#!/usr/pkg/bin/python2.7
#
# $Id: lshell,v 1.5 2009-07-28 14:31:26 ghantoos Exp $
#
#    Copyright (C) 2008-2009 Ignace Mouzannar (ghantoos) <ghantoos@ghantoos.org>
#
#    This file is part of lshell
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

""" calls lshell function """

import os
import sys

from lshell.checkconfig import CheckConfig
from lshell.shellcmd import ShellCmd, LshellTimeOut


def main():
    """ main function """
    # set SHELL and get LSHELL_ARGS env variables
    os.environ['SHELL'] = os.path.realpath(sys.argv[0])
    if 'LSHELL_ARGS' in os.environ:
        args = sys.argv[1:] + eval(os.environ['LSHELL_ARGS'])
    else:
        args = sys.argv[1:]

    userconf = CheckConfig(args).returnconf()

    try:
        cli = ShellCmd(userconf, args)
        cli.cmdloop()

    except (KeyboardInterrupt, EOFError):
        sys.stdout.write('\nExited on user request\n')
        sys.exit(0)
    except LshellTimeOut:
        userconf['logpath'].error('Timer expired')
        sys.stdout.write('\nTime is up.\n')

if __name__ == '__main__':
    main()
