def modify_edb(self, modifier):
orig_edb = EntityDB.load_from_files(self.dir_old)
altered_edb = EntityDB()
for e in orig_edb.dawg.keys():
types = orig_edb.get_type(e)
for type_ in types:
src, data = type_
needed, e_, data_, src_ = modifier((e, data, src))
if e_ == '':
continue
if needed:
altered_edb.add_entity(e_, data_, src_)
altered_edb.dump_to_files(self.dir_new)
