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   
26 -def with_(mgr, body):
27 """A function to mimic the with statement introduced in Python 2.5 28 29 The code below was taken from http://www.python.org/dev/peps/pep-0343/ 30 """ 31 exit = mgr.__exit__ # Not calling it yet 32 value = mgr.__enter__() 33 exc = True 34 try: 35 try: 36 if isinstance(value, (tuple, list)): 37 return body(*value) 38 else: 39 return body(value) 40 except: 41 # The exceptional case is handled here 42 exc = False 43 if not exit(*sys.exc_info()): 44 raise 45 # The exception is swallowed if exit() returns true 46 finally: 47 # The normal and non-local-goto cases are handled here 48 if exc: 49 exit(None, None, None)
50