From 12cf076118570eebbff08c6b3090e0d4798447a1 Mon Sep 17 00:00:00 2001 From: cyfraeviolae Date: Wed, 3 Apr 2024 03:17:55 -0400 Subject: no venv --- .../pip/_internal/operations/check.py | 187 --------------------- 1 file changed, 187 deletions(-) delete mode 100644 venv/lib/python3.11/site-packages/pip/_internal/operations/check.py (limited to 'venv/lib/python3.11/site-packages/pip/_internal/operations/check.py') diff --git a/venv/lib/python3.11/site-packages/pip/_internal/operations/check.py b/venv/lib/python3.11/site-packages/pip/_internal/operations/check.py deleted file mode 100644 index 90c6a58..0000000 --- a/venv/lib/python3.11/site-packages/pip/_internal/operations/check.py +++ /dev/null @@ -1,187 +0,0 @@ -"""Validation of dependencies of packages -""" - -import logging -from typing import Callable, Dict, List, NamedTuple, Optional, Set, Tuple - -from pip._vendor.packaging.requirements import Requirement -from pip._vendor.packaging.specifiers import LegacySpecifier -from pip._vendor.packaging.utils import NormalizedName, canonicalize_name -from pip._vendor.packaging.version import LegacyVersion - -from pip._internal.distributions import make_distribution_for_install_requirement -from pip._internal.metadata import get_default_environment -from pip._internal.metadata.base import DistributionVersion -from pip._internal.req.req_install import InstallRequirement -from pip._internal.utils.deprecation import deprecated - -logger = logging.getLogger(__name__) - - -class PackageDetails(NamedTuple): - version: DistributionVersion - dependencies: List[Requirement] - - -# Shorthands -PackageSet = Dict[NormalizedName, PackageDetails] -Missing = Tuple[NormalizedName, Requirement] -Conflicting = Tuple[NormalizedName, DistributionVersion, Requirement] - -MissingDict = Dict[NormalizedName, List[Missing]] -ConflictingDict = Dict[NormalizedName, List[Conflicting]] -CheckResult = Tuple[MissingDict, ConflictingDict] -ConflictDetails = Tuple[PackageSet, CheckResult] - - -def create_package_set_from_installed() -> Tuple[PackageSet, bool]: - """Converts a list of distributions into a PackageSet.""" - package_set = {} - problems = False - env = get_default_environment() - for dist in env.iter_installed_distributions(local_only=False, skip=()): - name = dist.canonical_name - try: - dependencies = list(dist.iter_dependencies()) - package_set[name] = PackageDetails(dist.version, dependencies) - except (OSError, ValueError) as e: - # Don't crash on unreadable or broken metadata. - logger.warning("Error parsing requirements for %s: %s", name, e) - problems = True - return package_set, problems - - -def check_package_set( - package_set: PackageSet, should_ignore: Optional[Callable[[str], bool]] = None -) -> CheckResult: - """Check if a package set is consistent - - If should_ignore is passed, it should be a callable that takes a - package name and returns a boolean. - """ - - warn_legacy_versions_and_specifiers(package_set) - - missing = {} - conflicting = {} - - for package_name, package_detail in package_set.items(): - # Info about dependencies of package_name - missing_deps: Set[Missing] = set() - conflicting_deps: Set[Conflicting] = set() - - if should_ignore and should_ignore(package_name): - continue - - for req in package_detail.dependencies: - name = canonicalize_name(req.name) - - # Check if it's missing - if name not in package_set: - missed = True - if req.marker is not None: - missed = req.marker.evaluate({"extra": ""}) - if missed: - missing_deps.add((name, req)) - continue - - # Check if there's a conflict - version = package_set[name].version - if not req.specifier.contains(version, prereleases=True): - conflicting_deps.add((name, version, req)) - - if missing_deps: - missing[package_name] = sorted(missing_deps, key=str) - if conflicting_deps: - conflicting[package_name] = sorted(conflicting_deps, key=str) - - return missing, conflicting - - -def check_install_conflicts(to_install: List[InstallRequirement]) -> ConflictDetails: - """For checking if the dependency graph would be consistent after \ - installing given requirements - """ - # Start from the current state - package_set, _ = create_package_set_from_installed() - # Install packages - would_be_installed = _simulate_installation_of(to_install, package_set) - - # Only warn about directly-dependent packages; create a whitelist of them - whitelist = _create_whitelist(would_be_installed, package_set) - - return ( - package_set, - check_package_set( - package_set, should_ignore=lambda name: name not in whitelist - ), - ) - - -def _simulate_installation_of( - to_install: List[InstallRequirement], package_set: PackageSet -) -> Set[NormalizedName]: - """Computes the version of packages after installing to_install.""" - # Keep track of packages that were installed - installed = set() - - # Modify it as installing requirement_set would (assuming no errors) - for inst_req in to_install: - abstract_dist = make_distribution_for_install_requirement(inst_req) - dist = abstract_dist.get_metadata_distribution() - name = dist.canonical_name - package_set[name] = PackageDetails(dist.version, list(dist.iter_dependencies())) - - installed.add(name) - - return installed - - -def _create_whitelist( - would_be_installed: Set[NormalizedName], package_set: PackageSet -) -> Set[NormalizedName]: - packages_affected = set(would_be_installed) - - for package_name in package_set: - if package_name in packages_affected: - continue - - for req in package_set[package_name].dependencies: - if canonicalize_name(req.name) in packages_affected: - packages_affected.add(package_name) - break - - return packages_affected - - -def warn_legacy_versions_and_specifiers(package_set: PackageSet) -> None: - for project_name, package_details in package_set.items(): - if isinstance(package_details.version, LegacyVersion): - deprecated( - reason=( - f"{project_name} {package_details.version} " - f"has a non-standard version number." - ), - replacement=( - f"to upgrade to a newer version of {project_name} " - f"or contact the author to suggest that they " - f"release a version with a conforming version number" - ), - issue=12063, - gone_in="24.1", - ) - for dep in package_details.dependencies: - if any(isinstance(spec, LegacySpecifier) for spec in dep.specifier): - deprecated( - reason=( - f"{project_name} {package_details.version} " - f"has a non-standard dependency specifier {dep}." - ), - replacement=( - f"to upgrade to a newer version of {project_name} " - f"or contact the author to suggest that they " - f"release a version with a conforming dependency specifiers" - ), - issue=12063, - gone_in="24.1", - ) -- cgit v1.2.3