Amended code to a text summarisation demo

app.py

@@ -1,7 +1,28 @@
+# Helper function
+import requests, json
+
+#Summarization endpoint
+def get_completion(inputs, parameters=None,ENDPOINT_URL=os.environ['HF_API_SUMMARY_BASE']): 
+    headers = {
+      "Authorization": f"Bearer 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",
+      "Content-Type": "application/json"
+    }
+    data = { "inputs": inputs }
+    if parameters is not None:
+        data.update({"parameters": parameters})
+    response = requests.request("POST",
+                                ENDPOINT_URL, headers=headers,
+                                data=json.dumps(data)
+                               )
+    return json.loads(response.content.decode("utf-8"))
+
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!"
+def summarize(input):
+    output = get_completion(input)
+    return output[0]['summary_text']
+    
+gr.close_all()
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
-iface.launch()
+demo = gr.Interface(fn=summarize, inputs="text", outputs="text")
+demo.launch()