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+import functools
+import logging
+import os
+import shutil
+import sys
+import uuid
+import zipfile
+from optparse import Values
+from pathlib import Path
+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, PreviousBuildDirError
+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,
+ is_installable_dir,
+ redact_auth_from_requirement,
+ redact_auth_from_url,
+)
+from pip._internal.utils.packaging import get_requirement
+from pip._internal.utils.subprocess import runner_with_spinner_message
+from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
+from pip._internal.utils.unpacking import unpack_file
+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 = 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
+
+ # If config settings are provided, enforce PEP 517.
+ if self.config_settings:
+ if self.use_pep517 is False:
+ logger.warning(
+ "--no-use-pep517 ignored for %s "
+ "because --config-settings are specified.",
+ self,
+ )
+ self.use_pep517 = True
+
+ # This requirement needs more preparation before it can be built
+ self.needs_more_preparation = False
+
+ # This requirement needs to be unpacked before it can be installed.
+ self._archive_source: Optional[Path] = None
+
+ def __str__(self) -> str:
+ if self.req:
+ s = redact_auth_from_requirement(self.req)
+ if self.link:
+ s += f" from {redact_auth_from_url(self.link.url)}"
+ elif self.link:
+ s = redact_auth_from_url(self.link.url)
+ else:
+ s = "<InstallRequirement>"
+ if self.satisfied_by is not None:
+ if self.satisfied_by.location is not None:
+ location = display_path(self.satisfied_by.location)
+ else:
+ location = "<memory>"
+ 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 (
+ f"<{self.__class__.__name__} object: "
+ f"{str(self)} editable={self.editable!r}>"
+ )
+
+ def format_debug(self) -> str:
+ """An un-tested helper for getting state, for debugging."""
+ attributes = vars(self)
+ names = sorted(attributes)
+
+ state = (f"{attr}={attributes[attr]!r}" 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.cached_property
+ 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:
+ assert self.req is not None
+ 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.
+ """
+ assert self.req is not None
+ specifiers = self.req.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:
+ assert link.hash_name is not None
+ 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:
+ comes_from: Optional[str]
+ 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.req.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 = get_requirement(
+ "".join(
+ [
+ self.metadata["Name"],
+ op,
+ self.metadata["Version"],
+ ]
+ )
+ )
+
+ def warn_on_mismatching_name(self) -> None:
+ assert self.req is not 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 = get_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:
+ assert self.source_dir, f"No source dir for {self}"
+ 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:
+ assert not self.config_settings
+ 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, f"No source dir for {self}"
+ 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:
+ assert self.req is not None
+ return get_wheel_distribution(
+ FilesystemWheel(self.local_file_path),
+ canonicalize_name(self.req.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, f"No source dir for {self}"
+ version = self.metadata["version"]
+ if self.req and 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,
+ )
+
+ def needs_unpacked_archive(self, archive_source: Path) -> None:
+ assert self._archive_source is None
+ self._archive_source = archive_source
+
+ def ensure_pristine_source_checkout(self) -> None:
+ """Ensure the source directory has not yet been built in."""
+ assert self.source_dir is not None
+ if self._archive_source is not None:
+ unpack_file(str(self._archive_source), self.source_dir)
+ elif is_installable_dir(self.source_dir):
+ # If a checkout exists, it's unwise to keep going.
+ # version inconsistencies are logged later, but do not fail
+ # the installation.
+ raise PreviousBuildDirError(
+ f"pip can't proceed with requirements '{self}' due to a "
+ f"pre-existing build directory ({self.source_dir}). 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."
+ )
+
+ # 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
+
+ assert self.req is not None
+ path = os.path.join(parentdir, path)
+ name = _clean_zip_name(path, rootdir)
+ return self.req.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(
+ f"The file {display_path(archive_path)} exists. (i)gnore, (w)ipe, "
+ "(b)ackup, (a)bort ",
+ ("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:
+ assert self.req is not None
+ scheme = get_scheme(
+ self.req.name,
+ user=use_user_site,
+ home=home,
+ root=root,
+ isolated=self.isolated,
+ prefix=prefix,
+ )
+
+ if self.editable and not self.is_wheel:
+ deprecated(
+ reason=(
+ f"Legacy editable install of {self} (setup.py develop) "
+ "is deprecated."
+ ),
+ replacement=(
+ "to add a pyproject.toml or enable --use-pep517, "
+ "and use setuptools >= 64. "
+ "If the resulting installation is not behaving as expected, "
+ "try using --config-settings editable_mode=compat. "
+ "Please consult the setuptools documentation for more information"
+ ),
+ gone_in="25.1",
+ issue=11457,
+ )
+ if self.config_settings:
+ logger.warning(
+ "--config-settings ignored for legacy editable install of %s. "
+ "Consider upgrading to a version of setuptools "
+ "that supports PEP 660 (>= 64).",
+ self,
+ )
+ 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.req.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.req.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=None,
+ )
+ logger.warning(
+ "Implying --no-binary=:all: due to the presence of "
+ "--build-option / --global-option. "
+ )
+ options.format_control.disallow_binaries()