Rendering comments can be time consuming.

[ardenwick]

$ time protoc -I . --python_betterproto_out=. douyin2.proto |& head
Writing __init__.py
Writing douyin\__init__.py

real    6m18.150s
user    0m0.015s
sys     0m0.091s

After patching betterproto/plugin/models.py@ProtoContentBase.comment to return empty string, it's much faster

$ time protoc -I . --python_betterproto_out=. douyin2.proto |& head
Writing __init__.py
Writing douyin\__init__.py

real    0m23.077s
user    0m0.000s
sys     0m0.092s

Profile flamegraph from py-spy record