introduced gradio/app_iterative_file_upload.py

gradio/app_iterative_file_upload.py

@@ -0,0 +1,23 @@
+import gradio as gr
+
+def upload_files(files, filepaths):
+    verbose = False
+    filepaths_new = [file.name for file in files]
+    if verbose:
+        print(f'previous files: {filepaths}')
+        print(f'new files: {filepaths_new}')
+    filepaths = filepaths + filepaths_new
+    return filepaths, filepaths
+
+with gr.Blocks() as demo:
+    gr.Markdown("Define References")
+    filepaths = gr.State([])
+    file_output = gr.File()
+    upload_button = gr.UploadButton("Upload PDF(s)",  file_count="multiple")
+    upload_button.upload(
+        fn=upload_files, 
+        inputs=[upload_button, filepaths], 
+        outputs=[file_output, filepaths])
+
+if __name__ == "__main__":
+    demo.launch()