code: def _body(self, full_path, environ, file_like):
          
          magic = self._match_magic(full_path)
          if magic is not None:
              return [_encode(s, self.encoding) for s in magic.body(environ,
                                                                    file_like)]
          else:
              way_to_send = environ.get('wsgi.file_wrapper', iter_and_close)
              return way_to_send(file_like, self.block_size)
docs: Return an iterator over the body of the response.