import subprocess

# 安装单个包
package_name = "flask"
subprocess.check_call(["pip", "install", package_name])

import gradio as gr
from flask import Flask, session
app = Flask(__name__)


def greet(name):
    session["user_name"] += name
    user_name = session["user_name"]
    return "Hello " + user_name + "!!"

iface = gr.Interface(fn=greet, inputs="text", outputs="text")
iface.launch(app=app)