build/image/convert_to_binary.py

#!/usr/bin/env python
#
# Copyright 2018 Google LLC
#
# 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
#
#     https://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.

#!/usr/bin/env python
"""Convert a file to binary format.

Calls objcopy to convert a file into raw binary format.
"""

import argparse
import subprocess
import sys


def Main():
    parser = argparse.ArgumentParser()
    parser.add_argument("--tool_prefix", required=True)
    parser.add_argument("--input", required=True)
    parser.add_argument("--output", required=True)
    args = parser.parse_args()
    subprocess.check_call([
        "{}objcopy".format(args.tool_prefix), "-O", "binary", args.input,
        args.output
    ])
    return 0


if __name__ == "__main__":
    sys.exit(Main())