compatibility_matrices/finalize.py

#!/usr/bin/env python3
#
# Copyright (C) 2025 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""
Finalizes the current compatibility matrix and allows `next` targets to
use the new FCM.
"""

import argparse
import os
import pathlib
import re
import subprocess
import textwrap


def check_call(*args, **kwargs):
    print(args)
    subprocess.check_call(*args, **kwargs)

def check_output(*args, **kwargs):
    print(args)
    return subprocess.check_output(*args, **kwargs)

class Bump(object):

    def __init__(self, cmdline_args):
        self.top = pathlib.Path(os.environ["ANDROID_BUILD_TOP"])
        self.interfaces_dir = self.top / "hardware/interfaces"

        self.current_level = cmdline_args.current_level
        self.current_module_name = f"framework_compatibility_matrix.{self.current_level}.xml"
        self.device_module_name = "framework_compatibility_matrix.device.xml"

    def run(self):
        self.edit_android_bp()

    def edit_android_bp(self):
        android_bp = self.interfaces_dir / "compatibility_matrices/Android.bp"

        # update the SYSTEM_MATRIX_DEPS variable to unconditionally include the
        # latests FCM. This adds the file to `next` configs so releasing devices
        # can use the latest interfaces.
        lines = []
        with open(android_bp) as f:
            for line in f:
              if f"    \"{self.device_module_name}\",\n" in line:
                  lines.append(f"    \"{self.current_module_name}\",\n")

              lines.append(line)

        with open(android_bp, "w") as f:
            f.write("".join(lines))

def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("current_level",
                        type=str,
                        help="VINTF level of the current version (e.g. 202404)")
    cmdline_args = parser.parse_args()

    Bump(cmdline_args).run()


if __name__ == "__main__":
    main()