add examples to lint and fix warnings

examples/info_example.py

@@ -0,0 +1,23 @@
+"""Simple program to demo how to use meshtastic library.
+   To run: python examples/info.py
+"""
+
+import meshtastic
+import meshtastic.serial_interface
+
+iface = meshtastic.serial_interface.SerialInterface()
+
+# call showInfo() just to ensure values are populated
+#info = iface.showInfo()
+
+if iface.myInfo:
+    #print(f'myInfo:{iface.myInfo}')
+    print(f'firmware_version:{iface.myInfo.firmware_version}')
+
+if iface.nodes:
+    for n in iface.nodes.values():
+        if n['num'] == iface.myInfo.my_node_num:
+            print(n['user']['hwModel'])
+            break
+
+iface.close()

examples/pub_sub_example.py

@@ -13,7 +13,7 @@ if len(sys.argv) < 2:
     print(f"usage: {sys.argv[0]} host")
     sys.exit(1)
 
-def onConnection(interface, topic=pub.AUTO_TOPIC):
+def onConnection(interface, topic=pub.AUTO_TOPIC): # pylint: disable=unused-argument
     """This is called when we (re)connect to the radio."""
     print(interface.myInfo)
     interface.close()

examples/pub_sub_example2.py

@@ -14,11 +14,11 @@ if len(sys.argv) < 2:
     print(f"usage: {sys.argv[0]} host")
     sys.exit(1)
 
-def onReceive(packet, interface):
+def onReceive(packet, interface): # pylint: disable=unused-argument
     """called when a packet arrives"""
     print(f"Received: {packet}")
 
-def onConnection(interface, topic=pub.AUTO_TOPIC):
+def onConnection(interface, topic=pub.AUTO_TOPIC): # pylint: disable=unused-argument
     """called when we (re)connect to the radio"""
     # defaults to broadcast, specify a destination ID if you wish
     interface.sendText("hello mesh")

examples/scan_for_devices.py

@@ -3,7 +3,6 @@
 """
 
 import sys
-import meshtastic
 from meshtastic.supported_device import get_unique_vendor_ids, active_ports_on_supported_devices
 from meshtastic.util import detect_supported_devices