app.py

import gradio as gr
import os
import chess
import chess.engine
import stat



def eval(fenstring):
    output = ""
    os.chmod("./velvet-v8.1.1-x86_64-nopopcnt",0o0777)
    engine = chess.engine.SimpleEngine.popen_uci("./velvet-v8.1.1-x86_64-nopopcnt")
    

    # Score: PovScore(Cp(+20), WHITE)

    board = chess.Board(fenstring)
    
    info = engine.analyse(board, chess.engine.Limit(depth=1),multipv=3)
 
 
    # Score: PovScore(Mate(+1), WHITE)
    
    engine.quit()
    return info
iface = gr.Interface(fn=eval, title="Velvet-1",inputs="text", outputs="text")
iface.queue(api_open=True)
iface.launch()