app.py

import gradio as gr
import os


def combine(a, b):
    return a + " " + b


def mirror(x):
    return x

md = "test"
CN_md = "测试"


def initialize_interface():
    detect_language_js = """
        var language = window.navigator.userLanguage || window.navigator.language; """
    print('language', language)

with gr.Blocks() as demo:
    gr.Markdown(md)

    change_language_radio = gr.Radio(["Chinese", "English"])
    language = gr.Textbox(label="Language")
    txt = gr.Textbox(label="Input", lines=2)
    txt_2 = gr.Textbox(label="Input 2")
    txt_3 = gr.Textbox(value="", label="Output")
    btn = gr.Button(value="Submit")
    btn.click(combine, inputs=[txt, txt_2], outputs=[txt_3])

    with gr.Row():
        im = gr.Image()
        im_2 = gr.Image()

    btn = gr.Button(value="Mirror Image")
    btn.click(mirror, inputs=[im], outputs=[im_2])

    change_language_radio.change(None, [], [language], _js="() => navigator.language")
  

initialize_interface()

if __name__ == "__main__":
    demo.launch()