set cherrypy host and port from command line args

stand/restapi.py

@@ -1,3 +1,4 @@
+import argparse
 from threading import Thread
 
 import cherrypy as cp
@@ -5,9 +6,23 @@ import cherrypy as cp
 from tblctrl import TableController
 
 
+parser = argparse.ArgumentParser()
+
+parser.add_argument("--host", default="127.0.0.1")
+parser.add_argument("--port", default=9090, type=int)
+
+clargs = parser.parse_args()
+
+
+cp.config.update({
+    "server.socket_host": clargs.host,
+    "server.socket_port": clargs.port,
+})
+
+
 # creating instances here allows to use restapi etc. as singletons
 
-print(">>> start restapi")
+print(f">>> start restapi on {clargs.host}:{clargs.port}")
 
 restapi = TableController()