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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def with_resource_connection_as_argument(resource_name):
 """a class decorator for Crontabber Apps. This decorator will a class a _run_proxy method that passes a databsase connection as a context manager into the CronApp's run method. The connection will automatically be closed when the ConApp's run method ends. In order for this dectorator to function properly, it must be used in conjunction with previous dectorator, "with_transactional_resource" or equivalent. This decorator depends on the mechanims added by that decorator. """

    connection_factory_attr_name = '%s_connection_factory' % resource_name

    def class_decorator(cls):
        def _run_proxy(self, *args, **kwargs):
            factory = getattr(self, connection_factory_attr_name)
            with factory() as connection:
                try:
                    self.run(connection, *args, **kwargs)
                finally:
                    factory.close_connection(connection, force=True)
        cls._run_proxy = _run_proxy
        return cls
    return class_decorator