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Read and write ZIP files.
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ZIP_STORED ZIP_DEFLATED ZIP_BZIP2ZIP_LZMA
is_zipfileZipInfoZipFile PyZipFile LargeZipFilec @ s e Z d Z d S)r N)__name__
__module__ __qualname__ r r ,/opt/alt/python35/lib64/python3.5/zipfile.pyr + s c @ s e Z d Z d Z d S)r
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Raised when writing a zipfile, the zipfile requires ZIP64 extensions
and those extensions are disabled.
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rd Yn X| S)zQuickly see if a file is a ZIP file by checking the magic number.
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Read the ZIP64 end-of-archive records and use that to update endrec
r r r z3zipfiles that span multiple disks are not supported)seeksizeEndCentDir64Locatorr, r/ lenstructunpackstructEndArchive64LocatorstringEndArchive64Locatorr sizeEndCentDir64structEndArchive64stringEndArchive64_ECD_SIGNATURE_ECD_DISK_NUMBER_ECD_DISK_START_ECD_ENTRIES_THIS_DISK_ECD_ENTRIES_TOTAL _ECD_SIZE _ECD_OFFSET)fpinoffsetendrecdataZsigZdisknoZreloffZdisksZszcreate_versionZ read_versionZdisk_numZdisk_dirZdircountZ dircount2ZdirsizeZ diroffsetr r r
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rK c C s | j d d | j } y | j t d Wn t k
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t j t | } | t } | | t | t | } | j | | j | | t | | | | | Sd S) zReturn data from the "End of Central Directory" record, or None.
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record followed by a tenth item, the file seek offset of this record.r r Nr s r r i )r5 tellsizeEndCentDirr, r/ r7 stringEndArchiver8 r9 structEndArchivelistappendrK maxrfind_ECD_COMMENT_SIZE) rF ZfilesizerI rH ZmaxCommentStartstartZrecDataZ commentSizecommentr r r r+ s>
r+ c @ sa e Z d Z d Z d$ Z d d% d d Z d d Z d d d Z d d! Z d" d# Z d S)&r
z>Class with attributes describing each file in the ZIP archive.
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compress_size file_size _raw_timeZNoName r r c C s | | _ | j t d } | d k r: | d | } t j d k rm t j | k rm | j t j d } | | _ | | _ | d d k r t d t | _
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| | S)z'Return the per-file header as a string.r i r$ r r! r r r& r r Nz<HHQQz'Filesize would require ZIP64 extensionsl )rZ r` re rf rg r\ ZIP64_LIMITr8 packcalcsizer
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} | j d k r | | | _ | d 7} | j d k rD| | | _ | d 7} | j d k rs| j } | | | _ | d 7} | | d d } q Wd S)Nr z<HHr z<QQQ r z<QQr r z<Qr r zCorrupt extra field %s )r r )r\ r8 r9 r7 RuntimeErrorrg rf rd )ru r\ r9 tplnZcountsidxoldr r r _decodeExtra s4
zZipInfo._decodeExtra)rY r3 rZ r[ rX r\ r] rJ r^ r_ r` ra rb rc rd re rf rg rh )ri r r r r r )
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' s2 * . c @ sX e Z d Z d Z d d Z d Z d d Z d d Z d d
Z d d Z d S)
_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)zGenerate 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().
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z _ZipDecrypter._GenerateCRCTableNc C s | d ?d @| j | | Ad @AS)z(Compute the CRC32 primitive on one byte.r i )crctable)ru Zchr r r r _crc32 s z_ZipDecrypter._crc32c C s[ t j d k r t j t _ d | _ d | _ d | _ x | D] } | j | q@ Wd S)NixV4igE#ixV4)r r r key0key1key2 _UpdateKeys)ru pwdpr r r rv s
z_ZipDecrypter.__init__c C sr | j | | j | _ | j | j d @d @| _ | j d d d @| _ | j | j d ?d @| j | _ d S)Nr l ir r )r r r r )ru cr r r r s z_ZipDecrypter._UpdateKeysc C sM t | t s t | j d B} | | | d Ad ?d @A} | j | | S)zDecrypt a single character.r r r r )
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r r r r r r r rv r r r r r r r s r c @ s@ e Z d Z d d Z d d Z d d Z d d Z d S)
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| } | j j | _ | S)Nr rL z<Hr r ) r r r7 r8 r9 r r r r r
decompressr )ru rI Zpsizer4 r r r r 4 s " #zLZMADecompressor.decompressN)r r r rv r r r r r r - s r ZstoreZshrinkreduceZimplodetokenizeZdeflateZ deflate64Zbzip2r Zterse Zlz77a Zwavpackb 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)
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decompressobjr r ZBZ2Decompressorr r r{ r| NotImplementedError)r[ Zdescrr r r _get_decompressor| s
r c @ s7 e Z d Z d d Z d d d Z d d Z d S)
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z_SharedFile.readc C s2 | j d k r. | j } d | _ | j | d S)N)r r )ru fileobjr r r r s z_SharedFile.closeNry )r r r rv 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- rG )ru r- r r r rv s z_Tellable.__init__c C s% | j j | } | j | 7_ | S)N)r- writerG )ru rI r r r r r s z_Tellable.writec C s | j S)N)rG )ru r r r rN s z_Tellable.tellc C s | j j d S)N)r- r )ru r r r r s z_Tellable.flushc C s | j j d S)N)r- r )ru r r r r s z_Tellable.closeN)r r r rv r rN 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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close_fileobjr r r rv 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
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| j d | j d d j | S)Nz<%s.%sz name=%r mode=%rz compress_type=%sz [closed]rw rx ) rz r r closedrS r r r r r{ r| r )ru 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.
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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/ )ru r r r r r r % s zZipExtFile.peekc C s d S)NTr )ru r r r readable2 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)zRead and return up to n bytes.
If the argument is omitted, None, or negative, data is read and returned until EOF is reached..
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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 rL )r r r r r r7 )ru r r rI 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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minr r/ r7 EOFErrorr bytesmap)ru r rI r r r r s zZipExtFile._read2c
s/ z | j r | j j Wd t j Xd S)N)r r r super)ru )rz r r r s zZipExtFile.close i @ry ry )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.
NrTc C s | d k r t d t | | | _ d | _ d | _ i | _ g | _ | | _ | | _ d | _ d | _
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r| j j d d d | _ | j j | _ YqXn t d Wn* | j } d | _ | j | Yn Xd S)z]Open the ZIP file with mode read 'r', write 'w', exclusive create 'x',
or append 'a'.r wxaz+ZipFile requires mode 'r', 'w', 'x', or 'a'Fr NrL r0 zw+bzx+bzr+bwbZxbr r Tr z"Mode must be 'r', 'w', 'x', or 'a')r r r r )r r )!r r _allowZip64
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t 8} | j d k r | | } t d | | | | | | _ | j | j d | j | } t j | } d } xi| | k r| j t } t | t k rbt d t j t | } | t t k rt d | j d k rt | | j | t }
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d @d f | _3 | j4 | j# | | _# | j5 j6 | | | j7 | j8 <| t | t | t | t } | j d k r)t d | 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-8cp437r zzip file version %.1fr% r( r* r$ i r r& r totalN)9r- r+ r, r r printrD rE _ECD_COMMENTr
_ECD_LOCATIONr? r> r< r6 r) r5 r/ r BytesIOsizeCentralDirr7 r8 r9 structCentralDir
_CD_SIGNATUREstringCentralDir_CD_FILENAME_LENGTHdecoder
_CD_EXTRA_FIELD_LENGTHr\ _CD_COMMENT_LENGTHrX _CD_LOCAL_HEADER_OFFSETrd rJ r] r^ r_ r` r[ re rf rg MAX_EXTRACT_VERSIONr ra rb rc rh rZ r r rS r r3 )ru r- rH Zsize_cdZ offset_cdconcatZinferredrI r3 centdirr3 flagsr tdr r r r( = sp
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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 ).0rI r r r
<listcomp> s z$ZipFile.namelist.<locals>.<listcomp>)r )ru r r r namelist s zZipFile.namelistc C s | j S)zJReturn a list of class ZipInfo instances for files in the
archive.)r )ru r r r infolist s zZipFile.infolistc C sf t d d
d | xK | j D]@ } d | j d d } t d | j | | j f d | q Wd S) z+Print a table of contents for the zip file.z%-46s %19s %12s File Name Modified Sizer z%d-%02d-%02d %02d:%02d:%02dNr" z
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