Files
allwpilib/wpiutil/generate_nanopb.py
Austin Schuh 4529ef0ea6 [bazel] Use script based python bootstrapping (#8180)
This fixes issues found building AOS with import paths.
2025-11-10 10:03:11 -07:00

88 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) FIRST and other WPILib contributors.
# Open Source Software; you can modify and/or share it under the terms of
# the WPILib BSD license file in the root directory of this project.
import argparse
import os
import shutil
import subprocess
import sys
from pathlib import Path
def generate_nanopb(nanopb: Path, output_directory: Path, proto_dir: Path):
shutil.rmtree(output_directory.absolute(), ignore_errors=True)
os.makedirs(output_directory.absolute())
proto_files = proto_dir.glob("*.proto")
for path in proto_files:
absolute_filename = path.absolute()
subprocess.check_call(
([sys.executable] if nanopb.endswith(".py") else [])
+ [
nanopb,
f"-I{absolute_filename.parent}",
f"-D{output_directory.absolute()}",
"-S.cpp",
"-e.npb",
absolute_filename,
],
)
java_files = (output_directory).glob("*")
for java_file in java_files:
with (java_file).open(encoding="utf-8") as f:
content = f.read()
java_file.write_text(
"// Copyright (c) FIRST and other WPILib contributors.\n// Open Source Software; you can modify and/or share it under the terms of\n// the WPILib BSD license file in the root directory of this project.\n"
+ content,
encoding="utf-8",
newline="\n",
)
def main():
script_path = Path(__file__).resolve()
dirname = script_path.parent
root_path = dirname.parent
nanopb_path = os.path.join(
root_path,
"wpiutil",
"src",
"main",
"native",
"thirdparty",
"nanopb",
"generator",
"nanopb_generator.py",
)
parser = argparse.ArgumentParser()
parser.add_argument(
"--nanopb",
help="Nanopb generator command",
default=nanopb_path,
)
parser.add_argument(
"--output_directory",
help="Optional. If set, will output the generated files to this directory, otherwise it will use a path relative to the script",
default=dirname / "src/generated/test/native/cpp",
type=Path,
)
parser.add_argument(
"--proto_directory",
help="Optional. If set, will use this directory to glob for protobuf files",
default=dirname / "src/test/proto",
type=Path,
)
args = parser.parse_args()
generate_nanopb(args.nanopb, args.output_directory, args.proto_directory)
if __name__ == "__main__":
main()