discover_using_colcon.py

# Copyright 2024 Scott K Logan
# Licensed under the Apache License, Version 2.0

import argparse
import logging
from pathlib import Path

from colcon_core.location import set_default_config_path
from colcon_core.logging import colcon_logger
from colcon_core.package_discovery import add_package_discovery_arguments
from colcon_core.package_discovery import discover_packages
from colcon_core.package_identification import get_package_identification_extensions

# colcon global setup
colcon_logger.setLevel(logging.WARNING)
set_default_config_path(
    path=(Path('~') / f'.colcon').expanduser())

identification_extensions = get_package_identification_extensions()

# These discovery arguments could be added to the calling tool's command line
# or customized implicitly. Either way, the arguments should still be "parsed"
# because the code expects the default values to be populated.
parser = argparse.ArgumentParser()
add_package_discovery_arguments(parser)
args = parser.parse_args()

packages = discover_packages(args, identification_extensions)

for pkg in packages:
    print(f'{pkg.name} ({pkg.type}): {pkg.path}')