| import subprocess |
| |
| def has_grpcio_protoc(): |
| # type: () -> bool |
| """ checks if grpcio-tools protoc is installed""" |
| |
| try: |
| import grpc_tools.protoc |
| except ImportError: |
| return False |
| return True |
| |
| |
| def invoke_protoc(argv): |
| # type: (list) -> typing.Any |
| """ |
| Invoke protoc. |
| |
| This routine will use grpcio-provided protoc if it exists, |
| using system-installed protoc as a fallback. |
| |
| Args: |
| argv: protoc CLI invocation, first item must be 'protoc' |
| """ |
| if has_grpcio_protoc(): |
| import grpc_tools.protoc as protoc |
| return protoc.main(argv) |
| else: |
| return subprocess.check_call(argv) |
