def _on_registered_or_started(self, component, manager=None):
del manager
if self._poller is None:
if isinstance(component, BasePoller):
self._poller = component
self.fire(ready(self))
else:
if component is not self:
return
component = findcmp(self.root, BasePoller)
if component is not None:
self._poller = component
self.fire(ready(self))
else:
self._poller = Poll().register(self)
self.fire(ready(self))
