code: def skipall(stm, size):
      
      res = stm.recv(size)
      if len(res) == size:
          return
      elif len(res) == 0:
          raise ClosedConnectionError()
      left = size - len(res)
      while left:
          buf = stm.recv(left)
          if len(buf) == 0:
              raise ClosedConnectionError()
          left -= len(buf)
docs: Skips exactly size bytes in stm
  
      If EOF is reached before size bytes are skipped
      will raise :class:`ClosedConnectionError`
  
      :param stm: Stream to skip bytes in, should have read method
                  this read method can return less than requested
                  number of bytes.
      :param size: Number of bytes to skip.