3

g                 @   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j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f d} i }d}xjt f | D ]\}t|j}yt|j|j ||< W q& tk
r } ztjd|| d}W Y dd}~X q&X q&W ||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e r   B/tmp/pip-unpacked-wheel-v59g9nu1/pip/_internal/operations/check.py!create_package_set_from_installed(   s    

r    c             C   s   |dkrdd }i }i }x| D ]}t  }t  }||r8qxz| | jD ]l}t|j}|| krd}	|jdk	rr|jj }	|	rD|j||f qD| | j}
|jj	|
ddsD|j||
|f qDW |rt
|td||< |rt
|td||< qW ||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    




r3   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>|   s    z)check_install_conflicts.<locals>.<lambda>)r!   )r    _simulate_installation_of_create_whitelistr3   )
to_installr   _would_be_installedr   )r4   r   check_install_conflictsl   s    


r;   c             C   sP   t  }xD| D ]<}t|}|j }t|j}t|j|j ||< |j| qW |S )zBComputes the version of packages after installing to_install.
    )	r$   r   get_pkg_resources_distributionr   r#   r   r   r   r'   )r8   r   	installedinst_reqabstract_distr   r   r   r   r   r6      s    

r6   c             C   sR   t | }xD|D ]<}||krqx,|| jD ]}t|j|kr(|j| P q(W qW |S )N)r$   r   r   r   r'   )r:   r   packages_affectedr.   r1   r   r   r   r7      s    


r7   )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    r3   r;   r6   r7   r   r   r   r   <module>   s.   
$
/