"""
Trigger - simple input -> output lookup based on config
Copyright (C) 2010  Brian S. Stephan

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/>.
"""

from ConfigParser import NoOptionError, NoSectionError
import re

from extlib import irclib

from Module import Module

class Trigger(Module):
    """Return text based on trigger input."""

    def do(self, connection, event, nick, userhost, what, admin_unlocked):
        """Look up input text in config, and respond with result if found."""

        try:
            trigger_list = self.config.options(self.__class__.__name__)
            self.remove_metaoptions(trigger_list)

            for trigger in trigger_list:
                if re.search(trigger, what) is not None:
                    output = self.config.get(self.__class__.__name__, trigger)
                    return output
        except NoOptionError: pass
        except NoSectionError: pass

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