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편집 파일: req_command.cpython-38.pyc
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This class is in a separate module so the commands that do not always need PackageFinder capability don't unnecessarily import the PackageFinder machinery and all its vendored dependencies, etc. � N)�partial)�Values)�Any�List�Optional�Tuple)� WheelCache)� cmdoptions)�IndexGroupCommand)�SessionCommandMixin)� CommandError�PreviousBuildDirError)� LinkCollector)� PackageFinder)�SelectionPreferences)� TargetPython)� PipSession)� BuildTracker)�RequirementPreparer)�install_req_from_editable�install_req_from_line�#install_req_from_parsed_requirement�install_req_from_req_string)�parse_requirements)�InstallRequirement)� BaseResolver)� TempDirectory�TempDirectoryTypeRegistry� tempdir_kinds)�func�returnc s6 t dd�dd�� tttt tt d�� �fdd� }|S )zNDecorator for common logic related to managing temporary directories. 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This experimental feature is enabled through --use-feature=fast-deps and it is not ready for production.Tz;fast-deps has no effect when used with the legacy resolver.)� build_dir�src_dirrE �build_isolation�check_build_depsrA rB � progress_barrC �require_hashesrD � lazy_wheelrF �legacy_resolver) �pathr- r? �features_enabled�logger�warningr rH rI rJ rK rL ) �clsr@ r) rA rB rC rD rE rF �temp_build_dir_pathrN �resolver_variantrM r% r% r& �make_requirement_preparer\ s@ � ��z,RequirementCommand.make_requirement_preparerFT�to-satisfy-only.) �preparerrC r) � wheel_cacherD �ignore_installed�ignore_requires_python�force_reinstall�upgrade_strategy� use_pep517�py_version_infor c C s� t t|j| d�} | �|�} | dkrTddl}|jjjjj |||| ||j |||| | d� S ddl }|jjj jj |||| ||j |||| | d� S )zF Create a Resolver instance for the given parameters. )�isolatedr^ r< r N) rX rC rY �make_install_reqrD �ignore_dependenciesrZ r[ r\ r] r_ ) r r � isolated_moder? �,pip._internal.resolution.resolvelib.resolver� _internal� resolutionr< �resolver�Resolverrb �(pip._internal.resolution.legacy.resolverr; )rS rX rC r) rY rD rZ r[ r\ r] r^ r_ ra rU �pipr% r% r& � make_resolver� sF � � �z RequirementCommand.make_resolver)r* r) rC rB r c C sv g }|j D ]6}t|d|||d�D ] }t||jdd�}|�|� q q |D ].} t| d|j|jdt|dd�d�}|�|� qF|jD ],} t | d|j|jt|dd�d�}|�|� q||j D ]L}t||||d �D ]6}t||j|jd|j r�|j � d�ndd �}|�|� q�q�t d d � |D ���rd|_|�sr|j�sr|j �srd | ji} |j�rbtdjf t| d�|j�d����ntdjf | ���|S )zS Parse command-line arguments into the corresponding requirements. 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N)� search_scope�get_formatted_locationsrQ �info)rC r� � locationsr% r% r& �trace_basic_info$ s z#RequirementCommand.trace_basic_info)r) rB � target_pythonr[ r c C s6 t j||d�}td|j|j|j|d�}tj|||d�S )z� Create a package finder appropriate to this requirement command. :param ignore_requires_python: Whether to ignore incompatible "Requires-Python" values in links. 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