Package translate :: Package lang :: Module factory
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Source Code for Module translate.lang.factory

 1  #!/usr/bin/env python 
 2  # -*- coding: utf-8 -*- 
 3  #  
 4  # Copyright 2007 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  """This module provides a factory to instantiate language classes.""" 
23   
24  from translate.lang import common 
25  from translate.lang import data 
26   
27  prefix = "code_" 
28   
29 -def getlanguage(code):
30 """This returns a language class. 31 32 @param code: The ISO 639 language code 33 """ 34 if code: 35 code = code.replace("-", "_") 36 try: 37 try: 38 if code is None: 39 raise ImportError ("Can't determine language code") 40 exec("from translate.lang import %s" % code) 41 exec("langclass = %s.%s" % (code, code)) 42 return langclass(code) 43 except SyntaxError, e: 44 # Someone is probably trying to import a language of which the code 45 # is a reserved word in python (like Icelandic (is) / Oriya (or)) 46 # The convention to handle these is to have it in a file like 47 # code_is, for example. 48 exec("from translate.lang import %s%s" % (prefix, code)) 49 exec("langclass = %s%s.%s%s" % (prefix, code, prefix, code)) 50 return langclass(code) 51 except ImportError, e: 52 if code and code.startswith(prefix): 53 code = code[:len(prefix)] 54 simplercode = data.simplercode(code) 55 if simplercode: 56 relatedlanguage = getlanguage(simplercode) 57 if isinstance(relatedlanguage, common.Common): 58 relatedlanguage = relatedlanguage.__class__(code) 59 return relatedlanguage 60 else: 61 return common.Common(code)
62