app.py

import gradio as gr
import time

def generate_no_stream():
    text = "Hello, this is a demo without using streaming that emulates a model"
    time.sleep(2.4)
    return text

def generate_streaming():
    text = "Hello, this is a demo without using streaming that emulates a model"
    results = ""
    for word in text.split():
        time.sleep(0.2)
        results += word
        results += " "
        yield results

with gr.Blocks() as demo:
    btn = gr.Button("Generate")
    out_non_stream = gr.Textbox(label="Non-streaming Generation")
    out_stream = gr.Textbox(label="Streaming Generation")

    def change_visibility():
        return {
            out_non_stream: gr.update(visible=True),
            out: gr.update(visible=True),
        }

    btn.click(fn=change_visibility, outputs=[out_non_stream, out_stream])
    btn.click(fn=generate_no_stream, outputs=out_non_stream)
    btn.click(fn=generate_streaming, outputs=out_stream)

demo.launch(debug=True)