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} | j d k r<t | � | k r%t d � � | | | _ | d 7} | j d k r�t | � | k rit d � � | | | _ | d 7} | j d k r�t | � | k r�t d � � | j } | | | _ | d 7} | | d d � } q Wd S)Nr z<HHr � z<QQQ� r z<QQr r z<Qr r zCorrupt extra field %s� ���� � �� z/Corrupt zip64 extra field. File size not found.z3Corrupt zip64 extra field. Compress size not found.z3Corrupt zip64 extra field. Header offset not found.)r� r� ) r^ r8 r9 r7 � RuntimeErrorri r rh rf )rw r^ r9 �tpZlnZcounts�idx�oldr r r � _decodeExtra� sF
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_ZipDecryptera Class to handle decryption of files stored within a ZIP archive.
ZIP supports a password-based form of encryption. Even though known
plaintext attacks have been found against it, it is still useful
to be able to get data out of such a file.
Usage:
zd = _ZipDecrypter(mypwd)
plain_char = zd(cypher_char)
plain_text = map(zd, cypher_text)
c C s� d } d g d } xh t d � D]Z } | } xA t d � D]3 } | d @r^ | d ?d @| A} q9 | d ?d @} q9 W| | | <q W| S)z�Generate a CRC-32 table.
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| � } | j j | _ | S)Nr rN z<Hr r� ) r� r� r7 r8 r9 r� r� r� r� r� �
decompressr� )rw rK Zpsizer4 r r r r� R s " #zLZMADecompressor.decompressN)r r r rx r� r r r r r� K s r� ZstoreZshrink�reduceZimplode�tokenizeZdeflateZ deflate64Zbzip2r� Zterse� Zlz77�a Zwavpack�b Zppmdc C s� | t k r no | t k r0 t s~ t d � � nN | t k rQ t s~ t d � � n- | t k rr t s~ t d � � n t d � � d S)Nz.Compression requires the (missing) zlib modulez-Compression requires the (missing) bz2 modulez.Compression requires the (missing) lzma modulez(That compression method is not supported)r r �zlibr� r �bz2r r� )� compressionr r r �_check_compression{ s r� c C sV | t k r% t j t j t j d � S| t k r; t j � S| t k rN t � Sd Sd S)Nr( i�)
r r� Z compressobjZZ_DEFAULT_COMPRESSIONZDEFLATEDr r� Z
BZ2Compressorr r� )r] r r r �_get_compressor� s
r� c C s� | t k r d S| t k r) t j d � S| t k r? t j � S| t k rR t � St j
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decompressobjr r� ZBZ2Decompressorr r� r} r~ �NotImplementedError)r] Zdescrr r r �_get_decompressor� s
r� c @ sC e Z d Z d d � Z d d � Z d d d � Z d d � Z d
S) � _SharedFilec C s( | | _ | | _ | | _ | | _ d S)N)�_file�_pos�_close�_lock)rw �file�pos�close�lockr r r rx � s z_SharedFile.__init__c C s | j S)N)r� )rw r r r rP � s z_SharedFile.tellr c C sP | j �@ | j j | j � | j j | � } | j j � | _ | SWd QRXd S)N)r� r� r6 r� r/ rP )rw �nrK r r r r/ � s
z_SharedFile.readc C s2 | j d k r. | j } d | _ | j | � d S)N)r� r� )rw �fileobjr r r r� � s z_SharedFile.closeNr{ )r r r rx rP r/ r� r r r r r� � s r� c @ sL e Z d Z d d � Z d d � Z d d � Z d d � Z d d
� Z d S) � _Tellablec C s | | _ d | _ d S)Nr )r- rI )rw r- r r r rx � s z_Tellable.__init__c C s% | j j | � } | j | 7_ | S)N)r- �writerI )rw rK r� r r r r� � s z_Tellable.writec C s | j S)N)rI )rw r r r rP � s z_Tellable.tellc C s | j j � d S)N)r- r� )rw r r r r� � s z_Tellable.flushc C s | j j � d S)N)r- r� )rw r r r r� � s z_Tellable.closeN)r r r rx r� rP r� r� r r r r r� � s
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ZipExtFilezZFile-like object for reading an archive member.
Is returned by ZipFile.open().
r r i s* ^(?P<chunk>[^\r\n]+)|(?P<newline>\n|\r\n?)NFc C s� | | _ | | _ | | _ | j | _ | j | _ | j | _ t | j � | _
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d | k | _ d | _ | j d k r� | j d 8_ | | _ | j | _ t | d � r� | j | _ t d � | _ n d | _ d S)NFrN r �Ur rg )�_fileobj�
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_expected_crc�crc32� _running_crc)rw r� r� �zipinfoZ decrypterZ
close_fileobjr r r rx � s( zZipExtFile.__init__c C s� d | j j | j j f g } | j sz | j d | j | j f � | j t k r� | j d t j
| j | j � � n
| j d � | j d � d j | � S)Nz<%s.%sz name=%r mode=%rz compress_type=%sz [closed]ry rz ) r| r r �closedrU r� r� r� r r} r~ r� )rw r4 r r r r� s
zZipExtFile.__repr__c C s� | j ra | d k ra | j j d | j � d } | d k ra | j | j | � } | | _ | S| j s} t j j | | � Sd } x| d k s� t | � | k r�| j d � } | d k r� | S| j j
| � } | j d � } | d k rD| j d k rg | _ | | j k r'| j j
| � | j t | � 7_ | d S| j d � } | d k ry| d | t | � � } | j t | � 7_ | | 7} q� W| S) zrRead and return a line from the stream.
If limit is specified, at most limit bytes will be read.
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r rN r �newlineN�chunk)r� r� rn r� �io�BufferedIOBase�readliner7 �peek�PATTERN�search�groupr� rU )rw �limitr� �lineZ readahead�matchr� r� r r r r� s8 !
zZipExtFile.readlinec C s� | t | j � | j k r~ | j | � } t | � | j k ri | | j | j d � | _ d | _ n | j t | � 8_ | j | j | j d � S)z6Returns buffered bytes without advancing the position.Nr i )r7 r� r� r/ )rw r� r� r r r r� F s zZipExtFile.peekc C s d S)NTr )rw r r r �readableS s zZipExtFile.readablec C sm | d k s | d k rj | j | j d � } d | _ d | _ x# | j se | | j | j � 7} qC W| S| | j } | t | j � k r� | j | j | � } | | _ | S| t | j � } | j | j d � } d | _ d | _ x| | d k rh| j rh| j | � } | t | � k rK| | _ | | _ | | d | � 7} P| | 7} | t | � 8} q� W| S)z�Read and return up to n bytes.
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Nr rN )r� r� r� �_read1�MAX_Nr7 )rw r� �buf�endrK r r r r/ V s4
zZipExtFile.readc C sZ | j d k r d St | | j � | _ | j rV | j | j k rV t d | j � � d S)NzBad CRC-32 for file %r)r� r� r� r� r r� )rw �newdatar r r � _update_crcw s
zZipExtFile._update_crcc C sp | d k s | d k rw | j | j d � } d | _ d | _ x0 | j sr | j | j � } | rC | | 7} PqC W| S| | j } | t | j � k r� | j | j | � } | | _ | S| t | j � } | j | j d � } d | _ d | _ | d k rlxf | j sk| j | � } | t | � k rW| | _ | | _ | | d | � 7} P| r| | 7} PqW| S)z7Read up to n bytes with at most one read() system call.Nr rN )r� r� r� r r r7 )rw r� r rK r r r r �read1� s>
zZipExtFile.read1c C s� | j s | d k r d S| j t k rf | j j } | t | � k ru | | j | t | � � 7} n | j | � } | j t k r� | j d k | _ n� | j t k rt | | j
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zZipExtFile._read1c C s� | j d k r d St | | j � } t | | j � } | j j | � } | j t | � 8_ | sj t � | j d k r� t t
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s/ z | j r | j j � Wd t � j � Xd S)N)r� r� r� �super)rw )r| r r r� � s zZipExtFile.close� i @r{ r{ )r r r r r r �re�compiler� rx r� r� r� r r/ r r r r
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d d d � Z d d � Z d d � Z d d � Z e d d � � Z e j d d � � Z d d d � Z d d d d! � Z d d d" d# � Z d d d d$ d% � Z e d& d' � � Z d( d) � Z d* d+ � Z d d d, d- � Z d d. d/ � Z d0 d1 � Z d2 d3 � Z d4 d5 � Z! d6 d7 � Z" d S)8r a� Class with methods to open, read, write, close, list zip files.
z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=True)
file: Either the path to the file, or a file-like object.
If it is a path, the file will be opened and closed by ZipFile.
mode: The mode can be either read 'r', write 'w', exclusive create 'x',
or append 'a'.
compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
ZIP_BZIP2 (requires bz2) or ZIP_LZMA (requires lzma).
allowZip64: if True ZipFile will create files with ZIP64 extensions when
needed, otherwise it will raise an exception when this would
be necessary.
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d @d f | _/ | j0 � | j | | _ | j1 j2 | � | | j3 | j4 <| t | t | t | t } | j d k r t d | � q W| j } x; t5 | j1 d d d � d d �D] } | | _6 | j } q�Wd S) z/Read in the table of contents for the ZIP file.zFile is not a zip filer r zgiven, inferred, offsetr zTruncated central directoryz&Bad magic number for central directoryr! i zutf-8�cp437r zzip file version %.1fr% r( r* r$ i� r r& r �total�keyc S s | j S)N)rf )�zinfor r r �<lambda>� s z*ZipFile._RealGetContents.<locals>.<lambda>�reverseTN)7r- r+ r, r r �printrE rF � _ECD_COMMENTr! rG r* r6 r/ r� �BytesIO�sizeCentralDirr7 r8 r9 �structCentralDir�
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zZipFile._RealGetContentsc C s d d � | j D� S)z+Return a list of file names in the archive.c S s g | ] } | j � q Sr )r3 )�.0rK r r r �
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archive.)r )rw r r r �infolist� s zZipFile.infolistc C sf t d d
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zZipFile.printdirc C ss d } xf | j D][ } y9 | j | j d � � } x | j | � rF q4 WWd QRXWq t k
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chunk_sizer6 �fr r r �testzip� s
zZipFile.testzipc C s2 | j j | � } | d k r. t d | � � | S)z,Return the instance of ZipInfo given 'name'.Nz(There is no item named %r in the archive)r r~ �KeyError)rw r� �infor r r �getinfo� s
zZipFile.getinfoc C sK | r, t | t � r, t d t | � � � | r> | | _ n d | _ d S)z)Set default password for encrypted files.zpwd: expected bytes, got %sN)r� r � TypeErrorr/ r� )rw r� r r r � setpassword� s
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d | k r�t d | � � t) | | | | d � SWn | j* � � Yn Xd S) z#Return file-like object for 'name'.r r� �rUz&open() requires mode "r", "U", or "rU"r Nz'U' mode is deprecatedr zpwd: expected bytes, got %sz3Attempt to read ZIP archive that was already closedr zTruncated file headerz Bad magic number for file header� z$compressed patched data (flag bit 5)�@ z strong encryption (flag bit 6)i zutf-8r3 z/File name in directory %r and header %r differ.z-Overlapped entries: {0!r} (possible zip bomb)z6File %s is encrypted, password required for extractionr r r� r� r& zBad password for fileT)r r� r_ )+r� r] r^ �DeprecationWarningr� r rY r/ r- r
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rX rp �getcwd�_extract_member)rw �member�pathr� r r r �extractS s
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zZipFile.extractallc C s� | j } | s: d } t j | d t | � � } | | _ | j | � } d d � | j | � D� } | j d d � | D� � } | S)z;Replace bad characters and remove trailing dots from parts.z:<>|"?*�_c s s | ] } | j d � Vq d S)�.N)�rstrip)rL r r r r � <genexpr>w s z1ZipFile._sanitize_windows_name.<locals>.<genexpr>c s s | ] } | r | Vq d S)Nr )rL r r r r rs y s )�!_windows_illegal_name_trans_tabler" � maketransr7 � translate�splitr� )�cls�arcname�pathsepr� Zillegalr r r �_sanitize_windows_namem s z ZipFile._sanitize_windows_namec s� | j j d t j j � } t j j rE | j t j j t j j � } t j j | � d } d t j j t j j f � t j j j � f d d � | j
t j j � D� � } t j j d k r� | j | t j j � } t j j | | � } t j j | � } t j j
| � } | r6t j j | � r6t j | � | j d
d k rlt j j | � sht j | � | S| j | d | ��0 } t | d � � } t j | | � Wd QRXWd QRX| S) zbExtract the ZipInfo object 'member' to a physical
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zZipFile._writecheckc C s� | j s t d � � t j | � } t j | j � } t j | j � } | d d � } | d k rj | } t j j
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f k r� | d d � } q� W| r� | d 7} t | | � } | d d @d >| _ | rt | _ n$ | d k r | j | _ n | | _ | j | _ d | _ | j �U| j rd| j j | j � | j j � | _ | j t k r�| j d O_ | j | � d
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