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