U
    cUhl                     @   s   d dl Z d dlmZmZmZmZmZmZmZ d dl	m
Z
mZmZ d dlmZ er\d dl mZ dZdddgZG d	d
 d
ZG dd deZdS )    N)TYPE_CHECKINGBinaryIODictIterableListNoReturnOptional)HashMismatchHashMissingInstallationError)read_chunks)_Hashsha256sha384sha512c                   @   s   e Zd ZdZd%eeeee f  ddddZd d dddZ	e
ed	d
dZeeedddZee ddddZeedf ddddZeddddZeddddZeeef edddZed	dd Zeedd!d"Zed	d#d$ZdS )&HasheszaA wrapper that builds multiple hashes at once and checks them against
    known-good values

    N)hashesreturnc                 C   s>   i }|dk	r4|  D ]\}}dd t|D ||< q|| _dS )zo
        :param hashes: A dict of algorithm names pointing to lists of allowed
            hex digests
        Nc                 S   s   g | ]}|  qS  )lower).0kr   r   Z/opt/bot/vods_filmes/script/venv/lib/python3.8/site-packages/pip/_internal/utils/hashes.py
<listcomp>$   s     z#Hashes.__init__.<locals>.<listcomp>)itemssorted_allowed)selfr   allowedalgkeysr   r   r   __init__   s
    zHashes.__init__)otherr   c                    sb   t |tstS |sS s|S i }|j D ],\ } jkr@q, fdd|D | < q,t|S )Nc                    s   g | ]}|j   kr|qS r   )r   )r   vr   r   r   r   r   7   s      z"Hashes.__and__.<locals>.<listcomp>)
isinstancer   NotImplementedr   r   )r   r"   newvaluesr   r$   r   __and__'   s    

zHashes.__and__r   c                 C   s   t dd | j D S )Nc                 s   s   | ]}t |V  qd S N)len)r   Zdigestsr   r   r   	<genexpr><   s     z&Hashes.digest_count.<locals>.<genexpr>)sumr   r(   r   r   r   r   digest_count:   s    zHashes.digest_count)	hash_name
hex_digestr   c                 C   s   || j |g kS )z/Return whether the given hex digest is allowed.)r   get)r   r1   r2   r   r   r   is_hash_allowed>   s    zHashes.is_hash_allowed)chunksr   c              
   C   s   i }| j  D ]>}zt|||< W q ttfk
rJ   td| Y qX q|D ]}| D ]}|| q^qR|	 D ] \}}|
 | j | krx dS qx| | dS )zCheck good hashes against ones built from iterable of chunks of
        data.

        Raise HashMismatch if none match.

        zUnknown hash name: N)r   r    hashlibr'   
ValueError	TypeErrorr   r(   updater   	hexdigest_raise)r   r5   gotsr1   chunkhashZgotr   r   r   check_against_chunksB   s    zHashes.check_against_chunksr   r   r<   r   c                 C   s   t | j|d S r+   )r	   r   r   r<   r   r   r   r;   Y   s    zHashes._raise)filer   c                 C   s   |  t|S )zaCheck good hashes against a file-like object

        Raise HashMismatch if none match.

        )r?   r   )r   rB   r   r   r   check_against_file\   s    zHashes.check_against_file)pathr   c              
   C   s,   t |d}| |W  5 Q R  S Q R X d S )Nrb)openrC   )r   rD   rB   r   r   r   check_against_pathd   s    zHashes.check_against_pathc                 C   s(   |  D ]\}}| ||r dS qdS )z3Return whether any of the given hashes are allowed.TF)r   r4   )r   r   r1   r2   r   r   r   
has_one_ofh   s    zHashes.has_one_ofc                 C   s
   t | jS )z,Return whether I know any known-good hashes.)boolr   r/   r   r   r   __bool__o   s    zHashes.__bool__c                 C   s   t |tstS | j|jkS r+   )r%   r   r&   r   )r   r"   r   r   r   __eq__s   s    
zHashes.__eq__c                 C   s"   t dtdd | j D S )N,c                 s   s*   | ]"\}}|D ]}d  ||fV  qqdS ):N)join)r   r   Zdigest_listdigestr   r   r   r-   {   s    z"Hashes.__hash__.<locals>.<genexpr>)r>   rN   r   r   r   r/   r   r   r   __hash__x   s    zHashes.__hash__)N)__name__
__module____qualname____doc__r   r   strr   r!   r)   propertyintr0   rI   r4   r   bytesr?   r;   r   rC   rG   rH   rJ   objectrK   rP   r   r   r   r   r      s   "r   c                       s>   e Zd ZdZdd fddZeedf ddd	d
Z  ZS )MissingHasheszA workalike for Hashes used when we're missing a hash for a requirement

    It computes the actual hash of the requirement and raises a HashMissing
    exception showing it to the user.

    Nr*   c                    s   t  jtg id dS )z!Don't offer the ``hashes`` kwarg.)r   N)superr!   FAVORITE_HASHr/   	__class__r   r   r!      s    zMissingHashes.__init__r   r   r@   c                 C   s   t |t  d S r+   )r
   r\   r:   rA   r   r   r   r;      s    zMissingHashes._raise)	rQ   rR   rS   rT   r!   r   rU   r;   __classcell__r   r   r]   r   rZ      s   rZ   )r6   typingr   r   r   r   r   r   r   pip._internal.exceptionsr	   r
   r   pip._internal.utils.miscr   r   r\   STRONG_HASHESr   rZ   r   r   r   r   <module>   s   $
o