config/printconfigsetting.py

   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
   5 from __future__ import absolute_import
   6 from __future__ import print_function
   7 import configobj
   8 import sys
   9 import re
  10 from StringIO import StringIO
  11
  12 try:
  13     (file, section, key) = sys.argv[1:]
  14 except ValueError:
  15     print("Usage: printconfigsetting.py <file> <section> <setting>")
  16     sys.exit(1)
  17
  18 with open(file) as fh:
  19     content = re.sub('^\s*;', '#', fh.read(), flags=re.M)
  20
  21 c = configobj.ConfigObj(StringIO(content))
  22
  23 try:
  24     s = c[section]
  25 except KeyError:
  26     print >>sys.stderr, "Section [%s] not found." % section
  27     sys.exit(1)
  28
  29 try:
  30     print(s[key])
  31 except KeyError:
  32     print >>sys.stderr, "Key %s not found." % key
  33     sys.exit(1)