o
    h                     @  s   d dl mZ d dlZd dlmZ d dlmZmZmZ d dl	m
Z
mZmZ d dlmZ er2d dlmZ dZg d	ZG d
d dZG dd deZdS )    )annotationsN)Iterable)TYPE_CHECKINGBinaryIONoReturn)HashMismatchHashMissingInstallationError)read_chunks)_Hashsha256)r   sha384sha512c                   @  s   e Zd ZdZd/d0ddZd1d
dZed2ddZd3ddZd4ddZ	d5ddZ
d6d d!Zd7d#d$Zd8d&d'Zd9d(d)Zd:d+d,Zd2d-d.ZdS );HasheszaA wrapper that builds multiple hashes at once and checks them against
    known-good values

    Nhashesdict[str, list[str]] | NonereturnNonec                 C  s>   i }|dur|  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   M/var/www/html/venv/lib/python3.10/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__otherc                   sb   t |tstS |sS s|S i }|j D ]\ } jvr q fdd|D | < qt|S )Nc                   s   g | ]}|j   v r|qS r   )r   )r   vr   r   r   r   r   :   s    z"Hashes.__and__.<locals>.<listcomp>)
isinstancer   NotImplementedr   r   )r   r"   newvaluesr   r$   r   __and__*   s   

zHashes.__and__intc                 C  s   t dd | j D S )Nc                 s  s    | ]}t |V  qd S N)len)r   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str
hex_digestboolc                 C  s   || j |g v S )z/Return whether the given hex digest is allowed.)r   get)r   r2   r4   r   r   r   is_hash_allowedA   s   zHashes.is_hash_allowedchunksIterable[bytes]c              
   C  s   i }| j  D ]}z	t|||< W q ttfy"   td| w |D ]}| D ]}|| q+q%|	 D ]\}}|
 | j | v rH dS q8| | 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   r8   gotsr2   chunkhashgotr   r   r   check_against_chunksE   s    zHashes.check_against_chunksr@   dict[str, _Hash]r   c                 C  s   t | j|r+   )r   r   r   r@   r   r   r   r?   \   s   zHashes._raisefiler   c                 C  s   |  t|S )zaCheck good hashes against a file-like object

        Raise HashMismatch if none match.

        )rD   r
   )r   rG   r   r   r   check_against_file_   s   zHashes.check_against_filepathc                 C  s8   t |d}| |W  d    S 1 sw   Y  d S )Nrb)openrH   )r   rI   rG   r   r   r   check_against_pathg   s   $zHashes.check_against_pathdict[str, str]c                 C  s(   |  D ]\}}| ||r dS qdS )z3Return whether any of the given hashes are allowed.TF)r   r7   )r   r   r2   r4   r   r   r   
has_one_ofk   s
   zHashes.has_one_ofc                 C  s
   t | jS )z,Return whether I know any known-good hashes.)r5   r   r0   r   r   r   __bool__r   s   
zHashes.__bool__objectc                 C  s   t |tstS | j|jkS r+   )r%   r   r&   r   )r   r"   r   r   r   __eq__v   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   digest_listdigestr   r   r   r.   ~   s    z"Hashes.__hash__.<locals>.<genexpr>)rB   rT   r   r   r   r0   r   r   r   __hash__{   s   zHashes.__hash__r+   )r   r   r   r   )r"   r   r   r   )r   r*   )r2   r3   r4   r3   r   r5   )r8   r9   r   r   r@   rE   r   r   )rG   r   r   r   )rI   r3   r   r   )r   rM   r   r5   )r   r5   )r"   rP   r   r5   )__name__
__module____qualname____doc__r!   r)   propertyr1   r7   rD   r?   rH   rL   rN   rO   rQ   rW   r   r   r   r   r      s    








r   c                      s,   e Zd ZdZd fddZ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.

    r   r   c                   s   t  jtg id dS )z!Don't offer the ``hashes`` kwarg.)r   N)superr!   FAVORITE_HASHr0   	__class__r   r   r!      s   zMissingHashes.__init__r@   rE   r   c                 C  s   t |t  r+   )r   r`   r>   rF   r   r   r   r?      s   zMissingHashes._raise)r   r   rX   )rY   rZ   r[   r\   r!   r?   __classcell__r   r   ra   r   r^      s    r^   )
__future__r   r:   collections.abcr   typingr   r   r   pip._internal.exceptionsr   r   r	   pip._internal.utils.miscr
   r   r`   STRONG_HASHESr   r^   r   r   r   r   <module>   s    o