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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_" 2830 """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
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