mirror of https://github.com/pypa/pip
904 lines
32 KiB
Python
904 lines
32 KiB
Python
# The following comment should be removed at some point in the future.
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# mypy: strict-optional=False
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from __future__ import absolute_import
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import logging
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import os
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import shutil
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import sys
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import uuid
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import zipfile
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from pip._vendor import pkg_resources, six
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from pip._vendor.packaging.requirements import Requirement
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from pip._vendor.packaging.utils import canonicalize_name
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from pip._vendor.packaging.version import Version
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from pip._vendor.packaging.version import parse as parse_version
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from pip._vendor.pep517.wrappers import Pep517HookCaller
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from pip._internal.build_env import NoOpBuildEnvironment
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from pip._internal.exceptions import InstallationError
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from pip._internal.locations import get_scheme
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from pip._internal.models.link import Link
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from pip._internal.operations.build.metadata import generate_metadata
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from pip._internal.operations.build.metadata_legacy import (
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generate_metadata as generate_metadata_legacy,
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)
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from pip._internal.operations.install.editable_legacy import (
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install_editable as install_editable_legacy,
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)
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from pip._internal.operations.install.legacy import LegacyInstallFailure
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from pip._internal.operations.install.legacy import install as install_legacy
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from pip._internal.operations.install.wheel import install_wheel
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from pip._internal.pyproject import load_pyproject_toml, make_pyproject_path
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from pip._internal.req.req_uninstall import UninstallPathSet
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from pip._internal.utils.deprecation import deprecated
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from pip._internal.utils.direct_url_helpers import direct_url_from_link
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from pip._internal.utils.hashes import Hashes
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from pip._internal.utils.logging import indent_log
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from pip._internal.utils.misc import (
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ask_path_exists,
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backup_dir,
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display_path,
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dist_in_site_packages,
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dist_in_usersite,
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get_distribution,
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get_installed_version,
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hide_url,
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redact_auth_from_url,
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)
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from pip._internal.utils.packaging import get_metadata
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from pip._internal.utils.temp_dir import TempDirectory, tempdir_kinds
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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from pip._internal.utils.virtualenv import running_under_virtualenv
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from pip._internal.vcs import vcs
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if MYPY_CHECK_RUNNING:
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from typing import Any, Dict, Iterable, List, Optional, Sequence, Union
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from pip._vendor.packaging.markers import Marker
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from pip._vendor.packaging.specifiers import SpecifierSet
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from pip._vendor.pkg_resources import Distribution
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from pip._internal.build_env import BuildEnvironment
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logger = logging.getLogger(__name__)
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def _get_dist(metadata_directory):
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# type: (str) -> Distribution
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"""Return a pkg_resources.Distribution for the provided
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metadata directory.
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"""
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dist_dir = metadata_directory.rstrip(os.sep)
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# Build a PathMetadata object, from path to metadata. :wink:
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base_dir, dist_dir_name = os.path.split(dist_dir)
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metadata = pkg_resources.PathMetadata(base_dir, dist_dir)
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# Determine the correct Distribution object type.
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if dist_dir.endswith(".egg-info"):
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dist_cls = pkg_resources.Distribution
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dist_name = os.path.splitext(dist_dir_name)[0]
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else:
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assert dist_dir.endswith(".dist-info")
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dist_cls = pkg_resources.DistInfoDistribution
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dist_name = os.path.splitext(dist_dir_name)[0].split("-")[0]
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return dist_cls(
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base_dir,
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project_name=dist_name,
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metadata=metadata,
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)
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class InstallRequirement(object):
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"""
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Represents something that may be installed later on, may have information
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about where to fetch the relevant requirement and also contains logic for
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installing the said requirement.
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"""
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def __init__(
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self,
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req, # type: Optional[Requirement]
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comes_from, # type: Optional[Union[str, InstallRequirement]]
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editable=False, # type: bool
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link=None, # type: Optional[Link]
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markers=None, # type: Optional[Marker]
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use_pep517=None, # type: Optional[bool]
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isolated=False, # type: bool
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install_options=None, # type: Optional[List[str]]
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global_options=None, # type: Optional[List[str]]
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hash_options=None, # type: Optional[Dict[str, List[str]]]
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constraint=False, # type: bool
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extras=(), # type: Iterable[str]
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user_supplied=False, # type: bool
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):
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# type: (...) -> None
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assert req is None or isinstance(req, Requirement), req
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self.req = req
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self.comes_from = comes_from
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self.constraint = constraint
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self.editable = editable
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self.legacy_install_reason = None # type: Optional[int]
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# source_dir is the local directory where the linked requirement is
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# located, or unpacked. In case unpacking is needed, creating and
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# populating source_dir is done by the RequirementPreparer. Note this
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# is not necessarily the directory where pyproject.toml or setup.py is
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# located - that one is obtained via unpacked_source_directory.
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self.source_dir = None # type: Optional[str]
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if self.editable:
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assert link
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if link.is_file:
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self.source_dir = os.path.normpath(
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os.path.abspath(link.file_path)
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)
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if link is None and req and req.url:
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# PEP 508 URL requirement
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link = Link(req.url)
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self.link = self.original_link = link
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self.original_link_is_in_wheel_cache = False
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# Path to any downloaded or already-existing package.
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self.local_file_path = None # type: Optional[str]
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if self.link and self.link.is_file:
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self.local_file_path = self.link.file_path
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if extras:
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self.extras = extras
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elif req:
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self.extras = {
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pkg_resources.safe_extra(extra) for extra in req.extras
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}
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else:
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self.extras = set()
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if markers is None and req:
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markers = req.marker
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self.markers = markers
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# This holds the pkg_resources.Distribution object if this requirement
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# is already available:
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self.satisfied_by = None # type: Optional[Distribution]
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# Whether the installation process should try to uninstall an existing
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# distribution before installing this requirement.
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self.should_reinstall = False
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# Temporary build location
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self._temp_build_dir = None # type: Optional[TempDirectory]
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# Set to True after successful installation
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self.install_succeeded = None # type: Optional[bool]
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# Supplied options
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self.install_options = install_options if install_options else []
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self.global_options = global_options if global_options else []
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self.hash_options = hash_options if hash_options else {}
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# Set to True after successful preparation of this requirement
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self.prepared = False
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# User supplied requirement are explicitly requested for installation
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# by the user via CLI arguments or requirements files, as opposed to,
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# e.g. dependencies, extras or constraints.
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self.user_supplied = user_supplied
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self.isolated = isolated
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self.build_env = NoOpBuildEnvironment() # type: BuildEnvironment
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# For PEP 517, the directory where we request the project metadata
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# gets stored. We need this to pass to build_wheel, so the backend
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# can ensure that the wheel matches the metadata (see the PEP for
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# details).
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self.metadata_directory = None # type: Optional[str]
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# The static build requirements (from pyproject.toml)
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self.pyproject_requires = None # type: Optional[List[str]]
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# Build requirements that we will check are available
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self.requirements_to_check = [] # type: List[str]
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# The PEP 517 backend we should use to build the project
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self.pep517_backend = None # type: Optional[Pep517HookCaller]
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# Are we using PEP 517 for this requirement?
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# After pyproject.toml has been loaded, the only valid values are True
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# and False. Before loading, None is valid (meaning "use the default").
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# Setting an explicit value before loading pyproject.toml is supported,
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# but after loading this flag should be treated as read only.
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self.use_pep517 = use_pep517
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# This requirement needs more preparation before it can be built
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self.needs_more_preparation = False
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def __str__(self):
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# type: () -> str
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if self.req:
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s = str(self.req)
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if self.link:
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s += ' from {}'.format(redact_auth_from_url(self.link.url))
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elif self.link:
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s = redact_auth_from_url(self.link.url)
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else:
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s = '<InstallRequirement>'
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if self.satisfied_by is not None:
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s += ' in {}'.format(display_path(self.satisfied_by.location))
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if self.comes_from:
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if isinstance(self.comes_from, six.string_types):
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comes_from = self.comes_from # type: Optional[str]
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else:
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comes_from = self.comes_from.from_path()
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if comes_from:
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s += ' (from {})'.format(comes_from)
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return s
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def __repr__(self):
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# type: () -> str
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return '<{} object: {} editable={!r}>'.format(
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self.__class__.__name__, str(self), self.editable)
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def format_debug(self):
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# type: () -> str
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"""An un-tested helper for getting state, for debugging.
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"""
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attributes = vars(self)
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names = sorted(attributes)
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state = (
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"{}={!r}".format(attr, attributes[attr]) for attr in sorted(names)
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)
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return '<{name} object: {{{state}}}>'.format(
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name=self.__class__.__name__,
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state=", ".join(state),
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)
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# Things that are valid for all kinds of requirements?
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@property
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def name(self):
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# type: () -> Optional[str]
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if self.req is None:
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return None
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return six.ensure_str(pkg_resources.safe_name(self.req.name))
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@property
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def specifier(self):
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# type: () -> SpecifierSet
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return self.req.specifier
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@property
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def is_pinned(self):
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# type: () -> bool
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"""Return whether I am pinned to an exact version.
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For example, some-package==1.2 is pinned; some-package>1.2 is not.
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"""
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specifiers = self.specifier
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return (len(specifiers) == 1 and
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next(iter(specifiers)).operator in {'==', '==='})
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@property
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def installed_version(self):
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# type: () -> Optional[str]
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return get_installed_version(self.name)
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def match_markers(self, extras_requested=None):
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# type: (Optional[Iterable[str]]) -> bool
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if not extras_requested:
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# Provide an extra to safely evaluate the markers
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# without matching any extra
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extras_requested = ('',)
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if self.markers is not None:
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return any(
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self.markers.evaluate({'extra': extra})
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for extra in extras_requested)
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else:
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return True
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@property
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def has_hash_options(self):
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# type: () -> bool
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"""Return whether any known-good hashes are specified as options.
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These activate --require-hashes mode; hashes specified as part of a
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URL do not.
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"""
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return bool(self.hash_options)
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def hashes(self, trust_internet=True):
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# type: (bool) -> Hashes
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"""Return a hash-comparer that considers my option- and URL-based
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hashes to be known-good.
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Hashes in URLs--ones embedded in the requirements file, not ones
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downloaded from an index server--are almost peers with ones from
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flags. They satisfy --require-hashes (whether it was implicitly or
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explicitly activated) but do not activate it. md5 and sha224 are not
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allowed in flags, which should nudge people toward good algos. We
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always OR all hashes together, even ones from URLs.
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:param trust_internet: Whether to trust URL-based (#md5=...) hashes
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downloaded from the internet, as by populate_link()
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"""
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good_hashes = self.hash_options.copy()
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link = self.link if trust_internet else self.original_link
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if link and link.hash:
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good_hashes.setdefault(link.hash_name, []).append(link.hash)
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return Hashes(good_hashes)
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def from_path(self):
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# type: () -> Optional[str]
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"""Format a nice indicator to show where this "comes from"
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"""
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if self.req is None:
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return None
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s = str(self.req)
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if self.comes_from:
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if isinstance(self.comes_from, six.string_types):
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comes_from = self.comes_from
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else:
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comes_from = self.comes_from.from_path()
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if comes_from:
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s += '->' + comes_from
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return s
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def ensure_build_location(self, build_dir, autodelete, parallel_builds):
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# type: (str, bool, bool) -> str
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assert build_dir is not None
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if self._temp_build_dir is not None:
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assert self._temp_build_dir.path
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return self._temp_build_dir.path
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if self.req is None:
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# Some systems have /tmp as a symlink which confuses custom
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# builds (such as numpy). Thus, we ensure that the real path
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# is returned.
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self._temp_build_dir = TempDirectory(
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kind=tempdir_kinds.REQ_BUILD, globally_managed=True
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)
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return self._temp_build_dir.path
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# When parallel builds are enabled, add a UUID to the build directory
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# name so multiple builds do not interfere with each other.
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dir_name = canonicalize_name(self.name)
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if parallel_builds:
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dir_name = "{}_{}".format(dir_name, uuid.uuid4().hex)
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# FIXME: Is there a better place to create the build_dir? (hg and bzr
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# need this)
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if not os.path.exists(build_dir):
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logger.debug('Creating directory %s', build_dir)
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os.makedirs(build_dir)
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actual_build_dir = os.path.join(build_dir, dir_name)
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# `None` indicates that we respect the globally-configured deletion
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# settings, which is what we actually want when auto-deleting.
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delete_arg = None if autodelete else False
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return TempDirectory(
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path=actual_build_dir,
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delete=delete_arg,
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kind=tempdir_kinds.REQ_BUILD,
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globally_managed=True,
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).path
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def _set_requirement(self):
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# type: () -> None
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"""Set requirement after generating metadata.
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"""
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assert self.req is None
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assert self.metadata is not None
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assert self.source_dir is not None
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# Construct a Requirement object from the generated metadata
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if isinstance(parse_version(self.metadata["Version"]), Version):
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op = "=="
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else:
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op = "==="
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self.req = Requirement(
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"".join([
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self.metadata["Name"],
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op,
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self.metadata["Version"],
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])
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)
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def warn_on_mismatching_name(self):
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# type: () -> None
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metadata_name = canonicalize_name(self.metadata["Name"])
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if canonicalize_name(self.req.name) == metadata_name:
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# Everything is fine.
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return
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# If we're here, there's a mismatch. Log a warning about it.
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logger.warning(
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'Generating metadata for package %s '
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'produced metadata for project name %s. Fix your '
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'#egg=%s fragments.',
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self.name, metadata_name, self.name
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)
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self.req = Requirement(metadata_name)
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def check_if_exists(self, use_user_site):
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# type: (bool) -> None
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"""Find an installed distribution that satisfies or conflicts
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with this requirement, and set self.satisfied_by or
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self.should_reinstall appropriately.
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"""
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if self.req is None:
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return
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existing_dist = get_distribution(self.req.name)
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if not existing_dist:
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return
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existing_version = existing_dist.parsed_version
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if not self.req.specifier.contains(existing_version, prereleases=True):
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self.satisfied_by = None
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if use_user_site:
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if dist_in_usersite(existing_dist):
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self.should_reinstall = True
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elif (running_under_virtualenv() and
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dist_in_site_packages(existing_dist)):
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raise InstallationError(
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"Will not install to the user site because it will "
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"lack sys.path precedence to {} in {}".format(
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existing_dist.project_name, existing_dist.location)
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)
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else:
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self.should_reinstall = True
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else:
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if self.editable:
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self.should_reinstall = True
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# when installing editables, nothing pre-existing should ever
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# satisfy
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self.satisfied_by = None
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else:
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self.satisfied_by = existing_dist
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# Things valid for wheels
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@property
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def is_wheel(self):
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# type: () -> bool
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if not self.link:
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return False
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return self.link.is_wheel
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# Things valid for sdists
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@property
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def unpacked_source_directory(self):
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# type: () -> str
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return os.path.join(
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self.source_dir,
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self.link and self.link.subdirectory_fragment or '')
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@property
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def setup_py_path(self):
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# type: () -> str
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assert self.source_dir, "No source dir for {}".format(self)
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setup_py = os.path.join(self.unpacked_source_directory, 'setup.py')
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# Python2 __file__ should not be unicode
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if six.PY2 and isinstance(setup_py, six.text_type):
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setup_py = setup_py.encode(sys.getfilesystemencoding())
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return setup_py
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@property
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def pyproject_toml_path(self):
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# type: () -> str
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assert self.source_dir, "No source dir for {}".format(self)
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return make_pyproject_path(self.unpacked_source_directory)
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def load_pyproject_toml(self):
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# type: () -> None
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"""Load the pyproject.toml file.
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|
After calling this routine, all of the attributes related to PEP 517
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processing for this requirement have been set. In particular, the
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use_pep517 attribute can be used to determine whether we should
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follow the PEP 517 or legacy (setup.py) code path.
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"""
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pyproject_toml_data = load_pyproject_toml(
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self.use_pep517,
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self.pyproject_toml_path,
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self.setup_py_path,
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str(self)
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)
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if pyproject_toml_data is None:
|
|
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 = Pep517HookCaller(
|
|
self.unpacked_source_directory, backend, backend_path=backend_path,
|
|
)
|
|
|
|
def _generate_metadata(self):
|
|
# type: () -> str
|
|
"""Invokes metadata generator functions, with the required arguments.
|
|
"""
|
|
if not self.use_pep517:
|
|
assert self.unpacked_source_directory
|
|
|
|
return 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=self.name or "from {}".format(self.link)
|
|
)
|
|
|
|
assert self.pep517_backend is not None
|
|
|
|
return generate_metadata(
|
|
build_env=self.build_env,
|
|
backend=self.pep517_backend,
|
|
)
|
|
|
|
def prepare_metadata(self):
|
|
# type: () -> None
|
|
"""Ensure that project metadata is available.
|
|
|
|
Under PEP 517, call the backend hook to prepare the metadata.
|
|
Under legacy processing, call setup.py egg-info.
|
|
"""
|
|
assert self.source_dir
|
|
|
|
with indent_log():
|
|
self.metadata_directory = self._generate_metadata()
|
|
|
|
# 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):
|
|
# type: () -> Any
|
|
if not hasattr(self, '_metadata'):
|
|
self._metadata = get_metadata(self.get_dist())
|
|
|
|
return self._metadata
|
|
|
|
def get_dist(self):
|
|
# type: () -> Distribution
|
|
return _get_dist(self.metadata_directory)
|
|
|
|
def assert_source_matches_version(self):
|
|
# type: () -> 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,
|
|
autodelete=False,
|
|
parallel_builds=False,
|
|
):
|
|
# type: (str, bool, bool) -> 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, obtain=True):
|
|
# type: (bool) -> 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
|
|
assert '+' in self.link.url, \
|
|
"bad url: {self.link.url!r}".format(**locals())
|
|
vc_type, url = self.link.url.split('+', 1)
|
|
vcs_backend = vcs.get_backend(vc_type)
|
|
if vcs_backend:
|
|
if not self.link.is_vcs:
|
|
reason = (
|
|
"This form of VCS requirement is being deprecated: {}."
|
|
).format(
|
|
self.link.url
|
|
)
|
|
replacement = None
|
|
if self.link.url.startswith("git+git@"):
|
|
replacement = (
|
|
"git+https://git@example.com/..., "
|
|
"git+ssh://git@example.com/..., "
|
|
"or the insecure git+git://git@example.com/..."
|
|
)
|
|
deprecated(reason, replacement, gone_in="21.0", issue=7554)
|
|
hidden_url = hide_url(self.link.url)
|
|
if obtain:
|
|
vcs_backend.obtain(self.source_dir, url=hidden_url)
|
|
else:
|
|
vcs_backend.export(self.source_dir, url=hidden_url)
|
|
else:
|
|
assert 0, (
|
|
'Unexpected version control type (in {}): {}'.format(
|
|
self.link, vc_type))
|
|
|
|
# Top-level Actions
|
|
def uninstall(self, auto_confirm=False, verbose=False):
|
|
# type: (bool, bool) -> 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_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, parentdir, rootdir):
|
|
# type: (str, str, str) -> str
|
|
|
|
def _clean_zip_name(name, prefix):
|
|
# type: (str, str) -> str
|
|
assert name.startswith(prefix + os.path.sep), (
|
|
"name {name!r} doesn't start with prefix {prefix!r}"
|
|
.format(**locals())
|
|
)
|
|
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):
|
|
# type: (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,
|
|
install_options, # type: List[str]
|
|
global_options=None, # type: Optional[Sequence[str]]
|
|
root=None, # type: Optional[str]
|
|
home=None, # type: Optional[str]
|
|
prefix=None, # type: Optional[str]
|
|
warn_script_location=True, # type: bool
|
|
use_user_site=False, # type: bool
|
|
pycompile=True # type: bool
|
|
):
|
|
# type: (...) -> None
|
|
scheme = get_scheme(
|
|
self.name,
|
|
user=use_user_site,
|
|
home=home,
|
|
root=root,
|
|
isolated=self.isolated,
|
|
prefix=prefix,
|
|
)
|
|
|
|
global_options = global_options if global_options is not None else []
|
|
if self.editable:
|
|
install_editable_legacy(
|
|
install_options,
|
|
global_options,
|
|
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
|
|
|
|
if self.is_wheel:
|
|
assert self.local_file_path
|
|
direct_url = None
|
|
if self.original_link:
|
|
direct_url = direct_url_from_link(
|
|
self.original_link,
|
|
self.source_dir,
|
|
self.original_link_is_in_wheel_cache,
|
|
)
|
|
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=direct_url,
|
|
requested=self.user_supplied,
|
|
)
|
|
self.install_succeeded = True
|
|
return
|
|
|
|
# TODO: Why don't we do this for editable installs?
|
|
|
|
# Extend the list of global and install options passed on to
|
|
# the setup.py call with the ones from the requirements file.
|
|
# Options specified in requirements file override those
|
|
# specified on the command line, since the last option given
|
|
# to setup.py is the one that is used.
|
|
global_options = list(global_options) + self.global_options
|
|
install_options = list(install_options) + self.install_options
|
|
|
|
try:
|
|
success = install_legacy(
|
|
install_options=install_options,
|
|
global_options=global_options,
|
|
root=root,
|
|
home=home,
|
|
prefix=prefix,
|
|
use_user_site=use_user_site,
|
|
pycompile=pycompile,
|
|
scheme=scheme,
|
|
setup_py_path=self.setup_py_path,
|
|
isolated=self.isolated,
|
|
req_name=self.name,
|
|
build_env=self.build_env,
|
|
unpacked_source_directory=self.unpacked_source_directory,
|
|
req_description=str(self.req),
|
|
)
|
|
except LegacyInstallFailure as exc:
|
|
self.install_succeeded = False
|
|
six.reraise(*exc.parent)
|
|
except Exception:
|
|
self.install_succeeded = True
|
|
raise
|
|
|
|
self.install_succeeded = success
|
|
|
|
if success and self.legacy_install_reason == 8368:
|
|
deprecated(
|
|
reason=(
|
|
"{} was installed using the legacy 'setup.py install' "
|
|
"method, because a wheel could not be built for it.".
|
|
format(self.name)
|
|
),
|
|
replacement="to fix the wheel build issue reported above",
|
|
gone_in="21.0",
|
|
issue=8368,
|
|
)
|
|
|
|
|
|
def check_invalid_constraint_type(req):
|
|
# type: (InstallRequirement) -> str
|
|
|
|
# Check for unsupported forms
|
|
problem = ""
|
|
if not req.name:
|
|
problem = "Unnamed requirements are not allowed as constraints"
|
|
elif req.link:
|
|
problem = "Links 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
|