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Read and write ZIP files.
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BadZipfilet errort
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is_zipfilet ZipInfot ZipFilet PyZipFilet LargeZipFilec B s e Z RS( ( t __name__t
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Raised when writing a zipfile, the zipfile requires ZIP64 extensions
and those extensions are disabled.
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rb n X| S( s� Quickly see if a file is a ZIP file by checking the magic number.
The filename argument may be a file or file-like object too.
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Read the ZIP64 end-of-archive records and use that to update endrec
i i i s3 zipfiles that span multiple disks are not supported( t seekt sizeEndCentDir64LocatorR R" R t structR t structEndArchive64Locatort stringEndArchive64LocatorR t sizeEndCentDir64t structEndArchive64t stringEndArchive64t _ECD_SIGNATUREt _ECD_DISK_NUMBERt _ECD_DISK_STARTt _ECD_ENTRIES_THIS_DISKt _ECD_ENTRIES_TOTALt _ECD_SIZEt _ECD_OFFSET( t fpint offsett endrect datat sigt disknot relofft diskst szt create_versiont read_versiont disk_numt disk_dirt dircountt dircount2t dirsizet diroffset( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt
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| | | | | � Sd S( s� Return data from the "End of Central Directory" record, or None.
The data is a list of the nine items in the ZIP "End of central dir"
record followed by a tenth item, the file seek offset of this record.i i i i����s R i i Ni ( R( t tellt sizeEndCentDirR t NoneR" R t stringEndArchiveR* R t structEndArchivet listR RH t maxt rfindt _ECD_COMMENT_SIZE( R7 t filesizeR: R9 t maxCommentStartR t recDatat commentSizet comment( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR � s>
c B sJ e Z d Z d Z d d d � Z d d � Z d � Z d � Z d � Z RS( s> Class with attributes describing each file in the ZIP archive.t
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| S( s' Return the per-file header as a string.i i� i i i i i i i i s <HHQQs' Filesize would require ZIP64 extensionsI���� i- N( RX R] Rb Rc Rd R RK t ZIP64_LIMITR* t packt calcsizeR RO R[ R@ t _encodeFilenameFlagst structFileHeadert stringFileHeaderR\ RY R (
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_ZipDecrypterc B sD e Z d Z d � Z e � Z d � Z d � Z d � Z d � Z RS( s 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( s� Generate a CRC-32 table.
ZIP encryption uses the CRC32 one-byte primitive for scrambling some
internal keys. We noticed that a direct implementation is faster than
relying on binascii.crc32().
I ��� i i i i i���( t range( t polyt tableR t crcR ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt _GenerateCRCTable� s
c C s% | d ?d @| j | t | � Ad @AS( s( Compute the CRC32 primitive on one byte.i i��� i� ( t crctablet ord( Rq t chR� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt _crc32� s c C s= d | _ d | _ d | _ x | D] } | j | � q" Wd S( NixV4i�gE#i�xV4( t key0t key1t key2t _UpdateKeys( Rq t pwdt p( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyRs � s
c C sx | j | | j � | _ | j | j d @d @| _ | j d d d @| _ | j t | j d ?d @� | j � | _ d S( Ni� I���� i�i i ( R� R� R� Rj R� ( Rq t c( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� � s c C sP t | � } | j d B} | | | d Ad ?d @A} t | � } | j | � | S( s Decrypt a single character.i i i i� ( R� R� Rj R� ( Rq R� t k( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt __call__� s
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R R� R� R� Rs R� R� ( ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� � s t storet shrinkt reducet implodet tokenizet deflatet deflate64t bzip2t lzmat terset lz77i t wavpackia t ppmdib t
ZipExtFilec B s� e Z d Z d d >Z d Z e j d � Z d e d � Z
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Is returned by ZipFile.open().
i i i s* ^(?P<chunk>[^\r\n]+)|(?P<newline>\n|\r\n?)c C sf | | _ | | _ | | _ | j | _ | j | _ | j | _ | j t k rc t j
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close_fileobjt descr( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyRs s4 i����c C s� | j ra | d k ra | j j d | j � d } | d k ra | j | j | !} | | _ | Sn | j s} t j j | | � Sd } x| d k s� t | � | k r�| j d � } | d k r� | S| j j
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j | � n | j t | � 7_ | d S| j d � } | d k r|| | t | � } n | j t | � 7_ | | 7} q� W| S( sr Read and return a line from the stream.
If limit is specified, at most limit bytes will be read.
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i R i t newlinet chunkN( R� R� Ri R� t iot BufferedIOBaset readlineR t peekt PATTERNt searcht groupRK R� R ( Rq t limitR t linet readaheadt matchR� R� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� B s8 !
c C s� | t | j � | j k r{ | j | � } t | � | j k rc | | j | j | _ d | _ q{ | j t | � 8_ n | j | j | j d !S( s6 Returns buffered bytes without advancing the position.i i ( R R� R� R" ( Rq t nR� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� t s c C s t S( N( R ( Rq ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt readable� s c C s� d } | d k r d } n xz t r� | d k rB | j | � } n2 | t | � k rp | j | t | � � } n | St | � d k r� | S| | 7} q Wd S( s� Read and return up to n bytes.
If the argument is omitted, None, or negative, data is read and returned until EOF is reached..
R i����i N( RK R t read1R ( Rq R� t bufR: ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR" � s c C s^ | j d k r d St | | j � d @| _ | rZ | j | j k rZ t d | j � � n d S( NI���� s Bad CRC-32 for file %r( R� RK R� R� R R� ( Rq t newdatat eof( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt _update_crc� s
c C sg | d k s | d k r$ | j } n t | j � | j } | j d k rW| | t | j � k rW| | t | j � } t | | j � } t | | j � } | j
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t | j | � � } n | j t k rE| j | d | j d k �| j | j | | _ d | _ qW| j | 7_ n t | j � d k r4| | k r4| j t k r4| j j | j t | | | j � � } | j j | _ t | j � d k o�| j d k } | r�| | j j � 7} n | j | d | �| j | j | | _ d | _ n | j | j | j | !} | j t | � 7_ | S( s7 Read up to n bytes with at most one read() system call.i R R� N( RK t MAX_NR R� R� R� R� RO t
MIN_READ_SIZEt minR� R" R� R t mapR� R R� R R� t
decompresst unconsumed_tailt flush( Rq R� t len_readbuffert nbytesR: R� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� � s> ( ! $ c C s8 z | j r | j j � n Wd t t | � j � Xd S( N( R� R� t closet superR� ( Rq ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� � s i N( R R
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� � Z d d � Z d d d � Z d d d � Z d d d d � Z d � Z d � Z d d d � Z d d � Z d � Z d � Z RS( sd Class with methods to open, read, write, close, list zip files.
z = ZipFile(file, mode="r", compression=ZIP_STORED, allowZip64=False)
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" or append "a".
compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib).
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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r| j j d d � t | _ q"Xn t d � � Wn2 | j } d | _ | j sQ| j � n � n Xd S( s> Open the ZIP file with mode read "r", write "w" or append "a".R� t wt as( ZipFile() requires mode "r", "w", or "a"s. Compression requires the (missing) zlib modules( That compression method is not supportedi t bR R# t wbs r+bi R� i s Mode must be "r", "w" or "a"N( R� R� R� ( R� R R R� t _allowZip64R t
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NameToInfot filelistt compressionRm R� RK R� t _commentR� t
basestringt _filePassedR& R% R R t getattrt _RealGetContentsR R( t start_dirR R� ( Rq t fileR� R� t
allowZip64t keyt modeDictR ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyRs � sf
c C s | S( N( ( Rq ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt __enter__4 s c C s | j � d S( N( R� ( Rq t typet valuet traceback( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt __exit__7 s c C sH | j } y t | � } Wn t k
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8} n | j d k r� | | } d G| G| G| GHn | | | _ | j | j d � | j | � } t j | � } d } x| | k rC| j t � } t | � t k rft d � � n t j t | � } | t t k r�t d � � n | j d k r�| GHn | j | t � }
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� } | j | t � | _ | j | t � | _ | t | _! | d d !\ | _" | _# | _$ | _% | _& | _' } }
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?d @| d @d f | _/ | j0 � | j! | | _! | j1 � | _2 | j3 j4 | � | | j5 | j2 <| t | t | t | t } | j d k r*d G| GHq*q*Wd S( s/ Read in the table of contents for the ZIP file.s File is not a zip filei i s given, inferred, offseti s Truncated central directorys& Bad magic number for central directoryi i i i i� i i i i? t totalN(6 R R R R R� R5 R6 t _ECD_COMMENTR� t
_ECD_LOCATIONR0 R/ R- R) R� R( R" t cStringIOt StringIOt sizeCentralDirR R* R t structCentralDirt
_CD_SIGNATUREt stringCentralDirt _CD_FILENAME_LENGTHR t _CD_EXTRA_FIELD_LENGTHR t _CD_COMMENT_LENGTHRV t _CD_LOCAL_HEADER_OFFSETRa R@ RZ R[ R\ R] RY Rb Rc Rd R^ R_ R` Re RX R� R� R& R� R R� ( Rq R R9 t size_cdt offset_cdt concatt inferredR: R t centdirR& t xt tt d( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR� : sd
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"c C s. g } x! | j D] } | j | j � q W| S( s+ Return a list of file names in the archive.( R� R R& ( Rq t lR: ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt namelist s c C s | j S( sJ Return a list of class ZipInfo instances for files in the
archive.( R� ( Rq ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt infolist� s c C sJ d d GHx: | j D]/ } d | j d } d | j | | j f GHq Wd S(
s+ Print a table of contents for the zip file.s %-46s %19s %12ss File Names Modified t Sizes %d-%02d-%02d %02d:%02d:%02di s
%-46s %s %12dN( s File Names Modified R ( R� RX R& Rd ( Rq t zinfot date( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt printdir� s c C sn d } xa | j D]V } y8 | j | j d � � } x | j | � rF q4 WWd QXWq t k
re | j SXq Wd S( s% Read all the files and check the CRC.i i R� Ni ( R� R% R& R" R ( Rq t
chunk_sizeR! t f( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt testzip� s
c C s5 | j j | � } | d k r1 t d | � � n | S( s, Return the instance of ZipInfo given 'name'.s( There is no item named %r in the archiveN( R� R� RK t KeyError( Rq R� t info( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt getinfo� s
c C s
| | _ d S( s) Set default password for encrypted files.N( R� ( Rq R� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyt setpassword� s c C s | j S( s. The comment text associated with the ZIP file.( R� ( Rq ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyRV � s c C sX t | � t k rB d d l } | j d t d d �| t } n | | _ t | _ d S( Ni����s3 Archive comment is too long; truncating to %d bytest
stackleveli ( R t ZIP_MAX_COMMENTt warningst warnR� R R� ( Rq RV R- ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyRV � s
c C s | j | d | � j � S( s) Return file bytes (as a string) for name.R� ( R% R" ( Rq R� R� ( ( s, /opt/alt/python27/lib64/python2.7/zipfile.pyR" � s c C sd | d k r t d � n | j s- t d � n | j rH | j } t } n t | j d � } t } y�t | t � r{ | } n | j | � } | j
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