def convertelement(self, theoo):
     """convert an oo element into a list of base units (.po or XLIFF)"""
     if self.sourcelanguage in theoo.languages:
         part1 = theoo.languages[self.sourcelanguage]
     else:
         logging.error("/".join(theoo.lines[0].getkey()) +
                       "language not found: %s", self.sourcelanguage)
         return []
     if self.blankmsgstr:
         # use a blank part2
         part2 = oo.ooline()
     else:
         if self.targetlanguage in theoo.languages:
             part2 = theoo.languages[self.targetlanguage]
         else:
             # if the language doesn't exist, the translation is missing ... so make it blank
             part2 = oo.ooline()
     if "x-comment" in theoo.languages:
         translators_comment = theoo.languages["x-comment"]
     else:
         translators_comment = oo.ooline()
     key = oo.makekey(part1.getkey(), self.long_keys)
     unitlist = []
     for subkey in ("text", "quickhelptext", "title"):
         unit = self.maketargetunit(part1, part2, translators_comment, key, subkey)
         if unit is not None:
             unitlist.append(unit)
     return unitlist

def test_makekey():
    """checks the makekey function for consistency"""
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', 'resourcetype', 'GROUP_ID', 'LOCAL_ID', 'platform'), False) == "sourcefile.src#GROUP_ID.LOCAL_ID.resourcetype"
    # Testwith long_key i.e. used in multifile options
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', 'resourcetype', 'GROUP_ID', 'LOCAL_ID', 'platform'), True) == "project/path/to/the/sourcefile.src#GROUP_ID.LOCAL_ID.resourcetype"
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', 'resourcetype', 'GROUP_ID', '', 'platform'), False) == "sourcefile.src#GROUP_ID.resourcetype"
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', 'resourcetype', '', 'LOCAL_ID', 'platform'), False) == "sourcefile.src#LOCAL_ID.resourcetype"
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', '', 'GROUP_ID', 'LOCAL_ID', 'platform'), False) == "sourcefile.src#GROUP_ID.LOCAL_ID"
    assert oo.makekey(('project', r'path\to\the\sourcefile.src', '', 'GROUP_ID', '', 'platform'), False) == "sourcefile.src#GROUP_ID"

 def makeindex(self):
     """makes an index of the oo keys that are used in the source file"""
     self.index = {}
     for ookey, theoo in self.o.ookeys.iteritems():
         sourcekey = oo.makekey(ookey, self.long_keys)
         self.index[sourcekey] = theoo