Python google.protobuf.internal.encoder.MessageSetItemSizer() Examples

The following are 1 code examples of google.protobuf.internal.encoder.MessageSetItemSizer(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module google.protobuf.internal.encoder , or try the search function .
Example #1
Source File: python_message.py    From botchallenge with MIT License 5 votes vote down vote up 
def _AttachFieldHelpers(cls, field_descriptor):
  is_repeated = (field_descriptor.label == _FieldDescriptor.LABEL_REPEATED)
  is_packed = (field_descriptor.has_options and
               field_descriptor.GetOptions().packed)

  if _IsMessageSetExtension(field_descriptor):
    field_encoder = encoder.MessageSetItemEncoder(field_descriptor.number)
    sizer = encoder.MessageSetItemSizer(field_descriptor.number)
  else:
    field_encoder = type_checkers.TYPE_TO_ENCODER[field_descriptor.type](
        field_descriptor.number, is_repeated, is_packed)
    sizer = type_checkers.TYPE_TO_SIZER[field_descriptor.type](
        field_descriptor.number, is_repeated, is_packed)

  field_descriptor._encoder = field_encoder
  field_descriptor._sizer = sizer
  field_descriptor._default_constructor = _DefaultValueConstructorForField(
      field_descriptor)

  def AddDecoder(wiretype, is_packed):
    tag_bytes = encoder.TagBytes(field_descriptor.number, wiretype)
    cls._decoders_by_tag[tag_bytes] = (
        type_checkers.TYPE_TO_DECODER[field_descriptor.type](
            field_descriptor.number, is_repeated, is_packed,
            field_descriptor, field_descriptor._default_constructor))

  AddDecoder(type_checkers.FIELD_TYPE_TO_WIRE_TYPE[field_descriptor.type],
             False)

  if is_repeated and wire_format.IsTypePackable(field_descriptor.type):
    # To support wire compatibility of adding packed = true, add a decoder for
    # packed values regardless of the field's options.
    AddDecoder(wire_format.WIRETYPE_LENGTH_DELIMITED, True)