Create MeshInterface.MeshInterfaceError to specialize errors in that file

meshtastic/mesh_interface.py

@@ -47,6 +47,12 @@ class MeshInterface:
     debugOut
     """
 
+    class MeshInterfaceError(Exception):
+        """An exception class for general mesh interface errors"""
+        def __init__(self, message):
+            self.message = message
+            super().__init__(self.message)
+
     def __init__(self, debugOut=None, noProto=False):
         """Constructor
 
@@ -313,7 +319,7 @@ class MeshInterface:
             f"mesh_pb2.Constants.DATA_PAYLOAD_LEN: {mesh_pb2.Constants.DATA_PAYLOAD_LEN}"
         )
         if len(data) > mesh_pb2.Constants.DATA_PAYLOAD_LEN:
-            raise Exception("Data payload too big")
+            raise MeshInterface.MeshInterfaceError("Data payload too big")
 
         if (
             portNum == portnums_pb2.PortNum.UNKNOWN_APP
@@ -542,25 +548,25 @@ class MeshInterface:
             and self.localNode.waitForConfig()
         )
         if not success:
-            raise Exception("Timed out waiting for interface config")
+            raise MeshInterface.MeshInterfaceError("Timed out waiting for interface config")
 
     def waitForAckNak(self):
         """Wait for the ack/nak"""
         success = self._timeout.waitForAckNak(self._acknowledgment)
         if not success:
-            raise Exception("Timed out waiting for an acknowledgment")
+            raise MeshInterface.MeshInterfaceError("Timed out waiting for an acknowledgment")
 
     def waitForTraceRoute(self, waitFactor):
         """Wait for trace route"""
         success = self._timeout.waitForTraceRoute(waitFactor, self._acknowledgment)
         if not success:
-            raise Exception("Timed out waiting for traceroute")
+            raise MeshInterface.MeshInterfaceError("Timed out waiting for traceroute")
 
     def waitForTelemetry(self):
         """Wait for telemetry"""
         success = self._timeout.waitForTelemetry(self._acknowledgment)
         if not success:
-            raise Exception("Timed out waiting for telemetry")
+            raise MeshInterface.MeshInterfaceError("Timed out waiting for telemetry")
 
     def getMyNodeInfo(self):
         """Get info about my node."""
@@ -595,7 +601,7 @@ class MeshInterface:
         and raise an exception"""
         if not self.noProto:
             if not self.isConnected.wait(timeout):  # timeout after x seconds
-                raise Exception("Timed out waiting for connection completion")
+                raise MeshInterface.MeshInterfaceError("Timed out waiting for connection completion")
 
         # If we failed while connecting, raise the connection to the client
         if self.failure:
@@ -604,7 +610,7 @@ class MeshInterface:
     def _generatePacketId(self):
         """Get a new unique packet ID"""
         if self.currentPacketId is None:
-            raise Exception("Not connected yet, can not generate packet")
+            raise MeshInterface.MeshInterfaceError("Not connected yet, can not generate packet")
         else:
             self.currentPacketId = (self.currentPacketId + 1) & 0xFFFFFFFF
             return self.currentPacketId
@@ -773,7 +779,7 @@ class MeshInterface:
             failmsg = None
 
             if failmsg:
-                self.failure = Exception(failmsg)
+                self.failure = MeshInterface.MeshInterfaceError(failmsg)
                 self.isConnected.set()  # let waitConnected return this exception
                 self.close()
 
@@ -919,7 +925,7 @@ class MeshInterface:
     def _getOrCreateByNum(self, nodeNum):
         """Given a nodenum find the NodeInfo in the DB (or create if necessary)"""
         if nodeNum == BROADCAST_NUM:
-            raise Exception("Can not create/find nodenum by the broadcast num")
+            raise MeshInterface.MeshInterfaceError("Can not create/find nodenum by the broadcast num")
 
         if nodeNum in self.nodesByNum:
             return self.nodesByNum[nodeNum]