systemd/tools/dbus_exporter.py
Zbigniew Jędrzejewski-Szmek 3b9d38f5c8 tools/dbus_exporter: deblackify and shorten code a bit
When we do mkdir, we should just use 0o777 and let the umask take care of the
rest. Specifying an explicit mode is inappropriate. And when touching the code,
let's replace black madness with normal python style.
2022-03-22 14:07:53 +01:00

43 lines
1.2 KiB
Python
Executable File

#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
from argparse import ArgumentParser
from pathlib import Path
from subprocess import run, PIPE
def extract_interfaces_xml(output_dir, executable):
proc = run(
args=[executable.absolute(), '--bus-introspect', 'list'],
stdout=PIPE,
check=True,
universal_newlines=True)
interface_names = (x.split()[1] for x in proc.stdout.splitlines())
for interface_name in interface_names:
proc = run(
args=[executable.absolute(), '--bus-introspect', interface_name],
stdout=PIPE,
check=True,
universal_newlines=True)
interface_file_name = output_dir / (interface_name + '.xml')
interface_file_name.write_text(proc.stdout)
interface_file_name.chmod(0o644)
def main():
parser = ArgumentParser()
parser.add_argument('output',
type=Path)
parser.add_argument('executables',
nargs='+',
type=Path)
args = parser.parse_args()
args.output.mkdir(exist_ok=True)
for exe in args.executables:
extract_interfaces_xml(args.output, exe)
if __name__ == '__main__':
main()