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import argparse
import json
import os
def _resolve_config_path(config_file):
if os.path.exists(config_file):
return config_file
script_relative = os.path.join(os.path.dirname(__file__), config_file)
if os.path.exists(script_relative):
return script_relative
raise FileNotFoundError(f'Config file not found: {config_file}')
def main():
parser = argparse.ArgumentParser()
parser.add_argument('config_files', nargs='+', help='Configuration JSON file(s)')
args = parser.parse_args()
# Toolchain buckets must match the toolchains instantiated by the hil-build
# job in .github/workflows/build.yml. Keep all keys present (even if empty)
# so `fromJSON(hil_json)[toolchain]` always resolves to a list.
matrix = {
'arm-gcc': [],
'riscv-gcc': [],
'esp-idf': []
}
seen = {toolchain: set() for toolchain in matrix}
def append_build_arg(toolchain, build_arg):
if build_arg not in seen[toolchain]:
seen[toolchain].add(build_arg)
matrix[toolchain].append(build_arg)
for config_file in args.config_files:
with open(_resolve_config_path(config_file)) as f:
config = json.load(f)
for board in config['boards']:
name = board['name']
flasher = board['flasher']
# esptool boards must build under esp-idf; others default to arm-gcc
# but may opt into another bucket via an explicit "toolchain" field
# (e.g. RISC-V boards like ch32v20x need "riscv-gcc").
if flasher['name'] == 'esptool':
toolchain = 'esp-idf'
else:
toolchain = board.get('toolchain', 'arm-gcc')
build_board = f'-b {name}'
if 'build' in board and 'args' in board['build']:
build_board += ' ' + ' '.join(f'-D{a}' for a in board['build']['args'])
# Each variant builds into cmake-build-<variant.name> with its own cmake
# -D defines and raw CFLAGS. No 'variant' -> a single build named after
# the board.
variants = board.get('variant') or [{'name': name, 'flags': ''}]
for v in variants:
arg = build_board
if v['name'] != name:
arg += f' --build-name {v["name"]}'
for d in v.get('defines', []):
arg += f' -D{d}'
for tok in v.get('flags', '').split():
arg += f' --cflag={tok}'
append_build_arg(toolchain, arg)
print(json.dumps(matrix))
if __name__ == '__main__':
main()
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