文件操作 - ContainerIO.cpython-311.pyc
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文件: /usr/lib/python3/dist-packages/PIL/__pycache__/ContainerIO.cpython-311.pyc
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� �"�cC � �( � d dl Z G d� d� � ZdS )� Nc �L � e Zd ZdZd� Zd� Zej fd�Zd� Z d d�Z d� Z d � Z d S ) � ContainerIOzm A file object that provides read access to a part of an existing file (for example a TAR file). c �r � || _ d| _ || _ || _ | j � |� � dS )z� Create file object. :param file: Existing file. :param offset: Start of region, in bytes. :param length: Size of region, in bytes. r N)�fh�pos�offset�length�seek)�self�filer r s �1/usr/lib/python3/dist-packages/PIL/ContainerIO.py�__init__zContainerIO.__init__ s: � � ������ �� � �� � �� � �V� � � � � � c � � dS )NF� �r s r �isattyzContainerIO.isatty, s � ��ur c � � |dk r| j |z | _ n |dk r| j |z | _ n|| _ t dt | j | j � � � � | _ | j � | j | j z � � dS )a Move file pointer. :param offset: Offset in bytes. :param mode: Starting position. Use 0 for beginning of region, 1 for current offset, and 2 for end of region. You cannot move the pointer outside the defined region. � � r N)r r �max�minr r r )r r �modes r r zContainerIO.seek/ s � � �1�9�9��x�&�(�D�H�H� �Q�Y�Y��{�V�+�D�H�H� �D�H��q�#�d�h�� �4�4�5�5��� �� � �T�[�4�8�+�,�,�,�,�,r c � � | j S )ze Get current file pointer. :returns: Offset from start of region, in bytes. )r r s r �tellzContainerIO.tellB s � � �x�r r c �� � |r t || j | j z � � }n| j | j z }|sd| j j v rdndS | j |z | _ | j � |� � S )z� Read data. :param n: Number of bytes to read. If omitted or zero, read until end of region. :returns: An 8-bit string. �br � )r r r r r �read)r �ns r r zContainerIO.readJ ss � � � '��A�t�{�T�X�-�.�.�A�A�� �d�h�&�A�� 6� ��� �-�-�3�3�2� 5��8�a�<����w�|�|�A��� r c � � d| j j v rdnd}d| j j v rdnd} | � d� � }|sn ||z }||k rn�%|S )zJ Read a line of text. :returns: An 8-bit string. r r r � � Tr )r r r )r �s�newline_character�cs r �readlinezContainerIO.readline[ sv � � �$�'�,�&�&�C�C�B��%(�D�G�L�%8�%8�E�E�d�� �� � �!� � �A�� ���A��A��%�%�%�� � �r c �f � g } | � � � }|sn|� |� � �-|S )zZ Read multiple lines of text. :returns: A list of 8-bit strings. )r' �append)r �linesr$ s r � readlineszContainerIO.readlinesl sA � � �� �� � ���A�� �� �L�L��O�O�O� � � r N)r ) �__name__� __module__� __qualname__�__doc__r r �io�SEEK_SETr r r r' r+ r r r r r s� � � � � � �� � � � �"� � � !#� � -� -� -� -�&� � � � � � �"� � �" � � � � r r )r0 r r r r �<module>r2 sL ��$ � � � �c� c� c� c� c� c� c� c� c� cr
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