Update minimal-server.py

opcua-server-fhi /minimal-server.py

+#!//usr/bin/python
+"""
+Basic server with minimal data
+"""
+
 # from https://opcua-asyncio.readthedocs.io/en/latest/usage/get-started/minimal-client.html
 import asyncio
-
 import logging
-
-
 from asyncua import Server, ua
-
 from asyncua.common.methods import uamethod
+import argparse
 
-
+# command line handling
+parser = argparse.ArgumentParser(description='Run OPCUA Server.')
+a = parser.add_argument
+a('--ipv6', help='The IPv6 address on which the OPCUA Server runs', default="::")
+a('--ipv6-enabled', help='The IPv6 address check whether it is enabled or disabled', default="1")
+a('--port', help='The port on which the OPCUA Server runs', default="4840")
+args = parser.parse_args()
+# ipv4 = args.ipv4
+ipv6 = args.ipv6
+ipv6_enabled = args.ipv6_enabled
+port = args.port
 
 @uamethod