Added some icons to the plan actions and cleaned up application

launching exceptions.

src/firefly/application.py

@@ -265,13 +265,13 @@ def setup_window_actions(self):
         )
         # Actions for executing plans
         plans = [
-            # (plan_name, text, display file, shortcut)
-            ("count", "&Count", "count.py", "Ctrl+Shift+C"),
-            ("line_scan", "&Line scan", "line_scan.py", "Ctrl+Shift+L"),
-            ("xafs_scan", "&XAFS Scan", "xafs_scan.py", "Ctrl+Shift+X"),
+            # (plan_name, text, display file, shortcut, icon)
+            ("count", "&Count", "count.py", "Ctrl+Shift+C", "mdi.counter"),
+            ("line_scan", "&Line scan", "line_scan.py", "Ctrl+Shift+L", None),
+            ("xafs_scan", "&XAFS Scan", "xafs_scan.py", "Ctrl+Shift+X", None),
         ]
         self.plan_actions = []
-        for plan_name, text, display_file, shortcut in plans:
+        for plan_name, text, display_file, shortcut, icon in plans:
             slot = partial(
                 self.show_plan_window, name=plan_name, display_file=display_file
             )
@@ -283,6 +283,8 @@ def setup_window_actions(self):
             action.triggered.connect(slot)
             if shortcut is not None:
                 action.setShortcut(QKeySequence(shortcut))
+            if icon is not None:
+                action.setIcon(qta.icon(icon))
             self.plan_actions.append(action)
         # Action for showing the run browser window
         self._setup_window_action(
@@ -533,8 +535,14 @@ def prepare_queue_client(self, client=None, api=None):
           queueserver API. Used for testing.
 
         """
+        # Load the API for controlling the queueserver.
         if api is None:
-            api = queueserver_api()
+            try:
+                api = queueserver_api()
+            except InvalidConfiguration:
+                log.error("Could not load queueserver API "
+                          "configuration from iconfig.toml file.")
+                return
         # Create the client object
         if client is None:
             client = QueueClient(api=api)

src/firefly/launcher.py

@@ -182,7 +182,7 @@ def main(default_fullscreen=False, default_display="status"):
     asyncio.set_event_loop(event_loop)
 
     # Define devices on the beamline (slow!)
-    app.setup_instrument()
+    app.setup_instrument(load_instrument=not pydm_args.no_instrument)
 
     # Get rid of the splash screen now that we're ready to go
     splash.close()

src/firefly/main_window.py

@@ -120,7 +120,6 @@ def customize_ui(self):
         if hasattr(app, "show_logs_window_action"):
             self.ui.menuView.addAction(app.show_logs_window_action)
         # Setup menu
-        print(type(self.ui.menubar))
         self.ui.menuSetup = QtWidgets.QMenu(self.ui.menubar)
         self.ui.menuSetup.setObjectName("menuSetup")
         self.ui.menuSetup.setTitle("Set&up")

src/firefly/queue_client.py

@@ -9,12 +9,16 @@
 from qtpy.QtCore import QObject, QTimer, Signal
 
 from haven import load_config
+from haven.exceptions import UnknownDeviceConfiguration, InvalidConfiguration
 
 log = logging.getLogger()
 
 
 def queueserver_api():
-    config = load_config()["queueserver"]
+    try:
+        config = load_config()["queueserver"]
+    except KeyError:
+        raise InvalidConfiguration("Could not load queueserver info from iconfig.toml file.")
     ctrl_addr = f"tcp://{config['control_host']}:{config['control_port']}"
     info_addr = f"tcp://{config['info_host']}:{config['info_port']}"
     api = REManagerAPI(zmq_control_addr=ctrl_addr, zmq_info_addr=info_addr)

src/haven/exceptions.py

@@ -16,25 +16,7 @@ class GainOverflow(RuntimeError):
 
     ...
 
-
-# class ComponentNotFound(IndexError):
-#     """Registry looked for a component, but it wasn't registered."""
-
-#     ...
-
-
-# class MultipleComponentsFound(IndexError):
-#     """Registry looked for a single component, but found more than one."""
-
-#     ...
-
-
-# class InvalidComponentLabel(TypeError):
-#     """Registry looked for a component, but the label provided is not vlaid."""
-
-#     ...
-
-
+
 class FileNotWritable(IOError):
     """Output file is available but does not have write intent."""
 
@@ -71,7 +53,11 @@ class IOCTimeout(RuntimeError):
     ...
 
 
-class UnknownDeviceConfiguration(ValueError):
+class InvalidConfiguration(ValueError):
+    """The configuration files for Haven are missing keys."""
+    ...
+
+class UnknownDeviceConfiguration(InvalidConfiguration):
     """The configuration for a device does not match the known options."""
 
     ...