Allow generating QR codes for remote nodes and for all channels

meshtastic/__main__.py

@@ -804,10 +804,14 @@ def onConnected(interface):
                 return
             interface.showNodes()
 
-        if args.qr:
+        if args.qr or args.qr_all:
             closeNow = True
-            url = interface.localNode.getURL(includeAll=False)
-            print(f"Primary channel URL {url}")
+            url = interface.getNode(args.dest, True).getURL(includeAll=args.qr_all)
+            if args.qr_all:
+                urldesc = "Complete URL (includes all channels)"
+            else:
+                urldesc = "Primary channel URL"
+            print(f"{urldesc}: {url}")
             qr = pyqrcode.create(url)
             print(qr.terminal())
 
@@ -1157,7 +1161,16 @@ def initParser():
 
     group.add_argument(
         "--qr",
-        help="Display the QR code that corresponds to the current channel",
+        help=(
+            "Display a QR code for the node's primary channel (or all channels with --qr-all). "
+            "Also shows the shareable channel URL."
+        ),
+        action="store_true",
+    )
+
+    group.add_argument(
+        "--qr-all",
+        help="Display a QR code and URL for all of the node's channels.",
         action="store_true",
     )
 

meshtastic/node.py

@@ -313,6 +313,8 @@ class Node:
                 ):
                     channelSet.settings.append(c.settings)
 
+        if len(self.localConfig.ListFields()) == 0:
+            self.requestConfig(self.localConfig.DESCRIPTOR.fields_by_name.get('lora'))
         channelSet.lora_config.CopyFrom(self.localConfig.lora)
         some_bytes = channelSet.SerializeToString()
         s = base64.urlsafe_b64encode(some_bytes).decode("ascii")