Including the venv
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159
lib/python3.8/site-packages/pip/_internal/operations/check.py
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159
lib/python3.8/site-packages/pip/_internal/operations/check.py
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@@ -0,0 +1,159 @@
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"""Validation of dependencies of packages
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"""
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import logging
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from collections import namedtuple
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from pip._vendor.packaging.utils import canonicalize_name
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from pip._vendor.pkg_resources import RequirementParseError
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from pip._internal.distributions import (
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make_distribution_for_install_requirement,
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)
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from pip._internal.utils.misc import get_installed_distributions
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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logger = logging.getLogger(__name__)
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if MYPY_CHECK_RUNNING:
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from pip._internal.req.req_install import InstallRequirement
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from typing import (
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Any, Callable, Dict, Optional, Set, Tuple, List
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)
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# Shorthands
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PackageSet = Dict[str, 'PackageDetails']
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Missing = Tuple[str, Any]
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Conflicting = Tuple[str, str, Any]
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MissingDict = Dict[str, List[Missing]]
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ConflictingDict = Dict[str, List[Conflicting]]
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CheckResult = Tuple[MissingDict, ConflictingDict]
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PackageDetails = namedtuple('PackageDetails', ['version', 'requires'])
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def create_package_set_from_installed(**kwargs):
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# type: (**Any) -> Tuple[PackageSet, bool]
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"""Converts a list of distributions into a PackageSet.
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"""
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# Default to using all packages installed on the system
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if kwargs == {}:
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kwargs = {"local_only": False, "skip": ()}
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package_set = {}
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problems = False
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for dist in get_installed_distributions(**kwargs):
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name = canonicalize_name(dist.project_name)
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try:
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package_set[name] = PackageDetails(dist.version, dist.requires())
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except RequirementParseError as e:
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# Don't crash on broken metadata
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logging.warning("Error parsing requirements for %s: %s", name, e)
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problems = True
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return package_set, problems
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def check_package_set(package_set, should_ignore=None):
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# type: (PackageSet, Optional[Callable[[str], bool]]) -> CheckResult
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"""Check if a package set is consistent
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If should_ignore is passed, it should be a callable that takes a
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package name and returns a boolean.
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"""
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if should_ignore is None:
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def should_ignore(name):
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return False
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missing = dict()
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conflicting = dict()
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for package_name in package_set:
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# Info about dependencies of package_name
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missing_deps = set() # type: Set[Missing]
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conflicting_deps = set() # type: Set[Conflicting]
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if should_ignore(package_name):
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continue
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for req in package_set[package_name].requires:
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name = canonicalize_name(req.project_name) # type: str
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# Check if it's missing
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if name not in package_set:
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missed = True
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if req.marker is not None:
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missed = req.marker.evaluate()
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if missed:
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missing_deps.add((name, req))
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continue
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# Check if there's a conflict
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version = package_set[name].version # type: str
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if not req.specifier.contains(version, prereleases=True):
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conflicting_deps.add((name, version, req))
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if missing_deps:
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missing[package_name] = sorted(missing_deps, key=str)
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if conflicting_deps:
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conflicting[package_name] = sorted(conflicting_deps, key=str)
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return missing, conflicting
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def check_install_conflicts(to_install):
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# type: (List[InstallRequirement]) -> Tuple[PackageSet, CheckResult]
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"""For checking if the dependency graph would be consistent after \
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installing given requirements
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"""
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# Start from the current state
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package_set, _ = create_package_set_from_installed()
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# Install packages
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would_be_installed = _simulate_installation_of(to_install, package_set)
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# Only warn about directly-dependent packages; create a whitelist of them
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whitelist = _create_whitelist(would_be_installed, package_set)
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return (
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package_set,
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check_package_set(
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package_set, should_ignore=lambda name: name not in whitelist
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)
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)
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def _simulate_installation_of(to_install, package_set):
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# type: (List[InstallRequirement], PackageSet) -> Set[str]
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"""Computes the version of packages after installing to_install.
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"""
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# Keep track of packages that were installed
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installed = set()
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# Modify it as installing requirement_set would (assuming no errors)
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for inst_req in to_install:
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abstract_dist = make_distribution_for_install_requirement(inst_req)
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dist = abstract_dist.get_pkg_resources_distribution()
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name = canonicalize_name(dist.key)
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package_set[name] = PackageDetails(dist.version, dist.requires())
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installed.add(name)
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return installed
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def _create_whitelist(would_be_installed, package_set):
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# type: (Set[str], PackageSet) -> Set[str]
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packages_affected = set(would_be_installed)
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for package_name in package_set:
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if package_name in packages_affected:
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continue
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for req in package_set[package_name].requires:
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if canonicalize_name(req.name) in packages_affected:
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packages_affected.add(package_name)
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break
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return packages_affected
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253
lib/python3.8/site-packages/pip/_internal/operations/freeze.py
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253
lib/python3.8/site-packages/pip/_internal/operations/freeze.py
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@@ -0,0 +1,253 @@
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from __future__ import absolute_import
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import collections
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import logging
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import os
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import re
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from pip._vendor import six
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from pip._vendor.packaging.utils import canonicalize_name
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from pip._vendor.pkg_resources import RequirementParseError
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from pip._internal.exceptions import BadCommand, InstallationError
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from pip._internal.req.constructors import (
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install_req_from_editable, install_req_from_line,
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)
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from pip._internal.req.req_file import COMMENT_RE
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from pip._internal.utils.misc import (
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dist_is_editable, get_installed_distributions,
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)
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import (
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Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union
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)
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from pip._internal.cache import WheelCache
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from pip._vendor.pkg_resources import (
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Distribution, Requirement
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)
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RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]]
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logger = logging.getLogger(__name__)
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def freeze(
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requirement=None, # type: Optional[List[str]]
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find_links=None, # type: Optional[List[str]]
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local_only=None, # type: Optional[bool]
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user_only=None, # type: Optional[bool]
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paths=None, # type: Optional[List[str]]
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skip_regex=None, # type: Optional[str]
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isolated=False, # type: bool
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wheel_cache=None, # type: Optional[WheelCache]
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exclude_editable=False, # type: bool
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skip=() # type: Container[str]
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):
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# type: (...) -> Iterator[str]
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find_links = find_links or []
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skip_match = None
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if skip_regex:
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skip_match = re.compile(skip_regex).search
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for link in find_links:
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yield '-f %s' % link
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installations = {} # type: Dict[str, FrozenRequirement]
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for dist in get_installed_distributions(local_only=local_only,
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skip=(),
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user_only=user_only,
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paths=paths):
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try:
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req = FrozenRequirement.from_dist(dist)
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except RequirementParseError as exc:
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# We include dist rather than dist.project_name because the
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# dist string includes more information, like the version and
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# location. We also include the exception message to aid
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# troubleshooting.
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logger.warning(
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'Could not generate requirement for distribution %r: %s',
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dist, exc
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)
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continue
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if exclude_editable and req.editable:
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continue
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installations[req.name] = req
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if requirement:
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# the options that don't get turned into an InstallRequirement
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# should only be emitted once, even if the same option is in multiple
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# requirements files, so we need to keep track of what has been emitted
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# so that we don't emit it again if it's seen again
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emitted_options = set() # type: Set[str]
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# keep track of which files a requirement is in so that we can
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# give an accurate warning if a requirement appears multiple times.
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req_files = collections.defaultdict(list) # type: Dict[str, List[str]]
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for req_file_path in requirement:
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with open(req_file_path) as req_file:
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for line in req_file:
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if (not line.strip() or
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line.strip().startswith('#') or
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(skip_match and skip_match(line)) or
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line.startswith((
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'-r', '--requirement',
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'-Z', '--always-unzip',
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'-f', '--find-links',
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'-i', '--index-url',
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'--pre',
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'--trusted-host',
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'--process-dependency-links',
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'--extra-index-url'))):
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line = line.rstrip()
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if line not in emitted_options:
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emitted_options.add(line)
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yield line
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continue
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if line.startswith('-e') or line.startswith('--editable'):
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if line.startswith('-e'):
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line = line[2:].strip()
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else:
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line = line[len('--editable'):].strip().lstrip('=')
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line_req = install_req_from_editable(
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line,
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isolated=isolated,
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wheel_cache=wheel_cache,
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)
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else:
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line_req = install_req_from_line(
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COMMENT_RE.sub('', line).strip(),
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isolated=isolated,
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wheel_cache=wheel_cache,
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)
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if not line_req.name:
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logger.info(
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"Skipping line in requirement file [%s] because "
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"it's not clear what it would install: %s",
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req_file_path, line.strip(),
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)
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logger.info(
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" (add #egg=PackageName to the URL to avoid"
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" this warning)"
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)
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elif line_req.name not in installations:
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# either it's not installed, or it is installed
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# but has been processed already
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if not req_files[line_req.name]:
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logger.warning(
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"Requirement file [%s] contains %s, but "
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"package %r is not installed",
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req_file_path,
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COMMENT_RE.sub('', line).strip(), line_req.name
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)
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else:
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req_files[line_req.name].append(req_file_path)
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else:
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yield str(installations[line_req.name]).rstrip()
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del installations[line_req.name]
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req_files[line_req.name].append(req_file_path)
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# Warn about requirements that were included multiple times (in a
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# single requirements file or in different requirements files).
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for name, files in six.iteritems(req_files):
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if len(files) > 1:
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logger.warning("Requirement %s included multiple times [%s]",
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name, ', '.join(sorted(set(files))))
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yield(
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'## The following requirements were added by '
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'pip freeze:'
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)
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for installation in sorted(
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installations.values(), key=lambda x: x.name.lower()):
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if canonicalize_name(installation.name) not in skip:
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yield str(installation).rstrip()
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def get_requirement_info(dist):
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# type: (Distribution) -> RequirementInfo
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"""
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Compute and return values (req, editable, comments) for use in
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FrozenRequirement.from_dist().
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"""
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if not dist_is_editable(dist):
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return (None, False, [])
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location = os.path.normcase(os.path.abspath(dist.location))
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from pip._internal.vcs import vcs, RemoteNotFoundError
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vcs_backend = vcs.get_backend_for_dir(location)
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if vcs_backend is None:
|
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req = dist.as_requirement()
|
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logger.debug(
|
||||
'No VCS found for editable requirement "%s" in: %r', req,
|
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location,
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||||
)
|
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comments = [
|
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'# Editable install with no version control ({})'.format(req)
|
||||
]
|
||||
return (location, True, comments)
|
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|
||||
try:
|
||||
req = vcs_backend.get_src_requirement(location, dist.project_name)
|
||||
except RemoteNotFoundError:
|
||||
req = dist.as_requirement()
|
||||
comments = [
|
||||
'# Editable {} install with no remote ({})'.format(
|
||||
type(vcs_backend).__name__, req,
|
||||
)
|
||||
]
|
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return (location, True, comments)
|
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|
||||
except BadCommand:
|
||||
logger.warning(
|
||||
'cannot determine version of editable source in %s '
|
||||
'(%s command not found in path)',
|
||||
location,
|
||||
vcs_backend.name,
|
||||
)
|
||||
return (None, True, [])
|
||||
|
||||
except InstallationError as exc:
|
||||
logger.warning(
|
||||
"Error when trying to get requirement for VCS system %s, "
|
||||
"falling back to uneditable format", exc
|
||||
)
|
||||
else:
|
||||
if req is not None:
|
||||
return (req, True, [])
|
||||
|
||||
logger.warning(
|
||||
'Could not determine repository location of %s', location
|
||||
)
|
||||
comments = ['## !! Could not determine repository location']
|
||||
|
||||
return (None, False, comments)
|
||||
|
||||
|
||||
class FrozenRequirement(object):
|
||||
def __init__(self, name, req, editable, comments=()):
|
||||
# type: (str, Union[str, Requirement], bool, Iterable[str]) -> None
|
||||
self.name = name
|
||||
self.req = req
|
||||
self.editable = editable
|
||||
self.comments = comments
|
||||
|
||||
@classmethod
|
||||
def from_dist(cls, dist):
|
||||
# type: (Distribution) -> FrozenRequirement
|
||||
req, editable, comments = get_requirement_info(dist)
|
||||
if req is None:
|
||||
req = dist.as_requirement()
|
||||
|
||||
return cls(dist.project_name, req, editable, comments=comments)
|
||||
|
||||
def __str__(self):
|
||||
req = self.req
|
||||
if self.editable:
|
||||
req = '-e %s' % req
|
||||
return '\n'.join(list(self.comments) + [str(req)]) + '\n'
|
||||
287
lib/python3.8/site-packages/pip/_internal/operations/prepare.py
Normal file
287
lib/python3.8/site-packages/pip/_internal/operations/prepare.py
Normal file
@@ -0,0 +1,287 @@
|
||||
"""Prepares a distribution for installation
|
||||
"""
|
||||
|
||||
import logging
|
||||
import os
|
||||
|
||||
from pip._vendor import requests
|
||||
|
||||
from pip._internal.distributions import (
|
||||
make_distribution_for_install_requirement,
|
||||
)
|
||||
from pip._internal.distributions.installed import InstalledDistribution
|
||||
from pip._internal.download import (
|
||||
is_dir_url, is_file_url, is_vcs_url, unpack_url, url_to_path,
|
||||
)
|
||||
from pip._internal.exceptions import (
|
||||
DirectoryUrlHashUnsupported, HashUnpinned, InstallationError,
|
||||
PreviousBuildDirError, VcsHashUnsupported,
|
||||
)
|
||||
from pip._internal.utils.compat import expanduser
|
||||
from pip._internal.utils.hashes import MissingHashes
|
||||
from pip._internal.utils.logging import indent_log
|
||||
from pip._internal.utils.misc import display_path, normalize_path
|
||||
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
|
||||
|
||||
if MYPY_CHECK_RUNNING:
|
||||
from typing import Optional
|
||||
|
||||
from pip._internal.distributions import AbstractDistribution
|
||||
from pip._internal.download import PipSession
|
||||
from pip._internal.index import PackageFinder
|
||||
from pip._internal.req.req_install import InstallRequirement
|
||||
from pip._internal.req.req_tracker import RequirementTracker
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class RequirementPreparer(object):
|
||||
"""Prepares a Requirement
|
||||
"""
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
build_dir, # type: str
|
||||
download_dir, # type: Optional[str]
|
||||
src_dir, # type: str
|
||||
wheel_download_dir, # type: Optional[str]
|
||||
progress_bar, # type: str
|
||||
build_isolation, # type: bool
|
||||
req_tracker # type: RequirementTracker
|
||||
):
|
||||
# type: (...) -> None
|
||||
super(RequirementPreparer, self).__init__()
|
||||
|
||||
self.src_dir = src_dir
|
||||
self.build_dir = build_dir
|
||||
self.req_tracker = req_tracker
|
||||
|
||||
# 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
|
||||
|
||||
# Where still-packed .whl files should be written to. If None, they are
|
||||
# written to the download_dir parameter. Separate to download_dir to
|
||||
# permit only keeping wheel archives for pip wheel.
|
||||
if wheel_download_dir:
|
||||
wheel_download_dir = normalize_path(wheel_download_dir)
|
||||
self.wheel_download_dir = wheel_download_dir
|
||||
|
||||
# NOTE
|
||||
# download_dir and wheel_download_dir overlap semantically and may
|
||||
# be combined if we're willing to have non-wheel archives present in
|
||||
# the wheelhouse output by 'pip wheel'.
|
||||
|
||||
self.progress_bar = progress_bar
|
||||
|
||||
# Is build isolation allowed?
|
||||
self.build_isolation = build_isolation
|
||||
|
||||
@property
|
||||
def _download_should_save(self):
|
||||
# type: () -> bool
|
||||
# TODO: Modify to reduce indentation needed
|
||||
if self.download_dir:
|
||||
self.download_dir = expanduser(self.download_dir)
|
||||
if os.path.exists(self.download_dir):
|
||||
return True
|
||||
else:
|
||||
logger.critical('Could not find download directory')
|
||||
raise InstallationError(
|
||||
"Could not find or access download directory '%s'"
|
||||
% display_path(self.download_dir))
|
||||
return False
|
||||
|
||||
def prepare_linked_requirement(
|
||||
self,
|
||||
req, # type: InstallRequirement
|
||||
session, # type: PipSession
|
||||
finder, # type: PackageFinder
|
||||
upgrade_allowed, # type: bool
|
||||
require_hashes # type: bool
|
||||
):
|
||||
# type: (...) -> AbstractDistribution
|
||||
"""Prepare a requirement that would be obtained from req.link
|
||||
"""
|
||||
# TODO: Breakup into smaller functions
|
||||
if req.link and req.link.scheme == 'file':
|
||||
path = url_to_path(req.link.url)
|
||||
logger.info('Processing %s', display_path(path))
|
||||
else:
|
||||
logger.info('Collecting %s', req)
|
||||
|
||||
with indent_log():
|
||||
# @@ if filesystem packages are not marked
|
||||
# editable in a req, a non deterministic error
|
||||
# occurs when the script attempts to unpack the
|
||||
# build directory
|
||||
req.ensure_has_source_dir(self.build_dir)
|
||||
# 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`
|
||||
# package unpacked in `req.source_dir`
|
||||
if os.path.exists(os.path.join(req.source_dir, 'setup.py')):
|
||||
raise PreviousBuildDirError(
|
||||
"pip can't proceed with requirements '%s' due to a"
|
||||
" pre-existing build directory (%s). 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."
|
||||
% (req, req.source_dir)
|
||||
)
|
||||
req.populate_link(finder, upgrade_allowed, require_hashes)
|
||||
|
||||
# We can't hit this spot and have populate_link return None.
|
||||
# req.satisfied_by is None here (because we're
|
||||
# guarded) and upgrade has no impact except when satisfied_by
|
||||
# is not None.
|
||||
# Then inside find_requirement existing_applicable -> False
|
||||
# If no new versions are found, DistributionNotFound is raised,
|
||||
# otherwise a result is guaranteed.
|
||||
assert req.link
|
||||
link = req.link
|
||||
|
||||
# Now that we have the real link, we can tell what kind of
|
||||
# requirements we have and raise some more informative errors
|
||||
# than otherwise. (For example, we can raise VcsHashUnsupported
|
||||
# for a VCS URL rather than HashMissing.)
|
||||
if require_hashes:
|
||||
# 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 is_vcs_url(link):
|
||||
raise VcsHashUnsupported()
|
||||
elif is_file_url(link) and is_dir_url(link):
|
||||
raise DirectoryUrlHashUnsupported()
|
||||
if not req.original_link and not req.is_pinned:
|
||||
# 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.
|
||||
raise HashUnpinned()
|
||||
|
||||
hashes = req.hashes(trust_internet=not require_hashes)
|
||||
if require_hashes and not hashes:
|
||||
# Known-good hashes are missing for this requirement, so
|
||||
# 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.
|
||||
hashes = MissingHashes()
|
||||
|
||||
try:
|
||||
download_dir = self.download_dir
|
||||
# We always delete unpacked sdists after pip ran.
|
||||
autodelete_unpacked = True
|
||||
if req.link.is_wheel and self.wheel_download_dir:
|
||||
# when doing 'pip wheel` we download wheels to a
|
||||
# dedicated dir.
|
||||
download_dir = self.wheel_download_dir
|
||||
if req.link.is_wheel:
|
||||
if download_dir:
|
||||
# When downloading, we only unpack wheels to get
|
||||
# metadata.
|
||||
autodelete_unpacked = True
|
||||
else:
|
||||
# When installing a wheel, we use the unpacked
|
||||
# wheel.
|
||||
autodelete_unpacked = False
|
||||
unpack_url(
|
||||
req.link, req.source_dir,
|
||||
download_dir, autodelete_unpacked,
|
||||
session=session, hashes=hashes,
|
||||
progress_bar=self.progress_bar
|
||||
)
|
||||
except requests.HTTPError as exc:
|
||||
logger.critical(
|
||||
'Could not install requirement %s because of error %s',
|
||||
req,
|
||||
exc,
|
||||
)
|
||||
raise InstallationError(
|
||||
'Could not install requirement %s because of HTTP '
|
||||
'error %s for URL %s' %
|
||||
(req, exc, req.link)
|
||||
)
|
||||
abstract_dist = make_distribution_for_install_requirement(req)
|
||||
with self.req_tracker.track(req):
|
||||
abstract_dist.prepare_distribution_metadata(
|
||||
finder, self.build_isolation,
|
||||
)
|
||||
if self._download_should_save:
|
||||
# Make a .zip of the source_dir we already created.
|
||||
if not req.link.is_artifact:
|
||||
req.archive(self.download_dir)
|
||||
return abstract_dist
|
||||
|
||||
def prepare_editable_requirement(
|
||||
self,
|
||||
req, # type: InstallRequirement
|
||||
require_hashes, # type: bool
|
||||
use_user_site, # type: bool
|
||||
finder # type: PackageFinder
|
||||
):
|
||||
# type: (...) -> AbstractDistribution
|
||||
"""Prepare an editable requirement
|
||||
"""
|
||||
assert req.editable, "cannot prepare a non-editable req as editable"
|
||||
|
||||
logger.info('Obtaining %s', req)
|
||||
|
||||
with indent_log():
|
||||
if require_hashes:
|
||||
raise InstallationError(
|
||||
'The editable requirement %s cannot be installed when '
|
||||
'requiring hashes, because there is no single file to '
|
||||
'hash.' % req
|
||||
)
|
||||
req.ensure_has_source_dir(self.src_dir)
|
||||
req.update_editable(not self._download_should_save)
|
||||
|
||||
abstract_dist = make_distribution_for_install_requirement(req)
|
||||
with self.req_tracker.track(req):
|
||||
abstract_dist.prepare_distribution_metadata(
|
||||
finder, self.build_isolation,
|
||||
)
|
||||
|
||||
if self._download_should_save:
|
||||
req.archive(self.download_dir)
|
||||
req.check_if_exists(use_user_site)
|
||||
|
||||
return abstract_dist
|
||||
|
||||
def prepare_installed_requirement(
|
||||
self,
|
||||
req, # type: InstallRequirement
|
||||
require_hashes, # type: bool
|
||||
skip_reason # type: str
|
||||
):
|
||||
# type: (...) -> AbstractDistribution
|
||||
"""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 %r" % (req.satisfied_by,)
|
||||
)
|
||||
logger.info(
|
||||
'Requirement %s: %s (%s)',
|
||||
skip_reason, req, req.satisfied_by.version
|
||||
)
|
||||
with indent_log():
|
||||
if 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.'
|
||||
)
|
||||
abstract_dist = InstalledDistribution(req)
|
||||
|
||||
return abstract_dist
|
||||
Reference in New Issue
Block a user