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gzip.cpython-37.opt-2.pyc
B 7.���J��� @ s� d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZddddgZd\Z Z Z Z Z d\ZZdZd Zd Zdd d�Zd d� ZG dd� d�ZG dd� dej�ZG dd� dej�Zddd�Zdd� Zdd� Z e dkr�e � dS )� N�GzipFile�open�compress� decompress)� � � � � )r r r � � �rbc C s� d|kr d|krPt d|f ��n0|d k r0t d��|d k r@t d��|d k rPt d��|�dd�}t| tttjf�r|t| ||�}n,t| d�s�t| d �r�td ||| �}nt d ��d|kr�t � ||||�S |S d S ) N�t�bzInvalid mode: %rz0Argument 'encoding' not supported in binary modez.Argument 'errors' not supported in binary modez/Argument 'newline' not supported in binary mode� �read�writez1filename must be a str or bytes object, or a file) � ValueError�replace� isinstance�str�bytes�os�PathLiker �hasattr� TypeError�io� TextIOWrapper)�filename�mode� compresslevel�encoding�errors�newlineZgz_modeZ binary_file� r$ �)/opt/alt/python37/lib64/python3.7/gzip.pyr s$ c C s | � t�d|�� d S )Nz<L)r �struct�pack)�output�valuer$ r$ r% �write32uE s r* c @ s8 e Zd Zd dd�Zdd� Zddd�Zdd � Zd d � Zd S )� _PaddedFile� c C s || _ t|�| _|| _d| _d S )Nr )�_buffer�len�_length�file�_read)�self�f�prependr$ r$ r% �__init__O s z_PaddedFile.__init__c C s~ | j d kr| j�|�S | j | | jkrJ| j }| j |7 _ | j|| j � S | j }d | _ | j|d � | j�|| j | � S d S )N)r1 r0 r r/ r- )r2 �sizer r$ r$ r% r U s z_PaddedFile.readc C s> | j d kr|| _n| j t|�8 _ d S t| j�| _d| _ d S )Nr )r1 r- r. r/ )r2 r4 r$ r$ r% r4 b s z_PaddedFile.prependc C s d | _ d | _| j�|�S )N)r1 r- r0 �seek)r2 Zoffr$ r$ r% r7 k s z_PaddedFile.seekc C s dS )NTr$ )r2 r$ r$ r% �seekablep s z_PaddedFile.seekableN)r, )r, )�__name__� __module__� __qualname__r5 r r4 r7 r8 r$ r$ r$ r% r+ J s r+ c @ s� e Zd ZdZd,dd�Zedd� �Zedd� �Zd d � Zd d � Z d d� Z dd� Z d-dd�Z d.dd�Z dd� Zedd� �Zdd� Zejfd d �Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zejfd(d)�Zd/d*d+�Z dS )0r Nr c C s4 |r"d|ksd|kr"t d�|���|r6d|kr6|d7 }|d krTt�||pJd� }| _|d kr|t|dd�}t|ttf�s�d}n t � |�}|d kr�t|dd�}|� d �r�t | _ t|�}t�|�| _|| _nN|� d ��rt| _ | �|� t�|tjtj tjd �| _|| _nt d�|���|| _ | j tk�r0| � |� d S ) Nr �UzInvalid mode: {!r}r r �namer r �r)�w�a�xr ) r �format�builtinsr � myfileobj�getattrr r r r �fspath� startswith�READr � _GzipReaderr �BufferedReaderr- r= �WRITE� _init_write�zlibZ compressobjZDEFLATED� MAX_WBITSZ DEF_MEM_LEVELr � _write_mtime�fileobj�_write_gzip_header)r2 r r r rP �mtime�rawr$ r$ r% r5 � s> # zGzipFile.__init__c C sB dd l }|�dtd� | jtkr<| jdd � dkr<| jd S | jS )Nr zuse the name attributer ���z.gz)�warnings�warn�DeprecationWarningr rK r= )r2 rU r$ r$ r% r � s zGzipFile.filenamec C s | j jjS )N)r- rS � _last_mtime)r2 r$ r$ r% rR � s zGzipFile.mtimec C s. t | j�}d|dd� d tt| �� d S )Nz<gzip r ���� �>)�reprrP �hex�id)r2 �sr$ r$ r% �__repr__� s zGzipFile.__repr__c C s. || _ t�d�| _d| _g | _d| _d| _d S )Nr, r )r= rM �crc32�crcr6 Zwritebuf�bufsize�offset)r2 r r$ r$ r% rL � s zGzipFile._init_writec C s | j �d� | j �d� y<tj�| j�}t|t�s<|�d�}|� d�rR|d d� }W n t k rl d}Y nX d}|rzt }| j �t |��d�� | j }|d kr�t�� }t| j t|�� |tkr�d}n|tkr�d }nd }| j �|� | j �d � |�r| j �|d � d S ) Ns �� zlatin-1s .gzrT r, r � � � � �)rP r r �path�basenamer= r r �encode�endswith�UnicodeEncodeError�FNAME�chrrO �timer* �int�_COMPRESS_LEVEL_BEST�_COMPRESS_LEVEL_FAST)r2 r Zfname�flagsrR Zxflr$ r$ r% rQ � s6 zGzipFile._write_gzip_headerc C s� | � � | jtkr&dd l}t|jd��| jd kr8td��t|t �rLt |�}nt |�}|j }|dkr�| j� | j�|�� | j|7 _t�|| j�| _| j|7 _|S )Nr z$write() on read-only GzipFile objectz!write() on closed GzipFile object)�_check_not_closedr rK �errno�OSError�EBADFrP r r r r. � memoryview�nbytesr r r6 rM ra rb rd )r2 �datarw �lengthr$ r$ r% r s zGzipFile.writerY c C s2 | � � | jtkr&dd l}t|jd��| j�|�S )Nr z$read() on write-only GzipFile object)rv r rH rw rx ry r- r )r2 r6 rw r$ r$ r% r s z GzipFile.readc C s@ | � � | jtkr&dd l}t|jd��|dk r4tj}| j� |�S )Nr z%read1() on write-only GzipFile object) rv r rH rw rx ry r �DEFAULT_BUFFER_SIZEr- �read1)r2 r6 rw r$ r$ r% r ! s zGzipFile.read1c C s2 | � � | jtkr&dd l}t|jd��| j�|�S )Nr z$peek() on write-only GzipFile object)rv r rH rw rx ry r- �peek)r2 �nrw r$ r$ r% r� . s z GzipFile.peekc C s | j d kS )N)rP )r2 r$ r$ r% �closed5 s zGzipFile.closedc C s� | j }|d krd S d | _ zP| jtkrR|�| j�� � t|| j� t|| jd@ � n| jt krf| j � � W d | j }|r�d | _ |� � X d S )Nl �� ) rP r rK r r �flushr* rb r6 rH r- �closerD )r2 rP rD r$ r$ r% r� 9 s zGzipFile.closec C s4 | � � | jtkr0| j�| j�|�� | j�� d S )N)rv r rK rP r r r� )r2 Z zlib_moder$ r$ r% r� L s zGzipFile.flushc C s | j �� S )N)rP �fileno)r2 r$ r$ r% r� S s zGzipFile.filenoc C s" | j tkrtd��| j�d� d S )NzCan't rewind in write moder )r rH rx r- r7 )r2 r$ r$ r% �rewind[ s zGzipFile.rewindc C s | j tkS )N)r rH )r2 r$ r$ r% �readableb s zGzipFile.readablec C s | j tkS )N)r rK )r2 r$ r$ r% �writablee s zGzipFile.writablec C s dS )NTr$ )r2 r$ r$ r% r8 h s zGzipFile.seekablec C s� | j tkr�|tjkr2|tjkr*| j| }ntd��|| jk rDtd��|| j }d}x t|d �D ]}| � |� q`W | � d|d � n | j t kr�| � � | j � ||�S | jS )NzSeek from end not supportedzNegative seek in write modes i rh )r rK r �SEEK_SET�SEEK_CURrd r rx �ranger rH rv r- r7 )r2 rd �whence�count�chunk�ir$ r$ r% r7 k s z GzipFile.seekc C s | � � | j�|�S )N)rv r- �readline)r2 r6 r$ r$ r% r� s zGzipFile.readline)NNr NN)rY )rY )rY ) r9 r: r; rD r5 �propertyr rR r` rL rQ r r r r� r� r� rM Z Z_SYNC_FLUSHr� r� r� r� r� r8 r r� r7 r� r$ r$ r$ r% r s s, H c sZ e Zd Z� fdd�Zdd� Zdd� Zdd� Zdd d �Zd d � Zdd� Z � fdd�Z � Z S )rI c s, t � jt|�tjtj d� d| _d | _d S )N)ZwbitsT)�superr5 r+ rM Z decompressobjrN � _new_memberrX )r2 �fp)� __class__r$ r% r5 � s z_GzipReader.__init__c C s t �d�| _d| _d S )Nr, r )rM ra �_crc� _stream_size)r2 r$ r$ r% � _init_read� s z_GzipReader._init_readc C sJ | j �|�}x8t|�|k rD| j �|t|� �}|s:td��||7 }qW |S )NzACompressed file ended before the end-of-stream marker was reached)�_fpr r. �EOFError)r2 r� r| r r$ r$ r% � _read_exact� s z_GzipReader._read_exactc C s� | j �d�}|dkrdS |dkr,td| ��t�d| �d��\}}| _|dkrVtd��|t@ r|t�d | �d��\}| �|� |t@ r�x | j �d �}|r�|d kr�P q�W |t @ r�x | j �d �}|r�|d kr�P q�W |t @ r�| �d� d S ) Nr r, Fs �zNot a gzipped file (%r)z<BBIxxr zUnknown compression methodz<Hr rh T) r� r rx r& �unpackr� rX �FEXTRAro �FCOMMENT�FHCRC)r2 �magic�method�flagZ extra_lenr_ r$ r$ r% �_read_gzip_header� s0 z _GzipReader._read_gzip_headerrY c C s� |dk r| � � S |sdS x�| jjr@| �� d| _| jf | j�| _| jrh| �� | �� sb| j | _ dS d| _| j � t j�}| j�||�}| jjdkr�| j �| jj� n | jjdkr�| j �| jj� |dkr�P |dkrtd��qW | �|� | j t|�7 _ |S )Nr r, TFzACompressed file ended before the end-of-stream marker was reached)�readallZ _decompressor�eof� _read_eofr� Z_decomp_factoryZ _decomp_argsr� r� Z_posZ_sizer� r r r~ r Zunconsumed_tailr4 Z unused_datar� �_add_read_datar. )r2 r6 �bufZ uncompressr$ r$ r% r � s: z_GzipReader.readc C s$ t �|| j�| _| jt|� | _d S )N)rM ra r� r� r. )r2 r| r$ r$ r% r� � s z_GzipReader._add_read_datac C s� t �d| �d��\}}|| jkr<tdt|�t| j�f ��n|| jd@ krRtd��d}x|dkrn| j�d�}qXW |r�| j� |� d S )Nz<IIr zCRC check failed %s != %sl �� z!Incorrect length of data producedrh r ) r& r� r� r� rx r] r� r� r r4 )r2 ra Zisize�cr$ r$ r% r� � s z_GzipReader._read_eofc s t � �� d| _d S )NT)r� �_rewindr� )r2 )r� r$ r% r� s z_GzipReader._rewind)rY ) r9 r: r; r5 r� r� r� r r� r� r� � __classcell__r$ r$ )r� r% rI � s ! 3rI c C s4 t �� }t|d|d��}|�| � W d Q R X |�� S )N�wb)rP r r )r �BytesIOr r �getvalue)r| r r� r3 r$ r$ r% r s c C s$ t t�| �d�� }|�� S Q R X d S )N)rP )r r r� r )r| r3 r$ r$ r% r s c C s: t jdd � } | o | d dk}|r.| dd � } | s8dg} x�| D ]�}|r�|dkrjtddt jjd�}t jj}q�|dd � d kr�td t|�� q>t|d�}t �|d d� d �}n>|dkr�t jj}tdd t jjd�}nt �|d�}t|d d �}x |� d �}|s�P |� |� q�W |t jjk �r |� � |t jjk r>|� � q>W d S ) Nr r z-d�-r r )r r rP rT z.gzz filename doesn't end in .gz:r� i ) �sys�argvr �stdin�buffer�stdout�printr\ r rC r r r� )�argsr �argr3 �gr� r$ r$ r% �_test" s< r� �__main__)r r NNN)r ) r& r� rq r rM rC r Z _compression�__all__ZFTEXTr� r� ro r� rH rK rt Z_COMPRESS_LEVEL_TRADEOFFrs r r* r+ Z BaseStreamr ZDecompressReaderrI r r r� r9 r$ r$ r$ r% �<module> s0 +) &
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