Atlas - defconfig.py
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[FILE BEGIN]
1#!/usr/bin/env python3
2
3# Copyright (c) 2019, Ulf Magnusson
4# SPDX-License-Identifier: ISC
5
6"""
7Reads a specified configuration file, then writes a new configuration file.
8This can be used to initialize the configuration from e.g. an arch-specific
9configuration file. This input configuration file would usually be a minimal
10configuration file, as generated by e.g. savedefconfig.
11
12The default output filename is '.config'. A different filename can be passed in
13the KCONFIG_CONFIG environment variable.
14"""
15import argparse
16
17import kconfiglib
18
19
20def main():
21    parser = argparse.ArgumentParser(
22        formatter_class=argparse.RawDescriptionHelpFormatter,
23        description=__doc__)
24
25    parser.add_argument(
26        "--kconfig",
27        default="Kconfig",
28        help="Top-level Kconfig file (default: Kconfig)")
29
30    parser.add_argument(
31        "config",
32        metavar="CONFIGURATION",
33        help="Input configuration file")
34
35    args = parser.parse_args()
36
37    kconf = kconfiglib.Kconfig(args.kconfig, suppress_traceback=True)
38    print(kconf.load_config(args.config))
39    print(kconf.write_config())
40
41
42if __name__ == "__main__":
43    main()
44
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