diff --git a/docs/python-cmd-guide.md b/docs/python-cmd-guide.md
new file mode 100644
index 0000000..9c73d5d
--- /dev/null
+++ b/docs/python-cmd-guide.md
@@ -0,0 +1,2 @@
+# Python API commands guide
+
diff --git a/meshtastic/__init__.py b/meshtastic/__init__.py
index 1cc8021..0602442 100644
--- a/meshtastic/__init__.py
+++ b/meshtastic/__init__.py
@@ -462,16 +462,20 @@ class MeshInterface:
             # byte array.
             asDict["decoded"]["data"]["payload"] = meshPacket.decoded.data.payload
 
-            # UNKNOWN_APP is the default protobuf pornum value, and therefore if not set it will not be populated at all
+            # UNKNOWN_APP is the default protobuf portnum value, and therefore if not set it will not be populated at all
             # to make API usage easier, set it to prevent confusion
             if not "portnum" in asDict["decoded"]["data"]:
-                asDict["decoded"]["data"]["portnum"] = portnums_pb2.PortNum.UNKNOWN_APP
+                asDict["decoded"]["data"]["portnum"] = portnums_pb2.PortNum.Name(portnums_pb2.PortNum.UNKNOWN_APP)
 
             portnum = asDict["decoded"]["data"]["portnum"]
+
+            if isinstance(portnum, str):
+                portnum = portnums_pb2.PortNum.Value(portnum)
+
             topic = f"meshtastic.receive.data.{portnum}"
 
             # For text messages, we go ahead and decode the text to ascii for our users
-            if asDict["decoded"]["data"]["portnum"] == portnums_pb2.PortNum.TEXT_MESSAGE_APP:
+            if portnum == portnums_pb2.PortNum.TEXT_MESSAGE_APP:
                 topic = "meshtastic.receive.text"
 
                 # We don't throw if the utf8 is invalid in the text message.  Instead we just don't populate
@@ -486,7 +490,7 @@ class MeshInterface:
                     logging.error(f"Malformatted utf8 in text message: {ex}")
 
             # decode position protobufs and update nodedb, provide decoded version as "position" in the published msg
-            if asDict["decoded"]["data"]["portnum"] == portnums_pb2.PortNum.POSITION_APP:
+            if portnum == portnums_pb2.PortNum.POSITION_APP:
                 topic = "meshtastic.receive.position"
                 pb = mesh_pb2.Position()
                 pb.ParseFromString(meshPacket.decoded.data.payload)
@@ -497,7 +501,7 @@ class MeshInterface:
                 self._getOrCreateByNum(asDict["from"])["position"] = p
 
             # decode user protobufs and update nodedb, provide decoded version as "position" in the published msg
-            if asDict["decoded"]["data"]["portnum"] == portnums_pb2.PortNum.NODEINFO_APP:
+            if portnum == portnums_pb2.PortNum.NODEINFO_APP:
                 topic = "meshtastic.receive.user"
                 pb = mesh_pb2.User()
                 pb.ParseFromString(meshPacket.decoded.data.payload)
diff --git a/meshtastic/__main__.py b/meshtastic/__main__.py
index efc9244..3d265fc 100644
--- a/meshtastic/__main__.py
+++ b/meshtastic/__main__.py
@@ -11,6 +11,7 @@ import pyqrcode
 import traceback
 import codecs
 import base64
+import pkg_resources
 
 """The command line arguments"""
 args = None
@@ -390,6 +391,8 @@ def main():
 
     parser.set_defaults(router=None)
 
+    parser.add_argument('--version', action='version', version=f"{pkg_resources.require('meshtastic')[0].version}")
+
     global args
     args = parser.parse_args()
     logging.basicConfig(level=logging.DEBUG if args.debug else logging.INFO)