o {iN@szddlZddlmZddlmZmZmZddlmZddl m Z m Z ddl m Z ddZd d Zed gd Zd dZdS)N) namedtuple)AnyListOptional)tomli)InvalidRequirement Requirement)InstallationErrorcCst|to tdd|DS)Ncss|]}t|tVqdS)N) isinstancestr).0itemraC:\Users\psant\Downloads\Anu Raj Backend\school\venv\Lib\site-packages\pip/_internal/pyproject.py sz"_is_list_of_str..)r listall)objrrr_is_list_of_str s rcCstj|dS)Nzpyproject.toml)ospathjoin)unpacked_source_directoryrrrmake_pyproject_pathsrBuildSystemDetails)requiresbackendcheck backend_pathc Cstj|}tj|}|r/t|dd }t|}Wdn1s$wY|d}nd}|rB|sB|dur?|s?tdd}n|rZd|vrZ|durW|sWtd|dd}n|dur`|}|dusfJ|sjdS|durud d gd d }|dus{Jd } d|vrt| j|dd|d} t | st| j|dd| D]} zt | Wqt yt| j|d| dw|d} |dg} g}| durd } d d g}t | | || S)aBLoad the pyproject.toml file. Parameters: use_pep517 - Has the user requested PEP 517 processing? None means the user hasn't explicitly specified. pyproject_toml - Location of the project's pyproject.toml file setup_py - Location of the project's setup.py file req_name - The name of the requirement we're processing (for error reporting) Returns: None if we should use the legacy code path, otherwise a tuple ( requirements from pyproject.toml, name of PEP 517 backend, requirements we should check are installed after setting up the build environment directory paths to import the backend from (backend-path), relative to the project root. ) zutf-8)encodingNz build-systemzIDisabling PEP 517 processing is invalid: project does not have a setup.pyT build-backendzbDisabling PEP 517 processing is invalid: project specifies a build backend of {} in pyproject.tomlzsetuptools>=40.8.0wheelz setuptools.build_meta:__legacy__)rr zO{package} has a pyproject.toml file that does not comply with PEP 518: {reason}rz]it has a 'build-system' table but not 'build-system.requires' which is mandatory in the table)packagereasonz1'build-system.requires' is not a list of strings.z='build-system.requires' contains an invalid requirement: {!r}z backend-path) rrisfileopenrloadgetr formatrrrr) use_pep517pyproject_tomlsetup_pyreq_name has_pyproject has_setupfpp_toml build_systemerror_templater requirementrrrrrrload_pyproject_tomls              r4)r collectionsrtypingrrr pip._vendorrZ"pip._vendor.packaging.requirementsrrpip._internal.exceptionsr rrrr4rrrrs