diff options
Diffstat (limited to 'pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py')
| -rw-r--r-- | pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py b/pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py index 5d379cbb6..415611a2c 100644 --- a/pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py +++ b/pw_protobuf_compiler/py/pw_protobuf_compiler/python_protos.py @@ -52,6 +52,15 @@ _LOG = logging.getLogger(__name__) PathOrStr = Union[Path, str] +def _find_protoc() -> str: + """Locates a protoc binary to use for compiling protos.""" + if 'PROTOC' in os.environ: + return os.environ['PROTOC'] + + # Fallback is assuming `protoc` is on the system PATH. + return 'protoc' + + def compile_protos( output_dir: PathOrStr, proto_files: Iterable[PathOrStr], @@ -70,7 +79,7 @@ def compile_protos( include_paths.add(path.parent) cmd: Tuple[PathOrStr, ...] = ( - 'protoc', + _find_protoc(), '--experimental_allow_proto3_optional', '--python_out', os.path.abspath(output_dir), |