Add show_debug notification (#5101)

Co-authored-by: Lorenzo Gaifas <brisvag@gmail.com>
Co-authored-by: Peter Sobolewski <76622105+psobolewskiPhD@users.noreply.github.com>

napari/utils/_tests/test_notification_manager.py

@@ -9,6 +9,7 @@
 from napari.utils.notifications import (
     Notification,
     notification_manager,
+    show_debug,
     show_error,
     show_info,
     show_warning,
@@ -91,6 +92,10 @@ def test_notification_manager_no_gui(monkeypatch):
         assert len(notification_manager.records) == 6
         assert store[-1].type == 'warning'
 
+        show_debug('This is a debug')
+        assert len(notification_manager.records) == 7
+        assert store[-1].type == 'debug'
+
     # make sure we've restored the except hook
     assert sys.excepthook == previous_exhook
 

napari/utils/notifications.py

@@ -37,7 +37,9 @@ def _noop(*_, **__):
     'ErrorNotification',
     'WarningNotification',
     'NotificationManager',
+    'show_debug',
     'show_info',
+    'show_warning',
     'show_error',
     'show_console_notification',
 ]
@@ -332,6 +334,15 @@ def receive_info(self, message: str):
 notification_manager = NotificationManager()
 
 
+def show_debug(message: str):
+    """
+    Show a debug message in the notification manager.
+    """
+    notification_manager.dispatch(
+        Notification(message, severity=NotificationSeverity.DEBUG)
+    )
+
+
 def show_info(message: str):
     """
     Show an info message in the notification manager.