#!/usr/bin/python

# Copyright (c) 2009, Purdue University
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"""List reserved word tool for roster"""


__copyright__ = 'Copyright (C) 2009, Purdue University'
__license__ = 'BSD'
__version__ = '0.7'


import os
import sys
import getpass

from optparse import OptionParser

from roster_user_tools import cli_common_lib
from roster_user_tools import roster_client_lib


def main(args):
  """Collects command line arguments.

  Inputs:
    args: list of arguments from the command line
  """
  parser = OptionParser(version='%%prog (Roster %s)' % __version__)

  parser.add_option('-s', '--server', action='store', dest='server',
                    help='XML RPC Server address.', metavar='<server>',
                    default=None)
  parser.add_option('--config-file', action='store', dest='config_file',
                    help='Config file location.', metavar='<file>',
                    default=None)
  parser.add_option('-u', '--username', action='store', dest='username',
                    help='Run as a different username.', metavar='<username>',
                    default=unicode(getpass.getuser()))
  parser.add_option('-p', '--password', action='store', dest='password',
                    help='Password string, NOTE: It is insecure to use this '
                    'flag on the command line.', metavar='<password>',
                    default=None)
  parser.add_option('-c', '--cred-file', action='store', dest='credfile',
                    help='Location of credential file.', metavar='<cred-file>',
                    default=None)
  parser.add_option('--cred-string', action='store', dest='credstring',
                    help='String of credential.', metavar='<cred-string>',
                    default=None)

  (globals()["options"], args) = parser.parse_args(args)

  try:
    cli_common_lib_instance = cli_common_lib.CliCommonLib(options)
  except cli_common_lib.ArgumentError, e:
    print 'ERROR: %s' % e
    sys.exit(1)

  reserved_words = roster_client_lib.RunFunction(u'ListReservedWords',
                                                 options.username,
                                                 credfile=options.credfile,
                                                 credstring=options.credstring,
                                                 server_name=options.server)
  for reserved_word in reserved_words['core_return']:
    print reserved_word

if __name__ == "__main__":
    main(sys.argv[1:])
