Package translate :: Package misc :: Module context
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Source Code for Module translate.misc.context

 1  #!/usr/bin/env python 
 2  # -*- coding: utf-8 -*- 
 3  # 
 4  # Copyright 2002-2006 Zuza Software Foundation 
 5  #  
 6  # This file is part of translate. 
 7  # 
 8  # translate is free software; you can redistribute it and/or modify 
 9  # it under the terms of the GNU General Public License as published by 
10  # the Free Software Foundation; either version 2 of the License, or 
11  # (at your option) any later version. 
12  #  
13  # translate is distributed in the hope that it will be useful, 
14  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
16  # GNU General Public License for more details. 
17  # 
18  # You should have received a copy of the GNU General Public License 
19  # along with translate; if not, write to the Free Software 
20  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
21  # 
22   
23  import sys 
24   
25 -def with_(mgr, body):
26 """A function to mimic the with statement introduced in Python 2.5 27 28 The code below was taken from http://www.python.org/dev/peps/pep-0343/ 29 """ 30 exit = mgr.__exit__ # Not calling it yet 31 value = mgr.__enter__() 32 exc = True 33 try: 34 try: 35 if isinstance(value, (tuple, list)): 36 return body(*value) 37 else: 38 return body(value) 39 except: 40 # The exceptional case is handled here 41 exc = False 42 if not exit(*sys.exc_info()): 43 raise 44 # The exception is swallowed if exit() returns true 45 finally: 46 # The normal and non-local-goto cases are handled here 47 if exc: 48 exit(None, None, None)
49