File Content: req_set.py import logging from collections import OrderedDict from typing import Dict, List from pip._vendor.packaging.utils import canonicalize_name from pip._internal.req.req_install import InstallRequirement logger = logging.getLogger(__name__) class RequirementSet: def __init__(self, check_supported_wheels: bool = True) -> None: """Create a RequirementSet.""" self.requirements: Dict[str, InstallRequirement] = OrderedDict() self.check_supported_wheels = check_supported_wheels self.unnamed_requirements: List[InstallRequirement] = [] def __str__(self) -> str: requirements = sorted( (req for req in self.requirements.values() if not req.comes_from), key=lambda req: canonicalize_name(req.name or ""), ) return " ".join(str(req.req) for req in requirements) def __repr__(self) -> str: requirements = sorted( self.requirements.values(), key=lambda req: canonicalize_name(req.name or ""), ) format_string = "<{classname} object; {count} requirement(s): {reqs}>" return format_string.format( classname=self.__class__.__name__, count=len(requirements), reqs=", ".join(str(req.req) for req in requirements), ) def add_unnamed_requirement(self, install_req: InstallRequirement) -> None: assert not install_req.name self.unnamed_requirements.append(install_req) def add_named_requirement(self, install_req: InstallRequirement) -> None: assert install_req.name project_name = canonicalize_name(install_req.name) self.requirements[project_name] = install_req def has_requirement(self, name: str) -> bool: project_name = canonicalize_name(name) return ( project_name in self.requirements and not self.requirements[project_name].constraint ) def get_requirement(self, name: str) -> InstallRequirement: project_name = canonicalize_name(name) if project_name in self.requirements: return self.requirements[project_name] raise KeyError(f"No project with the name {name!r}") @property def all_requirements(self) -> List[InstallRequirement]: return self.unnamed_requirements + list(self.requirements.values()) @property def requirements_to_install(self) -> List[InstallRequirement]: """Return the list of requirements that need to be installed. TODO remove this property together with the legacy resolver, since the new resolver only returns requirements that need to be installed. """ return [ install_req for install_req in self.all_requirements if not install_req.constraint and not install_req.satisfied_by ] Submit