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 - def __init__(self, charset=None):
30 self.charset = charset
31
32 - def convert_store(self, input_store, duplicatestyle="msgctxt"):
33 """converts a .rc file to a .po file...""" 34 output_store = po.pofile() 35 output_header = output_store.makeheader(charset="UTF-8", encoding="8bit") 36 output_header.addnote("extracted from %s" % input_store.filename, "developer") 37 output_store.addunit(output_header) 38 for input_unit in input_store.units: 39 output_unit = self.convert_unit(input_unit, "developer") 40 if output_unit is not None: 41 output_store.addunit(output_unit) 42 output_store.removeduplicates(duplicatestyle) 43 return output_store
44
45 - def merge_store(self, template_store, input_store, blankmsgstr=False, duplicatestyle="msgctxt"):
46 """converts two .rc files to a .po file...""" 47 output_store = po.pofile() 48 output_header = output_store.makeheader(charset="UTF-8", encoding="8bit") 49 output_header.addnote("extracted from %s, %s" % (template_store.filename, input_store.filename), "developer") 50 output_store.addunit(output_header) 51 input_store.makeindex() 52 for template_unit in template_store.units: 53 origpo = self.convert_unit(template_unit, "developer") 54 # try and find a translation of the same name... 55 template_unit_name = "".join(template_unit.getlocations()) 56 if template_unit_name in input_store.locationindex: 57 translatedrc = input_store.locationindex[template_unit_name] 58 translatedpo = self.convert_unit(translatedrc, "translator") 59 else: 60 translatedpo = None 61 # if we have a valid po unit, get the translation and add it... 62 if origpo is not None: 63 if translatedpo is not None and not blankmsgstr: 64 origpo.target = translatedpo.source 65 output_store.addunit(origpo) 66 elif translatedpo is not None: 67 print >> sys.stderr, "error converting original rc definition %s" % origrc.name 68 output_store.removeduplicates(duplicatestyle) 69 return output_store
70
71 - def convert_unit(self, input_unit, commenttype):
72 """Converts a .rc unit to a .po unit. Returns None if empty 73 or not for translation.""" 74 if input_unit is None: 75 return None 76 # escape unicode 77 output_unit = po.pounit(encoding="UTF-8") 78 output_unit.addlocation("".join(input_unit.getlocations())) 79 output_unit.source = input_unit.source.decode(self.charset) 80 output_unit.target = "" 81 return output_unit
82
83 -def convertrc(input_file, output_file, template_file, pot=False, duplicatestyle="msgctxt", charset=None, lang=None, sublang=None):
84 """reads in input_file using rc, converts using rc2po, writes to output_file""" 85 input_store = rc.rcfile(input_file, lang, sublang) 86 convertor = rc2po(charset=charset) 87 if template_file is None: 88 output_store = convertor.convert_store(input_store, duplicatestyle=duplicatestyle) 89 else: 90 template_store = rc.rcfile(template_file, lang, sublang) 91 output_store = convertor.merge_store(template_store, input_store, blankmsgstr=pot, duplicatestyle=duplicatestyle) 92 if output_store.isempty(): 93 return 0 94 output_file.write(str(output_store)) 95 return 1
96
97 -def main(argv=None):
98 from translate.convert import convert 99 formats = {"rc": ("po", convertrc), ("rc", "rc"): ("po", convertrc), 100 "nls": ("po", convertrc), ("nls", "nls"): ("po", convertrc)} 101 parser = convert.ConvertOptionParser(formats, usetemplates=True, usepots=True, description=__doc__) 102 DEFAULTCHARSET = "cp1252" 103 parser.add_option("", "--charset", dest="charset", default=DEFAULTCHARSET, 104 help="charset to use to decode the RC files (default: %s)" % DEFAULTCHARSET, metavar="CHARSET") 105 DEFAULTLANG = "LANG_ENGLISH" 106 parser.add_option("-l", "--lang", dest="lang", default=DEFAULTLANG, 107 help="LANG entry (default: %s)" % DEFAULTLANG, metavar="LANG") 108 DEFAULTSUBLANG = "SUBLANG_DEFAULT" 109 parser.add_option("", "--sublang", dest="sublang", default=DEFAULTSUBLANG, 110 help="SUBLANG entry (default: %s)" % DEFAULTSUBLANG, metavar="SUBLANG") 111 parser.add_duplicates_option() 112 parser.passthrough.append("pot") 113 parser.passthrough.append("charset") 114 parser.passthrough.append("lang") 115 parser.passthrough.append("sublang") 116 parser.run(argv)
117 118 if __name__ == '__main__': 119 main() 120