관리-도구
편집 파일: gzip.cpython-35.opt-2.pyc
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) r �format�builtinsr � myfileobj�getattrr r r � startswith�READr � _GzipReaderr �BufferedReaderr+ r; �WRITE� _init_write�zlib� compressobj�DEFLATED� MAX_WBITS� DEF_MEM_LEVELr � _write_mtime�fileobj�_write_gzip_header)r0 r r r rP �mtime�rawr" r" r# r3 { s< # zGzipFile.__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)Nr zuse the name attributer � z.gz���)�warnings�warn�DeprecationWarningr rH r; )r0 rV r" r" r# r � s ( zGzipFile.filenamec C s | j j j S)N)r+ rS � _last_mtime)r0 r" r" r# rR � s zGzipFile.mtimec C s9 t | j � } d | d d � d t t | � � d S)Nz<gzip r � �>���)�reprrP �hex�id)r0 �sr" r" r# �__repr__� s zGzipFile.__repr__c C sC | | _ t j d � | _ d | _ g | _ d | _ d | _ d S)Nr* r )r; rJ �crc32�crcr4 Zwritebuf�bufsize�offset)r0 r r" r" r# rI � s zGzipFile._init_writec C s7 | j j d � | j j d � yV t j j | j � } t | t � sV | j d � } | j d � ru | d d � } Wn t k r� d } Yn Xd } | r� t } | j j t | � j d � � | j } | d k r� t j � } t | j t | � � | j j d � | j j d � | r3| j j | d � d S) Ns �s zlatin-1s .gzrT r* r s s �s rU )rP r �os�path�basenamer; r r �encode�endswith�UnicodeEncodeError�FNAME�chrrO �timer( �int)r0 Zfname�flagsrR r" r" r# rQ � s, zGzipFile._write_gzip_headerc C s� | j � | j t k r7 d d l } t | j d � � | j d k rR t d � � t | t � rp t | � } n t | � } | j } | d k r� | j j | j j | � � | j | 7_ t j | | j � | _ | j | 7_ | S)Nr z$write() on read-only GzipFile objectz!write() on closed GzipFile object)�_check_not_closedr rH �errno�OSError�EBADFrP r r r r, � memoryview�nbytesr r r4 rJ rb rc re )r0 �datarr �lengthr" r" r# r � s zGzipFile.writer c C sG | j � | j t k r7 d d l } t | j d � � | j j | � S)Nr z$read() on write-only GzipFile object)rq r rE rr rs rt r+ r )r0 r4 rr r" r" r# r s z GzipFile.readc C s\ | j � | j t k r7 d d l } t | j d � � | d k rL t j } | j j | � S)Nr z%read1() on write-only GzipFile object) rq r rE rr rs rt r �DEFAULT_BUFFER_SIZEr+ �read1)r0 r4 rr r" r" r# rz s zGzipFile.read1c C sG | j � | j t k r7 d d l } t | j d � � | j j | � S)Nr z$peek() on write-only GzipFile object)rq r rE rr rs rt r+ �peek)r0 �nrr r" r" r# r{ ! s z GzipFile.peekc C s | j d k S)N)rP )r0 r" r" r# �closed( s zGzipFile.closedc C s� | j } | d k r d Sd | _ zl | j t k rq | j | j j � � t | | j � t | | j d @� n | j t k r� | j j � Wd | j } | r� d | _ | j � Xd S)Nl �� ) rP r rH r r �flushr( rc r4 rE r+ �closerB )r0 rP rB r" r" r# r , s zGzipFile.closec C sF | j � | j t k rB | j j | j j | � � | j j � d S)N)rq r rH rP r r r~ )r0 Z zlib_moder" r" r# r~ ? s zGzipFile.flushc C s | j j � S)N)rP �fileno)r0 r" r" r# r� F s zGzipFile.filenoc C s/ | j t k r t d � � | j j d � d S)NzCan't rewind in write moder )r rE rs r+ r5 )r0 r" r" r# �rewindN s zGzipFile.rewindc C s | j t k S)N)r rE )r0 r" r" r# �readableU s zGzipFile.readablec C s | j t k S)N)r rH )r0 r" r" r# �writableX s zGzipFile.writablec C s d S)NTr" )r0 r" r" r# r6 [ s zGzipFile.seekablec C s� | j t k r� | t j k rI | t j k r= | j | } n t d � � | | j k rd t d � � | | j } t d � } x% t | d � D] } | j | � q� W| j t | d � � n, | j t k r� | j � | j j | | � S| j S)NzSeek from end not supportedzNegative seek in write modei )r rH r �SEEK_SET�SEEK_CURre r rs r �ranger rE rq r+ r5 )r0 re �whence�count�chunk�ir" r" r# r5 ^ s z GzipFile.seekc C s | j � | j j | � S)N)rq r+ �readline)r0 r4 r" r" r# r� r s zGzipFile.readliner\ r\ r\ ) r7 r8 r9 rB r3 �propertyr rR ra rI rQ r r rz r{ r} r rJ � Z_SYNC_FLUSHr~ r� r� r� r� r6 r r� r5 r� r" r" r" r# r n s, F c s e Z d Z � f d d � Z d d � Z d d � Z d d � Z d d d � Z d d � Z d d � Z � f d d � Z � S)rF c s< t � j t | � t j d t j �d | _ d | _ d S)NZwbitsT)�superr3 r) rJ � decompressobjrM � _new_memberrY )r0 �fp)� __class__r" r# r3 x s z_GzipReader.__init__c C s t j d � | _ d | _ d S)Nr* r )rJ rb �_crc� _stream_size)r0 r" r" r# � _init_read s z_GzipReader._init_readc C sg | j j | � } xN t | � | k rb | j j | t | � � } | sU t d � � | | 7} q W| S)NzACompressed file ended before the end-of-stream marker was reached)�_fpr r, �EOFError)r0 r| rw r r" r" r# � _read_exact� s z_GzipReader._read_exactc C s; | j j d � } | d k r" d S| d k r> t d | � � t j d | j d � � \ } } | _ | d k r} t d � � | t @r� t j d | j d � � \ } | j | � | t @r� x* | j j d � } | s� | d k r� Pq� W| t @r x* | j j d � } | s| d k r� Pq� W| t @r7| j d � d S) Nr r* Fs �zNot a gzipped file (%r)z<BBIxxr zUnknown compression methodz<Hr s T) r� r rs r$ �unpackr� rY �FEXTRArl �FCOMMENT�FHCRC)r0 �magic�method�flagZ extra_lenr` r" r" r# �_read_gzip_header� s0 ' z _GzipReader._read_gzip_headerr c C s[ | d k r | j � S| s d Sx| j j rW | j � d | _ | j | j � | _ | j r� | j � | j � s� | j | _ d Sd | _ | j j t j � } | j j | | � } | j j d k r� | j j | j j � n( | j j d k r | j j | j j � | d k rP| d k r# t d � � q# W| j | � | j t | � 7_ | S)Nr r* TFzACompressed file ended before the end-of-stream marker was reached)�readall� _decompressor�eof� _read_eofr� �_decomp_factory� _decomp_argsr� r� �_pos�_sizer� r r ry r �unconsumed_tailr2 � unused_datar� �_add_read_datar, )r0 r4 �bufZ uncompressr" r" r# r � s: z_GzipReader.readc C s2 t j | | j � | _ | j t | � | _ d S)N)rJ rb r� r� r, )r0 rw r" r" r# r� � s z_GzipReader._add_read_datac C s� t j d | j d � � \ } } | | j k rX t d t | � t | j � f � � n | | j d @k rw t d � � d } x" | d k r� | j j d � } q� W| r� | j j | � d S)Nz<IIr zCRC check failed %s != %sl �� z!Incorrect length of data produceds r ) r$ r� r� r� rs r^ r� r� r r2 )r0 rb Zisize�cr" r" r# r� � s ! z_GzipReader._read_eofc s t � j � d | _ d S)NT)r� �_rewindr� )r0 )r� r" r# r� s z_GzipReader._rewindr\ ) r7 r8 r9 r3 r� r� r� r r� r� r� r" r" )r� r# rF w s !3 rF c C sH t j � } t d | d d d | � � } | j | � Wd QRX| j � S)NrP r �wbr )r �BytesIOr r �getvalue)rw r r� r1 r" r" r# r s c C s0 t d t j | � � � } | j � SWd QRXd S)NrP )r r r� r )rw r1 r" r" r# r s c C s� t j d d � } | o& | d d k } | r? | d d � } | sN d g } xm| D]e} | r� | d k r� t d d d d d t j j � } t j j } qX| d d � d k r� t d t | � � qU t | d � } t j | d d � d � } na | d k r3t j j } t d d d d d t j j � } n% t j | d � } t | d d � } x' | j d � } | sqP| j | � q[W| t j j k r�| j � | t j j k rU | j � qU Wd S)Nr r z-d�-r r r r rP rT z.gzz filename doesn't end in .gz:r� i rU rU ) �sys�argvr �stdin�buffer�stdout�printr] r rA r r r )�argsr �argr1 �gr� r" r" r# �_test s< ! $ r� �__main__)r$ r� rn rf rJ rA r � _compression�__all__ZFTEXTr� r� rl r� rE rH r r( r) � BaseStreamr �DecompressReaderrF r r r� r7 r" r" r" r# �<module> s& 0 $+ )� � &