better launcher script that unifies streamlit/cherrypy parameters

stand.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+
+import argparse
+import socket
+
+
+parser = argparse.ArgumentParser(
+    description="✋ stand",
+    formatter_class=argparse.ArgumentDefaultsHelpFormatter
+)
+
+hostname = socket.gethostname()
+
+msg = " of the Streamlit app"
+parser.add_argument("--app-host", default=hostname,       help="host"+msg)
+parser.add_argument("--app-port", default=8080, type=int, help="port"+msg)
+
+msg = " of the CherryPy API"
+parser.add_argument("--api-host", default=hostname,       help="host"+msg)
+parser.add_argument("--api-port", default=9090, type=int, help="port"+msg)
+
+clargs = parser.parse_args()
+
+
+streamlit_params = f"""
+    --browser.gatherUsageStats false
+    --server.headless true
+    --server.address {clargs.app_host}
+    --server.port {clargs.app_port}
+""".split()
+
+cherrypy_params = f"""
+    --host {clargs.api_host}
+    --port {clargs.api_port}
+""".split()
+
+
+import sys
+import os
+
+# cd to the folder that contains this script
+
+base = sys.path[0]
+os.chdir(base)
+
+
+import subprocess
+
+# arguments before "--" will be parsed by streamlit
+# arguments after  "--" will be passed into the script
+# the inner argparse is in restapi.py
+
+cmd = [
+#    "echo",
+    "streamlit", "run", *streamlit_params, "stand/webapp.py",
+    "--", *cherrypy_params
+]
+
+subprocess.run(cmd)
+
+
+