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r' t | d k r d n | � � d S)Nz I/O operation on closed file.)rh r )rG rb rB rB rC r] � s zIOBase._checkClosedc C s | j � | S)N)r] )rG rB rB rC � __enter__� s zIOBase.__enter__c G s | j � d S)N)r2 )rG rP rB rB rC �__exit__� s zIOBase.__exit__c C s | j d � d S)Nr) )rW )rG rB rB rC r) � s z IOBase.filenoc C s | j � d S)NF)r] )rG rB rB rC r% � s z IOBase.isattyr c s� t � d � r' � � f d d � } n d d � } � d k rH d � n t � t � sc t d � � t � } xU � d k s� t | � � k r� � j | � � } | s� P| | 7} | j d � ro Pqo Wt | � S) N�peekc sW � j d � } | s d S| j d � d p5 t | � } � d k rS t | � � } | S)Nr s r )rk �findr �min)Z readahead�n)rG �sizerB rC � nreadahead� s z#IOBase.readline.<locals>.nreadaheadc S s d S)Nr rB rB rB rB rC rp � s r zsize must be an integerr s r ) �hasattrr r r � bytearrayr �read�endswithr )rG ro rp �resr rB )rG ro rC �readline� s ! zIOBase.readlinec C s | j � | S)N)r] )rG rB rB rC �__iter__ s zIOBase.__iter__c C s | j � } | s t � | S)N)rv � StopIteration)rG �linerB rB rC �__next__ s zIOBase.__next__c C sm | d k s | d k r" t | � Sd } g } x8 | D]0 } | j | � | t | � 7} | | k r5 Pq5 W| S)Nr )�list�appendr )rG Zhintrn �linesry rB rB rC � readlines s zIOBase.readlinesc C s, | j � x | D] } | j | � q Wd S)N)r] �write)rG r} ry rB rB rC � writelines" s zIOBase.writelinesr ) rK rL rM rW rX r[ r\ r^ r_ r2 r` ra rc rd re rf rg �propertyrh r] ri rj r) r% rv rw rz r~ r� rB rB rB rC rT s2 $ % rT � metaclassc @ sC e Z d Z d d d � Z d d � Z d d � Z d d � Z d S) � RawIOBaser c C sp | d k r d } | d k r( | j � St | j � � } | j | � } | d k rY d S| | d � =t | � S)Nr r r )�readallrr � __index__�readintor )rG ro r rn rB rB rC rs 8 s zRawIOBase.readc C sH t � } x$ | j t � } | s" P| | 7} q W| r@ t | � S| Sd S)N)rr rs r& r )rG ru �datarB rB rC r� I s zRawIOBase.readallc C s | j d � d S)Nr� )rW )rG r rB rB rC r� W s zRawIOBase.readintoc C s | j d � d S)Nr )rW )rG r rB rB rC r _ s zRawIOBase.writeNr )rK rL rM rs r� r� r rB rB rB rC r� * s r� )r$ c @ sj e Z d Z d d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S)�BufferedIOBaseNc C s | j d � d S)Nrs )rW )rG ro rB rB rC rs } s zBufferedIOBase.readc C s | j d � d S)N�read1)rW )rG ro rB rB rC r� � s zBufferedIOBase.read1c C s | j | d d �S)Nr� F)� _readinto)rG r rB rB rC r� � s zBufferedIOBase.readintoc C s | j | d d �S)Nr� T)r� )rG r rB rB rC � readinto1� s zBufferedIOBase.readinto1c C s} t | t � s t | � } | j d � } | rH | j t | � � } n | j t | � � } t | � } | | d | � <| S)N�B)r � memoryview�castr� r rs )rG r r� r� rn rB rB rC r� � s zBufferedIOBase._readintoc C s | j d � d S)Nr )rW )rG r rB rB rC r � s zBufferedIOBase.writec C s | j d � d S)N�detach)rW )rG rB rB rC r� � s zBufferedIOBase.detach) rK rL rM rs r� r� r� r� r r� rB rB rB rC r� l s r� c @ s� e Z d Z d d � Z d d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z e d d � � Z e d d � � Z e d d � � Z d d � Z d d � Z d d � Z d! d" � Z d S)#�_BufferedIOMixinc C s | | _ d S)N)�_raw)rG r= rB rB rC �__init__� s z_BufferedIOMixin.__init__r c C s1 | j j | | � } | d k r- t d � � | S)Nr z#seek() returned an invalid position)r= rX r+ )rG rY rZ Z new_positionrB rB rC rX � s z_BufferedIOMixin.seekc C s+ | j j � } | d k r' t d � � | S)Nr z#tell() returned an invalid position)r= r[ r+ )rG rY rB rB rC r[ � s z_BufferedIOMixin.tellNc C s2 | j � | d k r" | j � } | j j | � S)N)r^ r[ r= r\ )rG rY rB rB rC r\ � s z_BufferedIOMixin.truncatec C s& | j r t d � � | j j � d S)Nzflush of closed file)rh r r= r^ )rG rB rB rC r^ � s z_BufferedIOMixin.flushc C s< | j d k r8 | j r8 z | j � Wd | j j � Xd S)N)r= rh r^ r2 )rG rB rB rC r2 s z_BufferedIOMixin.closec C s; | j d k r t d � � | j � | j } d | _ | S)Nzraw stream already detached)r= r r^ r� )rG r= rB rB rC r� s z_BufferedIOMixin.detachc C s | j j � S)N)r= ra )rG rB rB rC ra s z_BufferedIOMixin.seekablec C s | j S)N)r� )rG rB rB rC r= s z_BufferedIOMixin.rawc C s | j j S)N)r= rh )rG rB rB rC rh s z_BufferedIOMixin.closedc C s | j j S)N)r= rV )rG rB rB rC rV s z_BufferedIOMixin.namec C s | j j S)N)r= r1 )rG rB rB rC r1 $ s z_BufferedIOMixin.modec C s t d j | j j � � � d S)Nz can not serialize a '{0}' object)r �formatrU rK )rG rB rB rC � __getstate__( s z _BufferedIOMixin.__getstate__c C sa | j j } | j j } y | j } Wn" t k rI d j | | � SYn Xd j | | | � Sd S)Nz<{}.{}>z<{}.{} name={!r}>)rU rL rM rV � Exceptionr� )rG �modnameZclsnamerV rB rB rC �__repr__, s z_BufferedIOMixin.__repr__c C s | j j � S)N)r= r) )rG rB rB rC r) 8 s z_BufferedIOMixin.filenoc C s | j j � S)N)r= r% )rG rB rB rC r% ; s z_BufferedIOMixin.isatty)rK rL rM r� rX r[ r\ r^ r2 r� ra r� r= rh rV r1 r� r� r) r% rB rB rB rC r� � s r� c s� e Z d Z d d d � Z d d � Z d d � Z d d � Z � f d d � Z d d d � Z d d � Z d d � Z d d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z � S) �BytesIONc C s5 t � } | d k r | | 7} | | _ d | _ d S)Nr )rr �_buffer�_pos)rG Z initial_bytes�bufrB rB rC r� C s zBytesIO.__init__c C s" | j r t d � � | j j � S)Nz__getstate__ on closed file)rh r �__dict__�copy)rG rB rB rC r� J s zBytesIO.__getstate__c C s" | j r t d � � t | j � S)Nzgetvalue on closed file)rh r r r� )rG rB rB rC �getvalueO s zBytesIO.getvaluec C s" | j r t d � � t | j � S)Nzgetbuffer on closed file)rh r r� r� )rG rB rB rC � getbufferV s zBytesIO.getbufferc s | j j � t � j � d S)N)r� �clear�superr2 )rG )rU rB rC r2 ] s z BytesIO.closec C s� | j r t d � � | d k r' d } | d k rB t | j � } t | j � | j k r^ d St t | j � | j | � } | j | j | � } | | _ t | � S)Nzread from closed filer r � r )rh r r r� r� rm r )rG ro Znewposr rB rB rC rs a s z BytesIO.readc C s | j | � S)N)rs )rG ro rB rB rC r� o s z BytesIO.read1c C s� | j r t d � � t | t � r0 t d � � t | � � } | j } Wd QRX| d k r_ d S| j } | t | j � k r� d | t | j � } | j | 7_ | | j | | | � <| j | 7_ | S)Nzwrite to closed filez can't write str to binary streamr s ) rh r r r r r� �nbytesr� r r� )rG r �viewrn rY ZpaddingrB rB rC r t s z BytesIO.writer c C s� | j r t d � � y | j Wn4 t k rV } z t d � | � WYd d } ~ Xn X| d k r� | d k r� t d | f � � | | _ nb | d k r� t d | j | � | _ n: | d k r� t d t | j � | � | _ n t d � � | j S)Nzseek on closed filezan integer is requiredr znegative seek position %rr r zunsupported whence value) rh r r� r, r r� �maxr r� )rG rY rZ �errrB rB rC rX � s " " z BytesIO.seekc C s | j r t d � � | j S)Nztell on closed file)rh r r� )rG rB rB rC r[ � s z BytesIO.tellc C s� | j r t d � � | d k r- | j } na y | j Wn4 t k rn } z t d � | � WYd d } ~ Xn X| d k r� t d | f � � | j | d � =| S)Nztruncate on closed filezan integer is requiredr z negative truncate position %r)rh r r� r� r, r r� )rG rY r� rB rB rC r\ � s " zBytesIO.truncatec C s | j r t d � � d S)Nz I/O operation on closed file.T)rh r )rG rB rB rC rd � s zBytesIO.readablec C s | j r t d � � d S)Nz I/O operation on closed file.T)rh r )rG rB rB rC rf � s zBytesIO.writablec C s | j r t d � � d S)Nz I/O operation on closed file.T)rh r )rG rB rB rC ra � s zBytesIO.seekable)rK rL rM r� r� r� r� r2 rs r� r rX r[ r\ rd rf ra rB rB )rU rC r� ? s r� c @ s� e Z d Z e d d � Z d d � Z d d � Z d d d � Z d d d � Z d d d � Z d d d � Z d d � Z d d � Z d d � Z d d d � Z d S)r/ c C sc | j � s t d � � t j | | � | d k r@ t d � � | | _ | j � t � | _ d S)Nz "raw" argument must be readable.r zinvalid buffer size) rd r+ r� r� r � buffer_size�_reset_read_buf�Lock� _read_lock)rG r= r� rB rB rC r� � s zBufferedReader.__init__c C s | j j � S)N)r= rd )rG rB rB rC rd � s zBufferedReader.readablec C s d | _ d | _ d S)Nr� r )� _read_buf� _read_pos)rG rB rB rC r� � s z BufferedReader._reset_read_bufNc C sF | d k r$ | d k r$ t d � � | j � | j | � SWd QRXd S)Nr z invalid number of bytes to readr )r r� �_read_unlocked)rG ro rB rB rC rs � s zBufferedReader.readc C s d } d } | j } | j } | d k s6 | d k r| j � t | j d � r� | j j � } | d k r� | | d � p� d S| | d � | S| | d � g } d } xC | j j � } | | k r� | } P| t | � 7} | j | � q� Wd j | � p| St | � | } | | k rB| j | 7_ | | | | � S| | d � g } t | j | � } xR | | k r�| j j | � } | | k r�| } P| t | � 7} | j | � qjWt | | � } d j | � } | | d � | _ d | _ | r | d | � S| S)Nr� r r� r )r� Nr ) r� r� r� rq r= r� rs r r| �joinr� r� rm ) rG rn Z nodata_valZ empty_valuesr� rY �chunk�chunksZ current_size�availZwanted�outrB rB rC r� � sN z BufferedReader._read_unlockedr c C s" | j � | j | � SWd QRXd S)N)r� �_peek_unlocked)rG ro rB rB rC rk s zBufferedReader.peekc C s� t | | j � } t | j � | j } | | k s@ | d k r� | j | } | j j | � } | r� | j | j d � | | _ d | _ | j | j d � S)Nr )rm r� r r� r� r= rs )rG rn ZwantZhaveZto_read�currentrB rB rC r� ( s z BufferedReader._peek_unlockedc C sp | d k r t d � � | d k r( d S| j �8 | j d � | j t | t | j � | j � � SWd QRXd S)Nr z(number of bytes to read must be positiver� r )r r� r� r� rm r r� r� )rG ro rB rB rC r� 3 s zBufferedReader.read1c C se t | t � s t | � } | j d k r. d S| j d � } d } | j �x | t | � k rYt t | j � | j t | � � } | r� | j | j | j | � | | | | � <| j | 7_ | | 7} | t | � k r� Pt | � | | j k r-| j j | | d � � } | s P| | 7} n | o6| sI| j d � sIP| rP | rP PqP WWd QRX| S)Nr r� r ) r r� r� r� r� r rm r� r� r� r= r� r� )rG r� r� �writtenr� rn rB rB rC r� E s4 %+ zBufferedReader._readintoc C s! t j | � t | j � | j S)N)r� r[ r r� r� )rG rB rB rC r[ s s zBufferedReader.tellc C sv | t k r t d � � | j �N | d k rH | t | j � | j 8} t j | | | � } | j � | SWd QRXd S)Nzinvalid whence valuer ) �valid_seek_flagsr r� r r� r� r� rX r� )rG rY rZ rB rB rC rX v s zBufferedReader.seek)rK rL rM r& r� rd r� rs r� rk r� r� r� r[ rX rB rB rB rC r/ � s 4 . r/ c @ sy e Z d Z e d d � Z d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d d � Z d S)r. c C se | j � s t d � � t j | | � | d k r@ t d � � | | _ t � | _ t � | _ d S)Nz "raw" argument must be writable.r zinvalid buffer size) rf r+ r� r� r r� rr � _write_bufr� � _write_lock)rG r= r� rB rB rC r� � s zBufferedWriter.__init__c C s | j j � S)N)r= rf )rG rB rB rC rf � s zBufferedWriter.writablec C sT | j r t d � � t | t � r0 t d � � | j �t | j � | j k r\ | j � t | j � } | j j | � t | j � | } t | j � | j k rEy | j � Wn� t k rD} zn t | j � | j k r2t | j � | j } | | 8} | j d | j � | _ t | j | j | � � WYd d } ~ Xn X| SWd QRXd S)Nzwrite to closed filez can't write str to binary stream)rh r r r r r� r r� r� �_flush_unlocked�extend�BlockingIOError�errno�strerror)rG r Zbeforer� �eZoveragerB rB rC r � s( +zBufferedWriter.writeNc C sJ | j �: | j � | d k r/ | j j � } | j j | � SWd QRXd S)N)r� r� r= r[ r\ )rG rY rB rB rC r\ � s zBufferedWriter.truncatec C s | j � | j � Wd QRXd S)N)r� r� )rG rB rB rC r^ � s zBufferedWriter.flushc C s� | j r t d � � x� | j r� y | j j | j � } Wn t k rZ t d � � Yn X| d k r| t t j d d � � | t | j � k s� | d k r� t d � � | j d | � =q Wd S)Nzflush of closed filezHself.raw should implement RawIOBase: it should not raise BlockingIOErrorz)write could not complete without blockingr z*write() returned incorrect number of bytes) rh r r� r= r r� � RuntimeErrorr� �EAGAINr r+ )rG rn rB rB rC r� � s ! z BufferedWriter._flush_unlockedc C s t j | � t | j � S)N)r� r[ r r� )rG rB rB rC r[ � s zBufferedWriter.tellr c C sJ | t k r t d � � | j �" | j � t j | | | � SWd QRXd S)Nzinvalid whence value)r� r r� r� r� rX )rG rY rZ rB rB rC rX � s zBufferedWriter.seek) rK rL rM r& r� rf r r\ r^ r� r[ rX rB rB rB rC r. � s r. c @ s� e Z d Z e d d � Z d d d � Z d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z d S) �BufferedRWPairc C sX | j � s t d � � | j � s0 t d � � t | | � | _ t | | � | _ d S)Nz#"reader" argument must be readable.z#"writer" argument must be writable.)rd r+ rf r/ �readerr. �writer)rG r� r� r� rB rB rC r� � s zBufferedRWPair.__init__Nc C s" | d k r d } | j j | � S)Nr r )r� rs )rG ro rB rB rC rs � s zBufferedRWPair.readc C s | j j | � S)N)r� r� )rG r rB rB rC r� � s zBufferedRWPair.readintoc C s | j j | � S)N)r� r )rG r rB rB rC r s zBufferedRWPair.writer c C s | j j | � S)N)r� rk )rG ro rB rB rC rk s zBufferedRWPair.peekc C s | j j | � S)N)r� r� )rG ro rB rB rC r� s zBufferedRWPair.read1c C s | j j | � S)N)r� r� )rG r rB rB rC r� s zBufferedRWPair.readinto1c C s | j j � S)N)r� rd )rG rB rB rC rd s zBufferedRWPair.readablec C s | j j � S)N)r� rf )rG rB rB rC rf s zBufferedRWPair.writablec C s | j j � S)N)r� r^ )rG rB rB rC r^ s zBufferedRWPair.flushc C s& z | j j � Wd | j j � Xd S)N)r� r2 r� )rG rB rB rC r2 s zBufferedRWPair.closec C s | j j � p | j j � S)N)r� r% r� )rG rB rB rC r% s zBufferedRWPair.isattyc C s | j j S)N)r� rh )rG rB rB rC rh s zBufferedRWPair.closed)rK rL rM r& r� rs r� r rk r� r� rd rf r^ r2 r% r� rh rB rB rB rC r� � s r� c @ s� e Z d Z e d d � Z d d d � Z d d � Z d d d � Z d d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d S)r- c C s4 | j � t j | | | � t j | | | � d S)N)rc r/ r� r. )rG r= r� rB rB rC r� , s zBufferedRandom.__init__r c C s� | t k r t d � � | j � | j r_ | j �( | j j | j t | j � d � Wd QRX| j j | | � } | j � | j � Wd QRX| d k r� t d � � | S)Nzinvalid whence valuer r z seek() returned invalid position) r� r r^ r� r� r= rX r� r r� r+ )rG rY rZ rB rB rC rX 1 s * zBufferedRandom.seekc C s' | j r t j | � St j | � Sd S)N)r� r. r[ r/ )rG rB rB rC r[ B s zBufferedRandom.tellNc C s( | d k r | j � } t j | | � S)N)r[ r. r\ )rG rY rB rB rC r\ H s zBufferedRandom.truncatec C s, | d k r d } | j � t j | | � S)Nr r )r^ r/ rs )rG ro rB rB rC rs N s zBufferedRandom.readc C s | j � t j | | � S)N)r^ r/ r� )rG r rB rB rC r� T s zBufferedRandom.readintoc C s | j � t j | | � S)N)r^ r/ rk )rG ro rB rB rC rk X s zBufferedRandom.peekc C s | j � t j | | � S)N)r^ r/ r� )rG ro rB rB rC r� \ s zBufferedRandom.read1c C s | j � t j | | � S)N)r^ r/ r� )rG r rB rB rC r� ` s zBufferedRandom.readinto1c C sW | j rG | j �2 | j j | j t | j � d � | j � Wd QRXt j | | � S)Nr ) r� r� r= rX r� r r� r. r )rG r rB rB rC r d s #zBufferedRandom.write)rK rL rM r& r� rX r[ r\ rs r� rk r� r� r rB rB rB rC r- # s r- c s] e Z d Z d0 Z d Z d Z d Z d Z d Z d Z d d d 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 � Z e d d � Z d d � Z d d d � Z � f d d! � Z d" d# � Z d$ d% � Z d& d' � Z d( d) � Z d* d+ � Z e d, d- � � Z e d. d/ � � Z � S)1r$ r FNTr c C s | j d k r9 z | j r+ t j | j � Wd d | _ Xt | t � rT t d � � t | t � r� | } | d k r� t d � � n d } t | t � s� t d | f � � t | � t d � k s� t d | f � � t d d � | D� � d k s | j d � d k rt d � � d | k rHd | _ d | _ t j t j B} nt d | k rfd | _ d } nV d | k r�d | _ t j t j B} n. d | k r�d | _ d | _ t j t j B} d | k r�d | _ d | _ | j r�| j r�| t j O} n& | j r| t j O} n | t j O} | t t d d � O} t t d d � pYt t d d � } | | O} d } yp| d k r| s�t d � � | d k r�t j | | d � } nB | | | � } t | t � s�t d � � | d k r�t d � � | } | st j | d � | | _ t j | � } y7 t j | j � r]t t! j" t j# t! j" � | � � Wn t$ k rrYn Xt | d d � | _% | j% d k r�t& | _% t' r�t' | t j( � | | _) | j r�t j* | d t+ � Wn$ | d k r�t j | � � Yn X| | _ d S)Nr r z$integer argument expected, got floatznegative file descriptorzinvalid mode: %szxrwab+c s s | ] } | d k Vq d S)ZrwaxNrB )�.0�crB rB rC � <genexpr>� s z"FileIO.__init__.<locals>.<genexpr>r zKMust have exactly one of create/read/write/append mode and at most one plusr Tr r r �O_BINARYZ O_NOINHERIT� O_CLOEXECz'Cannot use closefd=False with file namei� z expected integer from openerzNegative file descriptorFr* r r ),�_fd�_closefdr' r2 r �floatr r r r r �sum�count�_created� _writable�O_EXCL�O_CREAT� _readable�O_TRUNC� _appending�O_APPEND�O_RDWR�O_RDONLY�O_WRONLY�getattrrD r+ �set_inheritabler( �stat�S_ISDIR�st_mode�IsADirectoryErrorr� ZEISDIRr� r, �_blksizer& �_setmoder� rV �lseekr ) rG r3 r1 r8 r �fd�flagsZnoinherit_flagZowned_fdZfdfstatrB rB rC r� v s� 4 zFileIO.__init__c C sY | j d k rU | j rU | j rU d d l } | j d | f t d d �| j � d S)Nr zunclosed file %r� stacklevelr )r� r� rh r! r" �ResourceWarningr2 )rG r! rB rB rC r` � s " zFileIO.__del__c C s t d | j j � � d S)Nz cannot serialize '%s' object)r rU rK )rG rB rB rC r� � s zFileIO.__getstate__c C s� d | j j | j j f } | j r- d | Sy | j } Wn/ t k rk d | | j | j | j f SYn Xd | | | j | j f Sd S)Nz%s.%sz <%s [closed]>z <%s fd=%d mode=%r closefd=%r>z <%s name=%r mode=%r closefd=%r>) rU rL rM rh rV r, r� r1 r� )rG � class_namerV rB rB rC r� � s zFileIO.__repr__c C s | j s t d � � d S)NzFile not open for reading)r� rS )rG rB rB rC re s zFileIO._checkReadablec C s | j s t d � � d S)NzFile not open for writing)r� rS )rG rb rB rB rC rg s zFileIO._checkWritablec C sj | j � | j � | d k s, | d k r6 | j � Sy t j | j | � SWn t k re d SYn Xd S)Nr )r] re r� r' rs r� r� )rG ro rB rB rC rs s z FileIO.readc C s | j � | j � t } yK t j | j d t � } t j | j � j } | | k rd | | d } Wn t k ry Yn Xt � } x� t | � | k r� t | � } | t | t � 7} | t | � } y t j | j | � } Wn t k r� | r� Pd SYn X| sP| | 7} q� Wt | � S)Nr r )r] re r& r' r� r� r r( �st_sizer+ rr r r� rs r� r )rG �bufsizerY �endr> rn r� rB rB rC r� s4 zFileIO.readallc C sJ t | � j d � } | j t | � � } t | � } | | d | � <| S)Nr� )r� r� rs r )rG r �mr� rn rB rB rC r� > s zFileIO.readintoc C sH | j � | j � y t j | j | � SWn t k rC d SYn Xd S)N)r] rg r' r r� r� )rG r rB rB rC r F s z FileIO.writec C s; t | t � r t d � � | j � t j | j | | � S)Nzan integer is required)r r� r r] r' r� r� )rG rY rZ rB rB rC rX T s z FileIO.seekc C s | j � t j | j d t � S)Nr )r] r' r� r� r )rG rB rB rC r[ d s z FileIO.tellc C sC | j � | j � | d k r, | j � } t j | j | � | S)N)r] rg r[ r' � ftruncater� )rG ro rB rB rC r\ k s zFileIO.truncatec s; | j s7 z | j r% t j | j � Wd t � j � Xd S)N)rh r� r' r2 r� r� )rG )rU rB rC r2 x s z FileIO.closec C sU | j � | j d k rN y | j � Wn t k rD d | _ Yn Xd | _ | j S)NFT)r] � _seekabler[ r+ )rG rB rB rC ra � s zFileIO.seekablec C s | j � | j S)N)r] r� )rG rB rB rC rd � s zFileIO.readablec C s | j � | j S)N)r] r� )rG rB rB rC rf � s zFileIO.writablec C s | j � | j S)N)r] r� )rG rB rB rC r) � s z FileIO.filenoc C s | j � t j | j � S)N)r] r' r% r� )rG rB rB rC r% � s z FileIO.isattyc C s | j S)N)r� )rG rB rB rC r8 � s zFileIO.closefdc C s_ | j r | j r d Sd Sn> | j r: | j r3 d Sd Sn! | j rW | j rP d Sd Sn d Sd S)Nzxb+�xbzab+�abzrb+�rb�wb)r� r� r� r� )rG rB rB rC r1 � s z FileIO.moder )!rK rL rM r� r� r� r� r� r� r� r� r` r� r� re rg rs r� r� r r rX r[ r\ r2 ra rd rf r) r% r� r8 r1 rB rB )rU rC r$ m s8 u # r$ c @ s� e Z d Z d d d � Z d d � Z d d d � Z d d � Z d d � Z e d d � � Z e d d � � Z e d d � � Z d S)� TextIOBaser c C s | j d � d S)Nrs )rW )rG ro rB rB rC rs � s zTextIOBase.readc C s | j d � d S)Nr )rW )rG �srB rB rC r � s zTextIOBase.writeNc C s | j d � d S)Nr\ )rW )rG rY rB rB rC r\ � s zTextIOBase.truncatec C s | j d � d S)Nrv )rW )rG rB rB rC rv � s zTextIOBase.readlinec C s | j d � d S)Nr� )rW )rG rB rB rC r� � s zTextIOBase.detachc C s d S)NrB )rG rB rB rC r5 � s zTextIOBase.encodingc C s d S)NrB )rG rB rB rC �newlines� s zTextIOBase.newlinesc C s d S)NrB )rG rB rB rC r6 � s zTextIOBase.errorsr ) rK rL rM rs r r\ rv r� r� r5 r� r6 rB rB rB rC r� � s r� c @ sv e Z d Z d d d � Z d d d � Z d d � Z d d � Z d d � Z d Z d Z d Z e d d � � Z d S)�IncrementalNewlineDecoder�strictc C s> t j j | d | �| | _ | | _ d | _ d | _ d S)Nr6 r F)�codecs�IncrementalDecoderr� � translate�decoder�seennl� pendingcr)rG r� r� r6 rB rB rC r� s z"IncrementalNewlineDecoder.__init__Fc C s+ | j d k r | } n | j j | d | �} | j rX | sE | rX d | } d | _ | j d � r� | r� | d d � } d | _ | j d � } | j d � | } | j d � | } | j | o� | j | o� | j B| o� | j BO_ | j r'| r| j d d � } | r'| j d d � } | S) N�final� Fr Tz � r ) r� �decoder� rt r� r� �_LF�_CR�_CRLFr� �replace)rG �inputr� �outputZcrlfZcrZlfrB rB rC r� s( + z IncrementalNewlineDecoder.decodec C sZ | j d k r d } d } n | j j � \ } } | d K} | j rP | d O} | | f S)Nr� r r )r� �getstater� )rG r� �flagrB rB rC r 1 s z"IncrementalNewlineDecoder.getstatec C sL | \ } } t | d @� | _ | j d k rH | j j | | d ?f � d S)Nr )�boolr� r� �setstate)rG �stater� r rB rB rC r < s z"IncrementalNewlineDecoder.setstatec C s2 d | _ d | _ | j d k r. | j j � d S)Nr F)r� r� r� �reset)rG rB rB rC r B s z IncrementalNewlineDecoder.resetr r � c C s d | j S) Nr� r� � �r� r� �r� r �r� r �r� r� r )Nr� r� r r r r r )r� )rG rB rB rC r� L s z"IncrementalNewlineDecoder.newlinesN) rK rL rM r� r� r r r r r r r� r� rB rB rB rC r� s r� c @ s� e Z d Z d Z d d d d d d d � Z d d � Z e d d � � Z e d d � � Z e d d � � Z e d d � � Z d d � Z d d � Z d d � Z d d � Z d d � Z e 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* d+ � Z d, d- � Z d. d/ � Z d0 d0 d0 d0 d1 d2 � Z d3 d4 � Z d5 d6 � Z d d7 d8 � Z d9 d: � Z d0 d; d< � Z d d= d> � Z! d? d@ � Z" d dA dB � Z# e dC dD � � Z$ d S)Er0 i NFc C s� | d k r5 t | t � r5 t d t | � f � � | d k rT t d | f � � | d k r� y t j | j � � } Wn t t f k r� Yn X| d k r� y d d l } Wn t k r� d } Yn X| j d � } t | t � s� t d | � � t j | � j s!d } t | | � � | d k r6d } n t | t � sUt d | � � | | _ | | _ | | _ | | _ | | _ | d k | _ | | _ | d k | _ | p�t j | _ d | _ d | _ d | _ d | _ d | _ | j j! � | _" | _# t$ | j d � | _% d | _& | j" r|| j' � r|| j j( � } | d k r|y | j) � j* d � Wn t k r{Yn Xd S)Nzillegal newline type: %rr r� r� � zillegal newline value: %rr �asciiFzinvalid encoding: %rzG%r is not a text encoding; use codecs.open() to handle arbitrary codecsr� zinvalid errors: %rr� g )Nr r� r� r )+r r r �typer r' �device_encodingr) r, rS �locale� ImportError�getpreferredencodingr� �lookup�_is_text_encoding� LookupErrorr� �_line_buffering� _encoding�_errors�_readuniversal�_readtranslate�_readnl�_writetranslate�linesep�_writenl�_encoder�_decoder�_decoded_chars�_decoded_chars_used� _snapshotrA ra r� �_tellingrq � _has_read1� _b2cratiorf r[ � _get_encoderr ) rG rA r5 r6 r7 r? � write_throughr rb �positionrB rB rC r� v s` zTextIOWrapper.__init__c C s� d j | j j | j j � } y | j } Wn t k r? Yn X| d j | � 7} y | j } Wn t k rt Yn X| d j | � 7} | d j | j � S)Nz<{}.{}z name={0!r}z mode={0!r}z encoding={0!r}>)r� rU rL rM rV r� r1 r5 )rG r> rV r1 rB rB rC r� � s zTextIOWrapper.__repr__c C s | j S)N)r )rG rB rB rC r5 � s zTextIOWrapper.encodingc C s | j S)N)r )rG rB rB rC r6 � s zTextIOWrapper.errorsc C s | j S)N)r )rG rB rB rC r? � s z TextIOWrapper.line_bufferingc C s | j S)N)r� )rG rB rB rC rA � s zTextIOWrapper.bufferc C s | j r t d � � | j S)Nz I/O operation on closed file.)rh r r� )rG rB rB rC ra � s zTextIOWrapper.seekablec C s | j j � S)N)rA rd )rG rB rB rC rd � s zTextIOWrapper.readablec C s | j j � S)N)rA rf )rG rB rB rC rf � s zTextIOWrapper.writablec C s | j j � | j | _ d S)N)rA r^ r� r* )rG rB rB rC r^ � s zTextIOWrapper.flushc C s< | j d k r8 | j r8 z | j � Wd | j j � Xd S)N)rA rh r^ r2 )rG rB rB rC r2 � s zTextIOWrapper.closec C s | j j S)N)rA rh )rG rB rB rC rh � s zTextIOWrapper.closedc C s | j j S)N)rA rV )rG rB rB rC rV � s zTextIOWrapper.namec C s | j j � S)N)rA r) )rG rB rB rC r) � s zTextIOWrapper.filenoc C s | j j � S)N)rA r% )rG rB rB rC r% � s zTextIOWrapper.isattyc C s | j r t d � � t | t � s: t d | j j � � t | � } | j sX | j oa d | k } | r� | j r� | j d k r� | j d | j � } | j p� | j � } | j | � } | j j | � | j r� | s� d | k r� | j � d | _ | j r| j j � | S)Nzwrite to closed filez can't write %s to text streamr� r� )rh r r r r rU rK r r" r r$ r r% r- �encoderA r r^ r) r& r )rG r� �lengthZhaslf�encoderr rB rB rC r s$ zTextIOWrapper.writec C s+ t j | j � } | | j � | _ | j S)N)r� �getincrementalencoderr r r% )rG Z make_encoderrB rB rC r- s zTextIOWrapper._get_encoderc C sI t j | j � } | | j � } | j r< t | | j � } | | _ | S)N)r� �getincrementaldecoderr r r r� r r& )rG Z make_decoderr� rB rB rC � _get_decoder s zTextIOWrapper._get_decoderc C s | | _ d | _ d S)Nr )r' r( )rG �charsrB rB rC �_set_decoded_chars' s z TextIOWrapper._set_decoded_charsc C s[ | j } | d k r+ | j | d � } n | j | | | � } | j t | � 7_ | S)N)r( r' r )rG rn �offsetr6 rB rB rC �_get_decoded_chars, s z TextIOWrapper._get_decoded_charsc C s. | j | k r t d � � | j | 8_ d S)Nz"rewind decoded_chars out of bounds)r( �AssertionError)rG rn rB rB rC �_rewind_decoded_chars6 s z#TextIOWrapper._rewind_decoded_charsc C s� | j d k r t d � � | j r9 | j j � \ } } | j rZ | j j | j � } n | j j | j � } | } | j j | | � } | j | � | r� t | � t | j � | _ n d | _ | j r� | | | f | _ | S)Nz no decoderg )r& r r* r r+ rA r� � _CHUNK_SIZErs r� r7 r r' r, r) )rG � dec_buffer� dec_flags� input_chunk�eofZ decoded_charsrB rB rC � _read_chunk< s zTextIOWrapper._read_chunkr c C s* | | d >B| d >B| d >Bt | � d >BS)N�@ � � � )r )rG r/ r> � bytes_to_feed�need_eof� chars_to_skiprB rB rC � _pack_cookief s zTextIOWrapper._pack_cookiec C sg t | d � \ } } t | d � \ } } t | d � \ } } t | d � \ } } | | | | | f S)Nr rB l l l l )�divmod)rG Zbigint�restr/ r> rF rG rH rB rB rC �_unpack_cookiep s z TextIOWrapper._unpack_cookiec C s | j s t d � � | j s* t d � � | j � | j j � } | j } | d k sg | j d k r� | j r| t d � � | S| j \ } } | t | � 8} | j } | d k r� | j | | � S| j � } z t | j | � } d } x� | d k r�| j d | f � t | j | d | � � � } | | k r{| j � \ } } | sb| } | | 8} P| t | � 8} d } q� | | 8} | d } q� Wd } | j d | f � | | } | } | d k r�| j | | � Sd } d } d } x� t | t | � � D]� } | d 7} | t | j | | | d � � � 7} | j � \ } } | r�| | k r�| | 7} | | 8} | d d } } } | | k r Pq W| t | j d d d �� 7} d } | | k r�t d � � | j | | | | | � SWd | j | � Xd S) Nz!underlying stream is not seekablez(telling position disabled by next() callzpending decoded textr r r� r r� Tz'can't reconstruct logical file position)r� rS r* r+ r^ rA r[ r& r) r' r: r r( rI r r r, r r� �range)rG r/ r� r> Z next_inputrH � saved_stateZ skip_bytesZ skip_backrn r �d� start_posZ start_flagsZ bytes_fedrG Z chars_decoded�ir= rB rB rC r[ w sv ' zTextIOWrapper.tellc C s2 | j � | d k r" | j � } | j j | � S)N)r^ r[ rA r\ )rG rY rB rB rC r\ � s zTextIOWrapper.truncatec C s; | j d k r t d � � | j � | j } d | _ | S)Nzbuffer is already detached)rA r r^ r� )rG rA rB rB rC r� � s zTextIOWrapper.detachc sm � f d d � } � j r' t d � � � j s< t d � � | d k rr | d k r` t d � � d } � j � } | d k r� | d k r� t d � � � j � � j j d d � } � j d � d � _ � j r� � j j � | | � | S| d k rt d | f � � | d k r-t d | f � � � j � � j | � \ } } } } } � j j | � � j d � d � _ | d k r�� j r�� j j � nR � j s�| s�| r�� j p�� j � � _ � j j d | f � | d f � _ | r_� j j | � } � j � j j | | � � | | f � _ t � j � | k rVt d � � | � _ | | � | S)Nc sX y � j p � j � } Wn t k r- Yn' X| d k rJ | j d � n | j � d S)Nr )r% r- r r r )r/ r2 )rG rB rC �_reset_encoder� s z*TextIOWrapper.seek.<locals>._reset_encoderztell on closed filez!underlying stream is not seekabler r z#can't do nonzero cur-relative seeksr z#can't do nonzero end-relative seeksr zunsupported whence (%r)znegative seek position %rr� z#can't restore logical file position)rh r r� rS r[ r^ rA rX r7 r) r& r rL r5 r rs r� r r' r+ r( ) rG ZcookierZ rR r/ rP r> rF rG rH r? rB )rG rC rX � s\ zTextIOWrapper.seekc C s( | j � | d k r d } | j p. | j � } y | j Wn4 t k rr } z t d � | � WYd d } ~ Xn X| d k r� | j � | j | j j � d d �} | j d � d | _ | Sd } | j | � } xG t | � | k r | r | j � } | | j | t | � � 7} q� W| Sd S) Nr zan integer is requiredr r� Tr Fr )re r& r5 r� r, r r9 r� rA rs r7 r) r rA )rG ro r� r� r> r@ rB rB rC rs 3 s( " !zTextIOWrapper.readc C s: d | _ | j � } | s6 d | _ | j | _ t � | S)NF)r* rv r) r� rx )rG ry rB rB rC rz L s zTextIOWrapper.__next__c C sn | j r t d � � | d k r* d } n t | t � sE t d � � | j � } d } | j sj | j � d } } x�| j r� | j d | � } | d k r� | d } Pq�t | � } n� | j r}| j d | � } | j d | � } | d k r | d k rt | � } qz| d } Pq�| d k r7| d } Pq�| | k rQ| d } Pq�| | d k ro| d } Pq�| d } Pn2 | j | j � } | d k r�| t | j � } P| d k r�t | � | k r�| } Px | j � r�| j r�Pq�W| j r | | j � 7} qw | j d � d | _ | Sqw W| d k rI| | k rI| } | j t | � | � | d | � S) Nzread from closed filer zsize must be an integerr r� r� r r r r r r )rh r r r r r9 r& r5 r rl r r r! rA r' r7 r) r; )rG ro ry �startrY �endposZnlposZcrposrB rB rC rv U sp zTextIOWrapper.readlinec C s | j r | j j Sd S)N)r& r� )rG rB rB rC r� � s zTextIOWrapper.newlines)%rK rL rM r< r� r� r� r5 r6 r? rA ra rd rf r^ r2 rh rV r) r% r r- r5 r7 r9 r; rA rI rL r[ r\ r� rX rs rz rv r� rB rB rB rC r0 Y sF E * c K Xr0 c sp e Z d Z d d � f d d � Z d d � Z d d � Z e d d � � Z e d d � � Z d d � Z � S)�StringIOr r� c s� t t | � j t � d d d d d | �| d k r@ d | _ | d k r� t | t � sy t d j t | � j � � � | j | � | j d � d S) Nr5 zutf-8r6 � surrogatepassr7 Fz*initial_value must be str or None, not {0}r ) r� rU r� r� r" r r r r� r rK r rX )rG Z initial_valuer7 )rU rB rC r� � s zStringIO.__init__c C sj | j � | j p | j � } | j � } | j � z | j | j j � d d �SWd | j | � Xd S)Nr� T) r^ r& r5 r r r� rA r� r )rG r� Z old_staterB rB rC r� � s zStringIO.getvaluec C s t j | � S)N)�objectr� )rG rB rB rC r� � s zStringIO.__repr__c C s d S)NrB )rG rB rB rC r6 � s zStringIO.errorsc C s d S)NrB )rG rB rB rC r5 � s zStringIO.encodingc C s | j d � d S)Nr� )rW )rG rB rB rC r� � s zStringIO.detach) rK rL rM r� r� r� r� r6 r5 r� rB rB )rU rC rU � s rU )5r' �abcr� r� �arrayr� �sys�_threadr r� r � _dummy_thread�platform�msvcrtr r� �ior r r r r� rq �addr � SEEK_DATAr& r� rD rE rN rS r, r+ r �ABCMetarT �registerr� �_ior$ r� r� r� r/ r. r� r- r� r� r� r0 rU rB rB rB rC �<module> sj " � � = gi�ZIJ� TAU� � [
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