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hashes.cpython-312.pyc
� O:]h� � � � d dl Z d dlmZmZmZmZmZmZ d dlm Z m Z m Z d dl m Z er d dl mZ d dlmZ dZg d�Z G d � d � Z G d � d e� Zy) � N)� TYPE_CHECKING�BinaryIO�Dict�Iterable�List�Optional)� HashMismatch� HashMissing�InstallationError)� read_chunks)�_Hash)�NoReturn�sha256)r �sha384�sha512c � � e Zd ZdZddeeeee f ddfd�Zdd�Z e de fd�� Z d ed ede fd �Zd ee ddfd �Zdeedf ddfd�Zdeddfd�Zdeddfd�Zdeeef de fd�Zde fd�Zdede fd�Zde fd�Zy) �HasheszaA wrapper that builds multiple hashes at once and checks them against known-good values N�hashes�returnc �f � i }|�&|j � D ] \ }}t |� ||< � || _ y)zo :param hashes: A dict of algorithm names pointing to lists of allowed hex digests N)�items�sorted�_allowed)�selfr �allowed�alg�keyss �</usr/lib/python3/dist-packages/pip/_internal/utils/hashes.py�__init__zHashes.__init__ s> � � �� � � #�\�\�^� ,� ��T� %�d�|��� � ,� �� � �otherc � � t |t � st S |s| S | s|S i }|j j � D ]9 \ }}|| j vr�|D �cg c] }|| j | v s�|�� c}||< �; t |� S c c}w �N)� isinstancer �NotImplementedr r )r r! �newr �values�vs r �__and__zHashes.__and__+ s� � ��%��(�!� !� ��K���L� �� �>�>�/�/�1� F�K�C���$�-�-�'��#)�E�a�Q�$�-�-��2D�-D��E�C��H� F� �c�{��� Fs �B�+Bc �V � t d� | j j � D � � S )Nc 3 �2 K � | ] }t |� �� � y �wr# )�len)�.0�digestss r � <genexpr>z&Hashes.digest_count.<locals>.<genexpr>@ s � �� �F�G�3�w�<�F�s �)�sumr r' �r s r � digest_countzHashes.digest_count> s � ��F�t�}�}�/C�/C�/E�F�F�Fr � hash_name� hex_digestc �> � || j j |g � v S )z/Return whether the given hex digest is allowed.)r �get)r r3 r4 s r �is_hash_allowedzHashes.is_hash_allowedB s � ��T�]�]� .� .�y�"� =�=�=r �chunksc � � i }| j j � D ] } t j |� ||< � |D ]( }|j � D ] }|j |� � �* |j � D ]& \ }}|j � | j | v s�& y | j |� y# t t f$ r t d|� �� �w xY w)z�Check good hashes against ones built from iterable of chunks of data. Raise HashMismatch if none match. zUnknown hash name: N) r r �hashlibr& � ValueError� TypeErrorr r' �updater � hexdigest�_raise)r r8 �gotsr3 �chunk�hash�gots r �check_against_chunkszHashes.check_against_chunksF s� � � �� � � �+�+�-� K�I� K�")�+�+�i�"8��Y�� K� � #�E� � � � � #��� � �E�"� #� #� #�j�j�l� �N�I�s��}�}��$�-�-� �":�:�� � � � �D��� � �*� K�'�*=�i�[�(I�J�J� K�s �B3�3 Cr@ r r c �. � t | j |� �r# )r r �r r@ s r r? z Hashes._raise] s � ��4�=�=�$�/�/r �filec �6 � | j t |� � S )zaCheck good hashes against a file-like object Raise HashMismatch if none match. )rD r )r rG s r �check_against_filezHashes.check_against_file` s � � �(�(��T�):�;�;r �pathc �h � t |d� 5 }| j |� cd d d � S # 1 sw Y y xY w)N�rb)�openrI )r rJ rG s r �check_against_pathzHashes.check_against_pathh s1 � � �$�� � 1���*�*�4�0� 1� 1� 1�s �(�1c �\ � |j � D ] \ }}| j ||� s� y y)z3Return whether any of the given hashes are allowed.TF)r r7 )r r r3 r4 s r � has_one_ofzHashes.has_one_ofl s4 � �%+�\�\�^� � !�I�z��#�#�I�z�:�� � r c �, � t | j � S )z,Return whether I know any known-good hashes.)�boolr r1 s r �__bool__zHashes.__bool__s s � ��D�M�M�"�"r c �` � t |t � st S | j |j k( S r# )r$ r r% r )r r! s r �__eq__z Hashes.__eq__w s% � ��%��(�!� !��}�}����.�.r c � � t dj t d� | j j � D � � � � S )N�,c 3 �V K � | ]! \ }}|D ] }d j ||f� �� � �# y�w)�:N)�join)r- r � digest_list�digests r r/ z"Hashes.__hash__.<locals>.<genexpr> s> � �� � �(��[�"-�� � �H�H�c�6�]�+��+��s �'))rB rZ r r r r1 s r �__hash__zHashes.__hash__| s= � �� �H�H�� �,0�M�M�,?�,?�,A�� � � � r r# )r! r r r )�__name__� __module__� __qualname__�__doc__r r �strr r r) �property�intr2 rR r7 r �bytesrD r? r rI rN rP rS �objectrU r] � r r r r s � �� �x��S�$�s�)�^�(<� =� �� ��& �G�c� G� �G�>�� >�#� >�$� >��8�E�?� �t� �.0�4��W� �-� 0�*� 0�<�x� <�D� <�1�s� 1�t� 1���c�3�h� � �D� �#�$� #�/�F� /�t� /� �#� r r c �> � � e Zd ZdZd� fd� Zdeedf ddfd�Z� xZS ) � MissingHashesz�A workalike for Hashes used when we're missing a hash for a requirement It computes the actual hash of the requirement and raises a HashMissing exception showing it to the user. r c �2 �� t �| � t g i�� y)z!Don't offer the ``hashes`` kwarg.)r N)�superr � FAVORITE_HASH)r � __class__s �r r zMissingHashes.__init__� s �� � ��� �� 3��4r r@ r r c �B � t |t j � � �r# )r rl r> rF s r r? zMissingHashes._raise� s � ��$�}�-�7�7�9�:�:r )r N) r^ r_ r` ra r r rb r? � __classcell__)rm s @r ri ri � s) �� ��5� ;�4��W� �-� ;�*� ;r ri )r: �typingr r r r r r �pip._internal.exceptionsr r r �pip._internal.utils.miscr r r rl � STRONG_HASHESr ri rg r r �<module>rt sI �� � J� J� Q� Q� 0�� � � � � /� �l � l �^;�F� ;r
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