Update app.py

app.py

@@ -136,4 +136,44 @@ if __name__ == "__main__":
         gr.Markdown(
             "A basic demo for end-to-end text detection and recognition where the input will be in pdf format and the result is text conversion using OCR from the [doctr](https://mindee.github.io/doctr/index.html) package"
         )
-        gr.Markdown("---")
+        gr.Markdown("---")
+        gr.Markdown("---")
+
+        with gr.Column():
+
+            gr.Markdown("## Load Inputs")
+            gr.Markdown("Upload your own file & replace the default. Files should be < 10MB to avoid upload issues - search for a PDF compressor online as needed.")
+            gr.Markdown(
+                "_If no file is uploaded, a sample PDF will be used. PDFs are truncated to 20 pages._"
+            )
+
+            uploaded_file = gr.File(
+                label="Upload a PDF file",
+                file_count="single",
+                type="file",
+                value=_here / "example_file.pdf",
+            )
+
+            gr.Markdown("---")
+
+        with gr.Column():
+            gr.Markdown("## Convert PDF to Text")
+            convert_button = gr.Button("Convert PDF!", variant="primary")
+            out_placeholder = gr.HTML("<p><em>Output will appear below:</em></p>")
+            gr.Markdown("### Output")
+            OCR_text = gr.Textbox(
+                label="OCR Result", placeholder="The OCR text will appear here"
+            )
+            text_file = gr.File(
+                label="Download Text File",
+                file_count="single",
+                type="file",
+                interactive=False,
+            )
+
+        convert_button.click(
+            fn=convert_PDF,
+            inputs=[uploaded_file],
+            outputs=[OCR_text, out_placeholder, text_file],
+        )
+    demo.launch(enable_queue=True)