#!/bin/bash /usr/scripts/python.sh
# -*- coding: utf-8 -*-
#
# Basic trigger host, will be imported from any other
# Contains a TriggerFactory, which records the host functions
# decorated with @record.
# Contains a trigger function which should be imported as its with
# record, to be used in hosts contained in hosts/ directory.
#
# Author    : Pierre-Elliott Bécue <becue@crans.org>
# License   : GPLv3
# Date      : 28/04/2014

class TriggerFactory(object):
    """Factory containing which function is part of the trigger set

    """

    _meths = {}

    @classmethod
    def register(cls, key, value):
        cls._meths[key] = value

    @classmethod
    def get(cls, key):
        return cls._meths.get(key, None)

def record(function):
    TriggerFactory.register(function.func_name, function)

def trigger(what):
    return TriggerFactory.get(what)