added spa serve script

dashboard/serve.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+# Inspired by https://gist.github.com/jtangelder/e445e9a7f5e31c220be6
+# Python3 http.server for Single Page Application
+
+import urllib.parse
+import http.server
+import socketserver
+import re
+from pathlib import Path
+
+HOST = ('0.0.0.0', 80)
+pattern = re.compile('.png|.jpg|.jpeg|.js|.css|.ico|.gif|.svg', re.IGNORECASE)
+
+class Handler(http.server.SimpleHTTPRequestHandler):
+    def do_GET(self):
+        url_parts = urllib.parse.urlparse(self.path)
+        request_file_path = Path(url_parts.path.strip("/"))
+
+        ext = request_file_path.suffix
+        if not request_file_path.is_file() and not pattern.match(ext):
+            self.path = 'index.html'
+
+        return http.server.SimpleHTTPRequestHandler.do_GET(self)
+
+httpd = socketserver.TCPServer(HOST, Handler)
+httpd.serve_forever()