B
    uf                 @   sx  d Z ddlZddlmZmZmZmZmZmZm	Z	 ddl
mZ ddlmZ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G d
d deZeee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	ee f Z!e	ee"f dddZ#deeee$ge"f  e dddZ%ee e!dddZ&ee eee dddZ'ee eee dddZ(dS )z'Validation of dependencies of packages
    N)CallableDictList
NamedTupleOptionalSetTuple)Requirement)NormalizedNamecanonicalize_name))make_distribution_for_install_requirement)get_default_environment)DistributionVersion)InstallRequirementc               @   s"   e Zd ZU eed< ee ed< dS )PackageDetailsversiondependenciesN)__name__
__module____qualname__r   __annotations__r   r	    r   r   `/home/ankuromar296_gmail_com/myenv/lib/python3.7/site-packages/pip/_internal/operations/check.pyr      s   
r   )returnc              C   s   i } d}t  }xv|jdddD ]d}|j}y t| }t|j|| |< W q ttfk
r } zt	
d|| d}W dd}~X Y qX qW | |fS )z3Converts a list of distributions into a PackageSet.Fr   )
local_onlyskipz%Error parsing requirements for %s: %sTN)r   iter_installed_distributionscanonical_namelistiter_dependenciesr   r   OSError
ValueErrorloggerwarning)package_setproblemsenvdistnamer   er   r   r   !create_package_set_from_installed"   s    r*   )r$   should_ignorer   c             C   s   i }i }x|   D ]\}}t }t }|r4||r4qx||jD ]r}t|j}	|	| krd}
|jdk	rp|jddi}
|
r<||	|f q<| |	 j}|j	j
|dds<||	||f q<W |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.
    TNextra )prereleases)key)itemssetr   r   r(   markerevaluateaddr   	specifiercontainssortedstr)r$   r+   missingconflictingpackage_nameZpackage_detailZmissing_depsZconflicting_depsreqr(   Zmissedr   r   r   r   check_package_set3   s0    	


r=   )
to_installr   c                s6   t  \}}t| |}t|| |t| fdddfS )zeFor checking if the dependency graph would be consistent after     installing given requirements
    c                s   |  kS )Nr   )r(   )	whitelistr   r   <lambda>o       z)check_install_conflicts.<locals>.<lambda>)r+   )r*   _simulate_installation_of_create_whitelistr=   )r>   r$   _would_be_installedr   )r?   r   check_install_conflicts`   s    


rF   )r>   r$   r   c             C   sP   t  }xD| D ]<}t|}| }|j}t|jt| ||< || qW |S )z=Computes the version of packages after installing to_install.)	r1   r   get_metadata_distributionr   r   r   r   r   r4   )r>   r$   	installedZinst_reqabstract_distr'   r(   r   r   r   rB   t   s    
rB   )rE   r$   r   c             C   sR   t | }xD|D ]<}||krqx,|| jD ]}t|j|kr(|| P q(W qW |S )N)r1   r   r   r(   r4   )rE   r$   Zpackages_affectedr;   r<   r   r   r   rC      s    


rC   )N))__doc__loggingtypingr   r   r   r   r   r   r   "pip._vendor.packaging.requirementsr	   pip._vendor.packaging.utilsr
   r   pip._internal.distributionsr   pip._internal.metadatar   Zpip._internal.metadata.baser   pip._internal.req.req_installr   	getLoggerr   r"   r   Z
PackageSetZMissingZConflictingZMissingDictZConflictingDictZCheckResultConflictDetailsboolr*   r8   r=   rF   rB   rC   r   r   r   r   <module>   s2   $
+