관리-도구
편집 파일: packaging.cpython-39.pyc
a [��f� � @ s� d dl Z d dlZd dlmZ d dlmZ d dlmZmZ d dl m Z d dl m Z m Z d dlmZ d dlmZ d d lmZ d d lmZ e�e�Zee eed f ed �d d�Z eed�dd�Z eed�dd�Z e j dd�eed�dd��Z dS )� N)�Message)� FeedParser)�Optional�Tuple)� pkg_resources)� specifiers�version�� Requirement)� Distribution)�NoneMetadataError)� display_path.)�requires_python� version_info�returnc C s4 | du r dS t �| �}t�d�tt|���}||v S )a� Check if the given Python version matches a "Requires-Python" specifier. :param version_info: A 3-tuple of ints representing a Python major-minor-micro version to check (e.g. `sys.version_info[:3]`). :return: `True` if the given Python version satisfies the requirement. Otherwise, return `False`. :raises InvalidSpecifier: If `requires_python` has an invalid format. NT�.)r Z SpecifierSetr �parse�join�map�str)r r Zrequires_python_specifierZpython_version� r �A/usr/lib/python3.9/site-packages/pip/_internal/utils/packaging.py�check_requires_python s r )�distr c C s� d}t | tj�r&| �|�r&| �|�}n0| �d�r@d}| �|�}nt�dt| j�� d}|du rht | |��t � }|� |� |� � S )z� :raises NoneMetadataError: if the distribution reports `has_metadata()` True but `get_metadata()` returns None. ZMETADATAzPKG-INFOzNo metadata found in %s� N) � isinstancer ZDistInfoDistribution� has_metadata� get_metadata�loggerZwarningr �locationr r Zfeed�close)r Z metadata_name�metadataZ feed_parserr r r r ) s � r c C s2 | � d�r.| �d�D ]}|�� r|�� S qdS )NZ INSTALLERr )r Zget_metadata_lines�strip)r �liner r r � get_installerD s r$ i )�maxsize)� req_stringr c C s t | �S )z5Construct a packaging.Requirement object with cachingr )r& r r r �get_requirementL s r' )!� functoolsZloggingZ email.messager Z email.parserr �typingr r Z pip._vendorr Zpip._vendor.packagingr r Z"pip._vendor.packaging.requirementsr Zpip._vendor.pkg_resourcesr Zpip._internal.exceptionsr Zpip._internal.utils.miscr Z getLogger�__name__r r �int�boolr r r$ � lru_cacher' r r r r �<module> s$ �