Merge pull request #1423 from aparcar/happy-pylint

treewide: fixes to make pylint happier

labgrid/driver/mqtt.py

@@ -43,6 +43,8 @@ def _on_message(self, client, userdata, msg):
             status = True
         elif msg.payload == b'OFF':
             status = False
+        else:
+            raise ValueError(f"Unknown status: {msg.payload}. Must be 'ON' or 'OFF'")
         self._status = status
 
     def _on_connect(self, client, userdata, flags, reason_code, properties):

labgrid/remote/client.py

@@ -1212,6 +1212,9 @@ def tmc_channel(self):
             data = drv.get_channel_info(channel)
         elif action == 'values':
             data = drv.get_channel_values(channel)
+        else:
+            raise ValueError(f"unknown action {action}")
+
         for k, v in sorted(data.items()):
             print(f"{k:<16s} {str(v):<10s}")
 
@@ -1323,6 +1326,9 @@ async def export(self, place, target):
             data = "\n".join(lines) + "\n"
         elif self.args.format is ExportFormat.JSON:
             data = json.dumps(exported)
+        else:
+            raise NotImplementedError(f"unsupported format {self.args.format}")
+
         if self.args.filename == "-":
             sys.stdout.write(data)
         else:

labgrid/util/agents/network_interface.py

@@ -95,7 +95,7 @@ def connection_from_dict(data):
 class NMDev:
     def __init__(self, interface):
         self._interface = interface
-        self._nm_dev = nm.get_device_by_iface(interface)
+        self._nm_dev = nm.get_device_by_iface(interface) # pylint: disable=possibly-used-before-assignment
 
     def _delete_connection(self, con):
         future = Future()
@@ -114,7 +114,7 @@ def cb(con, res, error):
         )
 
     def get_settings(self):
-        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}")
+        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}") # pylint: disable=possibly-used-before-assignment
         if lg_con:
             return dict(lg_con.to_dbus(NM.ConnectionSerializationFlags.ALL))
 
@@ -125,7 +125,7 @@ def get_active_settings(self):
             return dict(con.to_dbus(NM.ConnectionSerializationFlags.ALL))
 
     def configure(self, data):
-        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}")
+        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}") # pylint: disable=possibly-used-before-assignment
         if lg_con:
             self._delete_connection(lg_con)
         data['connection'].update({
@@ -139,12 +139,12 @@ def configure(self, data):
         def cb(dev, res, error):
             assert error is None
             try:
-                res = nm.add_and_activate_connection_finish(res)
+                res = nm.add_and_activate_connection_finish(res) # pylint: disable=possibly-used-before-assignment
                 future.set(res)
             except Exception as e:
                 future.set(e)
 
-        nm.add_and_activate_connection_async(
+        nm.add_and_activate_connection_async( # pylint: disable=possibly-used-before-assignment
             con,
             self._nm_dev,
             None,  # specific_object
@@ -172,7 +172,7 @@ def wait_state(self, expected, timeout):
             )
 
     def disable(self):
-        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}")
+        lg_con = nm.get_connection_by_id(f"labgrid-{self._interface}") # pylint: disable=possibly-used-before-assignment
         if lg_con:
             self._delete_connection(lg_con)
 

labgrid/util/yaml.py

@@ -84,6 +84,9 @@ def resolve_templates(data, mapping):
         items = enumerate(data)
     elif isinstance(data, dict):
         items = data.items()
+    else:
+        raise TypeError(f"Expected list or dict, got {type(data)}")
+
     for k, val in items:
         if isinstance(val, Template):
             try: