Package translate :: Package convert :: Module rc2po
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Source Code for Module translate.convert.rc2po

  1  #!/usr/bin/env python 
  2  # -*- coding: utf-8 -*- 
  3  # 
  4  # Copyright 2007-2009 Zuza Software Foundation 
  5  # 
  6  # This file is part of the Translate Toolkit. 
  7  # 
  8  # This program 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  # This program 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 this program; if not, see <http://www.gnu.org/licenses/>. 
 20   
 21  """convert .rc files to Gettext PO localization files""" 
 22   
 23  import sys 
 24  from translate.storage import po 
 25  from translate.storage import rc 
 26   
27 -class rc2po:
28 """Convert a .rc file to a .po file for handling the translation.""" 29
30 - def convert_store(self, input_store, duplicatestyle="msgctxt"):
31 """converts a .rc file to a .po file...""" 32 output_store = po.pofile() 33 output_header = output_store.init_headers(charset="UTF-8", encoding="8bit") 34 output_header.addnote("extracted from %s" % input_store.filename, "developer") 35 for input_unit in input_store.units: 36 output_unit = self.convert_unit(input_unit, "developer") 37 if output_unit is not None: 38 output_store.addunit(output_unit) 39 output_store.removeduplicates(duplicatestyle) 40 return output_store
41
42 - def merge_store(self, template_store, input_store, blankmsgstr=False, duplicatestyle="msgctxt"):
43 """converts two .rc files to a .po file...""" 44 output_store = po.pofile() 45 output_header = output_store.init_headers(charset="UTF-8", encoding="8bit") 46 output_header.addnote("extracted from %s, %s" % (template_store.filename, input_store.filename), "developer") 47 input_store.makeindex() 48 for template_unit in template_store.units: 49 origpo = self.convert_unit(template_unit, "developer") 50 # try and find a translation of the same name... 51 template_unit_name = "".join(template_unit.getlocations()) 52 if template_unit_name in input_store.locationindex: 53 translatedrc = input_store.locationindex[template_unit_name] 54 translatedpo = self.convert_unit(translatedrc, "translator") 55 else: 56 translatedpo = None 57 # if we have a valid po unit, get the translation and add it... 58 if origpo is not None: 59 if translatedpo is not None and not blankmsgstr: 60 origpo.target = translatedpo.source 61 output_store.addunit(origpo) 62 elif translatedpo is not None: 63 print >> sys.stderr, "error converting original rc definition %s" % template_unit.name 64 output_store.removeduplicates(duplicatestyle) 65 return output_store
66
67 - def convert_unit(self, input_unit, commenttype):
68 """Converts a .rc unit to a .po unit. Returns None if empty 69 or not for translation.""" 70 if input_unit is None: 71 return None 72 # escape unicode 73 output_unit = po.pounit(encoding="UTF-8") 74 output_unit.addlocation("".join(input_unit.getlocations())) 75 output_unit.source = input_unit.source 76 output_unit.target = "" 77 return output_unit
78
79 -def convertrc(input_file, output_file, template_file, pot=False, duplicatestyle="msgctxt", charset=None, lang=None, sublang=None):
80 """reads in input_file using rc, converts using rc2po, writes to output_file""" 81 input_store = rc.rcfile(input_file, lang, sublang, encoding=charset) 82 convertor = rc2po() 83 if template_file is None: 84 output_store = convertor.convert_store(input_store, duplicatestyle=duplicatestyle) 85 else: 86 template_store = rc.rcfile(template_file, lang, sublang, encoding=charset) 87 output_store = convertor.merge_store(template_store, input_store, blankmsgstr=pot, duplicatestyle=duplicatestyle) 88 if output_store.isempty(): 89 return 0 90 output_file.write(str(output_store)) 91 return 1
92
93 -def main(argv=None):
94 from translate.convert import convert 95 formats = {"rc": ("po", convertrc), ("rc", "rc"): ("po", convertrc), 96 "nls": ("po", convertrc), ("nls", "nls"): ("po", convertrc)} 97 parser = convert.ConvertOptionParser(formats, usetemplates=True, usepots=True, description=__doc__) 98 DEFAULTCHARSET = "cp1252" 99 parser.add_option("", "--charset", dest="charset", default=DEFAULTCHARSET, 100 help="charset to use to decode the RC files (default: %s)" % DEFAULTCHARSET, metavar="CHARSET") 101 DEFAULTLANG = "LANG_ENGLISH" 102 parser.add_option("-l", "--lang", dest="lang", default=DEFAULTLANG, 103 help="LANG entry (default: %s)" % DEFAULTLANG, metavar="LANG") 104 DEFAULTSUBLANG = "SUBLANG_DEFAULT" 105 parser.add_option("", "--sublang", dest="sublang", default=DEFAULTSUBLANG, 106 help="SUBLANG entry (default: %s)" % DEFAULTSUBLANG, metavar="SUBLANG") 107 parser.add_duplicates_option() 108 parser.passthrough.append("pot") 109 parser.passthrough.append("charset") 110 parser.passthrough.append("lang") 111 parser.passthrough.append("sublang") 112 parser.run(argv)
113 114 if __name__ == '__main__': 115 main() 116