.. _fbf.lib.factory:

factory
~~~~~~~

.. automodule:: fbf.lib.factory
        :show-inheritance:
        :members:
        :undoc-members:

CODE
----

    ::

        # fbf/lib/factory.py
        #
        #
        
        """ Factory to produce instances of classes. """
        
.. _fbf.lib.factory_fbf_imports:

fbf imports
--------------

    ::

        
        from fbf.utils.exception import handle_exception
        from fbf.lib.errors import NoSuchBotType, NoUserProvided
        
.. _fbf.lib.factory_basic_imports:

basic imports
----------------

    ::

        
        import logging
        
.. _fbf.lib.factory_Factory_base_class:

Factory base class
---------------------

    ::

        
        class Factory(object):
             pass
        
.. _fbf.lib.factory_BotFactory_class:

BotFactory class
-------------------

    ::

        
        class BotFactory(Factory):
        
            def create(self, type=None, cfg={}):
                try: type = cfg['type'] or type or None
                except KeyError: pass
                try:
                    if type == 'irc':
                        from fbf.drivers.irc.bot import IRCBot
                        bot = IRCBot(cfg)
                    elif type == 'console':
                        from fbf.drivers.console.bot import ConsoleBot
                        bot = ConsoleBot(cfg)
                    elif type == 'base':
                        from fbf.lib.botbase import BotBase
                        bot = BotBase(cfg)
                    elif type == 'tornado':
                        from fbf.drivers.tornado.bot import TornadoBot
                        bot = TornadoBot(cfg)
                    elif type == 'sleek' or "xmpp" in type:
                        from fbf.drivers.sleek.bot import SleekBot
                        bot = SleekBot(cfg)
                    else: raise NoSuchBotType('%s bot .. unproper type %s' % (type, cfg.dump()))
                    return bot
                except NoUserProvided as ex: logging.info("%s - %s" % (cfg.name, str(ex)))
                except AssertionError as ex: logging.warn("%s - assertion error: %s" % (cfg.name, str(ex)))
                except Exception as ex: handle_exception()
        
        bot_factory = BotFactory()