code: def make_dummy(filename, locale, converter):
      
      if not Path(filename).exists():
          raise IOError('File does not exist: %r' % filename)
      pofile = polib.pofile(filename)
      for msg in pofile:
          # Some strings are actually formatting strings, don't dummy-ify them,
          # or dates will look like "DÀTÉ_TÌMÉ_FÖRMÀT Ⱡ'σ# EST"
          if is_format_message(msg):
              continue
          converter.convert_msg(msg)
  
      pofile.metadata['Language'] = locale
  
      # Apply declaration for English pluralization rules so that ngettext will
      # do something reasonable.
      pofile.metadata['Plural-Forms'] = 'nplurals=2; plural=(n != 1);'
  
      new_file = new_filename(filename, locale)
      new_file.parent.makedirs_p()
      pofile.save(new_file)
      clean_pofile(new_file)
docs: Takes a source po file, reads it, and writes out a new po file
      in :param locale: containing a dummy translation.