File manager

�

�0�i1��t�dZd
dl
Z
d
dlZe
jZGd�de
j��ZGd�de
j��ZdS)z7Internal classes used by the gzip, lzma and bz2 modules�Nc
�*�eZ
dZd
Zd�Zd�Zd�Zd�ZdS)�
BaseStreamzMode-checking helper functions.c
�2�|jrtd
�
�
�
dS)NzI/O operation on closed file)�closed�
ValueError�
�selfs
 �3/opt/alt/python311/lib64/python3.11/_compression.py�_check_not_closedzBaseStream._check_not_closeds%���;�
	=��;�<�<�<�
	=�
	=�c
�V�|���stjd
�
�
�
dS)NzFile not open for reading)�readable�io�UnsupportedOperationrs
 r
�_check_can_readzBaseStream._check_can_read�1���}�}���
	G
��)�*E�F�F�F�
	G
�
	G
rc
�V�|���stjd
�
�
�
dS)NzFile not open for writing)�writablerrrs
 r
�_check_can_writezBaseStream._check_can_writerrc
��|���stjd
�
�
�
|���stjd�
�
�
dS)Nz3Seeking is only supported on files open for readingz3The underlying file object does not support seeking)rrr�seekablers
 r
�_check_can_seekzBaseStream._check_can_seeksl���}�}���	G
��)�
+F
�
G
�
G
�

G
��}�}���	F
��)�
+E
�
F
�
F
�

F
�	F
�	F
rN)�__name__�
__module__�__qualname__�__doc__rrrr�rr
rr	sa������)�)�=�=�=�G
�G
�G
�G
�G
�G
�F
�F
�F
�F
�F
rrc�j��eZ
dZd
Zd�Zdd�
Z�f
d�Zd�Zd�Zdd	�
Z	d
�Z
d�Zej
f
d�
Zd
�Z�x
ZS)�DecompressReaderz5Adapts the decompressor API to a RawIOBase reader APIc

��d
S)NTrrs
 r
rzDecompressReader.readable$s���trrc��|
|_d
|_
d|_d|_||_||_|jdi|j�
�
|_||_dS)NFr���r)�_fp�_eof�_pos�_size�_decomp_factory�_decomp_args�
_decompressor�_trailing_error)r	�fp�decomp_factory�trailing_error�decomp_argss     r
�__init__zDecompressReader.__init__'s`�������	���	���
� .���'���1�T�1�F�F�D�4E�F�F��� .����rc
�R�
�d|_t�����S�
N)r)�super�close)r	�	__class__s �r
r3zDecompressReader.close;s���!����w�w�}�}���rc
�4�|j�
��Sr1)r#rrs
 r
rzDecompressReader.seekable?s���x� � �"�"�"rc�4
�t
|
�
�
5}|�
d
�
�
5}|�t|�
�
�
�
}||dt|�
�
�<ddd��
n#1swxYw

Y

ddd��
n#1swxYw

Y

t|�
�
S)N�
B)�
memoryview�cast�read�len)r	�
b�view�	byte_view�datas     r
�readintozDecompressReader.readintoBs���
�
�]�]�	)�d�D�I�I�c�N�N�	)�i��9�9�S��^�^�,�,�D�$(�I�j�s�4�y�y�j�!�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)����	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)�	)����	)�	)�	)�	)��4�y�y�s4�B�7A)�B�)A-	�-B�0
A-	�1B�B�
Br"c�v�|
d
kr|���S|
r|j
rdSd}	|jjrr|jjp|j�t�
�
}|s
n�|jdi|j	�
�
|_	|j�
||
��}nj#|j$r
YnbwxYw
|jjr1|j�t�
�
}|std�
�
�
nd}|j�
||
��}|r
n
��|sd|_
|j|_dS|x
jt!|�
�
z
c_|S)NrrTzACompressed file ended before the end-of-stream marker was reachedr)�readallr$r)�eof�unused_datar#r:�BUFFER_SIZEr'r(�
decompressr*�needs_input�EOFErrorr%r&r;)r	�sizer?�rawblocks    r
r:zDecompressReader.readHs�
���!�8�8��<�<�>�>�!��
	�t�y�
	��3���	��!�%�
E
� �.�:�
7� �H�M�M�+�6�6���
��%9�T�%9�
&)�
&)��'�
&)�
&)��"���-�8�8��4�H�H�D�D���+�����E������%�1�#�#�x�}�}�[�9�9�H�#�K
�&�
(J
�
K
�
K
�
K
�K
� #�H��)�4�4�X�t�D�D���

��1	�2�	��D�I���D�J��3��	�	�S��Y�Y��	�	��s�;B�
B$�#
B$c
���g}
|�tj�
�
x
}r6|
�|�
�

|�tj�
�
x
}�6d
�|
�
�
S)Nr)r:�sys�maxsize�append�join)r	�chunksr?s   r
rBzDecompressReader.readallqsg�����i�i���,�,�,�d�
	 ��M�M�$�����i�i���,�,�,�d�
	 ��x�x����rc
��|j�
d
�
�

d|_d
|_|jdi|j�
�
|_dS)NrFr)r#�seekr$r%r'r(r)rs
 r
�_rewindzDecompressReader._rewind|sH����
�
�a������	���	�1�T�1�F�F�D�4E�F�F����rc�f�|tj
kr
n�|tjkr|j|
z}
n�|tjkrU|jd
kr?|�tj�
�
r 	|�tj�
�
� |j|
z}
n"td�	|�
�
�
�
�
|
|jkr|�
��
n
|
|jz}
|
d
krH|�ttj|
���
�
}|s
n|
t|�
�
z}
|
d
k�H|jS)NrzInvalid value for whence: {})
r�SEEK_SET�SEEK_CURr%�SEEK_ENDr&r:�DEFAULT_BUFFER_SIZEr�formatrS�minr;)r	�offset�whencer?s    r
rRzDecompressReader.seek�s&
���R�[� � ��
�r�{�
"�
"��Y��'�F�F�
�r�{�
"�
"��z�A�~�~��i�i�� 6�7�7�
���i�i�� 6�7�7�
��Z�&�(�F�F��;�B�B�6�J�J�K�K�K��D�I����L�L�N�N�N�N��d�i��F��q�j�j��9�9�S��!7��@�@�A�A�D��

���c�$�i�i��F�	�q�j�j��y�rc

��|jS)
z!Return the current file position.)
r%rs
 r
�tellzDecompressReader.tell�s
���y�r)
r)
r")rrrrrr/r3rr@r:rBrSrrUrRr^�
__classcell__)
r4s
@r
rr!s��������?�?�
�
�
�.�.�.�.�(�����
#�
#�
#����'�'�'�'�R
 � � �G
�G
�G
�#%�+�����<������rr)	rrrLrXrE�BufferedIOBaser�	RawIOBaserrrr
�<module>rb
s��


�=�=�	�	�	�	�
�
�
�
��$��
F
�
F
�
F
�
F
�
F
��"�
F
�
F
�
F
�0A
�A
�A
�A
�A
�r�|�A
�A
�A
�A
�A
r