Aic @ s d Z d d l m Z m Z d d l Z d d l Z d d l Z d d l Z d d l Z y d d l m Z Wn! e k r d d l m Z n Xd d l Z d d l m Z m Z m Z m Z d d l m Z e Z d d Z d e f d YZ d d e e e e d Z d f d YZ d f d YZ d e e f d YZ d f d YZ e j j! e d e f d YZ" e j" j! e" d d l# m$ Z$ e" j! e$ d e f d YZ% e j% j! e% d e% f d YZ& d e% f d YZ' d e& f d YZ( d e& f d! YZ) d" e% f d# YZ* d$ e) e( f d% YZ+ d& e f d' YZ, e j, j! e, d( e j- f d) YZ. d* e, f d+ YZ/ d, e/ f d- YZ0 d S(. u) Python implementation of the io module. i( t print_functiont unicode_literalsN( t allocate_lock( t __all__t SEEK_SETt SEEK_CURt SEEK_END( t EINTRi i t BlockingIOErrorc B s e Z d Z d d Z RS( uC Exception raised when I/O would block on a non-blocking I/O stream.i c C sJ t t | j | | t | t t f s= t d n | | _ d S( Nu$ characters_written must be a integer( t supert IOErrort __init__t isinstancet intt longt TypeErrort characters_written( t selft errnot strerrorR ( ( s /usr/lib64/python2.7/_pyio.pyR $ s ( t __name__t __module__t __doc__R ( ( ( s /usr/lib64/python2.7/_pyio.pyR s u rc C s t | t t t f s+ t d | n t | t sM t d | n t | t t f su t d | n | d k r t | t r t d | n | d k r t | t r t d | n t | } | t d st | t | k rt d | n d | k } d | k } d | k } d | k } d | k } d | k } d | k r| sz| rt d n t } n | r| rt d n | | | d k rt d n | p| p| st d n | r| d k rt d n | r3| d k r3t d n | rT| d k rTt d n t | | rfd pid | rud pxd | rd pd | rd pd | } t } | d k s| d k r| j rd } t } n | d k r>t } y t j | j j } Wn t j t f k r%q>X| d k r>| } q>n | d k rYt d n | d k r~| ro| St d n | rt | | } nF | s| rt | | } n( | rt | | } n t d | | r| St | | | | | } | | _ | S( u Open file and return a stream. Raise IOError upon failure. file is either a text or byte string giving the name (and the path if the file isn't in the current working directory) of the file to be opened or an integer file descriptor of the file to be wrapped. (If a file descriptor is given, it is closed when the returned I/O object is closed, unless closefd is set to False.) mode is an optional string that specifies the mode in which the file is opened. It defaults to 'r' which means open for reading in text mode. Other common values are 'w' for writing (truncating the file if it already exists), and 'a' for appending (which on some Unix systems, means that all writes append to the end of the file regardless of the current seek position). In text mode, if encoding is not specified the encoding used is platform dependent. (For reading and writing raw bytes use binary mode and leave encoding unspecified.) The available modes are: ========= =============================================================== Character Meaning --------- --------------------------------------------------------------- 'r' open for reading (default) 'w' open for writing, truncating the file first 'a' open for writing, appending to the end of the file if it exists 'b' binary mode 't' text mode (default) '+' open a disk file for updating (reading and writing) 'U' universal newline mode (for backwards compatibility; unneeded for new code) ========= =============================================================== The default mode is 'rt' (open for reading text). For binary random access, the mode 'w+b' opens and truncates the file to 0 bytes, while 'r+b' opens the file without truncation. Python distinguishes between files opened in binary and text modes, even when the underlying operating system doesn't. Files opened in binary mode (appending 'b' to the mode argument) return contents as bytes objects without any decoding. In text mode (the default, or when 't' is appended to the mode argument), the contents of the file are returned as strings, the bytes having been first decoded using a platform-dependent encoding or using the specified encoding if given. buffering is an optional integer used to set the buffering policy. Pass 0 to switch buffering off (only allowed in binary mode), 1 to select line buffering (only usable in text mode), and an integer > 1 to indicate the size of a fixed-size chunk buffer. When no buffering argument is given, the default buffering policy works as follows: * Binary files are buffered in fixed-size chunks; the size of the buffer is chosen using a heuristic trying to determine the underlying device's "block size" and falling back on `io.DEFAULT_BUFFER_SIZE`. On many systems, the buffer will typically be 4096 or 8192 bytes long. * "Interactive" text files (files for which isatty() returns True) use line buffering. Other text files use the policy described above for binary files. encoding is the name of the encoding used to decode or encode the file. This should only be used in text mode. The default encoding is platform dependent, but any encoding supported by Python can be passed. See the codecs module for the list of supported encodings. errors is an optional string that specifies how encoding errors are to be handled---this argument should not be used in binary mode. Pass 'strict' to raise a ValueError exception if there is an encoding error (the default of None has the same effect), or pass 'ignore' to ignore errors. (Note that ignoring encoding errors can lead to data loss.) See the documentation for codecs.register for a list of the permitted encoding error strings. newline controls how universal newlines works (it only applies to text mode). It can be None, '', '\n', '\r', and '\r\n'. It works as follows: * On input, if newline is None, universal newlines mode is enabled. Lines in the input can end in '\n', '\r', or '\r\n', and these are translated into '\n' before being returned to the caller. If it is '', universal newline mode is enabled, but line endings are returned to the caller untranslated. If it has any of the other legal values, input lines are only terminated by the given string, and the line ending is returned to the caller untranslated. * On output, if newline is None, any '\n' characters written are translated to the system default line separator, os.linesep. If newline is '', no translation takes place. If newline is any of the other legal values, any '\n' characters written are translated to the given string. If closefd is False, the underlying file descriptor will be kept open when the file is closed. This does not work when a file name is given and must be True in that case. open() returns a file object whose type depends on the mode, and through which the standard file operations such as reading and writing are performed. When open() is used to open a file in a text mode ('w', 'r', 'wt', 'rt', etc.), it returns a TextIOWrapper. When used to open a file in a binary mode, the returned class varies: in read binary mode, it returns a BufferedReader; in write binary and append binary modes, it returns a BufferedWriter, and in read/write mode, it returns a BufferedRandom. It is also possible to use a string or bytearray as a file for both reading and writing. For strings StringIO can be used like a file opened in a text mode, and for bytes a BytesIO can be used like a file opened in a binary mode. u invalid file: %ru invalid mode: %ru invalid buffering: %ru invalid encoding: %ru invalid errors: %ru arwb+tUu ru wu au +u tu bu Uu$ can't use U and writing mode at onceu' can't have text and binary mode at oncei u) can't have read/write/append mode at onceu/ must have exactly one of read/write/append modeu- binary mode doesn't take an encoding argumentu+ binary mode doesn't take an errors argumentu+ binary mode doesn't take a newline argumentu i iu invalid buffering sizeu can't have unbuffered text I/Ou unknown mode: %rN( R t basestringR R R t Nonet sett lent ValueErrort Truet FileIOt Falset isattyt DEFAULT_BUFFER_SIZEt ost fstatt filenot st_blksizet errort AttributeErrort BufferedRandomt BufferedWritert BufferedReadert TextIOWrappert mode( t fileR+ t bufferingt encodingt errorst newlinet closefdt modest readingt writingt appendingt updatingt textt binaryt rawt line_bufferingt bst buffer( ( s /usr/lib64/python2.7/_pyio.pyt open+ s o ( / $ t DocDescriptorc B s e Z d Z d Z RS( u% Helper for builtins.open.__doc__ c C s d t j S( Nu\ open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None, closefd=True) ( R= R ( R t objt typ( ( s /usr/lib64/python2.7/_pyio.pyt __get__ s ( R R R RA ( ( ( s /usr/lib64/python2.7/_pyio.pyR> s t OpenWrapperc B s e Z d Z e Z d Z RS( u Wrapper for builtins.open Trick so that open won't become a bound method when stored as a class variable (as dbm.dumb does). See initstdio() in Python/pythonrun.c. c O s t | | S( N( R= ( t clst argst kwargs( ( s /usr/lib64/python2.7/_pyio.pyt __new__ s ( R R R R> RF ( ( ( s /usr/lib64/python2.7/_pyio.pyRB s t UnsupportedOperationc B s e Z RS( ( R R ( ( ( s /usr/lib64/python2.7/_pyio.pyRG s t IOBasec B s e Z e j Z d Z d d Z d Z d d Z d Z e Z d Z d Z d Z d d Z d Z d d Z d Z d d Z e d Z d d Z d Z d Z d Z d Z d d Z d Z d Z d d Z d Z RS( c C s t d | j j | f d S( u8 Internal: raise an exception for unsupported operations.u %s.%s() not supportedN( RG t __class__R ( R t name( ( s /usr/lib64/python2.7/_pyio.pyt _unsupported# s i c C s | j d d S( u Change stream position. Change the stream position to byte offset pos. Argument pos is interpreted relative to the position indicated by whence. Values for whence are: * 0 -- start of stream (the default); offset should be zero or positive * 1 -- current stream position; offset may be negative * 2 -- end of stream; offset is usually negative Return the new absolute position. u seekN( RK ( R t post whence( ( s /usr/lib64/python2.7/_pyio.pyt seek* s c C s | j d d S( u Return current stream position.i i ( RN ( R ( ( s /usr/lib64/python2.7/_pyio.pyt tell9 s c C s | j d d S( u Truncate file to size bytes. Size defaults to the current IO position as reported by tell(). Return the new size. u truncateN( RK ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyt truncate= s c C s | j d S( uu Flush write buffers, if applicable. This is not implemented for read-only and non-blocking streams. N( t _checkClosed( R ( ( s /usr/lib64/python2.7/_pyio.pyt flushG s c C s+ | j s' z | j Wd t | _ Xn d S( ui Flush and close the IO object. This method has no effect if the file is already closed. N( t _IOBase__closedRR R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt closeQ s c C s y | j Wn n Xd S( u Destructor. Calls close().N( RT ( R ( ( s /usr/lib64/python2.7/_pyio.pyt __del__\ s c C s t S( u Return whether object supports random access. If False, seek(), tell() and truncate() will raise IOError. This method may need to do a test seek(). ( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt seekablej s c C s1 | j s- t | d k r! d n | n d S( u; Internal: raise an IOError if file is not seekable u File or stream is not seekable.N( RV R R ( R t msg( ( s /usr/lib64/python2.7/_pyio.pyt _checkSeekabler s c C s t S( ud Return whether object was opened for reading. If False, read() will raise IOError. ( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt readablez s c C s1 | j s- t | d k r! d n | n d S( u; Internal: raise an IOError if file is not readable u File or stream is not readable.N( RY R R ( R RW ( ( s /usr/lib64/python2.7/_pyio.pyt _checkReadable s c C s t S( ut Return whether object was opened for writing. If False, write() and truncate() will raise IOError. ( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt writable s c C s1 | j s- t | d k r! d n | n d S( u; Internal: raise an IOError if file is not writable u File or stream is not writable.N( R[ R R ( R RW ( ( s /usr/lib64/python2.7/_pyio.pyt _checkWritable s c C s | j S( u closed: bool. True iff the file has been closed. For backwards compatibility, this is a property, not a predicate. ( RS ( R ( ( s /usr/lib64/python2.7/_pyio.pyt closed s c C s. | j r* t | d k r d n | n d S( u8 Internal: raise an ValueError if file is closed u I/O operation on closed file.N( R] R R ( R RW ( ( s /usr/lib64/python2.7/_pyio.pyRQ s c C s | j | S( u+ Context management protocol. Returns self.( RQ ( R ( ( s /usr/lib64/python2.7/_pyio.pyt __enter__ s c G s | j d S( u+ Context management protocol. Calls close()N( RT ( R RD ( ( s /usr/lib64/python2.7/_pyio.pyt __exit__ s c C s | j d d S( u Returns underlying file descriptor if one exists. An IOError is raised if the IO object does not use a file descriptor. u filenoN( RK ( R ( ( s /usr/lib64/python2.7/_pyio.pyR# s c C s | j t S( ui Return whether this is an 'interactive' stream. Return False if it can't be determined. ( RQ R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR s ic s t d r$ f d } n d } d k rB d n$ t t t f sf t d n t } x[ d k s t | k r j | } | s Pn | | 7} | j d rr Pqr qr Wt | S( u( Read and return a line from the stream. If limit is specified, at most limit bytes will be read. The line terminator is always b'\n' for binary files; for text files, the newlines argument to open can be used to select the line terminator(s) recognized. u peekc sZ j d } | s d S| j d d p5 t | } d k rV t | } n | S( Ni s i ( t peekt findR t min( t readaheadt n( t limitR ( s /usr/lib64/python2.7/_pyio.pyt nreadahead s c S s d S( Ni ( ( ( ( s /usr/lib64/python2.7/_pyio.pyRf s iu limit must be an integeri s N( t hasattrR R R R R t bytearrayR t readt endswitht bytes( R Re Rf t rest b( ( Re R s /usr/lib64/python2.7/_pyio.pyt readline s ! c C s | j | S( N( RQ ( R ( ( s /usr/lib64/python2.7/_pyio.pyt __iter__ s c C s | j } | s t n | S( N( Rn t StopIteration( R t line( ( s /usr/lib64/python2.7/_pyio.pyt next s c C s | d k r1 t | t t f r1 t d n | d k sI | d k rS t | Sd } g } x; | D]3 } | j | | t | 7} | | k rf Pqf qf W| S( u Return a list of lines from the stream. hint can be specified to control the number of lines read: no more lines will be read if the total size (in bytes/characters) of all lines so far exceeds hint. u integer or None expectedi N( R R R R R t listt appendR ( R t hintRd t linesRq ( ( s /usr/lib64/python2.7/_pyio.pyt readlines s " c C s, | j x | D] } | j | q Wd S( N( RQ t write( R Rv Rq ( ( s /usr/lib64/python2.7/_pyio.pyt writelines s N(! R R t abct ABCMetat __metaclass__RK RN RO R RP RR R RS RT RU RV RX RY RZ R[ R\ t propertyR] RQ R^ R_ R# R Rn Ro Rr Rw Ry ( ( ( s /usr/lib64/python2.7/_pyio.pyRH s4 " $ t RawIOBasec B s5 e Z d Z d d Z d Z d Z d Z RS( u Base class for raw binary I/O.ic C sm | d k r d } n | d k r+ | j St | j } | j | } | d k r\ d S| | 3t | S( u Read and return up to n bytes. Returns an empty bytes object on EOF, or None if the object is set not to block and has no data to read. ii N( R t readallRh t __index__t readintoRk ( R Rd Rm ( ( s /usr/lib64/python2.7/_pyio.pyRi s c C sQ t } x- t r8 | j t } | s+ Pn | | 7} q W| rI t | S| Sd S( u+ Read until EOF, using multiple read() call.N( Rh R Ri R Rk ( R Rl t data( ( s /usr/lib64/python2.7/_pyio.pyR . s c C s | j d d S( u Read up to len(b) bytes into b. Returns number of bytes read (0 for EOF), or None if the object is set not to block and has no data to read. u readintoN( RK ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyR < s c C s | j d d S( u~ Write the given buffer to the IO stream. Returns the number of bytes written, which may be less than len(b). u writeN( RK ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyRx D s ( R R R Ri R R Rx ( ( ( s /usr/lib64/python2.7/_pyio.pyR~ s ( R t BufferedIOBasec B sA e Z d Z d d Z d d Z d Z d Z d Z RS( u Base class for buffered IO objects. The main difference with RawIOBase is that the read() method supports omitting the size argument, and does not have a default implementation that defers to readinto(). In addition, read(), readinto() and write() may raise BlockingIOError if the underlying raw stream is in non-blocking mode and not ready; unlike their raw counterparts, they will never return None. A typical implementation should not inherit from a RawIOBase implementation, but wrap one. c C s | j d d S( u Read and return up to n bytes. If the argument is omitted, None, or negative, reads and returns all data until EOF. If the argument is positive, and the underlying raw stream is not 'interactive', multiple raw reads may be issued to satisfy the byte count (unless EOF is reached first). But for interactive raw streams (XXX and for pipes?), at most one raw read will be issued, and a short result does not imply that EOF is imminent. Returns an empty bytes array on EOF. Raises BlockingIOError if the underlying raw stream has no data at the moment. u readN( RK ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyRi a s c C s | j d d S( u7 Read up to n bytes with at most one read() system call.u read1N( RK ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyt read1u s c C s | j t | } t | } y | | | *WnP t k r } d d l } t | | j sh | n | j d | | | *n X| S( u= Read up to len(b) bytes into b. Like read(), this may issue multiple reads to the underlying raw stream, unless the latter is 'interactive'. Returns the number of bytes read (0 for EOF). Raises BlockingIOError if the underlying raw stream has no data at the moment. iNRm ( Ri R R t arrayR ( R Rm R Rd t errR ( ( s /usr/lib64/python2.7/_pyio.pyR y s c C s | j d d S( u Write the given buffer to the IO stream. Return the number of bytes written, which is never less than len(b). Raises BlockingIOError if the buffer is full and the underlying raw stream cannot accept more data at the moment. u writeN( RK ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyRx s c C s | j d d S( u Separate the underlying raw stream from the buffer and return it. After the raw stream has been detached, the buffer is in an unusable state. u detachN( RK ( R ( ( s /usr/lib64/python2.7/_pyio.pyt detach s N( R R R R Ri R R Rx R ( ( ( s /usr/lib64/python2.7/_pyio.pyR P s t _BufferedIOMixinc B s e Z d Z d Z d d Z d Z d d Z d Z d Z d Z d Z d Z d Z e d Z e d Z e d Z e d Z d Z d Z d Z RS( u A mixin implementation of BufferedIOBase with an underlying raw stream. This passes most requests on to the underlying raw stream. It does *not* provide implementations of read(), readinto() or write(). c C s | | _ d S( N( t _raw( R R9 ( ( s /usr/lib64/python2.7/_pyio.pyR s i c C s4 | j j | | } | d k r0 t d n | S( Ni u# seek() returned an invalid position( R9 RN R ( R RL RM t new_position( ( s /usr/lib64/python2.7/_pyio.pyRN s c C s. | j j } | d k r* t d n | S( Ni u# tell() returned an invalid position( R9 RO R ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRO s c C s5 | j | d k r% | j } n | j j | S( N( RR R RO R9 RP ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP s c C s) | j r t d n | j j d S( Nu flush of closed file( R] R R9 RR ( R ( ( s /usr/lib64/python2.7/_pyio.pyRR s c C s? | j d k r; | j r; z | j Wd | j j Xn d S( N( R9 R R] RR RT ( R ( ( s /usr/lib64/python2.7/_pyio.pyRT s c C s> | j d k r t d n | j | j } d | _ | S( Nu raw stream already detached( R9 R R RR R ( R R9 ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j j S( N( R9 RV ( R ( ( s /usr/lib64/python2.7/_pyio.pyRV s c C s | j j S( N( R9 RY ( R ( ( s /usr/lib64/python2.7/_pyio.pyRY s c C s | j j S( N( R9 R[ ( R ( ( s /usr/lib64/python2.7/_pyio.pyR[ s c C s | j S( N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR9 s c C s | j j S( N( R9 R] ( R ( ( s /usr/lib64/python2.7/_pyio.pyR] s c C s | j j S( N( R9 RJ ( R ( ( s /usr/lib64/python2.7/_pyio.pyRJ s c C s | j j S( N( R9 R+ ( R ( ( s /usr/lib64/python2.7/_pyio.pyR+ s c C sK | j j } y | j } Wn t k r6 d j | SXd j | | Sd S( Nu <_pyio.{0}>u <_pyio.{0} name={1!r}>( RI R RJ R& t format( R t clsnameRJ ( ( s /usr/lib64/python2.7/_pyio.pyt __repr__ s c C s | j j S( N( R9 R# ( R ( ( s /usr/lib64/python2.7/_pyio.pyR# s c C s | j j S( N( R9 R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR s N( R R R R RN RO R RP RR RT R RV RY R[ R} R9 R] RJ R+ R R# R ( ( ( s /usr/lib64/python2.7/_pyio.pyR s$ t BytesIOc B s e Z d Z d d Z d Z d Z d d Z d Z d Z d d Z d Z d d Z d Z d Z d Z RS( u< Buffered I/O implementation using an in-memory bytes buffer.c C s; t } | d k r% | j | n | | _ d | _ d S( Ni ( Rh R t extendt _buffert _pos( R t initial_bytest buf( ( s /usr/lib64/python2.7/_pyio.pyR s c C s% | j r t d n | j j S( Nu __getstate__ on closed file( R] R t __dict__t copy( R ( ( s /usr/lib64/python2.7/_pyio.pyt __getstate__ s c C s% | j r t d n t | j S( u8 Return the bytes value (contents) of the buffer u getvalue on closed file( R] R Rk R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt getvalue! s c C s | j r t d n | d k r- d } n t | t t f s` t d j t | n | d k r~ t | j } n t | j | j k r d St t | j | j | } | j | j | !} | | _ t | S( Nu read from closed fileiu$ integer argument expected, got {0!r}i t ( R] R R R R R R R t typeR R R Rb Rk ( R Rd t newposRm ( ( s /usr/lib64/python2.7/_pyio.pyRi ( s c C s | j | S( u" This is the same as read. ( Ri ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR 9 s c C s | j r t d n t | t r6 t d n t | } | d k rR d S| j } | t | j k r d | t | j } | j | 7_ n | | j | | | +| j | 7_ | S( Nu write to closed fileu$ can't write unicode to binary streami t ( R] R R t unicodeR R R R ( R Rm Rd RL t padding( ( s /usr/lib64/python2.7/_pyio.pyRx > s i c C s | j r t d n y | j Wn t k rB t d n X| d k r} | d k rq t d | f n | | _ nb | d k r t d | j | | _ n: | d k r t d t | j | | _ n t d | j S( Nu seek on closed fileu an integer is requiredi u negative seek position %ri i u invalid whence value( R] R R R& R R t maxR R ( R RL RM ( ( s /usr/lib64/python2.7/_pyio.pyRN P s " c C s | j r t d n | j S( Nu tell on closed file( R] R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRO c s c C s | j r t d n | d k r0 | j } nM y | j Wn t k rZ t d n X| d k r} t d | f n | j | 3| S( Nu truncate on closed fileu an integer is requiredi u negative truncate position %r( R] R R R R R& R R ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP h s c C s | j r t d n t S( Nu I/O operation on closed file.( R] R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRY w s c C s | j r t d n t S( Nu I/O operation on closed file.( R] R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR[ | s c C s | j r t d n t S( Nu I/O operation on closed file.( R] R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRV s N( R R R R R R R Ri R Rx RN RO RP RY R[ RV ( ( ( s /usr/lib64/python2.7/_pyio.pyR s R) c B sq e Z d Z e d Z d Z d d Z d d Z d d Z d d Z d Z d Z d d Z RS( u BufferedReader(raw[, buffer_size]) A buffer for a readable, sequential BaseRawIO object. The constructor creates a BufferedReader for the given readable raw stream and buffer_size. If buffer_size is omitted, DEFAULT_BUFFER_SIZE is used. c C si | j s t d n t j | | | d k rF t d n | | _ | j t | _ d S( uM Create a new buffered reader using the given readable raw IO object. u "raw" argument must be readable.i u invalid buffer sizeN( RY R R R R t buffer_sizet _reset_read_buft Lockt _read_lock( R R9 R ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s d | _ d | _ d S( NR i ( t _read_buft _read_pos( R ( ( s /usr/lib64/python2.7/_pyio.pyR s c C sH | d k r' | d k r' t d n | j | j | SWd QXd S( u Read n bytes. Returns exactly n bytes of data unless the underlying raw IO stream reaches EOF or if the call would block in non-blocking mode. If n is negative, read until EOF or until read() would block. iu invalid number of bytes to readN( R R R t _read_unlocked( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyRi s c C s d } d } | j } | j } | d k s6 | d k r | j | | g } d } x~ t r y | j j } Wn+ t k r } | j t k rV qV qV n X| | k r | } Pn | t | 7} | j | qV Wd j | p | St | | } | | k r!| j | 7_ | | | | !S| | g } t | j | } x | | k ry | j j | } Wn+ t k r} | j t k rC qCqCn X| | k r| } Pn | t | 7} | j | qCWt | | } d j | } | | | _ d | _ | r | | S| S( NR ii ( R N( R R R R R R9 Ri R R R R Rt t joinR R Rb ( R Rd t nodata_valt empty_valuesR RL t chunkst current_sizet chunkt et availt wantedt out( ( s /usr/lib64/python2.7/_pyio.pyR sX i c C s! | j | j | SWd QXd S( u Returns buffered bytes without advancing the position. The argument indicates a desired minimal number of bytes; we do at most one raw read to satisfy it. We never return more than self.buffer_size. N( R t _peek_unlocked( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR` s c C s t | | j } t | j | j } | | k s@ | d k r | j | } xO t r y | j j | } Wn+ t k r } | j t k rP qP qP n XPqP W| r | j | j | | _ d | _ q n | j | j S( Ni ( Rb R R R R R R9 Ri R R R ( R Rd t wantt havet to_readt currentR ( ( s /usr/lib64/python2.7/_pyio.pyR s c C sr | d k r t d n | d k r+ d S| j 8 | j d | j t | t | j | j SWd QXd S( u9 Reads up to n bytes, with at most one read() system call.i u( number of bytes to read must be positiveR i N( R R R R Rb R R R ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s! t j | t | j | j S( N( R RO R R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRO s c C s d | k o d k n s+ t d n | j Q | d k r^ | t | j | j 8} n t j | | | } | j | SWd QXd S( Ni i u invalid whence valuei ( R R R R R R RN R ( R RL RM ( ( s /usr/lib64/python2.7/_pyio.pyRN s N( R R R R R R R Ri R R` R R RO RN ( ( ( s /usr/lib64/python2.7/_pyio.pyR) s 8 R( c B s_ e Z d Z d Z e d d Z d Z d d Z d Z d Z d Z d d Z RS( u A buffer for a writeable sequential RawIO object. The constructor creates a BufferedWriter for the given writeable raw stream. If the buffer_size is not given, it defaults to DEFAULT_BUFFER_SIZE. i c C s | j s t d n t j | | | d k rF t d n | d k rk t j d t | j n | | _ t | _ t | _ d S( Nu "raw" argument must be writable.i u invalid buffer sizeu max_buffer_size is deprecated( R[ R R R R R t warningst warnt DeprecationWarningt _warning_stack_offsetR Rh t _write_bufR t _write_lock( R R9 R t max_buffer_size( ( s /usr/lib64/python2.7/_pyio.pyR ) s c C sJ | j r t d n t | t r6 t d n | j t | j | j k re | j n t | j } | j j | t | j | } t | j | j k r<y | j Wq<t k r8} t | j | j k r9t | j | j } | | 8} | j | j | _ t | j | j | q9q<Xn | SWd QXd S( Nu write to closed fileu$ can't write unicode to binary stream( R] R R R R R R R R t _flush_unlockedR R R R ( R Rm t beforet writtenR t overage( ( s /usr/lib64/python2.7/_pyio.pyRx 8 s( "c C sL | j = | j | d k r2 | j j } n | j j | SWd QXd S( N( R R R R9 RO RP ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP T s c C s | j | j Wd QXd S( N( R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRR [ s c C s | j r t d n x | j r y | j j | j } WnG t k r\ t d n+ t k r } | j t k r q q n X| d k r t t j d d n | t | j k s | d k r t d n | j | 4q Wd S( Nu flush of closed fileuH self.raw should implement RawIOBase: it should not raise BlockingIOErroru) write could not complete without blockingi u* write() returned incorrect number of bytes( R] R R R9 Rx R t RuntimeErrorR R R R t EAGAINR ( R Rd R ( ( s /usr/lib64/python2.7/_pyio.pyR _ s$ !c C s t j | t | j S( N( R RO R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRO t s i c C s\ d | k o d k n s+ t d n | j " | j t j | | | SWd QXd S( Ni i u invalid whence( R R R R RN ( R RL RM ( ( s /usr/lib64/python2.7/_pyio.pyRN w s N( R R R R R R R Rx RP RR R RO RN ( ( ( s /usr/lib64/python2.7/_pyio.pyR( s t BufferedRWPairc B s e Z d Z e d d Z d d Z d Z d Z d d Z d Z d Z d Z d Z d Z d Z e d Z RS( u A buffered reader and writer object together. A buffered reader object and buffered writer object put together to form a sequential IO object that can read and write. This is typically used with a socket or two-way pipe. reader and writer are RawIOBase objects that are readable and writeable respectively. If the buffer_size is omitted it defaults to DEFAULT_BUFFER_SIZE. c C s | d k r" t j d t d n | j s= t d n | j sX t d n t | | | _ t | | | _ d S( uE Constructor. The arguments are two RawIO instances. u max_buffer_size is deprecatedi u# "reader" argument must be readable.u# "writer" argument must be writable.N( R R R R RY R R[ R) t readerR( t writer( R R R R R ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s% | d k r d } n | j j | S( Ni( R R Ri ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyRi s c C s | j j | S( N( R R ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j j | S( N( R Rx ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyRx s i c C s | j j | S( N( R R` ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR` s c C s | j j | S( N( R R ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j j S( N( R RY ( R ( ( s /usr/lib64/python2.7/_pyio.pyRY s c C s | j j S( N( R R[ ( R ( ( s /usr/lib64/python2.7/_pyio.pyR[ s c C s | j j S( N( R RR ( R ( ( s /usr/lib64/python2.7/_pyio.pyRR s c C s | j j | j j d S( N( R RT R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRT s c C s | j j p | j j S( N( R R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j j S( N( R R] ( R ( ( s /usr/lib64/python2.7/_pyio.pyR] s N( R R R R R R Ri R Rx R` R RY R[ RR RT R R} R] ( ( ( s /usr/lib64/python2.7/_pyio.pyR s R' c B sw e Z d Z d Z e d d Z d d Z d Z d d Z d d Z d Z d d Z d Z d Z RS( u A buffered interface to random access streams. The constructor creates a reader and writer for a seekable stream, raw, given in the first argument. If the buffer_size is omitted it defaults to DEFAULT_BUFFER_SIZE. i c C s7 | j t j | | | t j | | | | d S( N( RX R) R R( ( R R9 R R ( ( s /usr/lib64/python2.7/_pyio.pyR s i c C s d | k o d k n s+ t d n | j | j rt | j ( | j j | j t | j d Wd QXn | j j | | } | j | j Wd QX| d k r t d n | S( Ni i u invalid whencei u seek() returned invalid position( R RR R R R9 RN R R R R ( R RL RM ( ( s /usr/lib64/python2.7/_pyio.pyRN s , c C s' | j r t j | St j | Sd S( N( R R( RO R) ( R ( ( s /usr/lib64/python2.7/_pyio.pyRO s c C s+ | d k r | j } n t j | | S( N( R RO R( RP ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP s c C s/ | d k r d } n | j t j | | S( Ni( R RR R) Ri ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyRi s c C s | j t j | | S( N( RR R) R ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j t j | | S( N( RR R) R` ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR` s c C s | j t j | | S( N( RR R) R ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyR s c C sY | j rI | j 2 | j j | j t | j d | j Wd QXn t j | | S( Ni ( R R R9 RN R R R R( Rx ( R Rm ( ( s /usr/lib64/python2.7/_pyio.pyRx s #N( R R R R R R R RN RO RP Ri R R` R Rx ( ( ( s /usr/lib64/python2.7/_pyio.pyR' s t TextIOBasec B sn e Z d Z d d Z d Z d d Z d Z d Z e d Z e d Z e d Z RS( u Base class for text I/O. This class provides a character and line based interface to stream I/O. There is no readinto method because Python's character strings are immutable. There is no public constructor. ic C s | j d d S( u Read at most n characters from stream. Read from underlying buffer until we have n characters or we hit EOF. If n is negative or omitted, read until EOF. u readN( RK ( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyRi s c C s | j d d S( u Write string s to stream.u writeN( RK ( R t s( ( s /usr/lib64/python2.7/_pyio.pyRx ! s c C s | j d d S( u Truncate size to pos.u truncateN( RK ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP % s c C s | j d d S( u_ Read until newline or EOF. Returns an empty string if EOF is hit immediately. u readlineN( RK ( R ( ( s /usr/lib64/python2.7/_pyio.pyRn ) s c C s | j d d S( u Separate the underlying buffer from the TextIOBase and return it. After the underlying buffer has been detached, the TextIO is in an unusable state. u detachN( RK ( R ( ( s /usr/lib64/python2.7/_pyio.pyR 0 s c C s d S( u Subclasses should override.N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR. 9 s c C s d S( u Line endings translated so far. Only line endings translated during reading are considered. Subclasses should override. N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyt newlines> s c C s d S( uM Error setting of the decoder or encoder. Subclasses should override.N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR/ H s N( R R R Ri Rx R RP Rn R R} R. R R/ ( ( ( s /usr/lib64/python2.7/_pyio.pyR s t IncrementalNewlineDecoderc B sb e Z d Z d d Z e d Z d Z d Z d Z d Z d Z d Z e d Z RS( u+ Codec used when reading a file in universal newlines mode. It wraps another incremental decoder, translating \r\n and \r into \n. It also records the types of newlines encountered. When used with translate=False, it ensures that the newline sequence is returned in one piece. u strictc C s> t j j | d | | | _ | | _ d | _ t | _ d S( NR/ i ( t codecst IncrementalDecoderR t translatet decodert seennlR t pendingcr( R R R R/ ( ( s /usr/lib64/python2.7/_pyio.pyR Y s c C s4 | j d k r | } n | j j | d | } | j r[ | sE | r[ d | } t | _ n | j d r | r | d } t | _ n | j d } | j d | } | j d | } | j | o | j | o | j B| o | j BO_ | j r0| r| j d d } n | r0| j d d } q0n | S( Nt finalu iu u ( R R t decodeR R Rj R t countR t _LFt _CRt _CRLFR t replace( R t inputR t outputt crlft crt lf( ( s /usr/lib64/python2.7/_pyio.pyR ` s( + c C s] | j d k r d } d } n | j j \ } } | d K} | j rS | d O} n | | f S( NR i i ( R R t getstateR ( R R t flag( ( s /usr/lib64/python2.7/_pyio.pyR s c C sO | \ } } t | d @ | _ | j d k rK | j j | | d ?f n d S( Ni ( t boolR R R t setstate( R t stateR R ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s5 d | _ t | _ | j d k r1 | j j n d S( Ni ( R R R R R t reset( R ( ( s /usr/lib64/python2.7/_pyio.pyR s i i i c C s# d d d d d d d d f | j S( Nu u u ( u u ( u u ( u u ( u u u ( R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR s ( R R R R R R R R R R R R R} R ( ( ( s /usr/lib64/python2.7/_pyio.pyR R s R* c B s e Z d Z d Z d# d# d# e d Z d Z e d Z e d Z e d Z e d Z d Z d Z d Z d Z d Z e d Z e d Z d Z d Z d Z d Z d Z d Z d# d Z d Z d Z d d d d d Z d Z d Z d# d Z d Z! d d Z" d# d Z# d Z$ d# d! Z% e d" Z& RS($ u Character and line based layer over a BufferedIOBase object, buffer. encoding gives the name of the encoding that the stream will be decoded or encoded with. It defaults to locale.getpreferredencoding. errors determines the strictness of encoding and decoding (see the codecs.register) and defaults to "strict". newline can be None, '', '\n', '\r', or '\r\n'. It controls the handling of line endings. If it is None, universal newlines is enabled. With this enabled, on input, the lines endings '\n', '\r', or '\r\n' are translated to '\n' before being returned to the caller. Conversely, on output, '\n' is translated to the system default line separator, os.linesep. If newline is any other of its legal values, that newline becomes the newline when the file is read and it is returned untranslated. On output, '\n' is converted to the newline. If line_buffering is True, a call to flush is implied when a call to write contains a newline character. i c C s | d k r8 t | t r8 t d t | f n | d k rZ t d | f n | d k r y d d l } Wn t k r d } q X| j } n t | t s t d | n | d k r d } n" t | t s t d | n | | _ | | _ | | _ | | _ | | _ | d k | _ | | _ | d k | _ | pYt j | _ d | _ d | _ d | _ d | _ d | _ | j j | _ | _ | j r| j r| j j } | d k ry | j j d Wqt! k rqXqn d S( Nu illegal newline type: %ru u u u u illegal newline value: %riu asciiu invalid encoding: %ru strictu invalid errors: %ri ( Nu u u u (" R R R R R R t localet ImportErrort getpreferredencodingR t _line_bufferingt _encodingt _errorst _readuniversalt _readtranslatet _readnlt _writetranslateR! t linesept _writenlt _encodert _decodert _decoded_charst _decoded_chars_usedt _snapshotR< RV t _seekablet _tellingR[ RO t _get_encoderR t LookupError( R R< R. R/ R0 R: R t position( ( s /usr/lib64/python2.7/_pyio.pyR sL c C sE y | j } Wn t k r- d j | j SXd j | | j Sd S( Nu$ <_pyio.TextIOWrapper encoding='{0}'>u/ <_pyio.TextIOWrapper name={0!r} encoding='{1}'>( RJ R& R R. ( R RJ ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j S( N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR. s c C s | j S( N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR/ s c C s | j S( N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR: s c C s | j S( N( R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR< s c C s | j r t d n | j S( Nu I/O operation on closed file.( R] R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRV s c C s | j j S( N( R< RY ( R ( ( s /usr/lib64/python2.7/_pyio.pyRY s c C s | j j S( N( R< R[ ( R ( ( s /usr/lib64/python2.7/_pyio.pyR[ s c C s | j j | j | _ d S( N( R< RR R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyRR s c C s? | j d k r; | j r; z | j Wd | j j Xn d S( N( R< R R] RR RT ( R ( ( s /usr/lib64/python2.7/_pyio.pyRT # s c C s | j j S( N( R< R] ( R ( ( s /usr/lib64/python2.7/_pyio.pyR] * s c C s | j j S( N( R< RJ ( R ( ( s /usr/lib64/python2.7/_pyio.pyRJ . s c C s | j j S( N( R< R# ( R ( ( s /usr/lib64/python2.7/_pyio.pyR# 2 s c C s | j j S( N( R< R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR 5 s c C s" | j r t d n t | t s@ t d | j j n t | } | j s^ | j og d | k } | r | j r | j d k r | j d | j } n | j p | j } | j | } | j j | | j r | s d | k r | j n d | _ | j r | j j n | S( Nu write to closed fileu can't write %s to text streamu u ( R] R R R R RI R R R R R R R R t encodeR< Rx RR R R R R ( R R t lengtht haslft encoderRm ( ( s /usr/lib64/python2.7/_pyio.pyRx 8 s$ c C s+ t j | j } | | j | _ | j S( N( R t getincrementalencoderR R R ( R t make_encoder( ( s /usr/lib64/python2.7/_pyio.pyR M s c C sL t j | j } | | j } | j r? t | | j } n | | _ | S( N( R t getincrementaldecoderR R R R R R ( R t make_decoderR ( ( s /usr/lib64/python2.7/_pyio.pyt _get_decoderR s c C s | | _ d | _ d S( u Set the _decoded_chars buffer.i N( R R ( R t chars( ( s /usr/lib64/python2.7/_pyio.pyt _set_decoded_chars] s c C sR | j } | d k r% | j | } n | j | | | !} | j t | 7_ | S( u' Advance into the _decoded_chars buffer.N( R R R R ( R Rd t offsetR ( ( s /usr/lib64/python2.7/_pyio.pyt _get_decoded_charsb s c C s1 | j | k r t d n | j | 8_ d S( u! Rewind the _decoded_chars buffer.u" rewind decoded_chars out of boundsN( R t AssertionError( R Rd ( ( s /usr/lib64/python2.7/_pyio.pyt _rewind_decoded_charsl s c C s | j d k r t d n | j r? | j j \ } } n | j j | j } | } | j | j j | | | j r | | | f | _ n | S( uQ Read and decode the next chunk of data from the BufferedReader. u no decoderN( R R R R R R< R t _CHUNK_SIZER R R ( R t dec_buffert dec_flagst input_chunkt eof( ( s /usr/lib64/python2.7/_pyio.pyt _read_chunkr s i c C s* | | d >B| d >B| d >Bt | d >BS( Ni@ i i i ( R ( R R R t bytes_to_feedt need_eoft chars_to_skip( ( s /usr/lib64/python2.7/_pyio.pyt _pack_cookie s c C sg t | d \ } } t | d \ } } t | d \ } } t | d \ } } | | | | | f S( Ni i@ l l l l ( t divmod( R t bigintt restR R R R R ( ( s /usr/lib64/python2.7/_pyio.pyt _unpack_cookie s c C s | j s t d n | j s0 t d n | j | j j } | j } | d k sm | j d k r | j r t d n | S| j \ } } | t | 8} | j } | d k r | j | | S| j } z$| j d | f | } | d d } } } d } x | D] } | d 7} | t | j | 7} | j \ } } | r| | k r| | 7} | | 8} | d d } } } n | | k rPqqW| t | j d d t 7} d } | | k rt d n | j | | | | | SWd | j | Xd S( Nu! underlying stream is not seekableu( telling position disabled by next() callu pending decoded texti R i R u' can't reconstruct logical file position( R R R RR R< RO R R R R R R R R R R R R ( R R R R t next_inputR t saved_statet start_post start_flagst bytes_fedt chars_decodedR t next_byteR ( ( s /usr/lib64/python2.7/_pyio.pyRO sN c C s5 | j | d k r% | j } n | j j | S( N( RR R RO R< RP ( R RL ( ( s /usr/lib64/python2.7/_pyio.pyRP s c C s> | j d k r t d n | j | j } d | _ | S( Nu buffer is already detached( R< R R RR R ( R R< ( ( s /usr/lib64/python2.7/_pyio.pyR s c C s | j r t d n | j s0 t d n | d k rl | d k rW t d n d } | j } n | d k r | d k r t d n | j | j j d d } | j d d | _ | j r | j j n | S| d k rt d | f n | d k r)t d | f n | j | j | \ } } } } } | j j | | j d d | _ | d k r| j r| j j nU | j s| s| r| j p| j | _ | j j d | f | d f | _ n | rd| j j | } | j | j j | | | | f | _ t | j | k rXt d n | | _ n y | j py| j } Wn t k rn' X| d k r| j d n | j | S( Nu tell on closed fileu! underlying stream is not seekablei i u# can't do nonzero cur-relative seeksi u# can't do nonzero end-relative seeksu u( invalid whence (%r, should be 0, 1 or 2)u negative seek position %rR u# can't restore logical file position( R] R R R RO RR R< RN R R R R R R R R Ri R R R R R R R ( R t cookieRM R R R R R R R R ( ( s /usr/lib64/python2.7/_pyio.pyRN sf c C s | j | d k r d } n | j p1 | j } y | j Wn t k r^ t d n X| d k r | j | j | j j d t } | j d d | _ | St } | j | } xG t | | k r | r | j } | | j | t | 7} q W| Sd S( Niu an integer is requiredi R u ( RZ R R R R R& R R R R< Ri R R R R R R ( R Rd R t resultR ( ( s /usr/lib64/python2.7/_pyio.pyRi 9 s( !c C s= t | _ | j } | s9 d | _ | j | _ t n | S( N( R R Rn R R R Rp ( R Rq ( ( s /usr/lib64/python2.7/_pyio.pyRr R s c C s | j r t d n | d k r- d } n$ t | t t f sQ t d n | j } d } | j sy | j n d } } xt rH| j r | j d | } | d k r | d } Pqt | } n | j r| j d | } | j d | } | d k r2| d k r$t | } q| d } Pq| d k rL| d } Pq| | k rf| d } Pq| | d k r| d } Pq| d } Pn5 | j | j } | d k r| t | j } Pn | d k rt | | k r| } Pn x | j r| j rPqqW| j r+| | j 7} q | j d d | _ | Sq W| d k rj| | k rj| } n | j t | | | | S( Nu read from closed fileiu limit must be an integeri u i u i u ( R] R R R R R R R R R R R Ra R R R R R R R R ( R Re Rq t startRL t endpost nlpost crpos( ( s /usr/lib64/python2.7/_pyio.pyRn [ sp c C s | j r | j j Sd S( N( R R R ( R ( ( s /usr/lib64/python2.7/_pyio.pyR s N(' R R R R R R R R R} R. 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