app.py

import gradio as gr

def greet(name):
    onmt_translate -src name -model NOS-MT-en-gl.pt --output ./output_file.txt --replace_unk -gpu 0
    return ./output_file.txt

demo = gr.Interface(fn=greet, inputs="textbox", outputs="textbox")
    
if __name__ == "__main__":
    demo.launch()