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)r N)rr rs rt r5 r5 r5 r6 r s c @ s e Zd ZdS )r N)rr rs rt r5 r5 r5 r6 r " s c @ s e Zd ZdS )�EmptyHeaderErrorN)rr rs rt r5 r5 r5 r6 ru % s ru c @ s e Zd ZdS )�TruncatedHeaderErrorN)rr rs rt r5 r5 r5 r6 rv ( s rv c @ s e Zd ZdS )�EOFHeaderErrorN)rr rs rt r5 r5 r5 r6 rw + s rw c @ s e Zd ZdS )rH N)rr rs rt r5 r5 r5 r6 rH . s rH c @ s e Zd ZdS )�SubsequentHeaderErrorN)rr rs rt r5 r5 r5 r6 rx 1 s rx c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) � _LowLevelFilec C sF t jt jt jB t jB d�| }tt d�r2|t jO }t j||d�| _d S )N)�r�w�O_BINARYi� ) �os�O_RDONLY�O_WRONLY�O_CREAT�O_TRUNC�hasattrr| r �fd)�self�nameri r5 r5 r6 �__init__> s z_LowLevelFile.__init__c C s t j| j� d S )N)r} �closer� )r� r5 r5 r6 r� G s z_LowLevelFile.closec C s t j| j|�S )N)r} r[ r� )r� r' r5 r5 r6 r[ J s z_LowLevelFile.readc C s t j| j|� d S )N)r} r\ r� )r� r1 r5 r5 r6 r\ M s z_LowLevelFile.writeN)rr rs rt r� r� r[ r\ r5 r5 r5 r6 ry 8 s ry c @ sp e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z ddd�Z d dd�Z dd� Z dd� ZdS ) 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)N)r� �seekable)r� r5 r5 r6 r� � s z_FileInFile.seekablec C s | j S )N)r� )r� r5 r5 r6 r� � s z_FileInFile.tellc C s� |t jkr tt|d�| j�| _nj|t jkr\|dk rFt| j| d�| _q�t| j| | j�| _n.|t jkr�tt| j| | j�d�| _ntd��| jS )Nr zInvalid argument) �io�SEEK_SET�min�maxr' r� �SEEK_CUR�SEEK_ENDrG )r� r� �whencer5 r5 r6 r� � s z_FileInFile.seekc C s |d kr| j | j }nt|| j | j �}d}x�|dk�r xZ| j| j \}}}}|| j kob|k n rlP q:| jd7 _| jt| j�kr:d| _q:W t||| j �}|r�| jj|| j| � | jj|�}t|�|kr�t d��||7 }n |t | 7 }||8 }| j|7 _q.W |S )Nr� r r# zunexpected end of data) r' r� r� r� r� r/ r� r� r[ r r0 ) r� r' rU �data�start�stopr� r2 rc r5 r5 r6 r[ � s. z_FileInFile.readc C s& | j t|��}||d t|��< t|�S )N)r[ r/ )r� rc rU r5 r5 r6 �readinto� s z_FileInFile.readintoc C s d| _ d S )NT)r� )r� r5 r5 r6 r� � s z_FileInFile.close)N)N)rr rs rt r� r� r� r� r� r� r� r� r� r[ r� r� r5 r5 r5 r6 r� d s r� c s e Zd Z� fdd�Z� ZS )� ExFileObjectc s& t |j|j|j|j�}t� j|� d S )N)r� r� � offset_datar' �sparse�superr� )r� �tarfile�tarinfor� 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r5 r6 � _setlinkpath s zTarInfo._setlinkpathc C s d| j j| jt| �f S )Nz<%s %r at %#x>)r� rr r� �id)r� r5 r5 r6 �__repr__ s zTarInfo.__repr__c C sn | j | jd@ | j| j| j| j| j| j| j| j | j | j | j d� }|d t krj|d jd� rj|d d7 < |S )Ni� ) r� ri r) r* r' r( r� r� r� r+ r, r� r� r� r� �/)r� ri r) r* r' r( r� r� r� r+ r, r� r� �DIRTYPEr� )r� �infor5 r5 r6 �get_info s zTarInfo.get_info�surrogateescapec C sT | j � }|tkr | j|||�S |tkr4| j|||�S |tkrH| j||�S td��d S )Nzinvalid format)r� r �create_ustar_headerr �create_gnu_headerr �create_pax_headerrG )r� rP r3 r4 r� r5 r5 r6 �tobuf& s z TarInfo.tobufc C sn t |d< t|d j||��tkr(td��t|d j||��tkr^| j|d ||�\|d< |d< | j|t||�S )N�magicr� zlinkname is too longr� �prefix) � POSIX_MAGICr/ r. � LENGTH_LINKrG � LENGTH_NAME�_posix_split_name�_create_headerr )r� r� r3 r4 r5 r5 r6 r� 4 s zTarInfo.create_ustar_headerc C s� t |d< d}t|d j||��tkr<|| j|d t||�7 }t|d j||��tkrl|| j|d t||�7 }|| j|t ||� S )Nr� r� r� r� ) � GNU_MAGICr/ r. r� 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||� W qv tk r� } z$| jdkrւ n| jdd| � W Y d d }~X qvX qvW d S ) Ni� )� set_attrsr� c S s | j S )N)r� )rj r5 r5 r6 �<lambda>� s z$TarFile.extractall.<locals>.<lambda>)r} )r� r# z tarfile: %s)r( r� r ri �extract�sort�reverser} r% r� r� �chown�utime�chmodr rr r� )r� r% rt r� Z directoriesr� �dirpathrx r5 r5 r6 � extractall� s, zTarFile.extractallr� c C s | j d� t|t�r | j|�}n|}|j� r>tjj||j�|_ y"| j |tjj||j �||d� W n� t k r� } zJ| j dkr�� n6|jd kr�| jdd|j � n| jdd|j|jf � W Y d d }~X nB tk �r } z$| j dkr� n| jdd| � W Y d d }~X nX d S )Nrz )r� r� r r# z tarfile: %sztarfile: %s %r)r� r r r� r[ r} r% r� r� r� �_extract_memberr� r� rr �filenamer� �strerrorr )r� �memberr% r� r� r� rx r5 r5 r6 r� � s( ( zTarFile.extractc C s� | j d� t|t�r | j|�}n|}|j� s6|jtkrB| j| |�S |j� sR|j � rzt| j t �rht d��q~| j | j|��S nd S d S )Nrz z'cannot extract (sym)link as file object)r� r r r� r8 r� r9 � fileobjectr[ rY r� r� r � extractfile�_find_link_target)r� r� r� r5 r5 r6 r� s zTarFile.extractfilec C sV |j d�}|jdtj�}tjj|�}|r@tjj|� r@tj|� |j� sP|j � rj| j dd|j |j f � n| j d|j � |j � r�| j||� n�|j� r�| j||� nx|j� r�| j||� nb|j� s�|j� r�| j||� nD|j� s�|j � r�| j||� n&|jtk�r| j||� n | j||� |�rR| j|||� |j � �sR| j||� | j ||� d S )Nr� r# z%s -> %s) r) r� r} r� r% �dirnamerl �makedirsr[ rY r� r� r� r8 �makefiler( �makedirra �makefifor] r_ �makedev�makelinkr� r9 � makeunknownr� r� r� )r� r� � targetpathr� r� Z upperdirsr5 r5 r6 r� 4 s4 zTarFile._extract_memberc C s* yt j|d� W n tk r$ Y nX d S )Ni� )r} �mkdir�FileExistsError)r� r� r� r5 r5 r6 r� e s zTarFile.makedirc C s� | j }|j|j� | j}t|d��f}|jd k rrx,|jD ]"\}}|j|� t|||t|� q6W |j|j� |j � nt|||jt|� W d Q R X d S )Nri ) r� r� r� rs rm r� rY r r' �truncate)r� r� r� �sourcer` �targetr� r' r5 r5 r6 r� o s zTarFile.makefilec C s" | j ||� | jdd|j � d S )Nr# z9tarfile: Unknown file type %r, extracted as regular file.)r� r� r� )r� r� r� r5 r5 r6 r� s zTarFile.makeunknownc C s" t td�rtj|� ntd��d S )N�mkfifoz fifo not supported by system)r� r} r� r )r� r� r� r5 r5 r6 r� � s zTarFile.makefifoc C sb t td� st td� r td��|j}|j� r:|tjO }n |tjO }tj||tj |j |j �� d S )N�mknodr� z'special devices not supported by system) r� r} r ri r_ rg �S_IFBLK�S_IFCHRr� r� r� r� )r� r� r� ri r5 r5 r6 r� � s zTarFile.makedevc C s� yL|j � rtj|j|� n0tjj|j�r8tj|j|� n| j| j |�|� W nH t k r� y| j| j |�|� W n t k r� t d��Y nX Y nX d S )Nz%unable to resolve link inside archive) rY r} �symlinkr� r% rl r� �linkr� r� �symlink_exceptionr� r )r� r� r� r5 r5 r6 r� � s zTarFile.makelinkc C s� t td�r�tj� dkr�|j}|j}|s�ytr<tj|j�d }W n tk rR Y nX yt rjt j |j �d }W n tk r� Y nX y4|j � r�t td�r�tj |||� ntj|||� W n tk r� td��Y nX d S )N�geteuidr r$ �lchownzcould not change owner)r� r} r� r* r) r� Zgetgrnamr, r� r� �getpwnamr+ rY r� r� r� r )r� r� r� r� �g�ur5 r5 r6 r� � s( z TarFile.chownc C s> t td�r:ytj||j� W n tk r8 td��Y nX d S )Nr� zcould not change mode)r� r} r� ri r� r )r� r� r� r5 r5 r6 r� � s z TarFile.chmodc C sH t td�sd S ytj||j|jf� W n tk rB td��Y nX d S )Nr� z"could not change modification time)r� r} r� r( r� r )r� r� r� r5 r5 r6 r� � s z TarFile.utimec C s� | j d� | jd k r$| j}d | _|S | j| jj� krZ| jj| jd � | jjd�sZtd��d }�xby| jj | �}W �nH t k r� } z2| j r�| j dd| j|f � | jt 7 _wbW Y d d }~X n� tk �r, } zN| j �r| j dd| j|f � | jt 7 _wbn| jdk�r tt|���W Y d d }~X n� tk �rT | jdk�rPtd��Y nj tk �r� } z | jdk�r~tt|���W Y d d }~X n0 tk �r� } ztt|���W Y d d }~X nX P qbW |d k �r�| jj|� nd| _|S ) NZrar# zunexpected end of datar$ z0x%X: %sr z empty fileT)r� rw r� r� r� r� r[ r r� r2 rw rp r� r� rH r ru rv rx rt r� ru )r� �mr� rx r5 r5 r6 r< � sL z TarFile.nextc C sn | j � }|d k r"|d |j|�� }|r2tjj|�}x6t|�D ]*}|rTtjj|j�}n|j}||kr<|S q<W d S )N)r� �indexr} r% �normpath�reversedr� )r� r� r� � normalizert r� � member_namer5 r5 r6 r� s zTarFile._getmemberc C s" x| j � }|d krP qW d| _d S )NT)r< ru )r� r� r5 r5 r6 r� 3 s z TarFile._loadc C s: | j rtd| jj ��|d k r6| j|kr6td| j ��d S )Nz %s is closedzbad operation for mode %r)r� r� r� rr ri )r� ri r5 r5 r6 r� = s zTarFile._checkc C s` |j � r.djtd tjj|j�|jf��}d }n |j}|}| j||dd�}|d kr\t d| ��|S )Nr� T)r� r� zlinkname %r not found) rY r� r� r} r% r� r� r� r� r� )r� r� r� �limitr� r5 r5 r6 r� F s zTarFile._find_link_targetc c s� | j r| jE d H d S d}| jd k r:| j� }|d7 }|V xN|t| j�k rV| j| }n"| j st| j� }|sxd| _ d S nd S |d7 }|V q<W d S )Nr r# T)ru rt rw r< r/ )r� r� r� r5 r5 r6 �__iter__Y s& zTarFile.__iter__c C s || j krt|tjd� d S )N)�file)rq rp rn �stderr)r� �level�msgr5 r5 r6 r� x s z TarFile._dbgc C s | j � | S )N)r� )r� r5 r5 r6 � __enter__~ s zTarFile.__enter__c C s, |d kr| j � n| js"| jj � d| _d S )NT)r� r� r� r� )r� r� r � tracebackr5 r5 r6 �__exit__� s zTarFile.__exit__) Nrz NNNNNNr� NNNN)rz N)rz Nr� )rz Nr� )rz NN)NNN)T)NTN)N)r� N)r� T)TF)NF)N)7rr rs rt rq ro rp rr r rP r r3 r4 r r� r� r� r� rf r� r rz r� r� r� r{ r� r� r� r� r� rL r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r< r� r� r� r� r� r� r� r� r5 r5 r5 r6 r k st lZ ! d = (& 0 6 c C s. yt | �}|j� dS tk r( dS X d S )NTF)r r� r )r� r� r5 r5 r6 r � s c C s� dd l } d}| j|d�}|jdddddd � |j� }|jd d d d d� |jdddd0dd� |jdddd1dd� |jddd d d� |j� }|j� r�|j}t|�r�t|d �� }|j� t |j� t j d � W d Q R X |j r�t d j |�� n|jd d!j |�� �n�|j�rP|j}t|��r:tj|d"��}|j|j d#� W d Q R X n|jd d!j |�� �n�|j�r t|j�d k�rz|jd }tj}n,t|j�d$k�r�|j\}}n|jd |j� � t|��rtj|d"��}|j|d%� W d Q R X |j �r|d&k�r�d'j |�} n d(j ||�} t | � n|jd d!j |�� n�|j�r�|jjd�} tjj| �\} } d)d)d*d*d+d+d+d+d,�} | | k�rld-| | nd.}|j}tj| |�� }x|D ]}|j|� �q�W W d Q R X |j �r�t d/j | �� n|jd |j� � d S )2Nr z3A simple command line interface for tarfile module.)� descriptionz-vz --verbose� store_trueFzVerbose output)�action�default�helpz-lz--list� <tarfile>zShow listing of a tarfile)�metavarr� z-ez --extract�+� <output_dir>z Extract tarfile into target dir)�nargsr� r� z-cz--create�<name>�<file>zCreate tarfile from sourcesz-tz--testzTest if a tarfile is validrz )r� z{!r} is a tar archive.r# z{!r} is not a tar archive. zr:*)r� r$ )r% r� z{!r} file is extracted.z+{!r} file is extracted into {!r} directory.r� r� r� )z.gzz.tgzz.xzz.txzz.bz2z.tbzz.tbz2z.tb2zw:r{ z{!r} file created.)r� r� )r r ) �argparse�ArgumentParser� add_argument� add_mutually_exclusive_group� parse_argsZtestr r r� rp rn r� r� rP �exitrL r r� r/ r} �curdir� format_helpr� Zcreate�popr% �splitextr� )r r� �parserrB �argsr] r� Ztfr r� Ztar_name�_ZextZ compressionsZtar_modeZ tar_files� file_namer5 r5 r6 �main� s� r �__main__)r% r& r' r( r) r* r+ r, )`�version� __author__Z__date__Z __cvsid__� __credits__�builtinsr rm rn r} r� rX rg r� rS r r@ r� r� r� r� �NotImplementedErrorr� r� � NameError�__all__r0 r� r� r� r� r� r� r r� r% rZ rX r\ r^ r� r` ZCONTTYPEr� r� r& r r r5 r r r r r9 rV r* rS rG r rE rT r� r �getfilesystemencodingr7 r< rK rQ rV rY rh rq � Exceptionr r r r r r ru rv rw rH rx ry r� �objectr� r� �BufferedReaderr� r r r r rr r5 r5 r5 r6 �<module> s� w h , Z
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