port_me/show_config.py

   1 # Copyright (C) 2006-2019 by the Free Software Foundation, Inc.
   2 #
   3 # This file is part of GNU Mailman.
   4 #
   5 # GNU Mailman is free software: you can redistribute it and/or modify it under
   6 # the terms of the GNU General Public License as published by the Free
   7 # Software Foundation, either version 3 of the License, or (at your option)
   8 # any later version.
   9 #
  10 # GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 import re
  19 import sys
  20 import pprint
  21 import optparse
  22
  23 from mailman.configuration import config
  24 from mailman.core.i18n import _
  25 from mailman.version import MAILMAN_VERSION
  26
  27
  28 # List of names never to show even if --verbose
  29 NEVER_SHOW = ['__builtins__', '__doc__']
  30
  31
  32 \f
  33 def parseargs():
  34     parser = optparse.OptionParser(version=MAILMAN_VERSION,
  35                                    usage=_("""\
  36 %%prog [options] [pattern ...]
  37
  38 Show the values of various Defaults.py/mailman.cfg variables.
  39 If one or more patterns are given, show only those variables
  40 whose names match a pattern"""))
  41     parser.add_option('-v', '--verbose',
  42                       default=False, action='store_true',
  43                       help=_(
  44 "Show all configuration names, not just 'settings'."))
  45     parser.add_option('-i', '--ignorecase',
  46                       default=False, action='store_true',
  47                       help=_("Match patterns case-insensitively."))
  48     parser.add_option('-C', '--config',
  49                       help=_('Alternative configuration file to use'))
  50     opts, args = parser.parse_args()
  51     return parser, opts, args
  52
  53
  54 \f
  55 def main():
  56     parser, opts, args = parseargs()
  57
  58     patterns = []
  59     if opts.ignorecase:
  60         flag = re.IGNORECASE
  61     else:
  62         flag = 0
  63     for pattern in args:
  64         patterns.append(re.compile(pattern, flag))
  65
  66     pp = pprint.PrettyPrinter(indent=4)
  67     config.load(opts.config)
  68     names = config.__dict__.keys()
  69     names.sort()
  70     for name in names:
  71         if name in NEVER_SHOW:
  72             continue
  73         if not opts.verbose:
  74             if name.startswith('_') or re.search('[a-z]', name):
  75                 continue
  76         if patterns:
  77             hit = False
  78             for pattern in patterns:
  79                 if pattern.search(name):
  80                     hit = True
  81                     break
  82             if not hit:
  83                 continue
  84         value = config.__dict__[name]
  85         if isinstance(value, str):
  86             if re.search('\n', value):
  87                 print '%s = """%s"""' %(name, value)
  88             else:
  89                 print "%s = '%s'" % (name, value)
  90         else:
  91             print '%s = ' % name,
  92             pp.pprint(value)
  93
  94
  95 \f
  96 if __name__ == '__main__':
  97     main()