code: def title(self):
          
          name = c.namemap_lookup(self.id)
          if name is None:
              name = self._title + " " + client.get_semester_title(self)
              c.namemap_set(self.id, name)
          return secure_filename(name)
docs: The title of the course. If no entry in the namemap of the configuration is found a new entry is created with name=$STUD.IP_NAME + $SEMESTER_NAME