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� �[�Rc @ s d Z d d l Z d d l Z d d l Z d d l Z d d l Z e Z e j d k rd � Z d � Z y d d l Z d Z d Z e j j j Z d � Z e j j j Z e j j j Z e j j j Z e j j j Z e Z d � Z Wn e k r� n Xd � Z n e j Z e Z d S( s� werkzeug.posixemulation ~~~~~~~~~~~~~~~~~~~~~~~ Provides a POSIX emulation for some features that are relevant to web applications. The main purpose is to simplify support for systems such as Windows NT that are not 100% POSIX compatible. Currently this only implements a :func:`rename` function that follows POSIX semantics. Eg: if the target file already exists it will be replaced without asking. This module was introduced in 0.6.1 and is not a public interface. It might become one in later versions of Werkzeug. :copyright: (c) 2014 by the Werkzeug Team, see AUTHORS for more details. :license: BSD, see LICENSE for more details. i����Nt ntc C s t S( N( t False( t srct dst( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyt <lambda> s c C s t S( N( R ( R R ( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyR s i i c C s� t | t � s' t | t j � � } n t | t � sN t | t j � � } n t | | � ra t Sd } t } xM | r� | d k r� t | | t t B� } | sp t j d � | d 7} qp qp W| S( Ni id g����MbP?i ( t isinstancet unicodet syst getfilesystemencodingt _rename_atomict TrueR t _MoveFileExt _MOVEFILE_REPLACE_EXISTINGt _MOVEFILE_WRITE_THROUGHt timet sleep( R R t retryt rv( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyt _rename' s c C s� t d d d d d d d � } | d k r. t Szz d } t } xc | r� | d k r� t | | d d t t B| � } | r� t | � } Pq@ t j d � | d 7} q@ W| SWd t | � Xd S( Ni i� s Werkzeug renamei����id g����MbP?i ( t _CreateTransactiont NoneR t _MoveFileTransactedR R t _CommitTransactionR R t _CloseHandle( R R t taR R ( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyR ? s" c C s� t | | � r d Sy t j | | � Wn� t k r� } | j t j k rQ � n d | t j d t j � f } t j | | � t j | | � y t j | � Wq� t k r� q� Xn Xd S( Ns %s-%08xi ( R t ost renamet OSErrort errnot EEXISTt randomt randintR t maxintt unlinkt Exception( R R t et old( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyR V s ( t __doc__R R R R R R t can_rename_open_filet nameR R t ctypesR R t windllt kernel32t MoveFileExWR t ktmw32t CreateTransactionR t CommitTransactionR t MoveFileTransactedWR t CloseHandleR R R" R ( ( ( sF /opt/imh-python/lib/python2.7/site-packages/werkzeug/posixemulation.pyt <module> s4
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