code: def module2uri(self, module_name):
          
          assert module_name.startswith(self.module_prefix), 'incompatible module name'
          path = module_name[len(self.module_prefix):]
          path = path.replace('&#DOT', '.')
          return path.replace('&#SEP', os.sep)
docs: Convert an encoded module name to an unencoded source uri