Description------------------------------This directory is used to build released wheels according to PEP513 and uploadthem to pypi.Usage------------------------------For example, to release 3.3.0: ./protobuf_optimized_pip.sh 3.3.0 PYPI_USERNAME PYPI_PASSWORDStructure------------------------------| Source | Source ||--------------------------------------|---------------------------------------------------|| protobuf_optimized_pip.sh | Entry point. Calling Dockerfile and build_wheel_manylinux.sh || Dockerfile | Build docker image according to PEP513. || build_wheel_manylinux.sh | Build wheel packages in the docker container. |