1# This Source Code Form is subject to the terms of the Mozilla Public
2# License, v. 2.0. If a copy of the MPL was not distributed with this
3# file, You can obtain one at http://mozilla.org/MPL/2.0/.
4
5import sys
6
7from configparser import (
8    ConfigParser,
9    NoOptionError,
10    NoSectionError,
11)
12
13try:
14    (filename, section, key) = sys.argv[1:]
15except ValueError:
16    print("Usage: printconfigsetting.py <filename> <section> <setting>")
17    sys.exit(1)
18
19cfg = ConfigParser()
20cfg.read(filename)
21
22try:
23    print(cfg.get(section, key))
24except NoOptionError:
25    print("Key %s not found." % key, file=sys.stderr)
26    sys.exit(1)
27except NoSectionError:
28    print("Section [%s] not found." % section, file=sys.stderr)
29    sys.exit(1)
30