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   
30 -def getlanguage(code):
31 """This returns a language class. 32 33 @param code: The ISO 639 language code 34 """ 35 if code: 36 code = code.replace("-", "_").replace("@", "_").lower() 37 try: 38 try: 39 if code is None: 40 raise ImportError("Can't determine language code") 41 exec("from translate.lang import %s" % code) 42 exec("langclass = %s.%s" % (code, code)) 43 return langclass(code) 44 except SyntaxError, e: 45 # Someone is probably trying to import a language of which the code 46 # is a reserved word in python (like Icelandic (is) / Oriya (or)) 47 # The convention to handle these is to have it in a file like 48 # code_is, for example. 49 exec("from translate.lang import %s%s" % (prefix, code)) 50 exec("langclass = %s%s.%s%s" % (prefix, code, prefix, code)) 51 return langclass(code) 52 except ImportError, e: 53 if code and code.startswith(prefix): 54 code = code[:len(prefix)] 55 simplercode = data.simplercode(code) 56 if simplercode: 57 relatedlanguage = getlanguage(simplercode) 58 if isinstance(relatedlanguage, common.Common): 59 relatedlanguage = relatedlanguage.__class__(code) 60 return relatedlanguage 61 else: 62 return common.Common(code)
63