tools/poswap.py

   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 """Builds a new translation file with the target of the input language as
  23 source language.
  24
  25 Ensure that the two po files correspond 100% to the same pot file before using
  26 this.
  27
  28 To translate Kurdish (ku) through French:
  29     po2swap -i fr/ -t ku -o fr-ku
  30
  31 To convert the fr-ku files back to en-ku:
  32     po2swap --reverse -i fr/ -t fr-ku -o en-ku
  33
  34 See: http://translate.sourceforge.net/wiki/toolkit/poswap for further examples and
  35 usage instructions
  36 """
  37
  38 from translate.storage import po
  39 from translate.convert import convert
  40
  41 def swapdir(store):
  42     """Swap the source and target of each unit."""
  43     for unit in store.units:
  44         if unit.isheader():
  45             continue
  46         if not unit.target or unit.isfuzzy():
  47             unit.target = unit.source
  48         else:
  49             unit.source, unit.target = unit.target, unit.source
  50
  51 def convertpo(inputpofile, outputpotfile, template, reverse=False):
  52     """reads in inputpofile, removes the header, writes to outputpotfile."""
  53     inputpo = po.pofile(inputpofile)
  54     templatepo = po.pofile(template)
  55     if reverse:
  56         swapdir(inputpo)
  57     templatepo.makeindex()
  58     header = inputpo.header()
  59     if header:
  60         inputpo.units = inputpo.units[1:]
  61
  62     for i, unit in enumerate(inputpo.units):
  63         for location in unit.getlocations():
  64             templateunit = templatepo.locationindex.get(location, None)
  65             if templateunit and templateunit.source == unit.source:
  66                 break
  67         else:
  68             templateunit = templatepo.findunit(unit.source)
  69
  70         unit.othercomments = []
  71         if unit.target and not unit.isfuzzy():
  72             unit.source = unit.target
  73         elif not reverse:
  74             if inputpo.filename:
  75                 unit.addnote("No translation found in %s" % inputpo.filename, origin="programmer")
  76             else:
  77                 unit.addnote("No translation found in the supplied source language", origin="programmer")
  78         unit.target = ""
  79         unit.markfuzzy(False)
  80         if templateunit:
  81             unit.addnote(templateunit.getnotes(origin="translator"))
  82             unit.markfuzzy(templateunit.isfuzzy())
  83             unit.target = templateunit.target
  84         if unit.isobsolete():
  85             del inputpo.units[i]
  86     outputpotfile.write(str(inputpo))
  87     return 1
  88
  89 def main(argv=None):
  90     formats = {("po", "po"): ("po", convertpo), ("po", "pot"): ("po", convertpo), "po": ("po", convertpo)}
  91     parser = convert.ConvertOptionParser(formats, usetemplates=True, description=__doc__)
  92     parser.add_option("", "--reverse", dest="reverse", default=False, action="store_true",
  93                     help="reverse the process of intermediate language conversion")
  94     parser.passthrough.append("reverse")
  95     parser.run(argv)
  96
  97 if __name__ == '__main__':
  98     main()
  99