B
    He                 @   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	Generator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    d| _t | _d S )NF)super__init___in_main_contextr   _main_context)self)	__class__ u/var/www/downstreamdata.science/rtclock/rtclock-venv/lib/python3.7/site-packages/pip/_internal/cli/command_context.pyr      s    
zCommandContextMixIn.__init__)NNNc          	   c   s:   | j r
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|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   