a
    `3                     @   s   d dl mZ d dlZd dlZd dlZd dlmZ d dlmZm	Z	 d dl
mZmZ d dlmZmZ d dlmZ erd dlmZ d d	lmZ eeZG d
d deZdd ZdS )    )absolute_importN)Command)ERRORSUCCESS)FAVORITE_HASHSTRONG_HASHES)read_chunkswrite_output)MYPY_CHECK_RUNNING)Values)Listc                   @   s(   e Zd ZdZdZdZdd Zdd ZdS )	HashCommandz
    Compute a hash of a local package archive.

    These can be used with --hash in a requirements file to do repeatable
    installs.
    z%prog [options] <file> ...Tc                 C   s:   | j jdddtdtddtd | jd| j  d S )	Nz-az--algorithm	algorithmZstorez$The hash algorithm to use: one of {}z, )destchoicesactiondefaulthelpr   )Zcmd_optsZ
add_optionr   r   formatjoinparserZinsert_option_group)self r   =/usr/lib/python3/dist-packages/pip/_internal/commands/hash.pyadd_options   s    zHashCommand.add_optionsc                 C   s>   |s| j tj tS |j}|D ]}td||t|| q tS )Nz%s:
--hash=%s:%s)	r   Zprint_usagesysstderrr   r   r	   _hash_of_filer   )r   Zoptionsargsr   pathr   r   r   run+   s    zHashCommand.runN)__name__
__module____qualname____doc__ZusageZignore_require_venvr   r    r   r   r   r   r      s
   r   c                 C   sT   t | d2}t|}t|D ]}|| qW d   n1 sB0    Y  | S )z!Return the hash digest of a file.rbN)openhashlibnewr   updateZ	hexdigest)r   r   archivehashchunkr   r   r   r   8   s
    
*r   )Z
__future__r   r'   Zloggingr   Zpip._internal.cli.base_commandr   Zpip._internal.cli.status_codesr   r   Zpip._internal.utils.hashesr   r   Zpip._internal.utils.miscr   r	   Zpip._internal.utils.typingr
   Zoptparser   typingr   Z	getLoggerr!   Zloggerr   r   r   r   r   r   <module>   s   
$