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gzip.cpython-33.pyc
� �� fS_ c @ sB d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d d d g Z d d d d d f \ Z Z Z Z Z d d f \ Z Z d d e e e d d � Z d d � Z d d � Z Gd d � d � Z Gd d � d e j � Z d d d � Z d d � Z d d � Z e d k r>e � n d S( u� Functions that read and write gzipped files. The user of the file doesn't have to worry about the compression, but random access is not allowed.i Nu GzipFileu openu compressu decompressi i i i i u rbi c C s* d | k r1 d | k r� t d | f � � q� nQ | d k rL t d � � n | d k rg t d � � n | d k r� t d � � n | j d d � } t | t t f � r� t | | | � } nB t | d � s� t | d � r� t d | | | � } n t d � � d | k r"t j | | | | � S| Sd S( u� Open a gzip-compressed file in binary or text mode. The filename argument can be an actual filename (a str or bytes object), or an existing file object to read from or write to. The mode argument can be "r", "rb", "w", "wb", "a" or "ab" for binary mode, or "rt", "wt" or "at" for text mode. The default mode is "rb", and the default compresslevel is 9. For binary mode, this function is equivalent to the GzipFile constructor: GzipFile(filename, mode, compresslevel). In this case, the encoding, errors and newline arguments must not be provided. For text mode, a GzipFile object is created, and wrapped in an io.TextIOWrapper instance with the specified encoding, error handling behavior, and line ending(s). u tu bu Invalid mode: %ru0 Argument 'encoding' not supported in binary modeu. Argument 'errors' not supported in binary modeu/ Argument 'newline' not supported in binary modeu u readu writeu1 filename must be a str or bytes object, or a fileN( u ValueErroru Noneu replaceu isinstanceu stru bytesu GzipFileu hasattru TypeErroru iou TextIOWrapper( u filenameu modeu compresslevelu encodingu errorsu newlineu gz_modeu binary_file( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu open s$ c C s | j t j d | � � d S( Nu <L( u writeu structu pack( u outputu value( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu write32u? s u write32uc C s t j d | j d � � d S( Nu <Ii i ( u structu unpacku read( u input( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu read32D s u read32c B sn | Ee Z d Z d Z d d d � Z d d � Z d d d d � Z d d � Z d d d � Z d d � Z d S( u _PaddedFileu� Minimal read-only file object that prepends a string to the contents of an actual file. Shouldn't be used outside of gzip.py, as it lacks essential functionality.s c C s. | | _ t | � | _ | | _ d | _ d S( Ni ( u _bufferu lenu _lengthu fileu _read( u selfu fu prepend( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu __init__L s u _PaddedFile.__init__c C s� | j d k r | j j | � S| j | | j k ra | j } | j | 7_ | j | | j � S| j } d | _ | j | d � | j j | | j | � Sd S( N( u _readu Noneu fileu readu _lengthu _buffer( u selfu sizeu read( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu readR s u _PaddedFile.readc C s� | j d k r | | _ nQ | rO t | � | j k rO | j t | � 8_ d S| j | j d � | | _ t | j � | _ d | _ d S( Ni ( u _readu Noneu _bufferu lenu _length( u selfu prependu readprevious( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu prepend_ s u _PaddedFile.prependc C s' | j d k r d S| j | j d � S( Ns ( u _readu Noneu _buffer( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu unusedj s u _PaddedFile.unusedi c C s� | d k rk | j d k rk d | | j k o< | j k n rT | j | 7_ d S| | j | j 7} n d | _ d | _ | j j | | � S( Ni i ( u _readu Noneu _lengthu _bufferu fileu seek( u selfu offsetu whence( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu seeko s & u _PaddedFile.seekc C s t | j | � S( N( u getattru file( u selfu name( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu __getattr__{ s u _PaddedFile.__getattr__NF( u __name__u __module__u __qualname__u __doc__u __init__u readu Falseu prependu unusedu seeku __getattr__( u __locals__( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _PaddedFileG s u _PaddedFilec B s� | Ee Z d Z d Z d; Z d= Z d; d; d d; d; d d � Z e d d � � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d> d d � Z d? d d � Z d d � Z d d � Z d d d! � Z d" d# � Z d$ d% � Z e d& d' � � Z d( d) � Z e j d* d+ � Z d, d- � Z d. d/ � Z d0 d1 � Z d2 d3 � Z d4 d5 � Z! d6 d7 d8 � Z" d@ d9 d: � Z# d; S(A u GzipFileu The GzipFile class simulates most of the methods of a file object with the exception of the readinto() and truncate() methods. This class only supports opening files in binary mode. If you need to open a compressed file in text mode, use the gzip.open() function. i i i c C s� | r6 d | k s d | k r6 t d j | � � � n | rU d | k rU | d 7} n | d k r� t j | | ps d � } | _ n | d k r� t | d d � } t | t t f � s� d } q� n | d k r� t | d d � } n | j d � r@t | _ d | _ d | _ d | _ d | _ | | _ d | _ t | � } ne | j d � r�t | _ | j | � t j | t j t j t j d � | _ n t d j | � � � | | _ d | _ | | _ | j t k r�| j � n d S( uz Constructor for the GzipFile class. At least one of fileobj and filename must be given a non-trivial value. The new class instance is based on fileobj, which can be a regular file, an io.BytesIO object, or any other object which simulates a file. It defaults to None, in which case filename is opened to provide a file object. When fileobj is not None, the filename argument is only used to be included in the gzip file header, which may includes the original filename of the uncompressed file. It defaults to the filename of fileobj, if discernible; otherwise, it defaults to the empty string, and in this case the original filename is not included in the header. The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', or 'wb', depending on whether the file will be read or written. The default is the mode of fileobj if discernible; otherwise, the default is 'rb'. A mode of 'r' is equivalent to one of 'rb', and similarly for 'w' and 'wb', and 'a' and 'ab'. The compresslevel argument is an integer from 0 to 9 controlling the level of compression; 1 is fastest and produces the least compression, and 9 is slowest and produces the most compression. 0 is no compression at all. The default is 9. The mtime argument is an optional numeric timestamp to be written to the stream when compressing. All gzip compressed streams are required to contain a timestamp. If omitted or None, the current time is used. This module ignores the timestamp when decompressing; however, some programs, such as gunzip, make use of it. The format of the timestamp is the same as that of the return value of time.time() and of the st_mtime member of the object returned by os.stat(). u tu Uu Invalid mode: {!r}u bu rbu nameu u modeu rs i id u wu aNT( u wu a(! u ValueErroru formatu Noneu builtinsu openu myfileobju getattru isinstanceu stru bytesu startswithu READu modeu Trueu _new_memberu extrabufu extrasizeu extrastartu nameu min_readsizeu _PaddedFileu WRITEu _init_writeu zlibu compressobju DEFLATEDu MAX_WBITSu DEF_MEM_LEVELu compressu fileobju offsetu mtimeu _write_gzip_header( u selfu filenameu modeu compresslevelu fileobju mtime( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu __init__� sF ( " u GzipFile.__init__c C sY d d l } | j d t d � | j t k rR | j d d � d k rR | j d S| j S( Ni u use the name attributei i u .gzi����( u warningsu warnu DeprecationWarningu modeu WRITEu name( u selfu warnings( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu filename� s ( u GzipFile.filenamec C sZ | j } t | t � r$ | j } n t | � } d | d d � d t t | � � d S( Nu <gzip i u u >i����( u fileobju isinstanceu _PaddedFileu fileu repru hexu id( u selfu fileobju s( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu __repr__� s u GzipFile.__repr__c C s | j r t d � � n d S( uL Raises a ValueError if the underlying file object has been closed. u I/O operation on closed file.N( u closedu ValueError( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _check_closed� s u GzipFile._check_closedc C s> | | _ t j d � d @| _ d | _ g | _ d | _ d S( Ns l �� i ( u nameu zlibu crc32u crcu sizeu writebufu bufsize( u selfu filename( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _init_write� s u GzipFile._init_writec C sF | j j d � | j j d � y\ t j j | j � } t | t � sY | j d � } n | j d � r{ | d d � } n Wn t k r� d } Yn Xd } | r� t } n | j j t | � j d � � | j } | d k r� t j � } n t | j t | � � | j j d � | j j d � | rB| j j | d � n d S( Ns �s u latin-1s .gzi s i s s �s i����( u fileobju writeu osu pathu basenameu nameu isinstanceu bytesu encodeu endswithu UnicodeEncodeErroru FNAMEu chru mtimeu Noneu timeu write32uu int( u selfu fnameu flagsu mtime( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _write_gzip_header� s, u GzipFile._write_gzip_headerc C s# t j d � d @| _ d | _ d S( Ns l �� i ( u zlibu crc32u crcu size( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _init_read s u GzipFile._init_readc C s� | j j d � } | d k r- t d � � n | d k rH t d � � n t | j j d � � } | d k r{ t d � � n t | j j d � � } t | j � | _ | j j d � | t @r t | j j d � � } | d t | j j d � � } | j j | � n | t @rFx/ | j j d � } | s<| d k rPqqn | t @r�x/ | j j d � } | sx| d k rSPqSqSn | t @r�| j j d � n | j j � } | r�| j j | � } | j | � n d S( Ni s u Reached EOFs �u Not a gzipped filei i u Unknown compression methodi s ( u fileobju readu EOFErroru IOErroru ordu read32u mtimeu FEXTRAu FNAMEu FCOMMENTu FHCRCu unusedu decompressu _add_read_data( u selfu magicu methodu flagu xlenu su unusedu uncompress( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _read_gzip_header s> u GzipFile._read_gzip_headerc C s� | j � | j t k r: d d l } t | j d � � n | j d k rX t d � � n t | t � rv | j � } n t | � d k r� | j t | � | _ t j | | j � d @| _ | j j | j j | � � | j t | � 7_ n t | � S( Ni u$ write() on read-only GzipFile objectu! write() on closed GzipFile objectl �� ( u _check_closedu modeu WRITEu errnou IOErroru EBADFu fileobju Noneu ValueErroru isinstanceu memoryviewu tobytesu lenu sizeu zlibu crc32u crcu writeu compressu offset( u selfu datau errno( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu writeF s u GzipFile.writei c C ss | j � | j t k r: d d l } t | j d � � n | j d k r\ | j d k r\ d Sd } | d k r� y- x& | j | � t | j | d � } qt Wq)t k r� | j } Yq)Xnm y= x6 | | j k r� | j | � t | j | d � } q� WWn- t k r(| | j k r$| j } n Yn X| j | j } | j | | | � } | j | | _ | j | 7_ | S( Ni u$ read() on write-only GzipFile objects i i ( u _check_closedu modeu READu errnou IOErroru EBADFu extrasizeu fileobju Noneu _readu minu max_read_chunku EOFErroru offsetu extrastartu extrabuf( u selfu sizeu errnou readsizeu offsetu chunk( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu read[ s4 u GzipFile.readc C s | j � | j t k r: d d l } t | j d � � n | j d k r\ | j d k r\ d Sy$ x | j d k r~ | j � qb WWn t k r� Yn X| d k s� | | j k r� | j } n | j | j } | j | | | � } | j | 8_ | j | 7_ | S( Ni u% read1() on write-only GzipFile objects ( u _check_closedu modeu READu errnou IOErroru EBADFu extrasizeu fileobju Noneu _readu EOFErroru offsetu extrastartu extrabuf( u selfu sizeu errnou offsetu chunk( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu read1| s$ u GzipFile.read1c C s� | j t k r0 d d l } t | j d � � n | d k rE d } n | j d k r� | j d k rg d Sy0 x) | j d k r� | j t | d � � qm WWq� t k r� Yq� Xn | j | j } | j } | t | j � | k s� t � | j | | | � S( Ni u$ peek() on write-only GzipFile objectid s i ( u modeu READu errnou IOErroru EBADFu extrasizeu fileobju Noneu _readu maxu EOFErroru offsetu extrastartu lenu extrabufu AssertionError( u selfu nu errnou offsetu remaining( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu peek� s" u GzipFile.peekc C s/ t | � | j | _ | j t | � 8_ d S( N( u lenu extrasizeu offset( u selfu buf( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _unread� s u GzipFile._unreadc C s- | j d k r t d � � n | j r] | j � | j � t j t j � | _ d | _ n | j j | � } | d k r� | j j � } | j j | j j d � | j � | j | � t d � � n | j j | � } | j | � | j j d k r)| j j | j j d � | j � d | _ n d S( Nu Reached EOFs FT( u fileobju Noneu EOFErroru _new_memberu _init_readu _read_gzip_headeru zlibu decompressobju MAX_WBITSu decompressu Falseu readu flushu prependu unused_datau Trueu _read_eofu _add_read_data( u selfu sizeu bufu uncompress( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _read� s( u GzipFile._readc C s� t j | | j � d @| _ | j | j } | j | d � | | _ | j t | � | _ | j | _ | j t | � | _ d S( Nl �� ( u zlibu crc32u crcu offsetu extrastartu extrabufu extrasizeu lenu size( u selfu datau offset( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _add_read_data� s u GzipFile._add_read_datac C s� t | j � } t | j � } | | j k rU t d t | � t | j � f � � n" | | j d @k rw t d � � n d } x" | d k r� | j j d � } q� W| r� | j j | d � n d S( Nu CRC check failed %s != %sl �� u! Incorrect length of data produceds i T( u read32u fileobju crcu IOErroru hexu sizeu readu prependu True( u selfu crc32u isizeu c( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _read_eof� s u GzipFile._read_eofc C s | j d k S( N( u fileobju None( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu closed� s u GzipFile.closedc C s� | j d k r d S| j t k rq | j j | j j � � t | j | j � t | j | j d @� d | _ n | j t k r� d | _ n | j r� | j j � d | _ n d S( Nl �� ( u fileobju Noneu modeu WRITEu writeu compressu flushu write32uu crcu sizeu READu myfileobju close( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu close� s u GzipFile.closec C sI | j � | j t k rE | j j | j j | � � | j j � n d S( N( u _check_closedu modeu WRITEu fileobju writeu compressu flush( u selfu zlib_mode( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu flush s u GzipFile.flushc C s | j j � S( u� Invoke the underlying file object's fileno() method. This will raise AttributeError if the underlying file object doesn't support fileno(). ( u fileobju fileno( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu fileno s u GzipFile.filenoc C s_ | j t k r t d � � n | j j d � d | _ d | _ d | _ d | _ d | _ d S( u[ Return the uncompressed stream file position indicator to the beginning of the fileu Can't rewind in write modei s NT( u modeu READu IOErroru fileobju seeku Trueu _new_memberu extrabufu extrasizeu extrastartu offset( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu rewind s u GzipFile.rewindc C s | j t k S( N( u modeu READ( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu readable' s u GzipFile.readablec C s | j t k S( N( u modeu WRITE( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu writable* s u GzipFile.writablec C s d S( NT( u True( u self( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu seekable- s u GzipFile.seekablei c C s4 | r1 | d k r" | j | } q1 t d � � n | j t k r� | | j k r^ t d � � n | | j } t d � } x% t | d � D] } | j | � q� W| j t | d � � nt | j t k r-| | j k r� | j � n | | j } x% t | d � D] } | j d � qW| j | d � n | j S( Ni u Seek from end not supportedu Negative seek in write modei ( u offsetu ValueErroru modeu WRITEu IOErroru bytesu rangeu writeu READu rewindu read( u selfu offsetu whenceu countu chunku i( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu seek0 s( u GzipFile.seekc C s� | d k r� | j | j } | j j d | � d } | d k rx | j | | 8_ | j | | 7_ | j | | � St j } | j } n | } g } x� | d k r�| j | � } | j d � } | | k s� | d k r� t | � | k r� | d } n | d k s| d k rO| j | d | d � � | j | | d d � � Pn | j | � | t | � } t | | d � } q� W| | j k r�t | | j d d � | _ n d j | � S( Ni s i s i i i����( u offsetu extrastartu extrabufu findu extrasizeu sysu maxsizeu min_readsizeu readu lenu appendu _unreadu minu join( u selfu sizeu offsetu iu readsizeu bufsu c( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu readlineI s4 * u GzipFile.readlineNi ( i � i����i����i����($ u __name__u __module__u __qualname__u __doc__u Noneu myfileobju max_read_chunku __init__u propertyu filenameu __repr__u _check_closedu _init_writeu _write_gzip_headeru _init_readu _read_gzip_headeru writeu readu read1u peeku _unreadu _readu _add_read_datau _read_eofu closedu closeu zlibu Z_SYNC_FLUSHu flushu filenou rewindu readableu writableu seekableu seeku readline( u __locals__( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu GzipFile s< U * ! * c C sG t j � } t d | d d d | � � } | j | � Wd QX| j � S( u� Compress data in one shot and return the compressed string. Optional argument is the compression level, in range of 0-9. u fileobju modeu wbu compresslevelN( u iou BytesIOu GzipFileu writeu getvalue( u datau compresslevelu bufu f( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu compressq s c C s/ t d t j | � � � } | j � SWd QXd S( uY Decompress a gzip compressed string in one shot. Return the decompressed string. u fileobjN( u GzipFileu iou BytesIOu read( u datau f( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu decompressz s c C s� t j d d � } | o& | d d k } | rB | d d � } n | sT d g } n xx| D]p} | r | d k r� t d d d d d t j j � } t j j } qa| d d � d k r� t d t | � � q[ n t | d � } t j | d d � d � } na | d k r<t j j } t d d d d d t j j � } n% t j | d � } t | d d � } x) | j d � } | s}Pn | j | � qd| t j j k r�| j � n | t j j k r[ | j � q[ q[ Wd S( Ni i u -du -u filenameu u modeu rbu fileobji u .gzu filename doesn't end in .gz:u wbi i����i����( u sysu argvu GzipFileu stdinu bufferu stdoutu printu repru openu builtinsu readu writeu close( u argsu decompressu argu fu gu chunk( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu _test� s< ! $ u _testu __main__( u __doc__u structu sysu timeu osu zlibu builtinsu iou __all__u FTEXTu FHCRCu FEXTRAu FNAMEu FCOMMENTu READu WRITEu Noneu openu write32uu read32u _PaddedFileu BufferedIOBaseu GzipFileu compressu decompressu _testu __name__( ( ( u) /opt/alt/python33/lib64/python3.3/gzip.pyu <module> s& 0 $+ 8� � &
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