app.py

import gradio as gr
import time

def count_files(message, history):
    print(f"messgae -- {message}")
    print(f"history -- {history}")
    num_files = len(message["files"])
    return f"You uploaded {num_files} files"

demo = gr.ChatInterface(fn=count_files, 
                        fill_height=True, 
                        type="messages", 
                        #examples=[{"text": "Hello", "files": ["https://i.natgeofe.com/n/5f35194b-af37-4f45-a14d-60925b280986/NationalGeographic_2731043_square.jpg"]}], 
                        title="Echo Bot", 
                        #multimodal=True, 
                        cache_examples=True
                       )

demo.launch()