feat: when creating ToolConsole and calling WorkflowProgressGui.attac…

…h_logger verify that signals have been attached

speedwagon/frontend/qtwidgets/dialog/dialogs.py

@@ -470,6 +470,8 @@ def flush(self) -> None:
     def attach_logger(self, logger: logging.Logger) -> None:
         self._parent_logger = logger
         self._log_handler = logging_helpers.QtSignalLogHandler(self)
+        if self._log_handler.signals is None:
+            raise RuntimeError("attach_logger failed to connect signals")
         self._log_handler.signals.messageSent.connect(
             self.write_html_block_to_console
         )

speedwagon/frontend/qtwidgets/widgets.py

@@ -856,6 +856,8 @@ def __init__(self, parent: Optional[QtWidgets.QWidget] = None) -> None:
         super().__init__(parent)
 
         self.log_handler = logging_helpers.QtSignalLogHandler(self)
+        if self.log_handler.signals is None:
+            raise RuntimeError("attach_logger failed to connect signals")
         self.log_handler.signals.messageSent.connect(self.add_message)
 
         self.log_formatter = logging_helpers.ConsoleFormatter()