[Python] Automatically Convert Traditional Chinese PO file to Simplified Chinese

# Chinese translations for PACKAGE package.
# Copyright (C) 2013 THE PACKAGE'S COPYRIGHT HOLDER
# This file is distributed under the same license as the PACKAGE package.
# Automatically generated, 2013.
#
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2013-06-04 10:20+0800\n"
"PO-Revision-Date: 2013-03-10 05:19+0800\n"
"Last-Translator: Automatically generated\n"
"Language-Team: none\n"
"Language: zh_TW\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

msgid "Definition and Meaning"
msgstr "定義與意義"

msgid "Words Start with"
msgstr "單字,開頭為"

msgid "Home"
msgstr "首頁"

msgid "Canon"
msgstr "經典"

msgid "About"
msgstr "關於"

msgid "Setting"
msgstr "設定"

msgid "Translation"
msgstr "翻譯"

#!/usr/bin/env python
# -*- coding:utf-8 -*-

import re
import pyopencc
tw2cn = pyopencc.OpenCC('zht2zhs.ini').convert


if __name__ == '__main__':
  with open("locale/zh_TW/LC_MESSAGES/messages.po", 'r') as ftw:
    with open("locale/zh_CN/LC_MESSAGES/messages.po", "w") as fcn:
      for line in ftw.readlines():
        if 'zh_TW' in line:
          fcn.write(line.replace('zh_TW', 'zh_CN'))
        elif line.startswith('msgstr'):
          try:
            fcn.write(re.sub('msgstr "(.+)"', lambda m: 'msgstr "%s"' % tw2cn(m.group(1)), line))
          except UnicodeEncodeError:
            fcn.write(re.sub('msgstr "(.+)"', lambda m: 'msgstr "%s"' % tw2cn(m.group(1)), line).encode('utf-8'))
        else:
          fcn.write(line)