implement cache

scrape.py

@@ -1,5 +1,6 @@
 import requests
 from bs4 import BeautifulSoup
+from time import time
 from http.server import BaseHTTPRequestHandler, HTTPServer
 
 def scrape():
@@ -53,15 +54,25 @@ def scrape():
 
 class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
     def do_GET(self):
+        current_time = time()
+        if cache['time'] < current_time - 30:
+            html = templateHtml.replace('--body--', scrape())
+            cache['output'] = html.encode('utf-8')
+            cache['time'] = current_time
+
         self.send_response(200)
         self.end_headers()
-        html = templateHtml.replace('--body--', scrape())
-        self.wfile.write(html.encode('utf-8'))
+        self.wfile.write(cache['output'])
 
 
 
 with open('template.html', 'r') as templateFile:
     templateHtml = templateFile.read()
 
+cache = {
+    "time": 0,
+    "output": None
+}
+
 httpd = HTTPServer(('', 8000), SimpleHTTPRequestHandler)
 httpd.serve_forever()