1#!/usr/bin/env python3
2# SPDX-License-Identifier: LGPL-2.1-or-later
3from argparse import ArgumentParser
4from pathlib import Path
5from subprocess import run, PIPE
6
7def extract_interfaces_xml(output_dir, executable):
8    proc = run(
9        args=[executable.absolute(), '--bus-introspect', 'list'],
10        stdout=PIPE,
11        check=True,
12        universal_newlines=True)
13
14    interface_names = (x.split()[1] for x in proc.stdout.splitlines())
15
16    for interface_name in interface_names:
17        proc = run(
18            args=[executable.absolute(), '--bus-introspect', interface_name],
19            stdout=PIPE,
20            check=True,
21            universal_newlines=True)
22
23        interface_file_name = output_dir / (interface_name + '.xml')
24        interface_file_name.write_text(proc.stdout)
25        interface_file_name.chmod(0o644)
26
27def main():
28    parser = ArgumentParser()
29    parser.add_argument('output',
30                        type=Path)
31    parser.add_argument('executables',
32                        nargs='+',
33                        type=Path)
34
35    args = parser.parse_args()
36
37    args.output.mkdir(exist_ok=True)
38    for exe in args.executables:
39        extract_interfaces_xml(args.output, exe)
40
41if __name__ == '__main__':
42    main()
43