(wire_type, format)
return _SimpleDecoder(wire_type, InnerDecode)
Return a constructor for a decoder for a fixed-width field.

  Args:
      wire_type:  The field's wire type.
      format:  The format string to pass to struct.unpack().
Return a constructor for a decoder for a fixed-width field.
Return a constructor for a decoder for a fixed - width field .
def _StructPackDecoder(wire_type, format):
  """Return a constructor for a decoder for a fixed-width field.

  Args:
      wire_type:  The field's wire type.
      format:  The format string to pass to struct.unpack().
  """

  value_size = struct.calcsize(format)
  local_unpack = struct.unpack

  # Reusing _SimpleDecoder is slightly slower than copying a bunch of code, but
  # not enough to make a significant difference.

  # Note that we expect someone up-stack to catch struct.error and convert
  # it to _DecodeError -- this way we don't have to set up exception-
  # handling blocks every time we parse one value.

  def InnerDecode(buffer, pos):
    new_pos = pos + value_size
    result = local_unpack(format, buffer[pos:new_pos])[0]
    return (result, new_pos)
  return _SimpleDecoder(wire_type, InnerDecode)
def _StructPackDecoder ( wire_type , format ) : value_size = struct . calcsize ( format ) local_unpack = struct . unpack # Reusing _SimpleDecoder is slightly slower than copying a bunch of code, but # not enough to make a significant difference. # Note that we expect someone up-stack to catch struct.error and convert # it to _DecodeError -- this way we don't have to set up exception- # handling blocks every time we parse one value. def InnerDecode ( buffer , pos ) : new_pos = pos + value_size result = local_unpack ( format , buffer [ pos : new_pos ] ) [ 0 ] return ( result , new_pos ) return _SimpleDecoder ( wire_type , InnerDecode )