This is tricky as the Python API (like the C++ API) has a strong sense of
ownership. Outer messages "own" the message objects embedded inside them.
In the Python API, this is necessary because assigning a field in an
optional sub-message may also cause the sub-message itself to become present
in
Hello,
I'm finding that I am writing code that looks a lot like this:
tmpsubmessage = parse_submessage_data()
submessage = message.submessage.add()
submessage.MergeFrom(tmpsubmessage)
This seems inefficient to me. One alternative would be to create the
new submessage, and fill it on the spot:
