Update app.py

PDF summary app

app.py

@@ -1,7 +1,25 @@
+from langchain.document_loaders import PyPDFLoader
 import gradio as gr
+loader = PyPDFLoader("whitepaper.pdf") 
+documents = loader.load()
 
-def greet(name):
-    return "Hello " + name + "!!"
+def summarize_pdf (pdf_file_path, custom_prompt=""):
+    loader = PyPDFLoader(pdf_file_path)
+    docs = loader.load_and_split()
+    chain = load_summarize_chain(llm, chain_type="map_reduce")
+    summary = chain.run(docs)
+    
+    return summary
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+def main():
+    input_pdf_path = gr.inputs.Textbox(label="Enter the PDF file path")
+    output_summary = gr.outputs.Textbox(label="Summary")
+    
+    interface = gr.Interface(
+        fn = summarize_pdf,
+        inputs = input_pdf_path,
+        outputs = output_summary,
+        title = "PDF Summarizer",
+        description = "This app allows you to summarize your PDF files.",
+    )
+    demo.launch(share=True)