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gzip.cpython-39.opt-2.pyc
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Specify the mode argument for opening it for writing.r )!r �format�builtinsr � myfileobj�getattrr r r r �fspath� startswith�READr � _GzipReaderr �BufferedReaderr0 rC �warnings�warn� FutureWarning�WRITE� _init_write�zlib� compressobj�DEFLATED� MAX_WBITS� DEF_MEM_LEVELr � _write_mtime�fileobj�_write_gzip_header) r5 r r r! r\ �mtimeZorigmode�rawrQ r& r& r' r8 � sN # � � zGzipFile.__init__c C sB dd l }|�dtd� | jtkr<| jdd � dkr<| jd S | jS )Nr zuse the name attributer ����.gz)rQ rR �DeprecationWarningr rT rC )r5 rQ r& r& r' r � s zGzipFile.filenamec C s | j jjS r9 )r0 r_ � _last_mtimer= r& r& r' r^ � s zGzipFile.mtimec C s. t | j�}d|dd� d tt| �� d S )Nz<gzip r ���� �>)�reprr\ �hex�id)r5 �sr& r& r' �__repr__� s zGzipFile.__repr__c C s. || _ t�d�| _d| _g | _d| _d| _d S �Nr. r )rC rV �crc32�crcr: Zwritebuf�bufsize�offset)r5 r r& r& r' rU � s zGzipFile._init_writec C s | j �d� | j �d� z<tj�| j�}t|t�s<|�d�}|� d�rR|d d� }W n t yj d}Y n0 d}|rxt }| j �t |��d�� | j }|d u r�t�� }t| j t|�� |tkr�d}n|tkr�d }nd }| j �|� | j �d � |�r| j �|d � d S ) N� �� zlatin-1s .gzr` r. r � � � � �)r\ r r �path�basenamerC r r �encode�endswith�UnicodeEncodeError�FNAME�chrr[ �timer, �int�_COMPRESS_LEVEL_BEST�_COMPRESS_LEVEL_FAST)r5 r! �fname�flagsr^ Zxflr& r& r' r] � s6 zGzipFile._write_gzip_headerc C s� | � � | jtkr&dd l}t|jd��| jd u r8td��t|t �rLt |�}nt |�}|j }|dkr�| j� | j�|�� | j|7 _t�|| j�| _| j|7 _|S )Nr z$write() on read-only GzipFile objectz!write() on closed GzipFile object)�_check_not_closedr rT �errno�OSError�EBADFr\ r r r r1 � memoryview�nbytesr r r: rV rm rn rp )r5 �datar� �lengthr& r& r' r s zGzipFile.writerd c C s2 | � � | jtkr&dd l}t|jd��| j�|�S )Nr z$read() on write-only GzipFile object)r� r rN r� r� r� r0 r �r5 r: r� 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) r� r rN r� r� r� r �DEFAULT_BUFFER_SIZEr0 �read1r� r& r& r' r� . s zGzipFile.read1c C s2 | � � | jtkr&dd l}t|jd��| j�|�S )Nr z$peek() on write-only GzipFile object)r� r rN r� r� r� r0 �peek)r5 �nr� r& r& r' r� ; s z GzipFile.peekc C s | j d u S r9 �r\ r= r& r& r' �closedB s zGzipFile.closedc C s� | j }|d u rd S d | _ zh| jtkrR|�| j�� � t|| j� t|| jd@ � n| jt krf| j � � W | j }|r�d | _ |� � n| j }|r�d | _ |� � 0 d S )N� �� ) r\ r rT r r �flushr, rn r: rN r0 �closerJ )r5 r\ rJ r& r& r' r� F s& �zGzipFile.closec C s4 | � � | jtkr0| j�| j�|�� | j�� d S r9 )r� r rT r\ r r r� )r5 Z zlib_moder& r& r' r� Y s zGzipFile.flushc C s | j �� S r9 )r\ �filenor= r& r& r' r� ` s zGzipFile.filenoc C s" | j tkrtd��| j�d� d S )NzCan't rewind in write moder )r rN r� r0 r; r= r& r& r' �rewindh s zGzipFile.rewindc C s | j tkS r9 )r rN r= r& r& r' �readableo s zGzipFile.readablec C s | j tkS r9 )r rT r= r& r& r' �writabler s zGzipFile.writablec C s dS r< r& r= r& r& r' r> u s zGzipFile.seekablec C s� | j tkr�|tjkr2|tjkr*| j| }ntd��|| jk rDtd��|| j }d}t|d �D ]}| � |� q^| � d|d � n | j t kr�| � � | j � ||�S | jS )NzSeek from end not supportedzNegative seek in write modes � ru )r rT r �SEEK_SET�SEEK_CURrp r r� �ranger rN r� r0 r; )r5 rp �whence�count�chunk�ir& r& r' r; x s z GzipFile.seekc C s | � � | j�|�S r9 )r� r0 �readline)r5 r: r& r& r' r� � s zGzipFile.readline)rd )rd )rd ) r? r@ rA rJ r� r8 �propertyr r^ rk rU r] r r r� r� r� r� rV � Z_SYNC_FLUSHr� r� r� r� r� r> r r� r; r� r& r& r& r' r x s4 � Q r c sZ e Zd Z� fdd�Zdd� Zdd� Zdd� Zdd d �Zd d � Zdd� Z � fdd�Z � Z S )rO c s, t � jt|�tjtj d� d| _d | _d S )N)ZwbitsT)�superr8 r- rV � decompressobjrY � _new_memberrc )r5 �fp�� __class__r& r' r8 � s �z_GzipReader.__init__c C s t �d�| _d| _d S rl )rV rm �_crc� _stream_sizer= r& r& r' � _init_read� s z_GzipReader._init_readc C sF | j �|�}t|�|k rB| j �|t|� �}|s8td��||7 }q |S )N�ACompressed file ended before the end-of-stream marker was reached)�_fpr r1 �EOFError)r5 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�| j �d �}|r�|d kr�q�q�|t @ r�| j �d �}|r�|d kr�q�q�|t @ r�| �d� d S ) Nr r. Frq zNot a gzipped file (%r)z<BBIxxr zUnknown compression methodz<Hr ru T) r� r r r( �unpackr� rc �FEXTRAr| �FCOMMENT�FHCRC)r5 �magic�method�flagZ extra_lenrj r& r& r' �_read_gzip_header� s0 � z _GzipReader._read_gzip_headerrd c C s� |dk r| � � S |sdS | jjrB| �� d| _| jf i | j��| _| jrj| �� | �� sd| j | _ dS d| _| j � t j�}| j�||�}| jjdkr�| j �| jj� n | jjdkr�| j �| jj� |dkr�q�|dkrtd��q| �|� | j t|�7 _ |S )Nr r. TFr� )�readall� _decompressor�eof� _read_eofr� �_decomp_factory� _decomp_argsr� r� �_pos�_sizer� r r r� r �unconsumed_tailr7 � unused_datar� �_add_read_datar1 )r5 r: �bufZ uncompressr& r& r' r � s: � z_GzipReader.readc C s$ t �|| j�| _| jt|� | _d S r9 )rV rm r� r� r1 )r5 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}|dkrl| j�d�}qV|r|| j� |� d S )Nz<IIr zCRC check failed %s != %sr� z!Incorrect length of data producedru r ) r( r� r� r� r rh r� r� r r7 )r5 rm Zisize�cr& r& r' r� s � z_GzipReader._read_eofc s t � �� d| _d S r< )r� �_rewindr� r= r� r& r' r� s z_GzipReader._rewind)rd ) r? r@ rA r8 r� r� r� r r� r� r� � __classcell__r& r& r� r' rO � s ! 3rO )r^ c C sJ t �� }t|d||d��}|�| � W d � n1 s80 Y |�� S )N�wb)r\ r r! r^ )r �BytesIOr r �getvalue)r� r! r^ r� r6 r& r& r' r s (r c C s< t t�| �d��}|�� W d � S 1 s.0 Y d S )Nr� )r r r� r )r� r6 r& r& r' r ' s r c C s� ddl m} | dd�}|�� }|jdddd� |jd dd d� |jd d dd d� |jdddgdd� |�� }t}|jr|t}n |jr�t }|j D ]�}|j r�|dkr�t ddt jjd�}t jj}n>|dd � dkr�t �d|��� t|d�}t�|d d� d�}nB|dk�r"t jj}t ddt jj|d�}nt�|d�}t|d d�}|�d�}|�sP�q^|�|� �q<|t jju�rt|�� |t jjur�|�� q�d S ) Nr )�ArgumentParserzeA simple command line interface for the gzip module: act like gzip, but do not delete the input file.)� descriptionz--fast� store_truezcompress faster)�action�helpz--bestzcompress betterz-dz --decompressz act like gunzip instead of gzip�args�*�-r3 )�nargs�default�metavarr r )r r r\ r` ra z filename doesn't end in .gz: r� )r r r\ r! r� )�argparser� � add_mutually_exclusive_group� add_argument� parse_args�_COMPRESS_LEVEL_TRADEOFF�fastr� Zbestr� r� r r �sys�stdin�buffer�stdout�exitr rI r r r� ) r� �parser�groupr� r! �argr6 �gr� r& r& r' �main/ sR � � � r� �__main__) r( r� r~ r rV rI r � _compression�__all__ZFTEXTr� r� r| r� rN rT r� r� r� r r, r- r� r � BaseStreamr �DecompressReaderrO r r r� r? r& r& r& r' �<module> s4 � ,* 0
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