build/drivers/create_driver_manifest.py

#!/usr/bin/env fuchsia-vendored-python
# Copyright 2021 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Create a Driver Manifest from a list of driver paths"""

import json
import argparse


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument(
        "--package-url",
        help="The package url to rebase the distribution_manifest paths to.",
    )
    parser.add_argument(
        "--distribution_manifest_file",
        help="Path to a distribution_manifest file which is a JSON file that contains driver paths.",
    )
    parser.add_argument(
        "--output",
        help="The path where this script will output the driver manifest.",
    )
    args = parser.parse_args()

    with open(args.distribution_manifest_file) as f:
        distribution_manifest = json.load(f)

    manifest = [
        {"driver_url": args.package_url + "#" + entry["destination"]}
        for entry in distribution_manifest
        if entry.get("destination", "").startswith("meta/")
        and entry.get("destination", "").endswith(".cm")
    ]

    json_manifest = json.dumps(manifest)

    with open(args.output, "w") as f:
        f.write(json_manifest)


if __name__ == "__main__":
    main()