Package translate :: Package convert :: Module rc2po

[hide private]
[frames] | no frames]

# 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