U
    @vg                     @   s   d Z ddlZddlmZ ddlmZ ddlmZ ddlm	Z	 ddl
mZ ddlmZ eeZerdd	lmZ dd
lmZmZmZmZmZmZmZ eedf Zeeef Zeeeef Zeeee f Zeeee f Z eee f Z!edddgZ"dd Z#dddZ$dd Z%dd Z&dd Z'dS )z'Validation of dependencies of packages
    N)
namedtuple)canonicalize_name)RequirementParseError))make_distribution_for_install_requirement)get_installed_distributions)MYPY_CHECK_RUNNING)InstallRequirement)AnyCallableDictOptionalSetTupleListPackageDetailsversionrequiresc                  K   s   | i krddd} i }d}t f | D ]\}t|j}zt|j| ||< W q$ tk
r~ } ztd|| d}W 5 d}~X Y q$X q$||fS )z8Converts a list of distributions into a PackageSet.
    F )
local_onlyskipz%Error parsing requirements for %s: %sTN)	r   r   project_namer   r   r   r   loggerwarning)kwargspackage_setproblemsdistnameer   r   B/tmp/pip-unpacked-wheel-gw11q0wt/pip/_internal/operations/check.py!create_package_set_from_installed(   s    

r    c                 C   s   |dkrdd }i }i }| D ]}t  }t  }||r6q| | jD ]l}t|j}|| krd}	|jdk	rn|j }	|	r@|||f q@| | j}
|jj	|
dds@|||
|f q@|rt
|td||< |rt
|td||< q||fS )zCheck if a package set is consistent

    If should_ignore is passed, it should be a callable that takes a
    package name and returns a boolean.
    Nc                 S   s   dS )NFr   r   r   r   r   should_ignoreE   s    z(check_package_set.<locals>.should_ignoreT)prereleases)key)setr   r   r   markerevaluateaddr   	specifiercontainssortedstr)r   r"   missingconflictingpackage_namemissing_depsconflicting_depsreqr   missedr   r   r   r   check_package_set=   s4    



r4   c                    s6   t  \}}t| |}t|| |t| fdddfS )zeFor checking if the dependency graph would be consistent after     installing given requirements
    c                    s   |  kS Nr   r!   	whitelistr   r   <lambda>|       z)check_install_conflicts.<locals>.<lambda>)r"   )r    _simulate_installation_of_create_whitelistr4   )
to_installr   _would_be_installedr   r6   r   check_install_conflictsl   s    


 
r?   c                 C   sL   t  }| D ]<}t|}| }t|j}t|j| ||< || q
|S )zBComputes the version of packages after installing to_install.
    )	r%   r   get_pkg_resources_distributionr   r$   r   r   r   r(   )r<   r   	installedinst_reqabstract_distr   r   r   r   r   r:      s    
r:   c                 C   sL   t | }|D ]:}||krq|| jD ] }t|j|kr$||  qq$q|S r5   )r%   r   r   r   r(   )r>   r   packages_affectedr/   r2   r   r   r   r;      s    
r;   )N)(__doc__loggingcollectionsr   pip._vendor.packaging.utilsr   Zpip._vendor.pkg_resourcesr   pip._internal.distributionsr   pip._internal.utils.miscr   pip._internal.utils.typingr   	getLogger__name__r   pip._internal.req.req_installr   typingr	   r
   r   r   r   r   r   r,   Z
PackageSetZMissingZConflictingZMissingDictZConflictingDictZCheckResultr   r    r4   r?   r:   r;   r   r   r   r   <module>   s.   
$
/