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편집 파일: tarfile.cpython-38.pyc
U &�.e� � @ s d Z dZdZdZddlmZ ddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZz ddlZW n ek r� dZY nX z ddlZW n ek r� dZY nX eefZzeef7 ZW n ek r� Y nX ddd d d d d ddddddddgZdZdZdZ dZ e d Z dZ d Z d Z!d Z"d Z#d Z$dZ%d Z&d!Z'd"Z(d#Z)d$Z*d%Z+d&Z,d'Z-d(Z.d)Z/d*Z0d+Z1d,Z2dZ3d-Z4d.Z5e5Z6e$e%e&e'e*e+e,e(e)e-e.e/f Z7e$e%e,e/fZ8e-e.e/fZ9d/Z:d0d1d2d3hZ;e<e<e<e=e=e=d4�Z>ej?d5k�r�d6Z@ne�A� Z@d7d8� ZBd9d:� ZCd;d<� ZDd=e6fd>d?�ZEd@dA� ZFdedfdBdC�ZGdDdE� ZHG dFd � d eI�ZJG dGd� deJ�ZKG dHd � d eJ�ZLG dId � d eJ�ZMG dJd � d eJ�ZNG dKd� deJ�ZOG dLdM� dMeO�ZPG dNdO� dOeO�ZQG dPdQ� dQeO�ZRG dRdS� dSeO�ZSG dTdU� dUeO�ZTG dVdW� dW�ZUG dXdY� dY�ZVG dZd[� d[eW�ZXG d\d]� d]eW�ZYG d^d_� d_e jZ�Z[G d`da� daeJ�Z\G dbdc� dce\�Z]G ddde� dee\�Z^G dfdg� dge\�Z_G dhdi� die\�Z`G djdk� dke\�Zad{dldm�Zbdndo� Zcdpdq� Zddrds� Zeecedeedt�ZfeW� ZgG dud� deW�ZhG dvd� deW�Zidwd � ZjeijZdxdy� Zkeldzk�r ek� dS )|z,Read from and write to tar format archives. z0.9.0u" Lars Gustäbel (lars@gustaebel.de)u4 Gustavo Niemeyer, Niels Gustäbel, Richard Townsend.� )�openN�TarFile�TarInfo� is_tarfile�TarError� ReadError�CompressionError� StreamError� ExtractError� HeaderError�ENCODING� USTAR_FORMAT� GNU_FORMAT� PAX_FORMAT�DEFAULT_FORMATr Tz/etc/python/tarfile.cfg� i � s ustar s ustar 00�d � � 0� 1� 2� 3� 4� 5� 6� 7� L� K� S� x� g� X� � )�path�linkpath�size�mtime�uid�gid�uname�gnamer% r& r+ r, )Zatime�ctimer( r) r* r' �nt�utf-8c C s8 | dkrt d��| �||�} | d|� |t| � t S )z8Convert a string to a null-terminated bytes object. Nz metadata cannot contain None)� ValueError�encode�len�NUL)�s�length�encoding�errors� r8 � /usr/lib64/python3.8/tarfile.py�stn� s r: c C s* | � d�}|dkr | d|� } | �||�S )z8Convert a null-terminated bytes object to a string. r ���N)�find�decode)r4 r6 r7 �pr8 r8 r9 �nts� s r? c C s� | d dkrbd}t t| �d �D ] }|dK }|| |d 7 }q | d dkr�dt| �d | }n@z"t| dd�} t| �� p|d d�}W n tk r� td ��Y nX |S ) z/Convert a number field to a python number. r )� � r# � rA � �ascii�strict�0�invalid header)�ranger2 r? �int�stripr0 �InvalidHeaderError)r4 �n�ir8 r8 r9 �nti� s rN rB c C s� t | �} d| kr$d|d k rDn n td|d | f d�t }n�|tkr�d|d | krrd|d k r�n nV| dkr�tdg�}ntdg�}d| | } t|d �D ] }|�d| d@ � | dL } q�ntd ��|S ) z/Convert a python number to a number field. r rB r# z%0*orD rC r@ rA zoverflow in number field)rI �bytesr3 r � bytearrayrH �insertr0 )rL �digits�formatr4 rM r8 r8 r9 �itn� s 2 rT c C s0 dt t�d| �� }dt t�d| �� }||fS )a� Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. rC Z 148B8x356BZ 148b8x356b)�sum�structZ unpack_from)�bufZunsigned_chksumZ signed_chksumr8 r8 r9 � calc_chksums� s rX c C s� |pd}|dkrdS |dkr.t �| ||� dS t||�\}}t|�D ],}| �|�}t|�|k rf|d��|�|� qD|dkr�| �|�}t|�|k r�|d��|�|� dS )zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. i @ r N�unexpected end of data)�shutil� copyfileobj�divmodrH �readr2 �write) �srcZdstr5 � exception�bufsize�blocks� remainder�brW r8 r8 r9 r[ � s$ r[ c C s8 t tjdd �}|d k r(| �|d��|�} t| dd� d S )Nr6 �backslashreplace� )�end)�getattr�sys�stdoutr1 r= �print)r4 r6 r8 r8 r9 � _safe_print s rl c @ s e Zd ZdZdS )r zBase exception.N��__name__� __module__� __qualname__�__doc__r8 r8 r8 r9 r s c @ s e Zd ZdZdS )r z%General exception for extract errors.Nrm r8 r8 r8 r9 r s c @ s e Zd ZdZdS )r z&Exception for unreadable tar archives.Nrm r8 r8 r8 r9 r s c @ s e Zd ZdZdS )r z.Exception for unavailable compression methods.Nrm r8 r8 r8 r9 r s c @ s e Zd ZdZdS )r z=Exception for unsupported operations on stream-like TarFiles.Nrm r8 r8 r8 r9 r ! s c @ s e Zd ZdZdS )r z!Base exception for header errors.Nrm r8 r8 r8 r9 r $ s c @ s e Zd ZdZdS )�EmptyHeaderErrorz Exception for empty headers.Nrm r8 r8 r8 r9 rr ' s rr c @ s e Zd ZdZdS )�TruncatedHeaderErrorz Exception for truncated headers.Nrm r8 r8 r8 r9 rs * s rs c @ s e Zd ZdZdS )�EOFHeaderErrorz"Exception for end of file headers.Nrm r8 r8 r8 r9 rt - s rt c @ s e Zd ZdZdS )rK z Exception for invalid headers.Nrm r8 r8 r8 r9 rK 0 s rK c @ s e Zd ZdZdS )�SubsequentHeaderErrorz3Exception for missing and invalid extended headers.Nrm r8 r8 r8 r9 ru 3 s ru c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) � _LowLevelFilez�Low-level file object. Supports reading and writing. It is used instead of a regular file object for streaming access. c C sF t jt jt jB t jB d�| }tt d�r2|t jO }t �||d�| _d S )N��r�w�O_BINARYi� ) �os�O_RDONLY�O_WRONLY�O_CREAT�O_TRUNC�hasattrrz r �fd)�self�name�moder8 r8 r9 �__init__@ s �� z_LowLevelFile.__init__c C s t �| j� d S �N)r{ �closer� �r� r8 r8 r9 r� I s z_LowLevelFile.closec C s t �| j|�S r� )r{ r] r� �r� r' r8 r8 r9 r] L s z_LowLevelFile.readc C s t �| j|� d S r� )r{ r^ r� �r� r4 r8 r8 r9 r^ O s z_LowLevelFile.writeN)rn ro rp rq r� r� r] r^ r8 r8 r8 r9 rv : s rv c @ sr e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z d dd�Z dd� Z dd� Zdd� ZdS ) �_Streama� Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. A stream-like object could be for example: sys.stdin, sys.stdout, a socket, a tape device etc. _Stream is intended to be used only internally. c C s� d| _ |dkr t||�}d| _ |dkr6t|�}|�� }|p<d| _|| _|| _|| _|| _d| _ d| _ d| _ �zL|dkr�z ddl }W n t k r� td ��Y nX || _ |�d�| _|d kr�| �� |j| _n| �� n�|d k�r:z ddl}W n t k �r td ��Y nX |d k�r.d| _|�� | _t| _n |�� | _n||d k�r�z ddl}W n t k �rn td��Y nX |d k�r�d| _|� � | _|j | _n |� � | _n|dk�r�td| ��W n& | j �s�| j� � d| _ � Y nX dS )z$Construct a _Stream object. TNF�*� � r �gzz zlib module is not availablerx �bz2�bz2 module is not available�xz� lzma module is not available�tar�unknown compression type %r) � _extfileobjrv � _StreamProxy� getcomptyper� r� �comptype�fileobjra rW �pos�closed�zlib� ImportErrorr �crc32�crc� _init_read_gz�errorr` �_init_write_gzr� �dbufZBZ2Decompressor�cmp�OSErrorZ BZ2Compressor�lzmaZLZMADecompressor� LZMAErrorZLZMACompressorr� ) r� r� r� r� r� ra r� r� r� r8 r8 r9 r� ] sl z_Stream.__init__c C s t | d�r| js| �� d S )Nr� )r� r� r� r� r8 r8 r9 �__del__� s z_Stream.__del__c C s� | j �d| j j| j j | j jd�| _t�dtt � � ��}| � d| d � | j � d�rf| j dd� | _ t j�| j �| _ | � | j �d d �t � dS ) z6Initialize for writing with gzip compression. � r �<Ls �s ��.gzN���z iso-8859-1�replace)r� Z compressobjZDEFLATED� MAX_WBITSZ DEF_MEM_LEVELr� rV �packrI �time�_Stream__writer� �endswithr{ r% �basenamer1 r3 )r� Z timestampr8 r8 r9 r� � s � z_Stream._init_write_gzc C sR | j dkr | j�|| j�| _| jt|�7 _| j dkrD| j�|�}| �|� dS )z&Write string s to the stream. r� r� N) r� r� r� r� r� r2 r� �compressr� r� r8 r8 r9 r^ � s z _Stream.writec C sN | j |7 _ t| j �| jkrJ| j�| j d| j� � | j | jd� | _ qdS )z]Write string s to the stream if a whole new block is ready to be written. N)rW r2 ra r� r^ r� r8 r8 r9 Z__write� s z_Stream.__writec C s� | j r dS d| _ z�| jdkr:| jdkr:| j| j�� 7 _| jdkr�| jr�| j� | j� d| _| jdkr�| j� t � d| j �� | j� t � d| j d@ �� W 5 | js�| j�� X dS ) z[Close the _Stream object. No operation should be done on it afterwards. NTry r� r� r� r� l �� )r� r� r� r� r� r� rW r� �flushr^ rV r� r� r� r� r8 r8 r9 r� � s z _Stream.closec C s� | j �| j j �| _d| _| �d�dkr0td��| �d�dkrFtd��t| �d��}| �d� |d @ r�t| �d��d t| �d�� }| � |� |d @ r�| �d�}|r�|t kr�q�q�|d @ r�| �d�}|r�|t kr�q�q�|d@ r�| �d� d S )z:Initialize for reading a gzip compressed fileobj. r� r$ s ��not a gzip filer# � z unsupported compression method� � rC rB � N) r� Z decompressobjr� r� r� � _Stream__readr r �ordr] r3 )r� �flagZxlenr4 r8 r8 r9 r� � s* z_Stream._init_read_gzc C s | j S )z3Return the stream's file pointer position. )r� r� r8 r8 r9 �tell� s z _Stream.tellr c C sX || j dkrJt|| j | j�\}}t|�D ]}| �| j� q,| �|� ntd��| j S )zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r� r\ ra rH r] r )r� r� rb rc rM r8 r8 r9 �seek s z _Stream.seekc C s, |dk s t �| �|�}| jt|�7 _|S )z5Return the next size number of bytes from the stream.N)�AssertionError�_readr� r2 )r� r' rW r8 r8 r9 r] s z _Stream.readc C s� | j dkr| �|�S t| j�}| jg}||k r�| jrB| j}d| _n| j�| j�}|sVq�z| j� |�}W n | j k r� t d��Y nX |� |� |t|�7 }q&d� |�}||d� | _|d|� S )z+Return size bytes from the stream. r� r� zinvalid compressed dataN)r� r� r2 r� rW r� r] ra r� � decompressr` r �append�join�r� r' �c�trW r8 r8 r9 r� s( z _Stream._readc C sj t | j�}| jg}||k rF| j�| j�}|s.qF|�|� |t |�7 }qd�|�}||d� | _|d|� S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. r� N)r2 rW r� r] ra r� r� r� r8 r8 r9 Z__read3 s z_Stream.__readN)r )rn ro rp rq r� r� r� r^ r� r� r� r� r� r] r� r� r8 r8 r8 r9 r� R s F r� c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) r� zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s || _ | j �t�| _d S r� )r� r] � BLOCKSIZErW )r� r� r8 r8 r9 r� I s z_StreamProxy.__init__c C s | j j| _| jS r� )r� r] rW r� r8 r8 r9 r] M s z_StreamProxy.readc C sP | j �d�rdS | j dd� dkr8| j dd� dkr8d S | j �d �rHd S d S d S ) Ns �r� r � s BZhr� � s 1AY&SYr� )s ] �s �7zXZr� r� )rW � startswithr� r8 r8 r9 r� Q s $ z_StreamProxy.getcomptypec C s | j �� d S r� )r� r� r� r8 r8 r9 r� [ s z_StreamProxy.closeN)rn ro rp rq r� r] r� r� r8 r8 r8 r9 r� D s r� c @ sj e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z e j fdd�Z ddd�Z dd� Zdd� ZdS )� _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C s� || _ || _|| _d| _t|dd �| _d| _|d kr>d|fg}d| _g | _d}| j}|D ]L\}}||kr|| j� d||d f� | j� d||| |f� ||7 }|| }qX|| jk r�| j� d|| jd f� d S )Nr r� FT) r� �offsetr' �positionrh r� r� � map_index�mapr� )r� r� r� r' Z blockinfoZlastposZrealposr8 r8 r9 r� h s( z_FileInFile.__init__c C s d S r� r8 r� r8 r8 r9 r� � s z_FileInFile.flushc C s dS �NTr8 r� r8 r8 r9 �readable� s z_FileInFile.readablec C s dS )NFr8 r� r8 r8 r9 �writable� s z_FileInFile.writablec C s | j �� S r� )r� �seekabler� r8 r8 r9 r� � s z_FileInFile.seekablec C s | j S )z*Return the current file position. )r� r� r8 r8 r9 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 )z(Seek to a position in the file. r zInvalid argument) �io�SEEK_SET�min�maxr' r� �SEEK_CUR�SEEK_ENDr0 )r� r� �whencer8 r8 r9 r� � s z_FileInFile.seekc C s |dkr| j | j }nt|| j | j �}d}|dk�r| j| j \}}}}|| j kr`|k rhq� nq�q6| jd7 _| jt| j�kr6d| _q6t||| j �}|r�| j�|| j| � | j�|�}t|�|kr�t d��||7 }n |t | 7 }||8 }| j|7 _q,|S )z!Read data from the file. Nr� r r# rY ) r' r� r� r� r� r2 r� r� r] r r3 ) r� r' rW �data�start�stopr� r5 rd r8 r8 r9 r] � s, z_FileInFile.readc C s& | � t|��}||d t|��< t|�S r� )r] r2 )r� rd rW r8 r8 r9 �readinto� s z_FileInFile.readintoc C s d| _ d S r� )r� r� r8 r8 r9 r� � s z_FileInFile.close)N)N)rn ro rp rq r� r� r� r� r� r� r� r� r� r] r� r� r8 r8 r8 r9 r� b s r� c s e Zd Z� fdd�Z� ZS )� ExFileObjectc s& t |j|j|j|j�}t� �|� d S r� )r� r� � offset_datar' �sparse�superr� )r� �tarfile�tarinfor� �� __class__r8 r9 r� � s �zExFileObject.__init__�rn ro rp r� � __classcell__r8 r8 r� r9 r� � s r� c @ s e Zd ZdS )� FilterErrorN)rn ro rp r8 r8 r8 r9 r� � s r� c s e Zd Z� fdd�Z� ZS )�AbsolutePathErrorc s || _ t� �d|j�d�� d S )Nzmember z has an absolute path�r� r� r� r� �r� r� r� r8 r9 r� � s zAbsolutePathError.__init__r� r8 r8 r� r9 r� � s r� c s e Zd Z� fdd�Z� ZS )�OutsideDestinationErrorc s. || _ || _t� �|j�d|�d�d � d S )Nz would be extracted to �, � which is outside the destination�r� �_pathr� r� r� �r� r� r% r� r8 r9 r� � s �z OutsideDestinationError.__init__r� r8 r8 r� r9 r� � s r� c s e Zd Z� fdd�Z� ZS )�SpecialFileErrorc s || _ t� �|j�d�� d S )Nz is a special filer� r� r� r8 r9 r� � s zSpecialFileError.__init__r� r8 r8 r� r9 r� � s r� c s e Zd Z� fdd�Z� ZS )�AbsoluteLinkErrorc s || _ t� �|j�d�� d S )Nz! is a symlink to an absolute pathr� r� r� r8 r9 r� � s zAbsoluteLinkError.__init__r� r8 r8 r� r9 r� � s r� c s e Zd Z� fdd�Z� ZS )�LinkOutsideDestinationErrorc s. || _ || _t� �|j�d|�d�d � d S )Nz would link to r� r� r� r� r� r8 r9 r� � s �z$LinkOutsideDestinationError.__init__r� r8 r8 r� r9 r� � s r� c C s� i }| j }tj�|�}|�dtjf�r@| j�dtj � }|d< tj�|�rTt| ��tj�tj� ||��}tj� ||g�|kr�t | |��| j }|d k r�|d@ }|r�| � � s�| �� r�|d@ s�|dM }|dO }n | �� s�| �� r�d }nt| ��|| j kr�||d< |�r�| jd k �rd |d< | jd k �r*d |d < | jd k �r>d |d < | jd k �rRd |d < | �� �sf| �� �r�tj�| j��r~t| ��| �� �r�tj� |tj�|�| j�}ntj� || j�}tj�|�}tj� ||g�|k�r�t| |��|S ) N�/r� i� �@ i����� r� r) r* r+ r, )r� r{ r% �realpathr� �sep�lstrip�isabsr� r� � commonpathr� r� �isreg�islnk�isdir�issymr� r) r* r+ r, �linknamer� �dirnamer� )�member� dest_pathZfor_data� new_attrsr� Z target_pathr� r8 r8 r9 �_get_filtered_attrs� s^ �� r c C s | S r� r8 )r r r8 r8 r9 �fully_trusted_filter6 s r c C s( t | |d�}|r$| jf |ddi��S | S )NF�deep�r r� �r r r r8 r8 r9 � tar_filter9 s r c C s( t | |d�}|r$| jf |ddi��S | S )NTr Fr r r8 r8 r9 � data_filter? s r )Z fully_trustedr� r� c @ s� e Zd ZdZedddddddd d d d d ddddddddd�Zdidd�Zedd� �Zej dd� �Zedd � �Z e j d d � �Z d d � Z e e e e e e e e d e d!� d"d#�Z d$d%� Zeed&fd'd(�Zd)d*� Zd+d,� Zd-d.� Zed/d0� �Zd1d2� Zed3d4� �Zed5d6� �Zed7d8� �Zed9d:� �Z ed;d<� �Z ed=d>� �Z d?d@� Z dAdB� Z dCdD� Z!dEdF� Z"dGdH� Z#dIdJ� Z$dKdL� Z%dMdN� Z&dOdP� Z'dQdR� Z(dSdT� Z)dUdV� Z*dWdX� Z+dYdZ� Z,d[d\� Z-d]d^� Z.d_d`� Z/dadb� Z0dcdd� Z1dedf� Z2dgdh� Z3dS )jr a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. zName of the archive member.zPermission bits.z6User ID of the user who originally stored this member.z7Group ID of the user who originally stored this member.zSize in bytes.zTime of last modification.zHeader checksum.z�File type. type is usually one of these constants: REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_SPARSE.zcName of the target file name, which is only present in TarInfo objects of type LNKTYPE and SYMTYPE.z User name.z Group name.zDevice major number.zDevice minor number.zThe tar header starts here.z The file's data starts here.zMA dictionary containing key-value pairs of an associated pax extended header.zSparse member information.N)r� r� r) r* r' r( �chksum�typer r+ r, �devmajor�devminorr� r� � pax_headersr� r� �_sparse_structs� _link_targetr� c C sj || _ d| _d| _d| _d| _d| _d| _t| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _i | _dS )zXConstruct a TarInfo object. name is the optional name of the member. i� r r� N)r� r� r) r* r' r( r �REGTYPEr r r+ r, r r r� r� r� r �r� r� r8 r8 r9 r� u s" zTarInfo.__init__c C s | j S )z(In pax headers, "name" is called "path".�r� r� r8 r8 r9 r% � s z TarInfo.pathc C s || _ d S r� r r r8 r8 r9 r% � s c C s | j S )z0In pax headers, "linkname" is called "linkpath".�r r� r8 r8 r9 r& � s zTarInfo.linkpathc C s || _ d S r� r )r� r r8 r8 r9 r& � s c C s d| j j| jt| �f S )Nz<%s %r at %#x>)r� rn r� �idr� r8 r8 r9 �__repr__� s zTarInfo.__repr__T) r� r( r� r r) r* r+ r, r �_KEEPc C s� | rt �| �} n t � | �} || k r(|| _|| k r6|| _|| k rD|| _|| k rR|| _|| k r`|| _|| k rn|| _|| k r||| _|| k r�|| _ | S )zGReturn a deep copy of self with the given attributes replaced. ) �copyZdeepcopyr� r( r� r r) r* r+ r, ) r� r� r( r� r r) r* r+ r, r r �resultr8 r8 r9 r� � s( zTarInfo.replacec C s� | j dkrd}n | j d@ }| j|| j| j| j| j| j| j| j| j | j | j | j d� }|d t kr||d �d�s||d d7 < |S )z9Return the TarInfo's attributes as a dictionary. N� ) r� r� r) r* r' r( r r r r+ r, r r r r� r� )r� r� r) r* r' r( r r r r+ r, r r �DIRTYPEr� )r� r� �infor8 r8 r9 �get_info� s( �zTarInfo.get_info�surrogateescapec C sz | � � }|�� D ] \}}|dkrtd| ��q|tkrD| �|||�S |tkrZ| �|||�S |tkrn| �||�S td��dS )z<Return a tar header as a string of 512 byte blocks. Nz%s may not be Nonezinvalid format) r# �itemsr0 r �create_ustar_headerr �create_gnu_headerr �create_pax_header)r� rS r6 r7 r" r� �valuer8 r8 r9 �tobuf� s z TarInfo.tobufc C sn t |d< t|d �||��tkr(td��t|d �||��tkr^| �|d ||�\|d< |d< | �|t||�S )z3Return the object as a ustar header block. �magicr zlinkname is too longr� �prefix) � POSIX_MAGICr2 r1 � LENGTH_LINKr0 � LENGTH_NAME�_posix_split_name�_create_headerr )r� r" r6 r7 r8 r8 r9 r& � s zTarInfo.create_ustar_headerc C s� t |d< d}t|d �||��tkr<|| �|d t||�7 }t|d �||��tkrl|| �|d t||�7 }|| �|t ||� S )z:Return the object as a GNU header block sequence. r+ r� r r� ) � GNU_MAGICr2 r1 r. �_create_gnu_long_header�GNUTYPE_LONGLINKr/ �GNUTYPE_LONGNAMEr1 r )r� r" r6 r7 rW r8 r8 r9 r' � s zTarInfo.create_gnu_headerc C s* t |d< | j�� }ddtfddtfddfD ]j\}}}||kr>q*z|| �dd � W n$ tk rv || ||< Y q*Y nX t|| �|kr*|| ||< q*d D ]`\}}||kr�d ||< q�|| }d | kr�d |d k r�n n t|t �r�t |�||< d ||< q�|�r| � |t |�} nd} | | � |tdd� S )z�Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. r+ r� r% r r& )r+ r+ � )r, r, r6 rD rE ))r) rB )r* rB )r' � )r( r7 r rB r# r� r� )r- r r r/ r. r1 �UnicodeEncodeErrorr2 � isinstance�float�str�_create_pax_generic_header�XHDTYPEr1 r ) r� r" r6 r r� Zhnamer5 rR �valrW r8 r8 r9 r( s8 � * zTarInfo.create_pax_headerc C s | � |td�S )zAReturn the object as a pax global header block sequence. r/ )r< �XGLTYPE)�clsr r8 r8 r9 �create_pax_global_header7 s z TarInfo.create_pax_global_headerc C s~ |� d�}tdt|��D ]T}d�|d|� �}d�||d� �}t|�||��tkrt|�||��tkr qvqtd��||fS )zUSplit a name longer than 100 chars into a prefix and a name part. r� r# Nzname is too long)�splitrH r2 r� r1 � LENGTH_PREFIXr/ r0 )r� r� r6 r7 Z componentsrM r, r8 r8 r9 r0 = s �zTarInfo._posix_split_namec C s� | � d�ttfk}|r@t| � dd�d|�}t| � dd�d|�}n tdd||�}tdd||�}| � dt�}|dkrxtd��t| � d d�d ||�t| � d d�d @ d|�t| � d d�d|�t| � dd�d|�t| � dd�d|�t| � dd�d|�d|t| � dd�d ||�| � dt�t| � dd�d||�t| � dd�d||�t| � dd�d|�t| � dd�d|�t| � dd�d||�g}t� dt d� |��} t | t d� �d } | dd � t d | d � | d d� } | S ) z�Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. r r r rB r r� Nz TarInfo.type must not be Noner� r r� r r) r* r' r7 r( s r r+ r+ r6 r, r, r z%dsr� i����z%06o rD i����)�get�CHRTYPE�BLKTYPErT r: r r0 r- rV r� r� r� rX rO ) r" rS r6 r7 Zhas_device_fieldsr r Zfiletype�partsrW r r8 r8 r9 r1 M s: �&zTarInfo._create_headerc C s. t t| �t�\}}|dkr*| t| t 7 } | S )zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )r\ r2 r� r3 )Zpayloadrb rc r8 r8 r9 �_create_payloadw s zTarInfo._create_payloadc C sR |� ||�t }i }d|d< ||d< t|�|d< t|d< | �|t||�| �|� S )zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkr� r r' r+ )r1 r3 r2 r2 r1 r rH )r@ r� r r6 r7 r" r8 r8 r9 r3 � s �z TarInfo._create_gnu_long_headerc C s2 d}|� � D ]8\}}z|�dd� W q tk rB d}Y qFY q X q d}|rV|d7 }|� � D ]�\}}|�d�}|r�|�|d�}n |�d�}t|�t|� d }d } } |tt| �� } | | kr�q�| } q�|tt| �d �d | d | d 7 }q^i } d| d< || d< t|�| d< t| d< | �| td d�| � |� S )z�Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr/ rE Tr� s 21 hdrcharset=BINARY r$ r� r rD � � =� z././@PaxHeaderr� r r' r+ r� ) r% r1 r8 r2 r; rO r- r1 r rH ) r@ r r r6 Zbinary�keywordr) Zrecords�lrL r> r" r8 r8 r9 r< � s< ( �z"TarInfo._create_pax_generic_headerc C sv t |�dkrtd��t |�tkr(td��|�t�tkr>td��t|dd� �}|t|�krbt d��| � }t |dd� ||�|_ t|dd � �|_ t|d d � �|_ t|d d � �|_t|d d � �|_t|d d� �|_||_|dd � |_t |d d� ||�|_t |dd� ||�|_t |dd� ||�|_t|dd� �|_t|dd� �|_t |dd� ||�}|jtk�r�|j �d��r�t|_|jtk�r8d}g }t d�D ]l} z0t|||d � �} t||d |d � �} W n t k �r� Y �qY nX |� | | f� |d7 }�q�t |d �} t|dd � �} || | f|_ |�!� �rP|j �"d�|_ |�rr|jt#k�rr|d |j |_ |S ) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file header� � z bad checksumr �l �t �| � � i i i) iI iQ iY i� r� i� r� r7 � i� i� i� )$r2 rr r� rs �countr3 rt rN rX rK r? r� r� r) r* r' r( r r r r+ r, r r �AREGTYPEr� r! �GNUTYPE_SPARSErH r0 r� �boolr r �rstrip� GNU_TYPES)r@ rW r6 r7 r �objr, r� �structsrM r� �numbytes� isextended�origsizer8 r8 r9 �frombuf� sZ zTarInfo.frombufc C s8 |j �t�}| �||j|j�}|j �� t |_|�|�S )zOReturn the next TarInfo object from TarFile object tarfile. ) r� r] r� ra r6 r7 r� r� � _proc_member)r@ r� rW r\ r8 r8 r9 � fromtarfile s zTarInfo.fromtarfilec C sT | j ttfkr| �|�S | j tkr,| �|�S | j tttfkrF| � |�S | � |�S dS )zYChoose the right processing method depending on the type and call it. N) r r5 r4 � _proc_gnulongrX � _proc_sparser= r? �SOLARIS_XHDTYPE� _proc_pax� _proc_builtin)r� r� r8 r8 r9 rb s zTarInfo._proc_memberc C sR |j �� | _| j}| �� s$| jtkr4|| �| j�7 }||_| � |j |j |j � | S )zfProcess a builtin type or an unknown type which will be treated as a regular file. ) r� r� r� r r �SUPPORTED_TYPES�_blockr' r� �_apply_pax_infor r6 r7 )r� r� r� r8 r8 r9 rh & s zTarInfo._proc_builtinc C s� |j �| �| j��}z| �|�}W n tk r> td��Y nX | j|_| jt krft ||j |j �|_ n | jtkr�t ||j |j �|_|S )zSProcess the blocks that hold a GNU longname or longlink member. � missing or bad subsequent header)r� r] rj r' rc r ru r� r r5 r? r6 r7 r� r4 r )r� r� rW �nextr8 r8 r9 rd 7 s zTarInfo._proc_gnulongc C s� | j \}}}| ` |r�|j�t�}d}td�D ]n}z0t|||d � �}t||d |d � �} W n tk rz Y q�Y nX |r�| r�|�|| f� |d7 }q,t|d �}q|| _ |j� � | _ | j | � | j � |_|| _ | S )z8Process a GNU sparse header plus extra headers. r � r7 rU i� )r r� r] r� rH rN r0 r� rY r� r� r� rj r' r� ) r� r� r] r_ r` rW r� rM r� r^ r8 r8 r9 re M s( zTarInfo._proc_sparsec C s. |j �| �| j��}| jtkr&|j}n |j�� }t� d|�}|dk rX|� d�� d�|d< |� d�}|dkrr|j }nd}t�d�}d}|�||�}|s��q6|�� \} } t| �} | dkr�td ��||�d �d |�d�| d � } | �| dd|j�} | tk�r| �| ||j |j�} n| �| dd|j�} | || < || 7 }q�z| �|�} W n tk �rb td ��Y nX d |k�r|| �| |� nHd |k�r�| � | ||� n.|� d�dk�r�|� d�dk�r�| � | ||� | jt t fk�r*| � ||j |j� | j!| _!d|k�r*| j"} | �#� �s| jt$k�r$| | �| j�7 } | |_!| S )zVProcess an extended or global header as described in POSIX.1-2008. s \d+ hdrcharset=([^\n]+)\nNr# r/ � hdrcharsetZBINARYs (\d+) ([^=]+)=r rG r$ rl �GNU.sparse.map�GNU.sparse.sizezGNU.sparse.major�1zGNU.sparse.minorrF r' )%r� r] rj r' r r? r r �re�search�groupr= rD r6 �compile�match�groupsrI rK rg r� �_decode_pax_fieldr7 �PAX_NAME_FIELDSrc r ru �_proc_gnusparse_01�_proc_gnusparse_00�_proc_gnusparse_10r= rf rk r� r� r ri )r� r� rW r rw ro r6 Zregexr� r5 rL r) rm r� r8 r8 r9 rg i sh $ � � � zTarInfo._proc_paxc C sh g }t �d|�D ]}|�t|�d��� qg }t �d|�D ]}|�t|�d��� q:tt||��|_dS )z?Process a GNU tar extended sparse header, version 0.0. s \d+ GNU.sparse.offset=(\d+)\nr# s \d+ GNU.sparse.numbytes=(\d+)\nN)rs �finditerr� rI ru �list�zipr� )r� rm r rW Zoffsetsrw r^ r8 r8 r9 r| � s zTarInfo._proc_gnusparse_00c C s@ dd� |d � d�D �}tt|ddd� |ddd� ��|_dS )z?Process a GNU tar extended sparse header, version 0.1. c S s g | ] }t |��qS r8 )rI )�.0�xr8 r8 r9 � <listcomp>� s z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>rp �,Nr$ r# )rB r r� r� )r� rm r r� r8 r8 r9 r{ � s zTarInfo._proc_gnusparse_01c C s� d}g }|j �t�}|�dd�\}}t|�}t|�|d k rtd|krT||j �t�7 }|�dd�\}}|�t|�� q,|j �� |_t t |ddd� |ddd� ��|_ dS )z?Process a GNU tar extended sparse header, version 1.0. NrK r# r$ ) r� r] r� rB rI r2 r� r� r� r r� r� )r� rm r r� Zfieldsr� rW Znumberr8 r8 r9 r} � s zTarInfo._proc_gnusparse_10c C s� |� � D ]�\}}|dkr&t| d|� q|dkr@t| dt|�� q|dkrZt| dt|�� q|tkr|tkr�zt| |�}W n tk r� d}Y nX |dkr�|�d�}t| ||� q|�� | _dS ) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer% rq r' zGNU.sparse.realsizer r� N) r% �setattrrI � PAX_FIELDS�PAX_NUMBER_FIELDSr0 rZ r r )r� r r6 r7 rL r) r8 r8 r9 rk � s" zTarInfo._apply_pax_infoc C s4 z|� |d�W S tk r. |� ||� Y S X dS )z1Decode a single field from a pax record. rE N)r= �UnicodeDecodeError)r� r) r6 Zfallback_encodingZfallback_errorsr8 r8 r9 ry s zTarInfo._decode_pax_fieldc C s" t |t�\}}|r|d7 }|t S )z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r# )r\ r� )r� rV rb rc r8 r8 r9 rj s zTarInfo._blockc C s | j tkS �z4Return True if the Tarinfo object is a regular file.)r � REGULAR_TYPESr� r8 r8 r9 r s z TarInfo.isregc C s | � � S r� )r r� r8 r8 r9 �isfile s zTarInfo.isfilec C s | j tkS )z!Return True if it is a directory.)r r! r� r8 r8 r9 r " s z TarInfo.isdirc C s | j tkS )z%Return True if it is a symbolic link.)r �SYMTYPEr� r8 r8 r9 r & s z TarInfo.issymc C s | j tkS )z!Return True if it is a hard link.)r �LNKTYPEr� r8 r8 r9 r * s z TarInfo.islnkc C s | j tkS )z(Return True if it is a character device.)r rE r� r8 r8 r9 �ischr. s z TarInfo.ischrc C s | j tkS )z$Return True if it is a block device.)r rF r� r8 r8 r9 �isblk2 s z TarInfo.isblkc C s | j tkS )z Return True if it is a FIFO.)r �FIFOTYPEr� r8 r8 r9 �isfifo6 s zTarInfo.isfifoc C s | j d k S r� )r� r� r8 r8 r9 �issparse: s zTarInfo.issparsec C s | j tttfkS )zCReturn True if it is one of character device, block device or FIFO.)r rE rF r� r� r8 r8 r9 �isdev= s z TarInfo.isdev)r� )4rn ro rp rq �dict� __slots__r� �propertyr% �setterr& r r r� r# r r r* r& r' r( � classmethodrA r0 � staticmethodr1 rH r3 r< ra rc rb rh rd re rg r| r{ r} rk ry rj r r� r r r r� r� r� r� r� r8 r8 r8 r9 r R s� � � 1 ) 2 > h c @ s� e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZdZdfdd �Zedddefd d ��Zedgd d ��Zedhdd��Zedidd��Zedjdd��Zddddd�Zdd� Zd d � Z d d � Z d d!� Z dkd"d#�Z dldd%�d&d'�Z dmdd(�d)d*�Z!dnd+d,�Z"d-d.� Z#doddd0�d1d2�Z$dpddd0�d4d5�Z%d6d7� Z&d8d9� Z'd:d;� Z(d<d=� Z)d>d?� Z*dqd@dA�Z+dBdC� Z,dDdE� Z-dFdG� Z.dHdI� Z/dJdK� Z0dLdM� Z1dNdO� Z2dPdQ� Z3dRdS� Z4dTdU� Z5drdVdW�Z6dXdY� Z7dsdZd[�Z8d\d]� Z9d^d_� Z:d`da� Z;dbdc� Z<ddde� Z=dS )tr z=The TarFile Class provides an interface to tar archives. r Fr# Nrx r$ c C s� ddddd�}||kr t d��|| _|| | _|sh| jdkrTtj�|�sTd| _d| _t|| j�}d | _n@|d kr�t|d �r�t |j t t f�r�|j }t|d �r�|j| _d | _|r�tj� |�nd | _ || _|d k r�|| _|d k r�|| _|d k r�|| _|d k r�|| _|d k �r || _| | _| d k �r0| jtk�r0| | _ni | _| d k �rF| | _| d k �rV| | _| | _d | _g | _d | _ | j� � | _ i | _ z�| jdk�r�d | _ | �!� | _ | jdk�r2| j�"| j � z | j�#| �}| j�$|� W nX t%k �r� | j�"| j � Y �q2Y n0 t&k �r, } zt't |���W 5 d }~X Y nX �q�| jdk�r|d | _ | j�r|| j�(| j�)� �}| j�*|� | j t+|�7 _ W n& | j�s�| j�,� d | _� Y nX d S )a� Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. �rbzr+b�wbZxb�rx �ary r� �!mode must be 'r', 'a', 'w' or 'x'r� ry FNr� r� Trx �r� ry r� )-r0 r� �_moder{ r% �exists� bltn_openr� r� r9 r� r; rO �abspathr� rS r� � dereference� ignore_zerosr6 r7 r r �debug� errorlevel� copybufsizer� �members�_loadedr� r� �inodes� firstmemberrm r� rc r� rt r r rA r r^ r2 r� )r� r� r� r� rS r� r� r� r6 r7 r r� r� r� Zmodes�erW r8 r8 r9 r� ^ s� � " zTarFile.__init__c s� |s|st d��|dkr�� fdd�}t� j|d�D ]j}t� � j| �}|dk rV|�� } z||d|f|�W S ttfk r� |dk r�|�| � Y q2Y q2X q2td���nd |k�r |�d d �\} }| p�d} |p�d }|� jkr�t� � j| �}n td | ��||| |f|�S d |k�r�|�d d �\} }| �p.d} |�p8d }| dk�rLt d��t || |||�} z� || | f|�} W n | � � � Y nX d| _ | S |dk�r�� j |||f|�S t d��dS )a� Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression 'r:xz' open for reading with lzma compression 'a' or 'a:' open for appending, creating the file if necessary 'w' or 'w:' open for writing without compression 'w:gz' open for writing with gzip compression 'w:bz2' open for writing with bzip2 compression 'w:xz' open for writing with lzma compression 'x' or 'x:' create a tarfile exclusively without compression, raise an exception if the file is already created 'x:gz' create a gzip compressed tarfile, raise an exception if the file is already created 'x:bz2' create a bzip2 compressed tarfile, raise an exception if the file is already created 'x:xz' create an lzma compressed tarfile, raise an exception if the file is already created 'r|*' open a stream of tar blocks with transparent compression 'r|' open an uncompressed stream of tar blocks for reading 'r|gz' open a gzip compressed stream of tar blocks 'r|bz2' open a bzip2 compressed stream of tar blocks 'r|xz' open an lzma compressed stream of tar blocks 'w|' open an uncompressed stream for writing 'w|gz' open a gzip compressed stream for writing 'w|bz2' open a bzip2 compressed stream for writing 'w|xz' open an lzma compressed stream for writing znothing to open)rx �r:*c s � j | dkS )N�taropen)� OPEN_METH)r� �r@ r8 r9 �not_compressed� s z$TarFile.open.<locals>.not_compressed)�keyNrx z%file could not be opened successfully�:r# r� r� �|rw zmode must be 'r' or 'w'Fr� zundiscernible mode) r0 �sortedr� rh r� r r r� rB r� r� r� r� ) r@ r� r� r� ra �kwargsr� r� �funcZ saved_pos�filemode�streamr� r8 r� r9 r � sP % z TarFile.openc K s |dkrt d��| |||f|�S )zCOpen uncompressed tar archive name for reading or writing. r� r� )r0 )r@ r� r� r� r� r8 r8 r9 r� ( s zTarFile.taropenr� c K s� |dkrt d��zddlm} W n tk r< td��Y nX z|||d ||�}W n. tk r� |dk r||dkr|td ��� Y nX z| j|||f|�}W nB tk r� |�� |dkr�td ��� Y n |�� � Y nX d |_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. �rx ry r� � mode must be 'r', 'w' or 'x'r )�GzipFilez gzip module is not availablerd Nrx r� F) r0 Zgzipr� r� r r� r r� r� r� )r@ r� r� r� � compresslevelr� r� r� r8 r8 r9 �gzopen0 s0 zTarFile.gzopenc K s� |dkrt d��zddlm} W n tk r< td��Y nX ||pF|||d�}z| j|||f|�}W nF ttfk r� |�� |dkr�t d��� Y n |�� � Y nX d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r� r� r )�BZ2Filer� )r� rx znot a bzip2 fileF) r0 r� r� r� r r� r� �EOFErrorr� r r� )r@ r� r� r� r� r� r� r� r8 r8 r9 �bz2openQ s& zTarFile.bz2openc K s� |dkrt d��zddlm}m} W n tk r@ td��Y nX ||pJ|||d�}z| j|||f|�}W nF |tfk r� |�� |dkr�t d��� Y n |�� � Y nX d |_ |S ) zkOpen lzma compressed tar archive name for reading or writing. Appending is not allowed. r� r� r )�LZMAFiler� r� )�presetrx znot an lzma fileF) r0 r� r� r� r� r r� r� r� r r� ) r@ r� r� r� r� r� r� r� r� r8 r8 r9 �xzopenm s& zTarFile.xzopenr� r� r� r� )r� r� r� r� c C s� | j r dS d| _ z`| jdkrn| j�ttd � | jtd 7 _t | jt �\}}|dkrn| j�tt | � W 5 | js�| j�� X dS )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. NTr� r$ r ) r� r� r� r� r� r^ r3 r� r� r\ � RECORDSIZE)r� rb rc r8 r8 r9 r� � s z TarFile.closec C s" | � |�}|dkr td| ��|S )a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. Nzfilename %r not found)� _getmember�KeyError)r� r� r� r8 r8 r9 � getmember� s zTarFile.getmemberc C s | � � | js| �� | jS )z�Return the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )�_checkr� �_loadr� r� r8 r8 r9 � getmembers� s zTarFile.getmembersc C s dd� | � � D �S )z�Return the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ] }|j �qS r8 r )r� r� r8 r8 r9 r� � s z$TarFile.getnames.<locals>.<listcomp>)r� r� r8 r8 r9 �getnames� s zTarFile.getnamesc C s^ | � d� |dk r|j}|dkr$|}tj�|�\}}|�tjd�}|�d�}| �� }| |_ |dkr�| j stt� |�}q�t� |�}nt� |�� �}d}|j}t �|�r�|j|jf} | j s�|jdkr�| | jkr�|| j| kr�t} | j| }nt} | d r�|| j| < nht �|��rt} nVt �|��r"t} nDt �|��r>t } t� |�}n(t � |��rPt } nt � |��rbt!} ndS ||_||_"|j#|_$|j%|_&| tk�r�|j'|_(nd|_(|j)|_*| |_+||_,t-�r�zt-�.|j$�d |_/W n t0k �r� Y nX t1�rzt1�2|j&�d |_3W n t0k �r Y nX | t t!fk�rZt4td��rZt4td��rZt�5|j6�|_7t�8|j6�|_9|S ) a� Create a TarInfo object from the result of os.stat or equivalent on an existing file. The file is either named by `name', or specified as a file object `fileobj' with a file descriptor. If given, `arcname' specifies an alternative name for the file in the archive, otherwise, the name is taken from the 'name' attribute of 'fileobj', or the 'name' argument. The name should be a text string. �awxNr� r� r# r �major�minor):r� r� r{ r% � splitdriver� r� r� r� r� r� �lstat�stat�fstat�fileno�st_mode�S_ISREG�st_ino�st_dev�st_nlinkr� r� r �S_ISDIRr! �S_ISFIFOr� �S_ISLNKr� �readlink�S_ISCHRrE �S_ISBLKrF r� �st_uidr) �st_gidr* �st_sizer' �st_mtimer( r r �pwd�getpwuidr+ r� �grpZgetgrgidr, r� r� �st_rdevr r� r ) r� r� �arcnamer� Zdrvr� Zstatresr Zstmd�inoder r8 r8 r9 � gettarinfo� s� � � zTarFile.gettarinfoT)r� c C s* | � � |dkr| }|D �] }|r�|jdkr6td� ntt�|j�� td|jpT|j|jp^|jf � |� � sv|� � r�tdd|j |j f � ntd|j � |jdkr�td� n tdt�|j�dd � � t|j|�� r�d nd � |�r |�� �rtd |j � |�� �r td |j � t� qdS )a Print a table of contents to sys.stdout. If `verbose' is False, only the names of the members are printed. If it is True, an `ls -l'-like output is produced. `members' is optional and must be a subset of the list returned by getmembers(). Nz ??????????z%s/%sz%10sz%d,%dz%10dz????-??-?? ??:??:??z%d-%02d-%02d %02d:%02d:%02dr� r� r� z-> zlink to )r� r� rl r� r� r+ r) r, r* r� r� r r r' r( r� � localtimer� r r r r rk )r� �verboser� r� r8 r8 r9 r ' s8 �� � z TarFile.list��filterc C s6 | � d� |dkr|}| jdk rFtj�|�| jkrF| �dd| � dS | �d|� | �||�}|dkrz| �dd| � dS |dk r�||�}|dkr�| �dd| � dS |�� r�t|d��}| � ||� W 5 Q R X n`|� � �r(| � |� |�r2t t� |��D ]*}| j tj�||�tj�||�||d � q�n | � |� dS ) a! Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `filter' is a function that expects a TarInfo object argument and returns the changed TarInfo object, if it returns None the TarInfo object will be excluded from the archive. r� Nr$ ztarfile: Skipped %rr# z tarfile: Unsupported type %r�tarfile: Excluded %rr� r� )r� r� r{ r% r� �_dbgr� r r� �addfiler r� �listdir�addr� )r� r� r� � recursiver� r� �fr8 r8 r9 r� M s8 � z TarFile.addc C s� | � d� t�|�}|�| j| j| j�}| j�|� | jt |�7 _| j }|dk r�t || j|j |d� t |j t�\}}|dkr�| j�tt| � |d7 }| j|t 7 _| j�|� dS )a Add the TarInfo object `tarinfo' to the archive. If `fileobj' is given, it should be a binary file, and tarinfo.size bytes are read from it and added to the archive. You can create TarInfo objects directly, or by using gettarinfo(). r� N)ra r r# )r� r r* rS r6 r7 r� r^ r� r2 r� r[ r' r\ r� r3 r� r� )r� r� r� rW ra rb rc r8 r8 r9 r� � s zTarFile.addfilec C sB |d kr�| j }|d kr�tj�d�}|d kr�z tt�}W n tk rJ Y nBX dd l}|jd dd�}|� |� |� W 5 Q R X |jdddd�}|r�z t | }W n& t k r� t d|�d ��d �Y nX || _ |S t r�t�d t� tS tS t|t�r�td ��|S t|��r |S z t | W S t k �r< t d|�d ��d �Y nX d S ) NZ PYTHON_TARFILE_EXTRACTION_FILTERr )�#)Z interpolationZcomment_prefixesr� r� )Zfallbackzfilter z not founda The default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 for more details.zrString names are not supported for TarFile.extraction_filter. Use a function such as tarfile.data_filter directly.)�extraction_filterr{ �environrD r� �_CONFIG_FILENAME�FileNotFoundError� configparserZ ConfigParserZ read_file�_NAMED_FILTERSr� r0 �_RH_SAFER_DEFAULT�warnings�warn�RuntimeWarningr r r9 r; � TypeError�callable)r� r� r� �filer� Zconfr8 r8 r9 �_get_filter_function� sZ �� � � z TarFile._get_filter_function�.)� numeric_ownerr� c C s� g }| � |�}|dkr| }|D ]F}| �|||�}|dkr:q |�� rL|�|� | j|||�� |d� q |jdd� dd� |D ]n}tj�||j �} z,| j || |d� | � || � | � || � W q| t k r� } z| �| � W 5 d} ~ X Y q|X q|dS )a� Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). If `numeric_owner` is True, only the numbers for user/group names are used and not the names. The `filter` function will be called on each member just before extraction. It can return a changed TarInfo or None to skip the member. String names of common filters are accepted. N�� set_attrsr c S s | j S r� r )r� r8 r8 r9 �<lambda>� r� z$TarFile.extractall.<locals>.<lambda>T)r� �reverse)r )r �_get_extract_tarinfor r� � _extract_one�sortr{ r% r� r� �chown�utime�chmodr �_handle_nonfatal_error) r� r% r� r r� Z directories�filter_functionr r� �dirpathr� r8 r8 r9 � extractall� s, � zTarFile.extractallr� c C s4 | � |�}| �|||�}|dk r0| �||||� dS )a� Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. If `numeric_owner` is True, only the numbers for user/group names are used and not the names. The `filter` function will be called before extraction. It can return a changed TarInfo or None to skip the member. String names of common filters are accepted. N)r r r )r� r r% r r r� r r� r8 r8 r9 �extract� s zTarFile.extractc C s� t |t�r| �|�}n|}|}z|||�}W nZ ttfk r\ } z| �|� W 5 d}~X Y n, tk r� } z| �|� W 5 d}~X Y nX |dkr�| �dd|j � dS |� � r�t � |�}t j �||j�|_|S )z@Get filtered TarInfo (or None) from member, which might be a strNr$ r� )r9 r; r� r� r� �_handle_fatal_errorr r r� r� r r r{ r% r� r r )r� r r r% r� Z unfilteredr� r8 r8 r9 r s" z TarFile._get_extract_tarinfoc C s� | � d� z"| j|tj�||j�||d� W nV tk rX } z| �|� W 5 d}~X Y n, tk r� } z| � |� W 5 d}~X Y nX dS )z%Extract from filtered tarinfo to diskrx r N) r� �_extract_memberr{ r% r� r� r� r r r )r� r� r% r r r� r8 r8 r9 r % s � zTarFile._extract_onec C s" | j dkr� n| �dd| � dS )z=Handle non-fatal error (ExtractError) according to errorlevelr# � tarfile: %sN)r� r� �r� r� r8 r8 r9 r 2 s z TarFile._handle_nonfatal_errorc C sn | j dkr� n\t|t�rP|jdkr6| �dd|j � qj| �dd|j|jf � n| �ddt|�j|f � dS )z1Handle "fatal" error according to self.errorlevelr Nr# r ztarfile: %s %rztarfile: %s %s)r� r9 r� �filenamer� �strerrorr rn r r8 r8 r9 r 9 s zTarFile._handle_fatal_errorc C s� | � d� t|t�r | �|�}n|}|�� s6|jtkrB| �| |�S |�� sR|� � rzt| j t �rht d��q~| � | �|��S ndS dS )z�Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file or a link, an io.BufferedReader object is returned. Otherwise, None is returned. rx z'cannot extract (sym)link as file objectN)r� r9 r; r� r r ri � fileobjectr r r� r� r � extractfile�_find_link_target)r� r r� r8 r8 r9 r E s zTarFile.extractfilec C sT |� d�}|�dtj�}tj�|�}|r>tj�|�s>t�|� |�� sN|� � rh| � dd|j |j f � n| � d|j � |� � r�| �||� n�|�� r�| �||� nx|�� r�| �||� nb|�� s�|�� r�| �||� nD|�� s�|� � r�| �||� n&|jtk�r| �||� n | �||� |�rP| �|||� |� � �sP| �||� | � ||� dS )z\Extract the TarInfo object tarinfo to a physical file called targetpath. r� r# z%s -> %sN) rZ r� r{ r� r% r r� �makedirsr r r� r� r r �makefiler �makedirr� �makefifor� r� �makedev�makelinkr ri � makeunknownr r r )r� r� � targetpathr r Z upperdirsr8 r8 r9 r d s4 zTarFile._extract_memberc C s@ z&|j dkrt�|� n t�|d� W n tk r: Y nX dS )z,Make a directory called targetpath. Ni� )r� r{ �mkdir�FileExistsError�r� r� r' r8 r8 r9 r" � s zTarFile.makedirc C s� | j }|�|j� | j}t|d��b}|jdk rn|jD ]"\}}|�|� t|||t|� q4|�|j� |� � nt|||jt|� W 5 Q R X dS )z'Make a file called targetpath. r� N) r� r� r� r� r� r� r[ r r' �truncate)r� r� r' �sourcera �targetr� r' r8 r8 r9 r! � s zTarFile.makefilec C s" | � ||� | �dd|j � dS )zYMake a file from a TarInfo object with an unknown type at targetpath. r# z9tarfile: Unknown file type %r, extracted as regular file.N)r! r� r r* r8 r8 r9 r& � s �zTarFile.makeunknownc C s" t td�rt�|� ntd��dS )z'Make a fifo called targetpath. �mkfifoz fifo not supported by systemN)r� r{ r. r r* r8 r8 r9 r# � s zTarFile.makefifoc C sj t td�rt td�s td��|j}|dkr.d}|�� rB|tjO }n |tjO }t�||t� |j |j �� dS )z<Make a character or block device called targetpath. �mknodr$ z'special devices not supported by systemNr� ) r� r{ r r� r� r� �S_IFBLK�S_IFCHRr/ r$ r r )r� r� r' r� r8 r8 r9 r$ � s �zTarFile.makedevc C s� zb|� � r0tj�|�r t�|� t�|j|� n0tj�|j�rNt� |j|� n| � | � |�|� W nH t k r� z| � | � |�|� W n t k r� td��Y nX Y nX dS )z�Make a (symbolic) link called targetpath. If it cannot be created (platform limitation), we try to make a copy of the referenced file instead of a link. z%unable to resolve link inside archiveN)r r{ r% �lexists�unlink�symlinkr r� r �linkr r �symlink_exceptionr� r r* r8 r8 r9 r% � s" � �zTarFile.makelinkc C s� t td�r�t�� dkr�|j}|j}|s�z trB|jrBt�|j�d }W n tk rX Y nX z t rv|j rvt � |j �d }W n tk r� Y nX |dkr�d}|dkr�d}z4|� � r�t td�r�t� |||� nt�|||� W n tk r� td��Y nX dS )z�Set owner of targetpath according to tarinfo. If numeric_owner is True, use .gid/.uid instead of .gname/.uname. If numeric_owner is False, fall back to .gid/.uid when the search based on name fails. �geteuidr r$ Nr; �lchownzcould not change owner)r� r{ r7 r* r) r� r, Zgetgrnamr� r� r+ �getpwnamr r8 r r� r )r� r� r' r �g�ur8 r8 r9 r � s0 z TarFile.chownc C sB |j dkrdS zt�||j � W n tk r< td��Y nX dS )zASet file permissions of targetpath according to tarinfo. Nzcould not change mode)r� r{ r r� r r* r8 r8 r9 r s z TarFile.chmodc C sV |j }|dkrdS ttd�s dS zt�|||f� W n tk rP td��Y nX dS )zBSet modification time of targetpath according to tarinfo. Nr z"could not change modification time)r( r� r{ r r� r )r� r� r' r( r8 r8 r9 r s z TarFile.utimec C s� | � d� | jdk r$| j}d| _|S | j| j�� krZ| j�| jd � | j�d�sZtd��d}z| j� | �}W �q� t k r� } z6| j r�| � dd| j|f � | jt 7 _W Y �q^W 5 d}~X Y �q� tk �r6 } zR| j �r| � dd| j|f � | jt 7 _W Y � q^n| jdk�r&tt|���W 5 d}~X Y n� tk �r^ | jdk�rZtd��Y nj tk �r� } z | jdk�r�tt|���W 5 d}~X Y n0 tk �r� } ztt|���W 5 d}~X Y nX �q�q^|dk �r�| j�|� nd | _|S ) z�Return the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. ZraNr# rY r$ z0x%X: %sr z empty fileT)r� r� r� r� r� r� r] r r� rc rt r� r� r� rK r; rr rs ru r� r� r� )r� �mr� r� r8 r8 r9 rm ' sJ z TarFile.nextc C s� | � � }d}|dk rHz|�|�}W n tk r: d}Y nX |d|� }|rXtj�|�}t|�D ]D}|rz|j|jkr`d}q`|r�tj�|j�}n|j}||kr`| S q`|r�t|��dS )z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. FNT) r� �indexr0 r{ r% �normpath�reversedr� r� ) r� r� r� � normalizer� Zskippingr= r � member_namer8 r8 r9 r� ] s, zTarFile._getmemberc C s | � � }|dkr qq d| _dS )zWRead through the entire archive file and look for readable members. NT)rm r� r� r8 r8 r9 r� � s z TarFile._loadc C s: | j rtd| jj ��|dk r6| j|kr6td| j ��dS )znCheck if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. z %s is closedNzbad operation for mode %r)r� r� r� rn r� )r� r� r8 r8 r9 r� � s zTarFile._checkc C s` |� � r.d�tdtj�|j�|jf��}d}n |j}|}| j||dd�}|dkr\t d| ��|S )zZFind the target member of a symlink or hardlink member in the archive. r� NT)r� r@ zlinkname %r not found) r r� r� r{ r% r r� r r� r� )r� r� r �limitr r8 r8 r9 r � s zTarFile._find_link_targetc c s� | j r| jE dH dS d}| jdk r:| �� }|d7 }|V |t| j�k rT| j| }n"| j sr| �� }|svd| _ dS ndS |d7 }|V q:dS )z$Provide an iterator object. Nr r# T)r� r� r� rm r2 )r� r= r� r8 r8 r9 �__iter__� s$ zTarFile.__iter__c C s || j krt|tjd� dS )z.Write debugging output to sys.stderr. �r N)r� rk ri �stderr)r� �level�msgr8 r8 r9 r� � s z TarFile._dbgc C s | � � | S r� )r� r� r8 r8 r9 � __enter__� s zTarFile.__enter__c C s, |d kr| � � n| js"| j� � d| _d S r� )r� r� r� r� )r� r r) � tracebackr8 r8 r9 �__exit__� s zTarFile.__exit__) Nrx NNNNNNr$ NNNN)rx N)rx Nr� )rx Nr� )rx NN)NNN)T)NT)N)r N)r� T)TF)NF)N)>rn ro rp rq r� r� r� r� r rS r r6 r7 r r� r� r r� r� r� r� r r� r� r� r� r� r� r� r� r� r� r r� r� r r r r r r r r r r" r! r& r# r$ r% r r r rm r� r� r� r rC r� rH rJ r8 r8 r8 r9 r B s� � oZ � c&3 5� -� � 1! 6 ( c C s2 zt | �}|�� W dS tk r, Y dS X dS )zfReturn True if name points to a tar archive that we are able to handle, else return False. TFN)r r� r )r� r� r8 r8 r9 r � s c C s dd l } d}| j|d�}|jdddddd � |jd d td d � |jdd�}|jddddd� |jdddddd� |jdd dd d d� |jd d dd!d� |�� }|jr�|jd kr�|�d"d#� |j d k �r4|j }t |��r t |d$�� }|� � t |� � tjd%� W 5 Q R X |j�r0t d&�|�� n|�d"d'�|�� �n�|jd k �r�|j}t |��rxt� |d(��}|j|jd)� W 5 Q R X n|�d"d'�|�� �nv|jd k �rbt|j�d"k�r�|jd }tj}n,t|j�d*k�r�|j\}}n|�d"|�� � t |��rNt� |d(��}|j||jd+� W 5 Q R X |j�r`|d,k�r8d-�|�} n d.�||�} t | � n|�d"d'�|�� n�|jd k �r|j�d�} tj� | �\} } d/d/d0d0d1d1d1d1d2�} | | k�r�d3| | nd4}|j}t� | |�� }|D ]}|� |� �q�W 5 Q R X |j�rt d5�| �� d S )6Nr z3A simple command-line interface for tarfile module.)� descriptionz-vz --verbose� store_trueFzVerbose output)�action�default�helpz--filterz <filtername>zFilter for extraction)�metavar�choicesrO T)Zrequiredz-lz--list� <tarfile>zShow listing of a tarfile)rP rO z-ez --extract�+)rR z <output_dir>z Extract tarfile into target dir)�nargsrP rO z-cz--create)z<name>z<file>zCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr# z&--filter is only valid for extraction rx rD z{!r} is a tar archive.z{!r} is not a tar archive. r� )r� r$ )r% r� r z{!r} file is extracted.z+{!r} file is extracted into {!r} directory.r� r� r� )r� z.tgzz.xzz.txzz.bz2z.tbzz.tbz2z.tb2zw:ry z{!r} file created.) �argparse�ArgumentParser� add_argumentr� Z add_mutually_exclusive_group� parse_argsr� r �exitZtestr r r� rk ri rE r� rS r r r2 r{ �curdirZ format_helpr Zcreate�popr% �splitextr� )rU rK �parserru �argsr_ r� ZtfrZ rG Ztar_name�_ZextZ compressionsZtar_modeZ tar_files� file_namer8 r8 r9 �main� s� �� � � � � � � ra �__main__)T)mrq �version� __author__� __credits__�builtinsr r� ri r{ r� rZ r� r� rV r rs r� r� r� r� �AttributeError�NotImplementedErrorr6 r� � NameError�__all__r� r� r3 r� r� r2 r- r/ r. rC r rW r� r� rE rF r! r� ZCONTTYPEr5 r4 rX r= r? rf r r r r ri r� r[ r� rz r: rI r� r� r �getfilesystemencodingr: r? rN rT rX r[ rl � Exceptionr r r r r r rr rs rt rK ru rv r� �objectr� r� �BufferedReaderr� r� r� r� r� r� r� r r r r r� r r r r ra rn r8 r8 r8 r9 �<module> s< � � �� � s h ?� u ) _