Your IP : 216.73.216.52
�
4B�i�
� � � d Z ddlZddlZddlZddlZddlZddlZddlZddlm Z dZ
dZ G d� dej � Z
G d � d
ej � Zd ed ed
edej ej ddf fd�Zded
edede
fd�Zde
dedefd�Zej, d ej, dd fdedej. e ddfd�Zedk( r e� yy)z/CLI utility to compute crc32c on an input file.� N� )�crc32ci i � c �6 � e Zd ZU eed< eed< eed< eed< y)�_ChecksumingResult�filename� file_size�checksum�durationN)�__name__�
__module__� __qualname__�str�__annotations__�int�float� � �M/build/lxd/parts/uefivars/install/lib/python3.12/site-packages/crc32c/_cli.pyr r s � ��M��N��M��Or r c �" � e Zd ZU eed< eed< y)�_FormattingOptions�
show_filename�
show_speedN)r r r
�boolr r r r r r s � ����r r �filenor �
block_size�returnc # �� K � t d||� D ]E }t |||z
� }t j | ||t j �� 5 }|�� d d d � �G y # 1 sw Y �RxY w�w)Nr )�length�offset�access)�range�min�mmap� ACCESS_READ)r r r r r �mms r �_mmap_iteratorr& sm � �� � ��9�j�1� ���Z��V�!3�4��
�Y�Y� �6�&��9I�9I�
� �
��H� � �� � �s �AA%� A� A%�A" � A%r �use_mmapc � � t | d� 5 }|j � }t j |� j }|rt |||� }n,t
j |j |� }t |d� }d}t j � } |D ] }
t |
|� }� t j � } d d d � t | z
� S # 1 sw Y �xY w)N�rbr r )�openr �os�stat�st_sizer& � functools�partial�read�iter�time� monotonicr r ) r r r' �
input_filer r �
data_iteratorr0 r �start�data�ends r �
_get_checksumr9 ( s� � �
�h�� � ���"�"�$���G�G�F�O�+�+� � � *�6�9�j� I�M� �$�$�Z�_�_�j�A�D� ��s�O�M������ ��!� .�D� �d�H�-�H� .��n�n� �� � �h� �8�c�E�k� K�K� � �s �B)C�C�result�formatting_optsc �� � | j d�}|j r|d| j � �z
}|j r)| j | j
z }|d|dz dz d�d�z
}|S )N�08x� z (i z.2fz MB/s))r r r r r r
)r: r; �report�speeds r �_format_resultrA ; sr � � ����$�F��$�$��A�f�o�o�&�'�'���!�!�� � �6�?�?�2���B�u�t�|�d�*�3�/�v�6�6�� �Mr �name�argsc � � t j t j d d�� }|j ddd�� |j d� }|j d d
d d �
� |j ddt d�� |j d� }|j dddd �
� |j dddd �
� |j |� }|j }|rt nt }t j t ||�� }t |j |j � } t# ||j$ � D ] }
t' t) |
| � � � y)z Main application entry-point.r z-Calculates and prints crc32c on input file(s))� description� filenames�+z
input file(s))�nargs�helpz I/O optionsz-Mz--disable-mmapz Avoid reading file with mmap�
store_true)rI �actionz-bz --block-sizez Block size for iterative reading)�typerI zFormatting optionsz-sz --show-speedz&Report checksumming speed on each filez-Nz--hide-filenamez Do not print filename in result)r r' N)�argparse�ArgumentParser�sys�argv� add_argument�add_argument_groupr �
parse_args� disable_mmap�DEFAULT_BLOCK_SIZE_MMAP�DEFAULT_BLOCK_SIZE_FREADr. r/ r9 r �
hide_filenamer �maprF �printrA ) rB rC �parser�io_group�formatting_group�optsr' r � get_checksumr; r: s r �mainr_ G sb � � �
$�
$� ���� �!P��F� ��� �3�_��E��(�(� �7�H� ��� � �%C�L� � �
��� ��
�/� � � �0�0�1E�F���!�!� ��
5�� "� � �!�!� ��
.�� "� � � � �T� "�D��$�$�$�H�,4�(�:R�J� �$�$��*�x��L� )�T�-?�-?�)?�� � �Q�O��l�D�N�N�3� 7��
�n�V�_�5�6�7r �__main__)�__doc__rM r. r# r+ rO r2 �typing�_crc32cr rV rU �
NamedTupler r r � Generatorr& r r r9 rA rP �Listr_ r r r r �<module>rg s �� 5� � � � �
� �
� �$� �*� ���*�*� ���*�*� �
� �� ��-0�� ���d�i�i��t�+�,��L�C� L�S� L�D� L�EW� L�& � � �1C� �� � �X�X�a�[�3�8�8�A�B�<� *7�s� *7�� � �C�(8� *7�D� *7�Z �z���F� r