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    .e	                     @   sB  d Z ddlZddlZddlZddlZddlZzddlmZ W n e	k
rX   ddl
ZY nX zddlmZ W n  e	k
r   ddlmZ Y nX ddlmZ ddlmZmZ ddlmZmZmZ ddlmZmZmZ eeZd	d
 ZdddZefddZdd Z e! Z"e"j#ddd e"j#dddd dd Z$edkr>e$  dS )z2Build metadata for a project using PEP 517 hooks.
    N)Path   )BuildEnvironment)Pep517HookCallerquiet_subprocess_runner)tempdirmkdir_pdir_to_zipfile)validate_systemload_systemcompat_systemc              
   C   s   |  i }td| || td t J}td| | |i }tj||}t	
|tj|tj| W 5 Q R X d S )NzGot build requires: %sz$Installed dynamic build dependencieszTrying to build metadata in %s)Zget_requires_for_build_wheelloginfopip_installr   Z prepare_metadata_for_build_wheelospathjoinshutilZmovebasename)hooksenvdestZreqsZtdfilenamesource r   ;/usr/lib/python3.8/site-packages/pip/_vendor/pep517/meta.py
_prep_meta   s    


r   .c              
   C   s   |p
t | }tj| |pd}t| t| t| |d |d}|t	2 t
  }||d  t||| W 5 Q R X W 5 Q R X d S )NZdistzbuild-backendzbackend-pathZrequires)r   r   r   r   r   r
   r   getZsubprocess_runnerr   r   r   r   )
source_dirr   systemr   r   r   r   r   build)   s      r!   c              
   C   s0   t   }| |d t|W  5 Q R  S Q R X d S )N)r   )r   r	   )builderout_dirr   r   r   build_as_zip8   s    
r$   c                 C   s:   t j| } t| }tjt| |d}tt|}t	
|S )z
    Given a source directory (root) of a package,
    return an importlib.metadata.Distribution object
    with metadata build from that package.
    )r   r    )r   r   
expanduserr   	functoolspartialr!   r   r$   imp_metaZPathDistribution)rootr    r"   r   r   r   r   load>   s
    r*   r   z%A directory containing pyproject.toml)helpz	--out-dirz-oz>Destination in which to save the builds relative to source dirc                  C   s   t  } t| j| j d S )N)parser
parse_argsr!   r   r#   )argsr   r   r   mainV   s    r/   __main__)r   NN)%__doc__argparseZloggingr   r   r&   importlib.metadataZmetadatar(   ImportErrorZimportlib_metadataZzipfiler   ZzippZenvbuildr   Zwrappersr   r   Zdirtoolsr   r   r	   r!   r
   r   r   Z	getLogger__name__r   r   r$   r*   ArgumentParserr,   add_argumentr/   r   r   r   r   <module>   sF   

 
