add get sub port

bin/getUSBport.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+
+import sys
+import labhw
+
+
+name = 'Arduino__www_arduino_cc__75833353035351903182'
+name = sys.argv[1]
+
+devices = labhw.list_USB_devices()
+
+try:
+    print(devices[name])
+except KeyError as e:
+    raise RuntimeError(f"unknown device {name}")

labhw/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '0.1.3'
+__version__ = '0.1.4'
 
 from .LTS import *
 from .USBdev import *

setup.py

@@ -32,6 +32,7 @@ setup(
     long_description=long_description,
     long_description_content_type='text/markdown',
     scripts      = ['bin/listUSBdevice.py',
+                    'bin/getUSBport.py',
                    ],
 
 # Automatically find packages in the current directory