def _invoke_callback(self, cb, event):
try:
cb(event)
except Exception:
_handle_exception(self.ignore_callback_errors,
self.print_callback_errors,
self, cb_event=(cb, event))
def _invoke_callback(self, cb: Union[Callback, Callable[[], None]],
event: Optional[Event]):
try:
if event is not None:
cb(event)
else:
cb()
except Exception as e:
# dead Qt object with living python pointer. not importing Qt
# here... but this error is consistent across backends
if (isinstance(e, RuntimeError) and 'C++' in str(e)
and str(e).endswith(
('has been deleted', 'already deleted.'))):
self.disconnect(cb)
return
_handle_exception(
self.ignore_callback_errors,
self.print_callback_errors,
self,
cb_event=(cb, event),
)