Update app.py

app.py

@@ -16,10 +16,28 @@ client = FastPurgeClient(
         }
     )
 
+def initialization():
+    client_secret =  os.environ.get('client_secret')
+    host =  os.environ.get('host')
+    access_token =  os.environ.get('access_token')
+    client_token =  os.environ.get('client_token')
+    client = FastPurgeClient(
+    auth={
+        "client_secret": client_secret ,
+        "host": host,
+        "access_token": access_token,
+        "client_token": client_token
+        }
+    )
+    
+
 def reply(message, history):
-  purged = client.purge_by_url([message])
-  answer = str(purged.result())
-  return answer
+    if message == 'initialize':
+        initialization()
+        return 'Application re-initialized'
+    purged = client.purge_by_url([message])
+    answer = str(purged.result())
+    return answer
 
 Conversing = gr.ChatInterface(reply, chatbot=gr.Chatbot(height=600), retry_btn=None,theme=gr.themes.Monochrome(),
                               title = 'Akamai Purge Cache', description = "Enter Brand.com URL for purging" ,undo_btn = None, clear_btn = None, css='footer {visibility: hidden}').launch()