#!/usr/bin/env pythonimport foobar_pb2# protoc -I=. --python_out=. foobar.proto# message Bar {# optional int32 i = 1 [default = 0];# optional int32 j = 2 [default = 0];# }# message Foo {# repeated Bar bars = 1;# }foo = foobar_pb2.Foo()# ok, but not reflection#foo.bars.add()