# Pastebin Bjw7jmyP
WITHOUT:
def dosomething(blah):
	try:
		do_operation_on_backend(transform_blah(blah))
		self.plugin.update_status(.., db_model.Class, .., constant.ACTIVE)
	except:
		self.plugin.update_status(.., db_model.Class, .., constant.ERROR)
		raise NeutronDerivedExceptionSomethingBadHappenened(msg=_("Something bad happened"))

WITH HELPER:
def dosomething(blah):
	try:
		do_operation_on_backend(transform_blah(blah))
		self._active()
	except:
		self._failed()
		raise NeutronDerivedExceptionSomethingBadHappenened(msg=_("Something bad happened"))