3
g                 @   sB   d dl mZmZ d dlmZmZmZ edddZG dd dZdS )	    )	ExitStackcontextmanager)ContextManagerIteratorTypeVar_TT)	covariantc                   sL   e Zd Zdd fddZeed dddZee eddd	Z	  Z
S )
CommandContextMixInN)returnc                s   t  j  d| _t | _d S )NF)super__init___in_main_contextr   _main_context)self)	__class__ _/var/www/tester-filtro-web/env/lib/python3.6/site-packages/pip/_internal/cli/command_context.pyr      s    
zCommandContextMixIn.__init__c             c   s<   | j  std| _ z| j d V  W d Q R X W d d| _ X d S )NTF)r   AssertionErrorr   )r   r   r   r   main_context   s    z CommandContextMixIn.main_context)context_providerr
   c             C   s   | j s
t| jj|S )N)r   r   r   enter_context)r   r   r   r   r   r      s    
z!CommandContextMixIn.enter_context)__name__
__module____qualname__r   r   r   r   r   r   r   __classcell__r   r   )r   r   r	      s   
r	   N)	
contextlibr   r   typingr   r   r   r   r	   r   r   r   r   <module>   s   