← Back
Editing: posixfile.pyc
� z fc @ sf d Z d d l Z e j d e d � d d d � � YZ d d d � Z d � Z d Z d Z d Z d S( s: Extended file operations available in POSIX. f = posixfile.open(filename, [mode, [bufsize]]) will create a new posixfile object f = posixfile.fileopen(fileobject) will create a posixfile object from a builtin file object f.file() will return the original builtin file object f.dup() will return a new file object based on a new filedescriptor f.dup2(fd) will return a new file object based on the given filedescriptor f.flags(mode) will turn on the associated flag (merge) mode can contain the following characters: (character representing a flag) a append only flag c close on exec flag n no delay flag s synchronization flag (modifiers) ! turn flags 'off' instead of default 'on' = copy flags 'as is' instead of default 'merge' ? return a string in which the characters represent the flags that are set note: - the '!' and '=' modifiers are mutually exclusive. - the '?' modifier will return the status of the flags after they have been changed by other characters in the mode string f.lock(mode [, len [, start [, whence]]]) will (un)lock a region mode can contain the following characters: (character representing type of lock) u unlock r read lock w write lock (modifiers) | wait until the lock can be granted ? return the first lock conflicting with the requested lock or 'None' if there is no conflict. The lock returned is in the format (mode, len, start, whence, pid) where mode is a character representing the type of lock ('r' or 'w') note: - the '?' modifier prevents a region from being locked; it is query only i����NsI The posixfile module is deprecated; fcntl.lockf() provides better lockingi t _posixfile_c B sh e Z d Z d d g Z d � Z d d d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s; File wrapper class that provides extra POSIX file routines.t opent closedc C s= | j } d | j | j | j | j t t | � � d f S( Ns$ <%s posixfile '%s', mode '%s' at %s>i ( t _file_t statesR t namet modet hext id( t selft file( ( s! /usr/lib64/python2.7/posixfile.pyt __repr__C s t ri����c C s( d d l } | j | j | | | � � S( Ni����( t __builtin__t fileopenR ( R R R t bufsizeR ( ( s! /usr/lib64/python2.7/posixfile.pyR L s c C s� d d l } t t | � � d k r0 t d � n | | _ xZ t | � D]L } | j d � sF t | | � } t | | j � r� t | | | � q� qF qF W| S( Ni����s <type 'file'>s, posixfile.fileopen() arg must be file objectt _( t typest reprt typet TypeErrorR t dirt startswitht getattrt isinstancet BuiltinMethodTypet setattr( R R R t maybemethodt attr( ( s! /usr/lib64/python2.7/posixfile.pyR P s c C s | j S( N( R ( R ( ( s! /usr/lib64/python2.7/posixfile.pyR ` s c C sO d d l } t | d � s' t d � n | j | j | j j � � | j j � S( Ni����t fdopens dup() method unavailable( t posixt hasattrt AttributeErrorR t dupR t filenoR ( R R ( ( s! /usr/lib64/python2.7/posixfile.pyR! c s c C sV d d l } t | d � s' t d � n | j | j j � | � | j | | j j � S( Ni����R s dup() method unavailable( R R R t dup2R R" R R ( R t fdR ( ( s! /usr/lib64/python2.7/posixfile.pyR# k s c G s d d l } d d l } | rI t | � d k r< t d � n | d } n d } d } d | k rq | | j B} n d | k r� | | j B} n d | k r� | | j B} n | j } d | k r| j | j � | j d � } d | k r� | | @} q| | B} n | j | j � | j | � } d | k rZd | k } | j | j � | j | � } n d | k r d } | j | j � | j d � } | j | @r�| d } n | j | j � | j d � d @r�| d } n | j | @r�| d } n | j | @r| d } n | Sd S( Ni����i s Too many argumentsi t ?t nt at st =t !t ct ( t fcntlt ost lenR t O_NDELAYt O_APPENDt O_SYNCR R" t F_GETFLt F_SETFLt F_SETFDt F_GETFD( R t whichR- R. t l_flagsR t cur_flt arg( ( s! /usr/lib64/python2.7/posixfile.pyt flagst sF ! " c G s d d l } d d l } d | k r0 | j } n9 d | k rH | j } n! d | k r` | j } n t d � d | k r� | j } n! d | k r� | j } n | j } d } d } d } t | � d k r� | d } nc t | � d k r� | \ } } nB t | � d k r| \ } } } n t | � d k r6t d � n d d l } d d l } | j d k r�| j d | | | j � | | � } nW | j d k r�| j d | | | | d d d � } n! | j d | | | | d d � } | j | j j � | | � } d | k r| j d! k r8| j d | � \ } } } } } n� | j d" k rq| j d | � \ } } } } } } } nZ | j d k r�| j d | � \ } } } } } } n$ | j d | � \ } } } } } } | | j k r| | j k r�d | | | | f Sd | | | | f Sqn d S(# Ni����t wR t us no type of lock specifiedt |R% i i i i s too many argumentst netbsd1t openbsd2t freebsd2t freebsd3t freebsd4t freebsd5t freebsd6t freebsd7t freebsd8t bsdos2t bsdos3t bsdos4t lxxxxlxxxxlhht aix3t aix4t hhllliit hhllhht linux2( R? R@ RA RB RC RD RE RF RG RH RI RJ ( RL RM ( R? R@ RA RB RC RD RH RI RJ ( RL RM ( t structR- t F_WRLCKt F_RDLCKt F_UNLCKR t F_SETLKWt F_GETLKt F_SETLKR/ t sysR. t platformt packt getpidR R" t unpack( R t howt argsRQ R- t l_typet cmdt l_whencet l_startt l_lenRX R. t flockt l_pidt l_sysidt l_vfs( ( s! /usr/lib64/python2.7/posixfile.pyt lock� sj $*'$( t __name__t __module__t __doc__R R R R R R! R# R; Rh ( ( ( s! /usr/lib64/python2.7/posixfile.pyR ; s %R c C s t � j | | | � S( s4 Public routine to open a file as a posixfile object.( R R ( R R R ( ( s! /usr/lib64/python2.7/posixfile.pyR � s c C s t � j | � S( sC Public routine to get a posixfile object from a Python file object.( R R ( R ( ( s! /usr/lib64/python2.7/posixfile.pyR � s i i ( ( Rk t warningst warnt DeprecationWarningR R R t SEEK_SETt SEEK_CURt SEEK_END( ( ( s! /usr/lib64/python2.7/posixfile.pyt <module>6 s �
Save File
Cancel