions_found.add(version) + + # If the installed candidate is older than all other candidates. + if installed.version not in versions_found: + yield installed + + +class FoundCandidates(SequenceCandidate): + """A lazy sequence to provide candidates to the resolver. + + The intended usage is to return this from `find_matches()` so the resolver + can iterate through the sequence multiple times, but only access the index + page when remote packages are actually needed. This improve performances + when suitable candidates are already installed on disk. + """ + + def __init__( + self, + get_infos: Callable[[], Iterator[IndexCandidateInfo]], + installed: Optional[Candidate], + prefers_installed: bool, + incompatible_ids: Set[int], + ): + self._get_infos = get_infos + self._installed = installed + self._prefers_installed = prefers_installed + self._incompatible_ids = incompatible_ids + + def __getitem__(self, index: Any) -> Any: + # Implemented to satisfy the ABC check. This is not needed by the + # resolver, and should not be used by the provider either (for + # performance reasons). + raise NotImplementedError("don't do this") + + def __iter__(self) -> Iterator[Candidate]: + infos = self._get_infos() + if not self._installed: + iterator = _iter_built(infos) + elif self._prefers_installed: + iterator = _iter_built_with_prepended(self._installed, infos) + else: + iterator = _iter_built_with_inserted(self._installed, infos) + return (c for c in iterator if id(c) not in self._incompatible_ids) + + def __len__(self) -> int: + # Implemented to satisfy the ABC check. This is not needed by the + # resolver, and should not be used by the provider either (for + # performance reasons). + raise NotImplementedError("don't do this") + + @functools.lru_cache(maxsize=1) + def __bool__(self) -> bool: + if self._prefers_installed and self._installed: + return True + return any(self) diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py new file mode 100644 index 0000000000000000000000000000000000000000..315fb9c8902c5e3f4dd8419ccdf7d85c6718096e --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/provider.py @@ -0,0 +1,255 @@ +import collections +import math +from typing import ( + TYPE_CHECKING, + Dict, + Iterable, + Iterator, + Mapping, + Sequence, + TypeVar, + Union, +) + +from pip._vendor.resolvelib.providers import AbstractProvider + +from .base import Candidate, Constraint, Requirement +from .candidates import REQUIRES_PYTHON_IDENTIFIER +from .factory import Factory + +if TYPE_CHECKING: + from pip._vendor.resolvelib.providers import Preference + from pip._vendor.resolvelib.resolvers import RequirementInformation + + PreferenceInformation = RequirementInformation[Requirement, Candidate] + + _ProviderBase = AbstractProvider[Requirement, Candidate, str] +else: + _ProviderBase = AbstractProvider + +# Notes on the relationship between the provider, the factory, and the +# candidate and requirement classes. +# +# The provider is a direct implementation of the resolvelib class. Its role +# is to deliver the API that resolvelib expects. +# +# Rather than work with completely abstract "requirement" and "candidate" +# concepts as resolvelib does, pip has concrete classes implementing these two +# ideas. The API of Requirement and Candidate objects are defined in the base +# classes, but essentially map fairly directly to the equivalent provider +# methods. In particular, `find_matches` and `is_satisfied_by` are +# requirement methods, and `get_dependencies` is a candidate method. +# +# The factory is the interface to pip's internal mechanisms. It is stateless, +# and is created by the resolver and held as a property of the provider. It is +# responsible for creating Requirement and Candidate objects, and provides +# services to those objects (access to pip's finder and preparer). + + +D = TypeVar("D") +V = TypeVar("V") + + +def _get_with_identifier( + mapping: Mapping[str, V], + identifier: str, + default: D, +) -> Union[D, V]: + """Get item from a package name lookup mapping with a resolver identifier. + + This extra logic is needed when the target mapping is keyed by package + name, which cannot be directly looked up with an identifier (which may + contain requested extras). Additional logic is added to also look up a value + by "cleaning up" the extras from the identifier. + """ + if identifier in mapping: + return mapping[identifier] + # HACK: Theoretically we should check whether this identifier is a valid + # "NAME[EXTRAS]" format, and parse out the name part with packaging or + # some regular expression. But since pip's resolver only spits out three + # kinds of identifiers: normalized PEP 503 names, normalized names plus + # extras, and Requires-Python, we can cheat a bit here. + name, open_bracket, _ = identifier.partition("[") + if open_bracket and name in mapping: + return mapping[name] + return default + + +class PipProvider(_ProviderBase): + """Pip's provider implementation for resolvelib. + + :params constraints: A mapping of constraints specified by the user. Keys + are canonicalized project names. + :params ignore_dependencies: Whether the user specified ``--no-deps``. + :params upgrade_strategy: The user-specified upgrade strategy. + :params user_requested: A set of canonicalized package names that the user + supplied for pip to install/upgrade. + """ + + def __init__( + self, + factory: Factory, + constraints: Dict[str, Constraint], + ignore_dependencies: bool, + upgrade_strategy: str, + user_requested: Dict[str, int], + ) -> None: + self._factory = factory + self._constraints = constraints + self._ignore_dependencies = ignore_dependencies + self._upgrade_strategy = upgrade_strategy + self._user_requested = user_requested + self._known_depths: Dict[str, float] = collections.defaultdict(lambda: math.inf) + + def identify(self, requirement_or_candidate: Union[Requirement, Candidate]) -> str: + return requirement_or_candidate.name + + def get_preference( + self, + identifier: str, + resolutions: Mapping[str, Candidate], + candidates: Mapping[str, Iterator[Candidate]], + information: Mapping[str, Iterable["PreferenceInformation"]], + backtrack_causes: Sequence["PreferenceInformation"], + ) -> "Preference": + """Produce a sort key for given requirement based on preference. + + The lower the return value is, the more preferred this group of + arguments is. + + Currently pip considers the following in order: + + * Prefer if any of the known requirements is "direct", e.g. points to an + explicit URL. + * If equal, prefer if any requirement is "pinned", i.e. contains + operator ``===`` or ``==``. + * If equal, calculate an approximate "depth" and resolve requirements + closer to the user-specified requirements first. If the depth cannot + by determined (eg: due to no matching parents), it is considered + infinite. + * Order user-specified requirements by the order they are specified. + * If equal, prefers "non-free" requirements, i.e. contains at least one + operator, such as ``>=`` or ``<``. + * If equal, order alphabetically for consistency (helps debuggability). + """ + try: + next(iter(information[identifier])) + except StopIteration: + # There is no information for this identifier, so there's no known + # candidates. + has_information = False + else: + has_information = True + + if has_information: + lookups = (r.get_candidate_lookup() for r, _ in information[identifier]) + candidate, ireqs = zip(*lookups) + else: + candidate, ireqs = None, () + + operators = [ + specifier.operator + for specifier_set in (ireq.specifier for ireq in ireqs if ireq) + for specifier in specifier_set + ] + + direct = candidate is not None + pinned = any(op[:2] == "==" for op in operators) + unfree = bool(operators) + + try: + requested_order: Union[int, float] = self._user_requested[identifier] + except KeyError: + requested_order = math.inf + if has_information: + parent_depths = ( + self._known_depths[parent.name] if parent is not None else 0.0 + for _, parent in information[identifier] + ) + inferred_depth = min(d for d in parent_depths) + 1.0 + else: + inferred_depth = math.inf + else: + inferred_depth = 1.0 + self._known_depths[identifier] = inferred_depth + + requested_order = self._user_requested.get(identifier, math.inf) + + # Requires-Python has only one candidate and the check is basically + # free, so we always do it first to avoid needless work if it fails. + requires_python = identifier == REQUIRES_PYTHON_IDENTIFIER + + # Prefer the causes of backtracking on the assumption that the problem + # resolving the dependency tree is related to the failures that caused + # the backtracking + backtrack_cause = self.is_backtrack_cause(identifier, backtrack_causes) + + return ( + not requires_python, + not direct, + not pinned, + not backtrack_cause, + inferred_depth, + requested_order, + not unfree, + identifier, + ) + + def find_matches( + self, + identifier: str, + requirements: Mapping[str, Iterator[Requirement]], + incompatibilities: Mapping[str, Iterator[Candidate]], + ) -> Iterable[Candidate]: + def _eligible_for_upgrade(identifier: str) -> bool: + """Are upgrades allowed for this project? + + This checks the upgrade strategy, and whether the project was one + that the user specified in the command line, in order to decide + whether we should upgrade if there's a newer version available. + + (Note that we don't need access to the `--upgrade` flag, because + an upgrade strategy of "to-satisfy-only" means that `--upgrade` + was not specified). + """ + if self._upgrade_strategy == "eager": + return True + elif self._upgrade_strategy == "only-if-needed": + user_order = _get_with_identifier( + self._user_requested, + identifier, + default=None, + ) + return user_order is not None + return False + + constraint = _get_with_identifier( + self._constraints, + identifier, + default=Constraint.empty(), + ) + return self._factory.find_candidates( + identifier=identifier, + requirements=requirements, + constraint=constraint, + prefers_installed=(not _eligible_for_upgrade(identifier)), + incompatibilities=incompatibilities, + ) + + def is_satisfied_by(self, requirement: Requirement, candidate: Candidate) -> bool: + return requirement.is_satisfied_by(candidate) + + def get_dependencies(self, candidate: Candidate) -> Sequence[Requirement]: + with_requires = not self._ignore_dependencies + return [r for r in candidate.iter_dependencies(with_requires) if r is not None] + + @staticmethod + def is_backtrack_cause( + identifier: str, backtrack_causes: Sequence["PreferenceInformation"] + ) -> bool: + for backtrack_cause in backtrack_causes: + if identifier == backtrack_cause.requirement.name: + return True + if backtrack_cause.parent and identifier == backtrack_cause.parent.name: + return True + return False diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py new file mode 100644 index 0000000000000000000000000000000000000000..12adeff7b6eacafc9c8c655c8f6633622b646992 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/reporter.py @@ -0,0 +1,80 @@ +from collections import defaultdict +from logging import getLogger +from typing import Any, DefaultDict + +from pip._vendor.resolvelib.reporters import BaseReporter + +from .base import Candidate, Requirement + +logger = getLogger(__name__) + + +class PipReporter(BaseReporter): + def __init__(self) -> None: + self.reject_count_by_package: DefaultDict[str, int] = defaultdict(int) + + self._messages_at_reject_count = { + 1: ( + "pip is looking at multiple versions of {package_name} to " + "determine which version is compatible with other " + "requirements. This could take a while." + ), + 8: ( + "pip is still looking at multiple versions of {package_name} to " + "determine which version is compatible with other " + "requirements. This could take a while." + ), + 13: ( + "This is taking longer than usual. You might need to provide " + "the dependency resolver with stricter constraints to reduce " + "runtime. See https://pip.pypa.io/warnings/backtracking for " + "guidance. If you want to abort this run, press Ctrl + C." + ), + } + + def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None: + self.reject_count_by_package[candidate.name] += 1 + + count = self.reject_count_by_package[candidate.name] + if count not in self._messages_at_reject_count: + return + + message = self._messages_at_reject_count[count] + logger.info("INFO: %s", message.format(package_name=candidate.name)) + + msg = "Will try a different candidate, due to conflict:" + for req_info in criterion.information: + req, parent = req_info.requirement, req_info.parent + # Inspired by Factory.get_installation_error + msg += "\n " + if parent: + msg += f"{parent.name} {parent.version} depends on " + else: + msg += "The user requested " + msg += req.format_for_error() + logger.debug(msg) + + +class PipDebuggingReporter(BaseReporter): + """A reporter that does an info log for every event it sees.""" + + def starting(self) -> None: + logger.info("Reporter.starting()") + + def starting_round(self, index: int) -> None: + logger.info("Reporter.starting_round(%r)", index) + + def ending_round(self, index: int, state: Any) -> None: + logger.info("Reporter.ending_round(%r, state)", index) + + def ending(self, state: Any) -> None: + logger.info("Reporter.ending(%r)", state) + + def adding_requirement(self, requirement: Requirement, parent: Candidate) -> None: + logger.info("Reporter.adding_requirement(%r, %r)", requirement, parent) + + def rejecting_candidate(self, criterion: Any, candidate: Candidate) -> None: + logger.info("Reporter.rejecting_candidate(%r, %r)", criterion, candidate) + + def pinning(self, candidate: Candidate) -> None: + logger.info("Reporter.pinning(%r)", candidate) diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py new file mode 100644 index 0000000000000000000000000000000000000000..06addc0ddce8d1fd1df15b26f8b45221a44737b6 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/requirements.py @@ -0,0 +1,165 @@ +from pip._vendor.packaging.specifiers import SpecifierSet +from pip._vendor.packaging.utils import NormalizedName, canonicalize_name + +from pip._internal.req.req_install import InstallRequirement + +from .base import Candidate, CandidateLookup, Requirement, format_name + + +class ExplicitRequirement(Requirement): + def __init__(self, candidate: Candidate) -> None: + self.candidate = candidate + + def __str__(self) -> str: + return str(self.candidate) + + def __repr__(self) -> str: + return "{class_name}({candidate!r})".format( + class_name=self.__class__.__name__, + candidate=self.candidate, + ) + + @property + def project_name(self) -> NormalizedName: + # No need to canonicalize - the candidate did this + return self.candidate.project_name + + @property + def name(self) -> str: + # No need to canonicalize - the candidate did this + return self.candidate.name + + def format_for_error(self) -> str: + return self.candidate.format_for_error() + + def get_candidate_lookup(self) -> CandidateLookup: + return self.candidate, None + + def is_satisfied_by(self, candidate: Candidate) -> bool: + return candidate == self.candidate + + +class SpecifierRequirement(Requirement): + def __init__(self, ireq: InstallRequirement) -> None: + assert ireq.link is None, "This is a link, not a specifier" + self._ireq = ireq + self._extras = frozenset(ireq.extras) + + def __str__(self) -> str: + return str(self._ireq.req) + + def __repr__(self) -> str: + return "{class_name}({requirement!r})".format( + class_name=self.__class__.__name__, + requirement=str(self._ireq.req), + ) + + @property + def project_name(self) -> NormalizedName: + assert self._ireq.req, "Specifier-backed ireq is always PEP 508" + return canonicalize_name(self._ireq.req.name) + + @property + def name(self) -> str: + return format_name(self.project_name, self._extras) + + def format_for_error(self) -> str: + # Convert comma-separated specifiers into "A, B, ..., F and G" + # This makes the specifier a bit more "human readable", without + # risking a change in meaning. (Hopefully! Not all edge cases have + # been checked) + parts = [s.strip() for s in str(self).split(",")] + if len(parts) == 0: + return "" + elif len(parts) == 1: + return parts[0] + + return ", ".join(parts[:-1]) + " and " + parts[-1] + + def get_candidate_lookup(self) -> CandidateLookup: + return None, self._ireq + + def is_satisfied_by(self, candidate: Candidate) -> bool: + assert candidate.name == self.name, ( + f"Internal issue: Candidate is not for this requirement " + f"{candidate.name} vs {self.name}" + ) + # We can safely always allow prereleases here since PackageFinder + # already implements the prerelease logic, and would have filtered out + # prerelease candidates if the user does not expect them. + assert self._ireq.req, "Specifier-backed ireq is always PEP 508" + spec = self._ireq.req.specifier + return spec.contains(candidate.version, prereleases=True) + + +class RequiresPythonRequirement(Requirement): + """A requirement representing Requires-Python metadata.""" + + def __init__(self, specifier: SpecifierSet, match: Candidate) -> None: + self.specifier = specifier + self._candidate = match + + def __str__(self) -> str: + return f"Python {self.specifier}" + + def __repr__(self) -> str: + return "{class_name}({specifier!r})".format( + class_name=self.__class__.__name__, + specifier=str(self.specifier), + ) + + @property + def project_name(self) -> NormalizedName: + return self._candidate.project_name + + @property + def name(self) -> str: + return self._candidate.name + + def format_for_error(self) -> str: + return str(self) + + def get_candidate_lookup(self) -> CandidateLookup: + if self.specifier.contains(self._candidate.version, prereleases=True): + return self._candidate, None + return None, None + + def is_satisfied_by(self, candidate: Candidate) -> bool: + assert candidate.name == self._candidate.name, "Not Python candidate" + # We can safely always allow prereleases here since PackageFinder + # already implements the prerelease logic, and would have filtered out + # prerelease candidates if the user does not expect them. + return self.specifier.contains(candidate.version, prereleases=True) + + +class UnsatisfiableRequirement(Requirement): + """A requirement that cannot be satisfied.""" + + def __init__(self, name: NormalizedName) -> None: + self._name = name + + def __str__(self) -> str: + return f"{self._name} (unavailable)" + + def __repr__(self) -> str: + return "{class_name}({name!r})".format( + class_name=self.__class__.__name__, + name=str(self._name), + ) + + @property + def project_name(self) -> NormalizedName: + return self._name + + @property + def name(self) -> str: + return self._name + + def format_for_error(self) -> str: + return str(self) + + def get_candidate_lookup(self) -> CandidateLookup: + return None, None + + def is_satisfied_by(self, candidate: Candidate) -> bool: + return False diff --git a/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py new file mode 100644 index 0000000000000000000000000000000000000000..d5b238608b2af459e3db803edbe1b23a7955df7b --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/resolution/resolvelib/resolver.py @@ -0,0 +1,299 @@ +import functools +import logging +import os +from typing import TYPE_CHECKING, Dict, List, Optional, Set, Tuple, cast + +from pip._vendor.packaging.utils import canonicalize_name +from pip._vendor.resolvelib import BaseReporter, ResolutionImpossible +from pip._vendor.resolvelib import Resolver as RLResolver +from pip._vendor.resolvelib.structs import DirectedGraph + +from pip._internal.cache import WheelCache +from pip._internal.index.package_finder import PackageFinder +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req.req_install import InstallRequirement +from pip._internal.req.req_set import RequirementSet +from pip._internal.resolution.base import BaseResolver, InstallRequirementProvider +from pip._internal.resolution.resolvelib.provider import PipProvider +from pip._internal.resolution.resolvelib.reporter import ( + PipDebuggingReporter, + PipReporter, +) + +from .base import Candidate, Requirement +from .factory import Factory + +if TYPE_CHECKING: + from pip._vendor.resolvelib.resolvers import Result as RLResult + + Result = RLResult[Requirement, Candidate, str] + + +logger = logging.getLogger(__name__) + + +class Resolver(BaseResolver): + _allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"} + + def __init__( + self, + preparer: RequirementPreparer, + finder: PackageFinder, + wheel_cache: Optional[WheelCache], + make_install_req: InstallRequirementProvider, + use_user_site: bool, + ignore_dependencies: bool, + ignore_installed: bool, + ignore_requires_python: bool, + force_reinstall: bool, + upgrade_strategy: str, + py_version_info: Optional[Tuple[int, ...]] = None, + ): + super().__init__() + assert upgrade_strategy in self._allowed_strategies + + self.factory = Factory( + finder=finder, + preparer=preparer, + make_install_req=make_install_req, + wheel_cache=wheel_cache, + use_user_site=use_user_site, + force_reinstall=force_reinstall, + ignore_installed=ignore_installed, + ignore_requires_python=ignore_requires_python, + py_version_info=py_version_info, + ) + self.ignore_dependencies = ignore_dependencies + self.upgrade_strategy = upgrade_strategy + self._result: Optional[Result] = None + + def resolve( + self, root_reqs: List[InstallRequirement], check_supported_wheels: bool + ) -> RequirementSet: + collected = self.factory.collect_root_requirements(root_reqs) + provider = PipProvider( + factory=self.factory, + constraints=collected.constraints, + ignore_dependencies=self.ignore_dependencies, + upgrade_strategy=self.upgrade_strategy, + user_requested=collected.user_requested, + ) + if "PIP_RESOLVER_DEBUG" in os.environ: + reporter: BaseReporter = PipDebuggingReporter() + else: + reporter = PipReporter() + resolver: RLResolver[Requirement, Candidate, str] = RLResolver( + provider, + reporter, + ) + + try: + limit_how_complex_resolution_can_be = 200000 + result = self._result = resolver.resolve( + collected.requirements, max_rounds=limit_how_complex_resolution_can_be + ) + + except ResolutionImpossible as e: + error = self.factory.get_installation_error( + cast("ResolutionImpossible[Requirement, Candidate]", e), + collected.constraints, + ) + raise error from e + + req_set = RequirementSet(check_supported_wheels=check_supported_wheels) + for candidate in result.mapping.values(): + ireq = candidate.get_install_requirement() + if ireq is None: + continue + + # Check if there is already an installation under the same name, + # and set a flag for later stages to uninstall it, if needed. + installed_dist = self.factory.get_dist_to_uninstall(candidate) + if installed_dist is None: + # There is no existing installation -- nothing to uninstall. + ireq.should_reinstall = False + elif self.factory.force_reinstall: + # The --force-reinstall flag is set -- reinstall. + ireq.should_reinstall = True + elif installed_dist.version != candidate.version: + # The installation is different in version -- reinstall. + ireq.should_reinstall = True + elif candidate.is_editable or installed_dist.editable: + # The incoming distribution is editable, or different in + # editable-ness to installation -- reinstall. + ireq.should_reinstall = True + elif candidate.source_link and candidate.source_link.is_file: + # The incoming distribution is under file:// + if candidate.source_link.is_wheel: + # is a local wheel -- do nothing. + logger.info( + "%s is already installed with the same version as the " + "provided wheel. Use --force-reinstall to force an " + "installation of the wheel.", + ireq.name, + ) + continue + + # is a local sdist or path -- reinstall + ireq.should_reinstall = True + else: + continue + + link = candidate.source_link + if link and link.is_yanked: + # The reason can contain non-ASCII characters, Unicode + # is required for Python 2. + msg = ( + "The candidate selected for download or install is a " + "yanked version: {name!r} candidate (version {version} " + "at {link})\nReason for being yanked: {reason}" + ).format( + name=candidate.name, + version=candidate.version, + link=link, + reason=link.yanked_reason or "", + ) + logger.warning(msg) + + req_set.add_named_requirement(ireq) + + reqs = req_set.all_requirements + self.factory.preparer.prepare_linked_requirements_more(reqs) + for req in reqs: + req.prepared = True + req.needs_more_preparation = False + return req_set + + def get_installation_order( + self, req_set: RequirementSet + ) -> List[InstallRequirement]: + """Get order for installation of requirements in RequirementSet. + + The returned list contains a requirement before another that depends on + it. This helps ensure that the environment is kept consistent as they + get installed one-by-one. + + The current implementation creates a topological ordering of the + dependency graph, giving more weight to packages with less + or no dependencies, while breaking any cycles in the graph at + arbitrary points. We make no guarantees about where the cycle + would be broken, other than it *would* be broken. + """ + assert self._result is not None, "must call resolve() first" + + if not req_set.requirements: + # Nothing is left to install, so we do not need an order. + return [] + + graph = self._result.graph + weights = get_topological_weights(graph, set(req_set.requirements.keys())) + + sorted_items = sorted( + req_set.requirements.items(), + key=functools.partial(_req_set_item_sorter, weights=weights), + reverse=True, + ) + return [ireq for _, ireq in sorted_items] + + +def get_topological_weights( + graph: "DirectedGraph[Optional[str]]", requirement_keys: Set[str] +) -> Dict[Optional[str], int]: + """Assign weights to each node based on how "deep" they are. + + This implementation may change at any point in the future without prior + notice. + + We first simplify the dependency graph by pruning any leaves and giving them + the highest weight: a package without any dependencies should be installed + first. This is done again and again in the same way, giving ever less weight + to the newly found leaves. The loop stops when no leaves are left: all + remaining packages have at least one dependency left in the graph. + + Then we continue with the remaining graph, by taking the length for the + longest path to any node from root, ignoring any paths that contain a single + node twice (i.e. cycles). This is done through a depth-first search through + the graph, while keeping track of the path to the node. + + Cycles in the graph result would result in node being revisited while also + being on its own path. In this case, take no action. This helps ensure we + don't get stuck in a cycle. + + When assigning weight, the longer path (i.e. larger length) is preferred. + + We are only interested in the weights of packages that are in the + requirement_keys. + """ + path: Set[Optional[str]] = set() + weights: Dict[Optional[str], int] = {} + + def visit(node: Optional[str]) -> None: + if node in path: + # We hit a cycle, so we'll break it here. + return + + # Time to visit the children! + path.add(node) + for child in graph.iter_children(node): + visit(child) + path.remove(node) + + if node not in requirement_keys: + return + + last_known_parent_count = weights.get(node, 0) + weights[node] = max(last_known_parent_count, len(path)) + + # Simplify the graph, pruning leaves that have no dependencies. + # This is needed for large graphs (say over 200 packages) because the + # `visit` function is exponentially slower then, taking minutes. + # See https://github.com/pypa/pip/issues/10557 + # We will loop until we explicitly break the loop. + while True: + leaves = set() + for key in graph: + if key is None: + continue + for _child in graph.iter_children(key): + # This means we have at least one child + break + else: + # No child. + leaves.add(key) + if not leaves: + # We are done simplifying. + break + # Calculate the weight for the leaves. + weight = len(graph) - 1 + for leaf in leaves: + if leaf not in requirement_keys: + continue + weights[leaf] = weight + # Remove the leaves from the graph, making it simpler. + for leaf in leaves: + graph.remove(leaf) + + # Visit the remaining graph. + # `None` is guaranteed to be the root node by resolvelib. + visit(None) + + # Sanity check: all requirement keys should be in the weights, + # and no other keys should be in the weights. + difference = set(weights.keys()).difference(requirement_keys) + assert not difference, difference + + return weights + + +def _req_set_item_sorter( + item: Tuple[str, InstallRequirement], + weights: Dict[Optional[str], int], +) -> Tuple[int, str]: + """Key function used to sort install requirements for installation. + + Based on the "weight" mapping calculated in ``get_installation_order()``. + The canonical package name is returned as the second member as a tie- + breaker to ensure the result is predictable, which is useful in tests. + """ + name = canonicalize_name(item[0]) + return weights[name], name diff --git a/.venv/Lib/site-packages/pip/_internal/utils/appdirs.py b/.venv/Lib/site-packages/pip/_internal/utils/appdirs.py new file mode 100644 index 0000000000000000000000000000000000000000..16933bf8afedcbe3e9d4fcc04e5f7246228c56fc --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/appdirs.py @@ -0,0 +1,52 @@ +""" +This code wraps the vendored appdirs module to so the return values are +compatible for the current pip code base. + +The intention is to rewrite current usages gradually, keeping the tests pass, +and eventually drop this after all usages are changed. +""" + +import os +import sys +from typing import List + +from pip._vendor import platformdirs as _appdirs + + +def user_cache_dir(appname: str) -> str: + return _appdirs.user_cache_dir(appname, appauthor=False) + + +def _macos_user_config_dir(appname: str, roaming: bool = True) -> str: + # Use ~/Application Support/pip, if the directory exists. + path = _appdirs.user_data_dir(appname, appauthor=False, roaming=roaming) + if os.path.isdir(path): + return path + + # Use a Linux-like ~/.config/pip, by default. + linux_like_path = "~/.config/" + if appname: + linux_like_path = os.path.join(linux_like_path, appname) + + return os.path.expanduser(linux_like_path) + + +def user_config_dir(appname: str, roaming: bool = True) -> str: + if sys.platform == "darwin": + return _macos_user_config_dir(appname, roaming) + + return _appdirs.user_config_dir(appname, appauthor=False, roaming=roaming) + + +# for the discussion regarding site_config_dir locations +# see +def site_config_dirs(appname: str) -> List[str]: + if sys.platform == "darwin": + return [_appdirs.site_data_dir(appname, appauthor=False, multipath=True)] + + dirval = _appdirs.site_config_dir(appname, appauthor=False, multipath=True) + if sys.platform == "win32": + return [dirval] + + # Unix-y system. Look in /etc as well. + return dirval.split(os.pathsep) + ["/etc"] diff --git a/.venv/Lib/site-packages/pip/_internal/utils/compat.py b/.venv/Lib/site-packages/pip/_internal/utils/compat.py new file mode 100644 index 0000000000000000000000000000000000000000..3f4d300cef077e698989245562375a9444d983fa --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/compat.py @@ -0,0 +1,63 @@ +"""Stuff that differs in different Python versions and platform +distributions.""" + +import logging +import os +import sys + +__all__ = ["get_path_uid", "stdlib_pkgs", "WINDOWS"] + + +logger = logging.getLogger(__name__) + + +def has_tls() -> bool: + try: + import _ssl # noqa: F401 # ignore unused + + return True + except ImportError: + pass + + from pip._vendor.urllib3.util import IS_PYOPENSSL + + return IS_PYOPENSSL + + +def get_path_uid(path: str) -> int: + """ + Return path's uid. + + Does not follow symlinks: + https://github.com/pypa/pip/pull/935#discussion_r5307003 + + Placed this function in compat due to differences on AIX and + Jython, that should eventually go away. + + :raises OSError: When path is a symlink or can't be read. + """ + if hasattr(os, "O_NOFOLLOW"): + fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW) + file_uid = os.fstat(fd).st_uid + os.close(fd) + else: # AIX and Jython + # WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW + if not os.path.islink(path): + # older versions of Jython don't have `os.fstat` + file_uid = os.stat(path).st_uid + else: + # raise OSError for parity with os.O_NOFOLLOW above + raise OSError(f"{path} is a symlink; Will not return uid for symlinks") + return file_uid + + +# packages in the stdlib that may have installation metadata, but should not be +# considered 'installed'. this theoretically could be determined based on +# dist.location (py27:`sysconfig.get_paths()['stdlib']`, +# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may +# make this ineffective, so hard-coding +stdlib_pkgs = {"python", "wsgiref", "argparse"} + + +# windows detection, covers cpython and ironpython +WINDOWS = sys.platform.startswith("win") or (sys.platform == "cli" and os.name == "nt") diff --git a/.venv/Lib/site-packages/pip/_internal/utils/compatibility_tags.py b/.venv/Lib/site-packages/pip/_internal/utils/compatibility_tags.py new file mode 100644 index 0000000000000000000000000000000000000000..b6ed9a78e552806cb23d8ac48ada6d41db5b4de5 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/compatibility_tags.py @@ -0,0 +1,165 @@ +"""Generate and work with PEP 425 Compatibility Tags. +""" + +import re +from typing import List, Optional, Tuple + +from pip._vendor.packaging.tags import ( + PythonVersion, + Tag, + compatible_tags, + cpython_tags, + generic_tags, + interpreter_name, + interpreter_version, + mac_platforms, +) + +_osx_arch_pat = re.compile(r"(.+)_(\d+)_(\d+)_(.+)") + + +def version_info_to_nodot(version_info: Tuple[int, ...]) -> str: + # Only use up to the first two numbers. + return "".join(map(str, version_info[:2])) + + +def _mac_platforms(arch: str) -> List[str]: + match = _osx_arch_pat.match(arch) + if match: + name, major, minor, actual_arch = match.groups() + mac_version = (int(major), int(minor)) + arches = [ + # Since we have always only checked that the platform starts + # with "macosx", for backwards-compatibility we extract the + # actual prefix provided by the user in case they provided + # something like "macosxcustom_". It may be good to remove + # this as undocumented or deprecate it in the future. + "{}_{}".format(name, arch[len("macosx_") :]) + for arch in mac_platforms(mac_version, actual_arch) + ] + else: + # arch pattern didn't match (?!) + arches = [arch] + return arches + + +def _custom_manylinux_platforms(arch: str) -> List[str]: + arches = [arch] + arch_prefix, arch_sep, arch_suffix = arch.partition("_") + if arch_prefix == "manylinux2014": + # manylinux1/manylinux2010 wheels run on most manylinux2014 systems + # with the exception of wheels depending on ncurses. PEP 599 states + # manylinux1/manylinux2010 wheels should be considered + # manylinux2014 wheels: + # https://www.python.org/dev/peps/pep-0599/#backwards-compatibility-with-manylinux2010-wheels + if arch_suffix in {"i686", "x86_64"}: + arches.append("manylinux2010" + arch_sep + arch_suffix) + arches.append("manylinux1" + arch_sep + arch_suffix) + elif arch_prefix == "manylinux2010": + # manylinux1 wheels run on most manylinux2010 systems with the + # exception of wheels depending on ncurses. PEP 571 states + # manylinux1 wheels should be considered manylinux2010 wheels: + # https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels + arches.append("manylinux1" + arch_sep + arch_suffix) + return arches + + +def _get_custom_platforms(arch: str) -> List[str]: + arch_prefix, arch_sep, arch_suffix = arch.partition("_") + if arch.startswith("macosx"): + arches = _mac_platforms(arch) + elif arch_prefix in ["manylinux2014", "manylinux2010"]: + arches = _custom_manylinux_platforms(arch) + else: + arches = [arch] + return arches + + +def _expand_allowed_platforms(platforms: Optional[List[str]]) -> Optional[List[str]]: + if not platforms: + return None + + seen = set() + result = [] + + for p in platforms: + if p in seen: + continue + additions = [c for c in _get_custom_platforms(p) if c not in seen] + seen.update(additions) + result.extend(additions) + + return result + + +def _get_python_version(version: str) -> PythonVersion: + if len(version) > 1: + return int(version[0]), int(version[1:]) + else: + return (int(version[0]),) + + +def _get_custom_interpreter( + implementation: Optional[str] = None, version: Optional[str] = None +) -> str: + if implementation is None: + implementation = interpreter_name() + if version is None: + version = interpreter_version() + return f"{implementation}{version}" + + +def get_supported( + version: Optional[str] = None, + platforms: Optional[List[str]] = None, + impl: Optional[str] = None, + abis: Optional[List[str]] = None, +) -> List[Tag]: + """Return a list of supported tags for each version specified in + `versions`. + + :param version: a string version, of the form "33" or "32", + or None. The version will be assumed to support our ABI. + :param platform: specify a list of platforms you want valid + tags for, or None. If None, use the local system platform. + :param impl: specify the exact implementation you want valid + tags for, or None. If None, use the local interpreter impl. + :param abis: specify a list of abis you want valid + tags for, or None. If None, use the local interpreter abi. + """ + supported: List[Tag] = [] + + python_version: Optional[PythonVersion] = None + if version is not None: + python_version = _get_python_version(version) + + interpreter = _get_custom_interpreter(impl, version) + + platforms = _expand_allowed_platforms(platforms) + + is_cpython = (impl or interpreter_name()) == "cp" + if is_cpython: + supported.extend( + cpython_tags( + python_version=python_version, + abis=abis, + platforms=platforms, + ) + ) + else: + supported.extend( + generic_tags( + interpreter=interpreter, + abis=abis, + platforms=platforms, + ) + ) + supported.extend( + compatible_tags( + python_version=python_version, + interpreter=interpreter, + platforms=platforms, + ) + ) + + return supported diff --git a/.venv/Lib/site-packages/pip/_internal/utils/datetime.py b/.venv/Lib/site-packages/pip/_internal/utils/datetime.py new file mode 100644 index 0000000000000000000000000000000000000000..8668b3b0ec1deec2aeb7ff6bd94265d6705e05bf --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/datetime.py @@ -0,0 +1,11 @@ +"""For when pip wants to check the date or time. +""" + +import datetime + + +def today_is_later_than(year: int, month: int, day: int) -> bool: + today = datetime.date.today() + given = datetime.date(year, month, day) + + return today > given diff --git a/.venv/Lib/site-packages/pip/_internal/utils/deprecation.py b/.venv/Lib/site-packages/pip/_internal/utils/deprecation.py new file mode 100644 index 0000000000000000000000000000000000000000..72bd6f25a554b303d0bf5028145cf3a5c71b3e06 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/deprecation.py @@ -0,0 +1,120 @@ +""" +A module that implements tooling to enable easy warnings about deprecations. +""" + +import logging +import warnings +from typing import Any, Optional, TextIO, Type, Union + +from pip._vendor.packaging.version import parse + +from pip import __version__ as current_version # NOTE: tests patch this name. + +DEPRECATION_MSG_PREFIX = "DEPRECATION: " + + +class PipDeprecationWarning(Warning): + pass + + +_original_showwarning: Any = None + + +# Warnings <-> Logging Integration +def _showwarning( + message: Union[Warning, str], + category: Type[Warning], + filename: str, + lineno: int, + file: Optional[TextIO] = None, + line: Optional[str] = None, +) -> None: + if file is not None: + if _original_showwarning is not None: + _original_showwarning(message, category, filename, lineno, file, line) + elif issubclass(category, PipDeprecationWarning): + # We use a specially named logger which will handle all of the + # deprecation messages for pip. + logger = logging.getLogger("pip._internal.deprecations") + logger.warning(message) + else: + _original_showwarning(message, category, filename, lineno, file, line) + + +def install_warning_logger() -> None: + # Enable our Deprecation Warnings + warnings.simplefilter("default", PipDeprecationWarning, append=True) + + global _original_showwarning + + if _original_showwarning is None: + _original_showwarning = warnings.showwarning + warnings.showwarning = _showwarning + + +def deprecated( + *, + reason: str, + replacement: Optional[str], + gone_in: Optional[str], + feature_flag: Optional[str] = None, + issue: Optional[int] = None, +) -> None: + """Helper to deprecate existing functionality. + + reason: + Textual reason shown to the user about why this functionality has + been deprecated. Should be a complete sentence. + replacement: + Textual suggestion shown to the user about what alternative + functionality they can use. + gone_in: + The version of pip does this functionality should get removed in. + Raises an error if pip's current version is greater than or equal to + this. + feature_flag: + Command-line flag of the form --use-feature={feature_flag} for testing + upcoming functionality. + issue: + Issue number on the tracker that would serve as a useful place for + users to find related discussion and provide feedback. + """ + + # Determine whether or not the feature is already gone in this version. + is_gone = gone_in is not None and parse(current_version) >= parse(gone_in) + + message_parts = [ + (reason, f"{DEPRECATION_MSG_PREFIX}{{}}"), + ( + gone_in, + "pip {} will enforce this behaviour change." + if not is_gone + else "Since pip {}, this is no longer supported.", + ), + ( + replacement, + "A possible replacement is {}.", + ), + ( + feature_flag, + "You can use the flag --use-feature={} to test the upcoming behaviour." + if not is_gone + else None, + ), + ( + issue, + "Discussion can be found at https://github.com/pypa/pip/issues/{}", + ), + ] + + message = " ".join( + format_str.format(value) + for value, format_str in message_parts + if format_str is not None and value is not None + ) + + # Raise as an error if this behaviour is deprecated. + if is_gone: + raise PipDeprecationWarning(message) + + warnings.warn(message, category=PipDeprecationWarning, stacklevel=2) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py b/.venv/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py new file mode 100644 index 0000000000000000000000000000000000000000..0e8e5e1608b911e789a3d346ebe48aa7cc54b79e --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/direct_url_helpers.py @@ -0,0 +1,87 @@ +from typing import Optional + +from pip._internal.models.direct_url import ArchiveInfo, DirectUrl, DirInfo, VcsInfo +from pip._internal.models.link import Link +from pip._internal.utils.urls import path_to_url +from pip._internal.vcs import vcs + + +def direct_url_as_pep440_direct_reference(direct_url: DirectUrl, name: str) -> str: + """Convert a DirectUrl to a pip requirement string.""" + direct_url.validate() # if invalid, this is a pip bug + requirement = name + " @ " + fragments = [] + if isinstance(direct_url.info, VcsInfo): + requirement += "{}+{}@{}".format( + direct_url.info.vcs, direct_url.url, direct_url.info.commit_id + ) + elif isinstance(direct_url.info, ArchiveInfo): + requirement += direct_url.url + if direct_url.info.hash: + fragments.append(direct_url.info.hash) + else: + assert isinstance(direct_url.info, DirInfo) + requirement += direct_url.url + if direct_url.subdirectory: + fragments.append("subdirectory=" + direct_url.subdirectory) + if fragments: + requirement += "#" + "&".join(fragments) + return requirement + + +def direct_url_for_editable(source_dir: str) -> DirectUrl: + return DirectUrl( + url=path_to_url(source_dir), + info=DirInfo(editable=True), + ) + + +def direct_url_from_link( + link: Link, source_dir: Optional[str] = None, link_is_in_wheel_cache: bool = False +) -> DirectUrl: + if link.is_vcs: + vcs_backend = vcs.get_backend_for_scheme(link.scheme) + assert vcs_backend + url, requested_revision, _ = vcs_backend.get_url_rev_and_auth( + link.url_without_fragment + ) + # For VCS links, we need to find out and add commit_id. + if link_is_in_wheel_cache: + # If the requested VCS link corresponds to a cached + # wheel, it means the requested revision was an + # immutable commit hash, otherwise it would not have + # been cached. In that case we don't have a source_dir + # with the VCS checkout. + assert requested_revision + commit_id = requested_revision + else: + # If the wheel was not in cache, it means we have + # had to checkout from VCS to build and we have a source_dir + # which we can inspect to find out the commit id. + assert source_dir + commit_id = vcs_backend.get_revision(source_dir) + return DirectUrl( + url=url, + info=VcsInfo( + vcs=vcs_backend.name, + commit_id=commit_id, + requested_revision=requested_revision, + ), + subdirectory=link.subdirectory_fragment, + ) + elif link.is_existing_dir(): + return DirectUrl( + url=link.url_without_fragment, + info=DirInfo(), + subdirectory=link.subdirectory_fragment, + ) + else: + hash = None + hash_name = link.hash_name + if hash_name: + hash = f"{hash_name}={link.hash}" + return DirectUrl( + url=link.url_without_fragment, + info=ArchiveInfo(hash=hash), + subdirectory=link.subdirectory_fragment, + ) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/egg_link.py b/.venv/Lib/site-packages/pip/_internal/utils/egg_link.py new file mode 100644 index 0000000000000000000000000000000000000000..eb57ed1519f82adb79a3d2377e1f286df9d8ef6b --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/egg_link.py @@ -0,0 +1,72 @@ +import os +import re +import sys +from typing import List, Optional + +from pip._internal.locations import site_packages, user_site +from pip._internal.utils.virtualenv import ( + running_under_virtualenv, + virtualenv_no_global, +) + +__all__ = [ + "egg_link_path_from_sys_path", + "egg_link_path_from_location", +] + + +def _egg_link_name(raw_name: str) -> str: + """ + Convert a Name metadata value to a .egg-link name, by applying + the same substitution as pkg_resources's safe_name function. + Note: we cannot use canonicalize_name because it has a different logic. + """ + return re.sub("[^A-Za-z0-9.]+", "-", raw_name) + ".egg-link" + + +def egg_link_path_from_sys_path(raw_name: str) -> Optional[str]: + """ + Look for a .egg-link file for project name, by walking sys.path. + """ + egg_link_name = _egg_link_name(raw_name) + for path_item in sys.path: + egg_link = os.path.join(path_item, egg_link_name) + if os.path.isfile(egg_link): + return egg_link + return None + + +def egg_link_path_from_location(raw_name: str) -> Optional[str]: + """ + Return the path for the .egg-link file if it exists, otherwise, None. + + There's 3 scenarios: + 1) not in a virtualenv + try to find in site.USER_SITE, then site_packages + 2) in a no-global virtualenv + try to find in site_packages + 3) in a yes-global virtualenv + try to find in site_packages, then site.USER_SITE + (don't look in global location) + + For #1 and #3, there could be odd cases, where there's an egg-link in 2 + locations. + + This method will just return the first one found. + """ + sites: List[str] = [] + if running_under_virtualenv(): + sites.append(site_packages) + if not virtualenv_no_global() and user_site: + sites.append(user_site) + else: + if user_site: + sites.append(user_site) + sites.append(site_packages) + + egg_link_name = _egg_link_name(raw_name) + for site in sites: + egglink = os.path.join(site, egg_link_name) + if os.path.isfile(egglink): + return egglink + return None diff --git a/.venv/Lib/site-packages/pip/_internal/utils/encoding.py b/.venv/Lib/site-packages/pip/_internal/utils/encoding.py new file mode 100644 index 0000000000000000000000000000000000000000..008f06a79bf598b149bdccb73e572d13331a1631 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/encoding.py @@ -0,0 +1,36 @@ +import codecs +import locale +import re +import sys +from typing import List, Tuple + +BOMS: List[Tuple[bytes, str]] = [ + (codecs.BOM_UTF8, "utf-8"), + (codecs.BOM_UTF16, "utf-16"), + (codecs.BOM_UTF16_BE, "utf-16-be"), + (codecs.BOM_UTF16_LE, "utf-16-le"), + (codecs.BOM_UTF32, "utf-32"), + (codecs.BOM_UTF32_BE, "utf-32-be"), + (codecs.BOM_UTF32_LE, "utf-32-le"), +] + +ENCODING_RE = re.compile(rb"coding[:=]\s*([-\w.]+)") + + +def auto_decode(data: bytes) -> str: + """Check a bytes string for a BOM to correctly detect the encoding + + Fallback to locale.getpreferredencoding(False) like open() on Python3""" + for bom, encoding in BOMS: + if data.startswith(bom): + return data[len(bom) :].decode(encoding) + # Lets check the first two lines as in PEP263 + for line in data.split(b"\n")[:2]: + if line[0:1] == b"#" and ENCODING_RE.search(line): + result = ENCODING_RE.search(line) + assert result is not None + encoding = result.groups()[0].decode("ascii") + return data.decode(encoding) + return data.decode( + locale.getpreferredencoding(False) or sys.getdefaultencoding(), + ) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/entrypoints.py b/.venv/Lib/site-packages/pip/_internal/utils/entrypoints.py new file mode 100644 index 0000000000000000000000000000000000000000..150136938548af6aa5ae1f716b330d0eb2d3e013 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/entrypoints.py @@ -0,0 +1,84 @@ +import itertools +import os +import shutil +import sys +from typing import List, Optional + +from pip._internal.cli.main import main +from pip._internal.utils.compat import WINDOWS + +_EXECUTABLE_NAMES = [ + "pip", + f"pip{sys.version_info.major}", + f"pip{sys.version_info.major}.{sys.version_info.minor}", +] +if WINDOWS: + _allowed_extensions = {"", ".exe"} + _EXECUTABLE_NAMES = [ + "".join(parts) + for parts in itertools.product(_EXECUTABLE_NAMES, _allowed_extensions) + ] + + +def _wrapper(args: Optional[List[str]] = None) -> int: + """Central wrapper for all old entrypoints. + + Historically pip has had several entrypoints defined. Because of issues + arising from PATH, sys.path, multiple Pythons, their interactions, and most + of them having a pip installed, users suffer every time an entrypoint gets + moved. + + To alleviate this pain, and provide a mechanism for warning users and + directing them to an appropriate place for help, we now define all of + our old entrypoints as wrappers for the current one. + """ + sys.stderr.write( + "WARNING: pip is being invoked by an old script wrapper. This will " + "fail in a future version of pip.\n" + "Please see https://github.com/pypa/pip/issues/5599 for advice on " + "fixing the underlying issue.\n" + "To avoid this problem you can invoke Python with '-m pip' instead of " + "running pip directly.\n" + ) + return main(args) + + +def get_best_invocation_for_this_pip() -> str: + """Try to figure out the best way to invoke pip in the current environment.""" + binary_directory = "Scripts" if WINDOWS else "bin" + binary_prefix = os.path.join(sys.prefix, binary_directory) + + # Try to use pip[X[.Y]] names, if those executables for this environment are + # the first on PATH with that name. + path_parts = os.path.normcase(os.environ.get("PATH", "")).split(os.pathsep) + exe_are_in_PATH = os.path.normcase(binary_prefix) in path_parts + if exe_are_in_PATH: + for exe_name in _EXECUTABLE_NAMES: + found_executable = shutil.which(exe_name) + binary_executable = os.path.join(binary_prefix, exe_name) + if ( + found_executable + and os.path.exists(binary_executable) + and os.path.samefile( + found_executable, + binary_executable, + ) + ): + return exe_name + + # Use the `-m` invocation, if there's no "nice" invocation. + return f"{get_best_invocation_for_this_python()} -m pip" + + +def get_best_invocation_for_this_python() -> str: + """Try to figure out the best way to invoke the current Python.""" + exe = sys.executable + exe_name = os.path.basename(exe) + + # Try to use the basename, if it's the first executable. + found_executable = shutil.which(exe_name) + if found_executable and os.path.samefile(found_executable, exe): + return exe_name + + # Use the full executable name, because we couldn't find something simpler. + return exe diff --git a/.venv/Lib/site-packages/pip/_internal/utils/filesystem.py b/.venv/Lib/site-packages/pip/_internal/utils/filesystem.py new file mode 100644 index 0000000000000000000000000000000000000000..83c2df75b963e5866b63aaf0f4446a8ca61aebce --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/filesystem.py @@ -0,0 +1,153 @@ +import fnmatch +import os +import os.path +import random +import sys +from contextlib import contextmanager +from tempfile import NamedTemporaryFile +from typing import Any, BinaryIO, Generator, List, Union, cast + +from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed + +from pip._internal.utils.compat import get_path_uid +from pip._internal.utils.misc import format_size + + +def check_path_owner(path: str) -> bool: + # If we don't have a way to check the effective uid of this process, then + # we'll just assume that we own the directory. + if sys.platform == "win32" or not hasattr(os, "geteuid"): + return True + + assert os.path.isabs(path) + + previous = None + while path != previous: + if os.path.lexists(path): + # Check if path is writable by current user. + if os.geteuid() == 0: + # Special handling for root user in order to handle properly + # cases where users use sudo without -H flag. + try: + path_uid = get_path_uid(path) + except OSError: + return False + return path_uid == 0 + else: + return os.access(path, os.W_OK) + else: + previous, path = path, os.path.dirname(path) + return False # assume we don't own the path + + +@contextmanager +def adjacent_tmp_file(path: str, **kwargs: Any) -> Generator[BinaryIO, None, None]: + """Return a file-like object pointing to a tmp file next to path. + + The file is created securely and is ensured to be written to disk + after the context reaches its end. + + kwargs will be passed to tempfile.NamedTemporaryFile to control + the way the temporary file will be opened. + """ + with NamedTemporaryFile( + delete=False, + dir=os.path.dirname(path), + prefix=os.path.basename(path), + suffix=".tmp", + **kwargs, + ) as f: + result = cast(BinaryIO, f) + try: + yield result + finally: + result.flush() + os.fsync(result.fileno()) + + +# Tenacity raises RetryError by default, explicitly raise the original exception +_replace_retry = retry(reraise=True, stop=stop_after_delay(1), wait=wait_fixed(0.25)) + +replace = _replace_retry(os.replace) + + +# test_writable_dir and _test_writable_dir_win are copied from Flit, +# with the author's agreement to also place them under pip's license. +def test_writable_dir(path: str) -> bool: + """Check if a directory is writable. + + Uses os.access() on POSIX, tries creating files on Windows. + """ + # If the directory doesn't exist, find the closest parent that does. + while not os.path.isdir(path): + parent = os.path.dirname(path) + if parent == path: + break # Should never get here, but infinite loops are bad + path = parent + + if os.name == "posix": + return os.access(path, os.W_OK) + + return _test_writable_dir_win(path) + + +def _test_writable_dir_win(path: str) -> bool: + # os.access doesn't work on Windows: http://bugs.python.org/issue2528 + # and we can't use tempfile: http://bugs.python.org/issue22107 + basename = "accesstest_deleteme_fishfingers_custard_" + alphabet = "abcdefghijklmnopqrstuvwxyz0123456789" + for _ in range(10): + name = basename + "".join(random.choice(alphabet) for _ in range(6)) + file = os.path.join(path, name) + try: + fd = os.open(file, os.O_RDWR | os.O_CREAT | os.O_EXCL) + except FileExistsError: + pass + except PermissionError: + # This could be because there's a directory with the same name. + # But it's highly unlikely there's a directory called that, + # so we'll assume it's because the parent dir is not writable. + # This could as well be because the parent dir is not readable, + # due to non-privileged user access. + return False + else: + os.close(fd) + os.unlink(file) + return True + + # This should never be reached + raise OSError("Unexpected condition testing for writable directory") + + +def find_files(path: str, pattern: str) -> List[str]: + """Returns a list of absolute paths of files beneath path, recursively, + with filenames which match the UNIX-style shell glob pattern.""" + result: List[str] = [] + for root, _, files in os.walk(path): + matches = fnmatch.filter(files, pattern) + result.extend(os.path.join(root, f) for f in matches) + return result + + +def file_size(path: str) -> Union[int, float]: + # If it's a symlink, return 0. + if os.path.islink(path): + return 0 + return os.path.getsize(path) + + +def format_file_size(path: str) -> str: + return format_size(file_size(path)) + + +def directory_size(path: str) -> Union[int, float]: + size = 0.0 + for root, _dirs, files in os.walk(path): + for filename in files: + file_path = os.path.join(root, filename) + size += file_size(file_path) + return size + + +def format_directory_size(path: str) -> str: + return format_size(directory_size(path)) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/filetypes.py b/.venv/Lib/site-packages/pip/_internal/utils/filetypes.py new file mode 100644 index 0000000000000000000000000000000000000000..5948570178f3e6e79d1ff574241d09d4d8ed78de --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/filetypes.py @@ -0,0 +1,27 @@ +"""Filetype information. +""" + +from typing import Tuple + +from pip._internal.utils.misc import splitext + +WHEEL_EXTENSION = ".whl" +BZ2_EXTENSIONS: Tuple[str, ...] = (".tar.bz2", ".tbz") +XZ_EXTENSIONS: Tuple[str, ...] = ( + ".tar.xz", + ".txz", + ".tlz", + ".tar.lz", + ".tar.lzma", +) +ZIP_EXTENSIONS: Tuple[str, ...] = (".zip", WHEEL_EXTENSION) +TAR_EXTENSIONS: Tuple[str, ...] = (".tar.gz", ".tgz", ".tar") +ARCHIVE_EXTENSIONS = ZIP_EXTENSIONS + BZ2_EXTENSIONS + TAR_EXTENSIONS + XZ_EXTENSIONS + + +def is_archive_file(name: str) -> bool: + """Return True if `name` is a considered as an archive file.""" + ext = splitext(name)[1].lower() + if ext in ARCHIVE_EXTENSIONS: + return True + return False diff --git a/.venv/Lib/site-packages/pip/_internal/utils/glibc.py b/.venv/Lib/site-packages/pip/_internal/utils/glibc.py new file mode 100644 index 0000000000000000000000000000000000000000..81342afa447746dbb8f060da2d454c0175f12e30 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/glibc.py @@ -0,0 +1,88 @@ +import os +import sys +from typing import Optional, Tuple + + +def glibc_version_string() -> Optional[str]: + "Returns glibc version string, or None if not using glibc." + return glibc_version_string_confstr() or glibc_version_string_ctypes() + + +def glibc_version_string_confstr() -> Optional[str]: + "Primary implementation of glibc_version_string using os.confstr." + # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely + # to be broken or missing. This strategy is used in the standard library + # platform module: + # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183 + if sys.platform == "win32": + return None + try: + gnu_libc_version = os.confstr("CS_GNU_LIBC_VERSION") + if gnu_libc_version is None: + return None + # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17": + _, version = gnu_libc_version.split() + except (AttributeError, OSError, ValueError): + # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... + return None + return version + + +def glibc_version_string_ctypes() -> Optional[str]: + "Fallback implementation of glibc_version_string using ctypes." + + try: + import ctypes + except ImportError: + return None + + # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen + # manpage says, "If filename is NULL, then the returned handle is for the + # main program". This way we can let the linker do the work to figure out + # which libc our process is actually using. + process_namespace = ctypes.CDLL(None) + try: + gnu_get_libc_version = process_namespace.gnu_get_libc_version + except AttributeError: + # Symbol doesn't exist -> therefore, we are not linked to + # glibc. + return None + + # Call gnu_get_libc_version, which returns a string like "2.5" + gnu_get_libc_version.restype = ctypes.c_char_p + version_str = gnu_get_libc_version() + # py2 / py3 compatibility: + if not isinstance(version_str, str): + version_str = version_str.decode("ascii") + + return version_str + + +# platform.libc_ver regularly returns completely nonsensical glibc +# versions. E.g. on my computer, platform says: +# +# ~$ python2.7 -c 'import platform; print(platform.libc_ver())' +# ('glibc', '2.7') +# ~$ python3.5 -c 'import platform; print(platform.libc_ver())' +# ('glibc', '2.9') +# +# But the truth is: +# +# ~$ ldd --version +# ldd (Debian GLIBC 2.22-11) 2.22 +# +# This is unfortunate, because it means that the linehaul data on libc +# versions that was generated by pip 8.1.2 and earlier is useless and +# misleading. Solution: instead of using platform, use our code that actually +# works. +def libc_ver() -> Tuple[str, str]: + """Try to determine the glibc version + + Returns a tuple of strings (lib, version) which default to empty strings + in case the lookup fails. + """ + glibc_version = glibc_version_string() + if glibc_version is None: + return ("", "") + else: + return ("glibc", glibc_version) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/hashes.py b/.venv/Lib/site-packages/pip/_internal/utils/hashes.py new file mode 100644 index 0000000000000000000000000000000000000000..843cffc6b3ddd6eb01483bcf1b5c33c717e027b6 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/hashes.py @@ -0,0 +1,151 @@ +import hashlib +from typing import TYPE_CHECKING, BinaryIO, Dict, Iterable, List, Optional + +from pip._internal.exceptions import HashMismatch, HashMissing, InstallationError +from pip._internal.utils.misc import read_chunks + +if TYPE_CHECKING: + from hashlib import _Hash + + # NoReturn introduced in 3.6.2; imported only for type checking to maintain + # pip compatibility with older patch versions of Python 3.6 + from typing import NoReturn + + +# The recommended hash algo of the moment. Change this whenever the state of +# the art changes; it won't hurt backward compatibility. +FAVORITE_HASH = "sha256" + + +# Names of hashlib algorithms allowed by the --hash option and ``pip hash`` +# Currently, those are the ones at least as collision-resistant as sha256. +STRONG_HASHES = ["sha256", "sha384", "sha512"] + + +class Hashes: + """A wrapper that builds multiple hashes at once and checks them against + known-good values + + """ + + def __init__(self, hashes: Optional[Dict[str, List[str]]] = None) -> None: + """ + :param hashes: A dict of algorithm names pointing to lists of allowed + hex digests + """ + allowed = {} + if hashes is not None: + for alg, keys in hashes.items(): + # Make sure values are always sorted (to ease equality checks) + allowed[alg] = sorted(keys) + self._allowed = allowed + + def __and__(self, other: "Hashes") -> "Hashes": + if not isinstance(other, Hashes): + return NotImplemented + + # If either of the Hashes object is entirely empty (i.e. no hash + # specified at all), all hashes from the other object are allowed. + if not other: + return self + if not self: + return other + + # Otherwise only hashes that present in both objects are allowed. + new = {} + for alg, values in other._allowed.items(): + if alg not in self._allowed: + continue + new[alg] = [v for v in values if v in self._allowed[alg]] + return Hashes(new) + + @property + def digest_count(self) -> int: + return sum(len(digests) for digests in self._allowed.values()) + + def is_hash_allowed(self, hash_name: str, hex_digest: str) -> bool: + """Return whether the given hex digest is allowed.""" + return hex_digest in self._allowed.get(hash_name, []) + + def check_against_chunks(self, chunks: Iterable[bytes]) -> None: + """Check good hashes against ones built from iterable of chunks of + data. + + Raise HashMismatch if none match. + + """ + gots = {} + for hash_name in self._allowed.keys(): + try: + gots[hash_name] = hashlib.new(hash_name) + except (ValueError, TypeError): + raise InstallationError(f"Unknown hash name: {hash_name}") + + for chunk in chunks: + for hash in gots.values(): + hash.update(chunk) + + for hash_name, got in gots.items(): + if got.hexdigest() in self._allowed[hash_name]: + return + self._raise(gots) + + def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn": + raise HashMismatch(self._allowed, gots) + + def check_against_file(self, file: BinaryIO) -> None: + """Check good hashes against a file-like object + + Raise HashMismatch if none match. + + """ + return self.check_against_chunks(read_chunks(file)) + + def check_against_path(self, path: str) -> None: + with open(path, "rb") as file: + return self.check_against_file(file) + + def has_one_of(self, hashes: Dict[str, str]) -> bool: + """Return whether any of the given hashes are allowed.""" + for hash_name, hex_digest in hashes.items(): + if self.is_hash_allowed(hash_name, hex_digest): + return True + return False + + def __bool__(self) -> bool: + """Return whether I know any known-good hashes.""" + return bool(self._allowed) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, Hashes): + return NotImplemented + return self._allowed == other._allowed + + def __hash__(self) -> int: + return hash( + ",".join( + sorted( + ":".join((alg, digest)) + for alg, digest_list in self._allowed.items() + for digest in digest_list + ) + ) + ) + + +class MissingHashes(Hashes): + """A workalike for Hashes used when we're missing a hash for a requirement + + It computes the actual hash of the requirement and raises a HashMissing + exception showing it to the user. + + """ + + def __init__(self) -> None: + """Don't offer the ``hashes`` kwarg.""" + # Pass our favorite hash in to generate a "gotten hash". With the + # empty list, it will never match, so an error will always raise. + super().__init__(hashes={FAVORITE_HASH: []}) + + def _raise(self, gots: Dict[str, "_Hash"]) -> "NoReturn": + raise HashMissing(gots[FAVORITE_HASH].hexdigest()) diff --git a/.venv/Lib/site-packages/pip/_internal/utils/inject_securetransport.py b/.venv/Lib/site-packages/pip/_internal/utils/inject_securetransport.py new file mode 100644 index 0000000000000000000000000000000000000000..276aa79bb81356cdca73af0a5851b448707784a4 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/inject_securetransport.py @@ -0,0 +1,35 @@ +"""A helper module that injects SecureTransport, on import. + +The import should be done as early as possible, to ensure all requests and +sessions (or whatever) are created after injecting SecureTransport. + +Note that we only do the injection on macOS, when the linked OpenSSL is too +old to handle TLSv1.2. +""" + +import sys + + +def inject_securetransport() -> None: + # Only relevant on macOS + if sys.platform != "darwin": + return + + try: + import ssl + except ImportError: + return + + # Checks for OpenSSL 1.0.1 + if ssl.OPENSSL_VERSION_NUMBER >= 0x1000100F: + return + + try: + from pip._vendor.urllib3.contrib import securetransport + except (ImportError, OSError): + return + + securetransport.inject_into_urllib3() + + +inject_securetransport() diff --git a/.venv/Lib/site-packages/pip/_internal/utils/logging.py b/.venv/Lib/site-packages/pip/_internal/utils/logging.py new file mode 100644 index 0000000000000000000000000000000000000000..c10e1f4ced6bcc799799b62666695998e095bbaf --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/logging.py @@ -0,0 +1,348 @@ +import contextlib +import errno +import logging +import logging.handlers +import os +import sys +import threading +from dataclasses import dataclass +from io import TextIOWrapper +from logging import Filter +from typing import Any, ClassVar, Generator, List, Optional, TextIO, Type + +from pip._vendor.rich.console import ( + Console, + ConsoleOptions, + ConsoleRenderable, + RenderableType, + RenderResult, + RichCast, +) +from pip._vendor.rich.highlighter import NullHighlighter +from pip._vendor.rich.logging import RichHandler +from pip._vendor.rich.segment import Segment +from pip._vendor.rich.style import Style + +from pip._internal.utils._log import VERBOSE, getLogger +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX +from pip._internal.utils.misc import ensure_dir + +_log_state = threading.local() +subprocess_logger = getLogger("pip.subprocessor") + + +class BrokenStdoutLoggingError(Exception): + """ + Raised if BrokenPipeError occurs for the stdout stream while logging. + """ + + +def _is_broken_pipe_error(exc_class: Type[BaseException], exc: BaseException) -> bool: + if exc_class is BrokenPipeError: + return True + + # On Windows, a broken pipe can show up as EINVAL rather than EPIPE: + # https://bugs.python.org/issue19612 + # https://bugs.python.org/issue30418 + if not WINDOWS: + return False + + return isinstance(exc, OSError) and exc.errno in (errno.EINVAL, errno.EPIPE) + + +@contextlib.contextmanager +def indent_log(num: int = 2) -> Generator[None, None, None]: + """ + A context manager which will cause the log output to be indented for any + log messages emitted inside it. + """ + # For thread-safety + _log_state.indentation = get_indentation() + _log_state.indentation += num + try: + yield + finally: + _log_state.indentation -= num + + +def get_indentation() -> int: + return getattr(_log_state, "indentation", 0) + + +class IndentingFormatter(logging.Formatter): + default_time_format = "%Y-%m-%dT%H:%M:%S" + + def __init__( + self, + *args: Any, + add_timestamp: bool = False, + **kwargs: Any, + ) -> None: + """ + A logging.Formatter that obeys the indent_log() context manager. + + :param add_timestamp: A bool indicating output lines should be prefixed + with their record's timestamp. + """ + self.add_timestamp = add_timestamp + super().__init__(*args, **kwargs) + + def get_message_start(self, formatted: str, levelno: int) -> str: + """ + Return the start of the formatted log message (not counting the + prefix to add to each line). + """ + if levelno < logging.WARNING: + return "" + if formatted.startswith(DEPRECATION_MSG_PREFIX): + # Then the message already has a prefix. We don't want it to + # look like "WARNING: DEPRECATION: ...." + return "" + if levelno < logging.ERROR: + return "WARNING: " + + return "ERROR: " + + def format(self, record: logging.LogRecord) -> str: + """ + Calls the standard formatter, but will indent all of the log message + lines by our current indentation level. + """ + formatted = super().format(record) + message_start = self.get_message_start(formatted, record.levelno) + formatted = message_start + formatted + + prefix = "" + if self.add_timestamp: + prefix = f"{self.formatTime(record)} " + prefix += " " * get_indentation() + formatted = "".join([prefix + line for line in formatted.splitlines(True)]) + return formatted + + +@dataclass +class IndentedRenderable: + renderable: RenderableType + indent: int + + def __rich_console__( + self, console: Console, options: ConsoleOptions + ) -> RenderResult: + segments = console.render(self.renderable, options) + lines = Segment.split_lines(segments) + for line in lines: + yield Segment(" " * self.indent) + yield from line + yield Segment("\n") + + +class RichPipStreamHandler(RichHandler): + KEYWORDS: ClassVar[Optional[List[str]]] = [] + + def __init__(self, stream: Optional[TextIO], no_color: bool) -> None: + super().__init__( + console=Console(file=stream, no_color=no_color, soft_wrap=True), + show_time=False, + show_level=False, + show_path=False, + highlighter=NullHighlighter(), + ) + + # Our custom override on Rich's logger, to make things work as we need them to. + def emit(self, record: logging.LogRecord) -> None: + style: Optional[Style] = None + + # If we are given a diagnostic error to present, present it with indentation. + assert isinstance(record.args, tuple) + if record.msg == "[present-rich] %s" and len(record.args) == 1: + rich_renderable = record.args[0] + assert isinstance( + rich_renderable, (ConsoleRenderable, RichCast, str) + ), f"{rich_renderable} is not rich-console-renderable" + + renderable: RenderableType = IndentedRenderable( + rich_renderable, indent=get_indentation() + ) + else: + message = self.format(record) + renderable = self.render_message(record, message) + if record.levelno is not None: + if record.levelno >= logging.ERROR: + style = Style(color="red") + elif record.levelno >= logging.WARNING: + style = Style(color="yellow") + + try: + self.console.print(renderable, overflow="ignore", crop=False, style=style) + except Exception: + self.handleError(record) + + def handleError(self, record: logging.LogRecord) -> None: + """Called when logging is unable to log some output.""" + + exc_class, exc = sys.exc_info()[:2] + # If a broken pipe occurred while calling write() or flush() on the + # stdout stream in logging's Handler.emit(), then raise our special + # exception so we can handle it in main() instead of logging the + # broken pipe error and continuing. + if ( + exc_class + and exc + and self.console.file is sys.stdout + and _is_broken_pipe_error(exc_class, exc) + ): + raise BrokenStdoutLoggingError() + + return super().handleError(record) + + +class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler): + def _open(self) -> TextIOWrapper: + ensure_dir(os.path.dirname(self.baseFilename)) + return super()._open() + + +class MaxLevelFilter(Filter): + def __init__(self, level: int) -> None: + self.level = level + + def filter(self, record: logging.LogRecord) -> bool: + return record.levelno < self.level + + +class ExcludeLoggerFilter(Filter): + + """ + A logging Filter that excludes records from a logger (or its children). + """ + + def filter(self, record: logging.LogRecord) -> bool: + # The base Filter class allows only records from a logger (or its + # children). + return not super().filter(record) + + +def setup_logging(verbosity: int, no_color: bool, user_log_file: Optional[str]) -> int: + """Configures and sets up all of the logging + + Returns the requested logging level, as its integer value. + """ + + # Determine the level to be logging at. + if verbosity >= 2: + level_number = logging.DEBUG + elif verbosity == 1: + level_number = VERBOSE + elif verbosity == -1: + level_number = logging.WARNING + elif verbosity == -2: + level_number = logging.ERROR + elif verbosity <= -3: + level_number = logging.CRITICAL + else: + level_number = logging.INFO + + level = logging.getLevelName(level_number) + + # The "root" logger should match the "console" level *unless* we also need + # to log to a user log file. + include_user_log = user_log_file is not None + if include_user_log: + additional_log_file = user_log_file + root_level = "DEBUG" + else: + additional_log_file = "/dev/null" + root_level = level + + # Disable any logging besides WARNING unless we have DEBUG level logging + # enabled for vendored libraries. + vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG" + + # Shorthands for clarity + log_streams = { + "stdout": "ext://sys.stdout", + "stderr": "ext://sys.stderr", + } + handler_classes = { + "stream": "pip._internal.utils.logging.RichPipStreamHandler", + "file": "pip._internal.utils.logging.BetterRotatingFileHandler", + } + handlers = ["console", "console_errors", "console_subprocess"] + ( + ["user_log"] if include_user_log else [] + ) + + logging.config.dictConfig( + { + "version": 1, + "disable_existing_loggers": False, + "filters": { + "exclude_warnings": { + "()": "pip._internal.utils.logging.MaxLevelFilter", + "level": logging.WARNING, + }, + "restrict_to_subprocess": { + "()": "logging.Filter", + "name": subprocess_logger.name, + }, + "exclude_subprocess": { + "()": "pip._internal.utils.logging.ExcludeLoggerFilter", + "name": subprocess_logger.name, + }, + }, + "formatters": { + "indent": { + "()": IndentingFormatter, + "format": "%(message)s", + }, + "indent_with_timestamp": { + "()": IndentingFormatter, + "format": "%(message)s", + "add_timestamp": True, + }, + }, + "handlers": { + "console": { + "level": level, + "class": handler_classes["stream"], + "no_color": no_color, + "stream": log_streams["stdout"], + "filters": ["exclude_subprocess", "exclude_warnings"], + "formatter": "indent", + }, + "console_errors": { + "level": "WARNING", + "class": handler_classes["stream"], + "no_color": no_color, + "stream": log_streams["stderr"], + "filters": ["exclude_subprocess"], + "formatter": "indent", + }, + # A handler responsible for logging to the console messages + # from the "subprocessor" logger. + "console_subprocess": { + "level": level, + "class": handler_classes["stream"], + "stream": log_streams["stderr"], + "no_color": no_color, + "filters": ["restrict_to_subprocess"], + "formatter": "indent", + }, + "user_log": { + "level": "DEBUG", + "class": handler_classes["file"], + "filename": additional_log_file, + "encoding": "utf-8", + "delay": True, + "formatter": "indent_with_timestamp", + }, + }, + "root": { + "level": root_level, + "handlers": handlers, + }, + "loggers": {"pip._vendor": {"level": vendored_log_level}}, + } + ) + + return level_number diff --git a/.venv/Lib/site-packages/pip/_internal/utils/misc.py b/.venv/Lib/site-packages/pip/_internal/utils/misc.py new file mode 100644 index 0000000000000000000000000000000000000000..bd191c4e14f389d6d0f799dfef9c5c0221a8c568 --- /dev/null +++ b/.venv/Lib/site-packages/pip/_internal/utils/misc.py @@ -0,0 +1,735 @@ +import contextlib +import errno +import getpass +import hashlib +import io +import logging +import os +import posixpath +import shutil +import stat +import sys +import sysconfig +import urllib.parse +from io import StringIO +from itertools import filterfalse, tee, zip_longest +from types import TracebackType +from typing import ( + Any, + BinaryIO, + Callable, + ContextManager, + Dict, + Generator, + Iterable, + Iterator, + List, + Optional, + TextIO, + Tuple, + Type, + TypeVar, + Union, + cast, +) + +from pip._vendor.pyproject_hooks import BuildBackendHookCaller +from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed + +from pip import __version__ +from pip._internal.exceptions import CommandError, ExternallyManagedEnvironment +from pip._internal.locations import get_major_minor_version +from pip._internal.utils.compat import WINDOWS +from pip._internal.utils.virtualenv import running_under_virtualenv + +__all__ = [ + "rmtree", + "display_path", + "backup_dir", + "ask", + "splitext", + "format_size", + "is_installable_dir", + "normalize_path", + "renames", + "get_prog", + "captured_stdout", + "ensure_dir", + "remove_auth_from_url", + "check_externally_managed", + "ConfiguredBuildBackendHookCaller", +] + +logger = logging.getLogger(__name__) + +T = TypeVar("T") +ExcInfo = Tuple[Type[BaseException], BaseException, TracebackType] +VersionInfo = Tuple[int, int, int] +NetlocTuple = Tuple[str, Tuple[Optional[str], Optional[str]]] + + +def get_pip_version() -> str: + pip_pkg_dir = os.path.join(os.path.dirname(__file__), "..", "..") + pip_pkg_dir = os.path.abspath(pip_pkg_dir) + + return "pip {} from {} (python {})".format( + __version__, + pip_pkg_dir, + get_major_minor_version(), + ) + + +def normalize_version_info(py_version_info: Tuple[int, ...]) -> Tuple[int, int, int]: + """ + Convert a tuple of ints representing a Python version to one of length + three. + + :param py_version_info: a tuple of ints representing a Python version, + or None to specify no version. The tuple can have any length. + + :return: a tuple of length three if `py_version_info` is non-None. + Otherwise, return `py_version_info` unchanged (i.e. None). + """ + if len(py_version_info) < 3: + py_version_info += (3 - len(py_version_info)) * (0,) + elif len(py_version_info) > 3: + py_version_info = py_version_info[:3] + + return cast("VersionInfo", py_version_info) + + +def ensure_dir(path: str) -> None: + """os.path.makedirs without EEXIST.""" + try: + os.makedirs(path) + except OSError as e: + # Windows can raise spurious ENOTEMPTY errors. See #6426. + if e.errno != errno.EEXIST and e.errno != errno.ENOTEMPTY: + raise + + +def get_prog() -> str: + try: + prog = os.path.basename(sys.argv[0]) + if prog in ("__main__.py", "-c"): + return f"{sys.executable} -m pip" + else: + return prog + except (AttributeError, TypeError, IndexError): + pass + return "pip" + + +# Retry every half second for up to 3 seconds +# Tenacity raises RetryError by default, explicitly raise the original exception +@retry(reraise=True, stop=stop_after_delay(3), wait=wait_fixed(0.5)) +def rmtree(dir: str, ignore_errors: bool = False) -> None: + if sys.version_info >= (3, 12): + shutil.rmtree(dir, ignore_errors=ignore_errors, onexc=rmtree_errorhandler) + else: + shutil.rmtree(dir, ignore_errors=ignore_errors, onerror=rmtree_errorhandler) + + +def rmtree_errorhandler( + func: Callable[..., Any], path: str, exc_info: Union[ExcInfo, BaseException] +) -> None: + """On Windows, the files in .svn are read-only, so when rmtree() tries to + remove them, an exception is thrown. We catch that here, remove the + read-only attribute, and hopefully continue without problems.""" + try: + has_attr_readonly = not (os.stat(path).st_mode & stat.S_IWRITE) + except OSError: + # it's equivalent to os.path.exists + return + + if has_attr_readonly: + # convert to read/write + os.chmod(path, stat.S_IWRITE) + # use the original function to repeat the operation + func(path) + return + else: + raise + + +def display_path(path: str) -> str: + """Gives the display value for a given path, making it relative to cwd + if possible.""" + path = os.path.normcase(os.path.abspath(path)) + if path.startswith(os.getcwd() + os.path.sep): + path = "." + path[len(os.getcwd()) :] + return path + + +def backup_dir(dir: str, ext: str = ".bak") -> str: + """Figure out the name of a directory to back up the given dir to + (adding .bak, .bak2, etc)""" + n = 1 + extension = ext + while os.path.exists(dir + extension): + n += 1 + extension = ext + str(n) + return dir + extension + + +def ask_path_exists(message: str, options: Iterable[str]) -> str: + for action in os.environ.get("PIP_EXISTS_ACTION", "").split(): + if action in options: + return action + return ask(message, options) + + +def _check_no_input(message: str) -> None: + """Raise an error if no input is allowed.""" + if os.environ.get("PIP_NO_INPUT"): + raise Exception( + f"No input was expected ($PIP_NO_INPUT set); question: {message}" + ) + + +def ask(message: str, options: Iterable[str]) -> str: + """Ask the message interactively, with the given possible responses""" + while 1: + _check_no_input(message) + response = input(message) + response = response.strip().lower() + if response not in options: + print( + "Your response ({!r}) was not one of the expected responses: " + "{}".format(response, ", ".join(options)) + ) + else: + return response + + +def ask_input(message: str) -> str: + """Ask for input interactively.""" + _check_no_input(message) + return input(message) + + +def ask_password(message: str) -> str: + """Ask for a password interactively.""" + _check_no_input(message) + return getpass.getpass(message) + + +def strtobool(val: str) -> int: + """Convert a string representation of truth to true (1) or false (0). + + True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values + are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if + 'val' is anything else. + """ + val = val.lower() + if val in ("y", "yes", "t", "true", "on", "1"): + return 1 + elif val in ("n", "no", "f", "false", "off", "0"): + return 0 + else: + raise ValueError(f"invalid truth value {val!r}") + + +def format_size(bytes: float) -> str: + if bytes > 1000 * 1000: + return "{:.1f} MB".format(bytes / 1000.0 / 1000) + elif bytes > 10 * 1000: + return "{} kB".format(int(bytes / 1000)) + elif bytes > 1000: + return "{:.1f} kB".format(bytes / 1000.0) + else: + return "{} bytes".format(int(bytes)) + + +def tabulate(rows: Iterable[Iterable[Any]]) -> Tuple[List[str], List[int]]: + """Return a list of formatted rows and a list of column sizes. + + For example:: + + >>> tabulate([['foobar', 2000], [0xdeadbeef]]) + (['foobar 2000', '3735928559'], [10, 4]) + """ + rows = [tuple(map(str, row)) for row in rows] + sizes = [max(map(len, col)) for col in zip_longest(*rows, fillvalue="")] + table = [" ".join(map(str.ljust, row, sizes)).rstrip() for row in rows] + return table, sizes + + +def is_installable_dir(path: str) -> bool: + """Is path is a directory containing pyproject.toml or setup.py? + + If pyproject.toml exists, this is a PEP 517 project. Otherwise we look for + a legacy setuptools layout by identifying setup.py. We don't check for the + setup.cfg because using it without setup.py is only available for PEP 517 + projects, which are already covered by the pyproject.toml check. + """ + if not os.path.isdir(path): + return False + if os.path.isfile(os.path.join(path, "pyproject.toml")): + return True + if os.path.isfile(os.path.join(path, "setup.py")): + return True + return False + + +def read_chunks( + file: BinaryIO, size: int = io.DEFAULT_BUFFER_SIZE +) -> Generator[bytes, None, None]: + """Yield pieces of data from a file-like object until EOF.""" + while True: + chunk = file.read(size) + if not chunk: + break + yield chunk + + +def normalize_path(path: str, resolve_symlinks: bool = True) -> str: + """ + Convert a path to its canonical, case-normalized, absolute version. + + """ + path = os.path.expanduser(path) + if resolve_symlinks: + path = os.path.realpath(path) + else: + path = os.path.abspath(path) + return os.path.normcase(path) + + +def splitext(path: str) -> Tuple[str, str]: + """Like os.path.splitext, but take off .tar too""" + base, ext = posixpath.splitext(path) + if base.lower().endswith(".tar"): + ext = base[-4:] + ext + base = base[:-4] + return base, ext + + +def renames(old: str, new: str) -> None: + """Like os.renames(), but handles renaming across devices.""" + # Implementation borrowed from os.renames(). + head, tail = os.path.split(new) + if head and tail and not os.path.exists(head): + os.makedirs(head) + + shutil.move(old, new) + + head, tail = os.path.split(old) + if head and tail: + try: + os.removedirs(head) + except OSError: + pass + + +def is_local(path: str) -> bool: + """ + Return True if path is within sys.prefix, if we're running in a virtualenv. + + If we're not in a virtualenv, all paths are considered "local." + + Caution: this function assumes the head of path has been normalized + with normalize_path. + """ + if not running_under_virtualenv(): + return True + return path.startswith(normalize_path(sys.prefix)) + + +def write_output(msg: Any, *args: Any) -> None: + logger.info(msg, *args) + + +class StreamWrapper(StringIO): + orig_stream: TextIO + + @classmethod + def from_stream(cls, orig_stream: TextIO) -> "StreamWrapper": + ret = cls() + ret.orig_stream = orig_stream + return ret + + # compileall.compile_dir() needs stdout.encoding to print to stdout + # type ignore is because TextIOBase.encoding is writeable + @property + def encoding(self) -> str: # type: ignore + return self.orig_stream.encoding + + +@contextlib.contextmanager +def captured_output(stream_name: str) -> Generator[StreamWrapper, None, None]: + """Return a context manager used by captured_stdout/stdin/stderr + that temporarily replaces the sys stream *stream_name* with a StringIO. + + Taken from Lib/support/__init__.py in the CPython repo. + """ + orig_stdout = getattr(sys, stream_name) + setattr(sys, stream_name, StreamWrapper.from_stream(orig_stdout)) + try: + yield getattr(sys, stream_name) + finally: + setattr(sys, stream_name, orig_stdout) + + +def captured_stdout() -> ContextManager[StreamWrapper]: + """Capture the output of sys.stdout: + + with captured_stdout() as stdout: + print('hello') + self.assertEqual(stdout.getvalue(), 'hello\n') + + Taken from Lib/support/__init__.py in the CPython repo. + """ + return captured_output("stdout") + + +def captured_stderr() -> ContextManager[StreamWrapper]: + """ + See captured_stdout(). + """ + return captured_output("stderr") + + +# Simulates an enum +def enum(*sequential: Any, **named: Any) -> Type[Any]: + enums = dict(zip(sequential, range(len(sequential))), **named) + reverse = {value: key for key, value in enums.items()} + enums["reverse_mapping"] = reverse + return type("Enum", (), enums) + + +def build_netloc(host: str, port: Optional[int]) -> str: + """ + Build a netloc from a host-port pair + """ + if port is None: + return host + if ":" in host: + # Only wrap host with square brackets when it is IPv6 + host = f"[{host}]" + return f"{host}:{port}" + + +def build_url_from_netloc(netloc: str, scheme: str = "https") -> str: + """ + Build a full URL from a netloc. + """ + if netloc.count(":") >= 2 and "@" not in netloc and "[" not in netloc: + # It must be a bare IPv6 address, so wrap it with brackets. + netloc = f"[{netloc}]" + return f"{scheme}://{netloc}" + + +def parse_netloc(netloc: str) -> Tuple[Optional[str], Optional[int]]: + """ + Return the host-port pair from a netloc. + """ + url = build_url_from_netloc(netloc) + parsed = urllib.parse.urlparse(url) + return parsed.hostname, parsed.port + + +def split_auth_from_netloc(netloc: str) -> NetlocTuple: + """ + Parse out and remove the auth information from a netloc. + + Returns: (netloc, (username, password)). + """ + if "@" not in netloc: + return netloc, (None, None) + + # Split from the right because that's how urllib.parse.urlsplit() + # behaves if more than one @ is present (which can be checked using + # the password attribute of urlsplit()'s return value). + auth, netloc = netloc.rsplit("@", 1) + pw: Optional[str] = None + if ":" in auth: + # Split from the left because that's how urllib.parse.urlsplit() + # behaves if more than one : is present (which again can be checked + # using the password attribute of the return value) + user, pw = auth.split(":", 1) + else: + user, pw = auth, None + + user = urllib.parse.unquote(user) + if pw is not None: + pw = urllib.parse.unquote(pw) + + return netloc, (user, pw) + + +def redact_netloc(netloc: str) -> str: + """ + Replace the sensitive data in a netloc with "****", if it exists. + + For example: + - "user:pass@example.com" returns "user:****@example.com" + - "accesstoken@example.com" returns "****@example.com" + """ + netloc, (user, password) = split_auth_from_netloc(netloc) + if user is None: + return netloc + if password is None: + user = "****" + password = "" + else: + user = urllib.parse.quote(user) + password = ":****" + return "{user}{password}@{netloc}".format( + user=user, password=password, netloc=netloc + ) + + +def _transform_url( + url: str, transform_netloc: Callable[[str], Tuple[Any, ...]] +) -> Tuple[str, NetlocTuple]: + """Transform and replace netloc in a url. + + transform_netloc is a function taking the netloc and returning a + tuple. The first element of this tuple is the new netloc. The + entire tuple is returned. + + Returns a tuple containing the transformed url as item 0 and the + original tuple returned by transform_netloc as item 1. + """ + purl = urllib.parse.urlsplit(url) + netloc_tuple = transform_netloc(purl.netloc) + # stripped url + url_pieces = (purl.scheme, netloc_tuple[0], purl.path, purl.query, purl.fragment) + surl = urllib.parse.urlunsplit(url_pieces) + return surl, cast("NetlocTuple", netloc_tuple) + + +def _get_netloc(netloc: str) -> NetlocTuple: + return split_auth_from_netloc(netloc) + + +def _redact_netloc(netloc: str) -> Tuple[str]: + return (redact_netloc(netloc),) + + +def split_auth_netloc_from_url( + url: str, +) -> Tuple[str, str, Tuple[Optional[str], Optional[str]]]: + """ + Parse a url into separate netloc, auth, and url with no auth. + + Returns: (url_without_auth, netloc, (username, password)) + """ + url_without_auth, (netloc, auth) = _transform_url(url, _get_netloc) + return url_without_auth, netloc, auth + + +def remove_auth_from_url(url: str) -> str: + """Return a copy of url with 'username:password@' removed.""" + # username/pass params are passed to subversion through flags + # and are not recognized in the url. + return _transform_url(url, _get_netloc)[0] + + +def redact_auth_from_url(url: str) -> str: + """Replace the password in a given url with ****.""" + return _transform_url(url, _redact_netloc)[0] + + +class HiddenText: + def __init__(self, secret: str, redacted: str) -> None: + self.secret = secret + self.redacted = redacted + + def __repr__(self) -> str: + return "".format(str(self)) + + def __str__(self) -> str: + return self.redacted + + # This is useful for testing. + def __eq__(self, other: Any) -> bool: + if type(self) != type(other): + return False + + # The string being used for redaction doesn't also have to match, + # just the raw, original string. + return self.secret == other.secret + + +def hide_value(value: str) -> HiddenText: + return HiddenText(value, redacted="****") + + +def hide_url(url: str) -> HiddenText: + redacted = redact_auth_from_url(url) + return HiddenText(url, redacted=redacted) + + +def protect_pip_from_modification_on_windows(modifying_pip: bool) -> None: + """Protection of pip.exe from modification on Windows + + On Windows, any operation modifying pip should be run as: + python -m pip ... + """ + pip_names = [ + "pip", + f"pip{sys.version_info.major}", + f"pip{sys.version_info.major}.{sys.version_info.minor}", + ] + + # See https://github.com/pypa/pip/issues/1299 for more discussion + should_show_use_python_msg = ( + modifying_pip and WINDOWS and os.path.basename(sys.argv[0]) in pip_names + ) + + if should_show_use_python_msg: + new_command = [sys.executable, "-m", "pip"] + sys.argv[1:] + raise CommandError( + "To modify pip, please run the following command:\n{}".format( + " ".join(new_command) + ) + ) + + +def check_externally_managed() -> None: + """Check whether the current environment is externally managed. + + If the ``EXTERNALLY-MANAGED`` config file is found, the current environment + is considered externally managed, and an ExternallyManagedEnvironment is + raised. + """ + if running_under_virtualenv(): + return + marker = os.path.join(sysconfig.get_path("stdlib"), "EXTERNALLY-MANAGED") + if not os.path.isfile(marker): + return + raise ExternallyManagedEnvironment.from_config(marker) + + +def is_console_interactive() -> bool: + """Is this console interactive?""" + return sys.stdin is not None and sys.stdin.isatty() + + +def hash_file(path: str, blocksize: int = 1 << 20) -> Tuple[Any, int]: + """Return (hash, length) for path using hashlib.sha256()""" + + h = hashlib.sha256() + length = 0 + with open(path, "rb") as f: + for block in read_chunks(f, size=blocksize): + length += len(block) + h.update(block) + return h, length + + +def pairwise(iterable: Iterable[Any]) -> Iterator[Tuple[Any, Any]]: + """ + Return paired elements. + + For example: + s -> (s0, s1), (s2, s3), (s4, s5), ... + """ + iterable = iter(iterable) + return zip_longest(iterable, iterable) + + +def partition( + pred: Callable[[T], bool], + iterable: Iterable[T], +) -> Tuple[Iterable[T], Iterable[T]]: + """ + Use a predicate to partition entries into false entries and true entries, + like + + partition(is_odd, range(10)) --> 0 2 4 6 8 and 1 3 5 7 9 + """ + t1, t2 = tee(iterable) + return filterfalse(pred, t1), filter(pred, t2) + + +class ConfiguredBuildBackendHookCaller(BuildBackendHookCaller): + def __init__( + self, + config_holder: Any, + source_dir: str, + build_backend: str, + backend_path: Optional[str] = None, + runner: Optional[Callable[..., None]] = None, + python_executable: Optional[str] = None, + ): + super().__init__( + source_dir, build_backend, backend_path, runner, python_executable + ) + self.config_holder = config_holder + + def build_wheel( + self, + wheel_directory: str, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + metadata_directory: Optional[str] = None, + ) -> str: + cs = self.config_holder.config_settings + return super().build_wheel( + wheel_directory, config_settings=cs, metadata_directory=metadata_directory + ) + + def build_sdist( + self, + sdist_directory: str, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + ) -> str: + cs = self.config_holder.config_settings + return super().build_sdist(sdist_directory, config_settings=cs) + + def build_editable( + self, + wheel_directory: str, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + metadata_directory: Optional[str] = None, + ) -> str: + cs = self.config_holder.config_settings + return super().build_editable( + wheel_directory, config_settings=cs, metadata_directory=metadata_directory + ) + + def get_requires_for_build_wheel( + self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None + ) -> List[str]: + cs = self.config_holder.config_settings + return super().get_requires_for_build_wheel(config_settings=cs) + + def get_requires_for_build_sdist( + self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None + ) -> List[str]: + cs = self.config_holder.config_settings + return super().get_requires_for_build_sdist(config_settings=cs) + + def get_requires_for_build_editable( + self, config_settings: Optional[Dict[str, Union[str, List[str]]]] = None + ) -> List[str]: + cs = self.config_holder.config_settings + return super().get_requires_for_build_editable(config_settings=cs) + + def prepare_metadata_for_build_wheel( + self, + metadata_directory: str, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + _allow_fallback: bool = True, + ) -> str: + cs = self.config_holder.config_settings + return super().prepare_metadata_for_build_wheel( + metadata_directory=metadata_directory, + config_settings=cs, + _allow_fallback=_allow_fallback, + ) + + def prepare_metadata_for_build_editable( + self, + metadata_directory: str, + config_settings: Optional[Dict[str, Union[str, List[str]]]] = None, + _allow_fallback: bool = True, + ) -> str: + cs = self.config_holder.config_settings + return super().prepare_metadata_for_build_editable( + metadata_directory=metadata_directory, + config_settings=cs, + _allow_fallback=_allow_fallback, + ) diff --git a/.venv/Lib/site-packages/pip/py.typed b/.venv/Lib/site-packages/pip/py.typed new file mode 100644 index 0000000000000000000000000000000000000000..493b53e4e7a3984ddd49780313bf3bd9901dc1e0 --- /dev/null +++ b/.venv/Lib/site-packages/pip/py.typed @@ -0,0 +1,4 @@ +pip is a command line program. While it is implemented in Python, and so is +available for import, you must not use pip's internal APIs in this way. Typing +information is provided as a convenience only and is not a guarantee. Expect +unannounced changes to the API and types in releases. diff --git a/.venv/Lib/site-packages/setuptools-68.2.0.virtualenv b/.venv/Lib/site-packages/setuptools-68.2.0.virtualenv new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/Lib/site-packages/wheel-0.41.2.virtualenv b/.venv/Lib/site-packages/wheel-0.41.2.virtualenv new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/pyvenv.cfg b/.venv/pyvenv.cfg new file mode 100644 index 0000000000000000000000000000000000000000..56e71df7b3b62f465040620718ed26b5b49181d4 --- /dev/null +++ b/.venv/pyvenv.cfg @@ -0,0 +1,8 @@ +home = C:\Program Files\Python310 +implementation = CPython +version_info = 3.10.6.final.0 +virtualenv = 20.24.5 +include-system-site-packages = false +base-prefix = C:\Program Files\Python310 +base-exec-prefix = C:\Program Files\Python310 +base-executable = C:\Program Files\Python310\python.exe