ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙimport abc from typing import TYPE_CHECKING, Optional from pip._internal.metadata.base import BaseDistribution from pip._internal.req import InstallRequirement if TYPE_CHECKING: from pip._internal.index.package_finder import PackageFinder class AbstractDistribution(metaclass=abc.ABCMeta): """A base class for handling installable artifacts. The requirements for anything installable are as follows: - we must be able to determine the requirement name (or we can't correctly handle the non-upgrade case). - for packages with setup requirements, we must also be able to determine their requirements without installing additional packages (for the same reason as run-time dependencies) - we must be able to create a Distribution object exposing the above metadata. - if we need to do work in the build tracker, we must be able to generate a unique string to identify the requirement in the build tracker. """ def __init__(self, req: InstallRequirement) -> None: super().__init__() self.req = req @abc.abstractproperty def build_tracker_id(self) -> Optional[str]: """A string that uniquely identifies this requirement to the build tracker. If None, then this dist has no work to do in the build tracker, and ``.prepare_distribution_metadata()`` will not be called.""" raise NotImplementedError() @abc.abstractmethod def get_metadata_distribution(self) -> BaseDistribution: raise NotImplementedError() @abc.abstractmethod def prepare_distribution_metadata( self, finder: "PackageFinder", build_isolation: bool, check_build_deps: bool, ) -> None: raise NotImplementedError()