bec/bec_widgets
0
0
Fork 0
mirror of https://github.com/bec-project/bec_widgets.git synced 2025-07-13 11:11:49 +02:00
Code Activity

fix(signal input base): unregister callback to avoid accessing deleted qt objects

Browse Source
This commit is contained in:
wakonig_k
2025-06-27 18:19:49 +02:00
committed by Klaus Wakonig
parent 00ea8bb6c6
commit 7ba8863d6a
2 changed files with 17 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
bec_widgets/widgets/control/device_input/base_classes/device_signal_input_base.py
View File

@ -55,7 +55,7 @@ class DeviceSignalInputBase(BECWidget):
self._hinted_signals = []
self._normal_signals = []
self._config_signals = []
self.bec_dispatcher.client.callbacks.register(
self._device_update_register = self.bec_dispatcher.client.callbacks.register(
EventType.DEVICE_UPDATE, self.update_signals_from_filters
)
@ -289,3 +289,10 @@ class DeviceSignalInputBase(BECWidget):
if config is None:
return DeviceSignalInputBaseConfig(widget_class=self.__class__.__name__)
return DeviceSignalInputBaseConfig.model_validate(config)
def cleanup(self):
"""
Cleanup the widget.
"""
self.bec_dispatcher.client.callbacks.remove(self._device_update_register)
super().cleanup()

9
tests/unit_tests/test_device_signal_input.py
View File

@ -144,3 +144,12 @@ def test_signal_lineedit(device_signal_line_edit):
assert device_signal_line_edit._is_valid_input is True
device_signal_line_edit.setText("invalid")
assert device_signal_line_edit._is_valid_input is False
def test_device_signal_input_base_cleanup(qtbot, mocked_client):
widget = DeviceInputWidget(client=mocked_client)
widget.close()
widget.deleteLater()
mocked_client.callbacks.remove.assert_called_once_with(widget._device_update_register)