B
    He^                 @   s   d dl Z d dlmZmZ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 d dlmZ e eZG d	d
 d
eZdS )    N)IterableSetTuple)BuildEnvironment)AbstractDistribution)InstallationError)PackageFinder)BaseDistribution)runner_with_spinner_messagec               @   s   e Zd ZdZedddZeeeddddZedd	d
dZ	e
e dddZe
e dddZedd	ddZeeeeef  ddddZee ddddZdS )SourceDistributionzRepresents a source distribution.

    The preparation step for these needs metadata for the packages to be
    generated, either using PEP 517 or using the legacy `setup.py egg_info`.
    )returnc             C   s
   | j  S )N)reqget_dist)self r   u/var/www/downstreamdata.science/rtclock/rtclock-venv/lib/python3.7/site-packages/pip/_internal/distributions/sdist.pyget_metadata_distribution   s    z,SourceDistribution.get_metadata_distributionN)finderbuild_isolationcheck_build_depsr   c       	      C   s   | j   | j jo|}|r8| | | j   | | | j joB|}|r| j j}|d k	s\t| j j	|\}}|r~| 
d| |r| | | j   d S )Nzthe backend dependencies)r   load_pyproject_toml
use_pep517_prepare_build_backendisolated_editable_sanity_check_install_build_reqspyproject_requiresAssertionError	build_envcheck_requirements_raise_conflicts_raise_missing_reqsprepare_metadata)	r   r   r   r   should_isolateZshould_check_depsr   conflictingmissingr   r   r   prepare_distribution_metadata   s"    





z0SourceDistribution.prepare_distribution_metadata)r   r   c          	   C   s   | j j}|d k	stt | j _| j jj||ddd | j j| j j\}}|rZ| d| |rt	
d| j  t	
ddttt| d S )Noverlayzbuild dependencies)kindz"PEP 517/518 supported requirementsz4Missing build requirements in pyproject.toml for %s.z`The project does not specify a build backend, and pip cannot fall back to setuptools without %s.z and )r   r   r   r   r   install_requirementsr   requirements_to_checkr   loggerwarningjoinmapreprsorted)r   r   r   r#   r$   r   r   r   r   ?   s     
z)SourceDistribution._prepare_build_backendc          
   C   sN   | j j< td}| j j}|d k	s&t||
 | S Q R X W d Q R X d S )Nz#Getting requirements to build wheel)r   r   r
   pep517_backendr   subprocess_runnerget_requires_for_build_wheel)r   runnerbackendr   r   r   _get_build_requires_wheelY   s    
z,SourceDistribution._get_build_requires_wheelc          
   C   sN   | j j< td}| j j}|d k	s&t||
 | S Q R X W d Q R X d S )Nz&Getting requirements to build editable)r   r   r
   r0   r   r1   get_requires_for_build_editable)r   r3   r4   r   r   r   _get_build_requires_editablea   s    
z/SourceDistribution._get_build_requires_editablec             C   sh   | j jr$| j jr$| j  r$|  }n|  }| j j|\}}|rN| d| | j jj	||ddd d S )Nzthe backend dependenciesnormalzbackend dependencies)r'   )
r   editablepermit_editable_wheelssupports_pyproject_editabler7   r5   r   r   r   r(   )r   r   
build_reqsr#   r$   r   r   r   r   k   s    

z&SourceDistribution._install_build_reqs)conflicting_withconflicting_reqsr   c             C   s6   d}|j | j|ddd t|D d}t|d S )NzZSome build dependencies for {requirement} conflict with {conflicting_with}: {description}.z, c             s   s    | ]\}}| d | V  qdS )z is incompatible with Nr   ).0	installedwantedr   r   r   	<genexpr>   s   z6SourceDistribution._raise_conflicts.<locals>.<genexpr>)requirementr=   description)formatr   r,   r/   r   )r   r=   r>   format_stringerror_messager   r   r   r   ~   s    z#SourceDistribution._raise_conflicts)r$   r   c             C   s0   d}|j | jdttt|d}t|d S )NzASome build dependencies for {requirement} are missing: {missing}.z, )rC   r$   )rE   r   r,   r-   r.   r/   r   )r   r$   rF   rG   r   r   r   r       s    z&SourceDistribution._raise_missing_reqs)__name__
__module____qualname____doc__r	   r   r   boolr%   r   r   strr5   r7   r   r   r   r   r    r   r   r   r   r      s   "
r   )loggingtypingr   r   r   pip._internal.build_envr    pip._internal.distributions.baser   pip._internal.exceptionsr   "pip._internal.index.package_finderr   pip._internal.metadatar	   pip._internal.utils.subprocessr
   	getLoggerrH   r*   r   r   r   r   r   <module>   s   
