the_flask.py

from flask import Flask, redirect
import requests
import os
import random
from flask import Flask, redirect
import requests
import os
import subprocess
ngrok_token3 = "2cZivBw4scg2NQLDwuHPrHSbvkl_43ZbqjNAg5LVnvWXnQX5m"
edge3 = "edghts_2cZj7RmeYoekH1kwK6RtexSkm0Z"
command_ngrok = f"ngrok tunnel --label edge={edge3} --authtoken={ngrok_token3} --region=ap http://localhost:5006"

app = Flask(__name__)

def check_website_availability(url):
    try:
        response = requests.get(url)
        # 检查响应状态码，2xx表示成功
        return response.status_code // 100 == 2
    except requests.ConnectionError:
        return False

@app.route('/')
def redirect_to_website():
    url = os.getenv('OPENI_GRADIO_URL')
    server1 = 'https://mlunotebook.openi.org.cn'
    server2 = 'http://cloudbrain1notebook.openi.org.cn'

    url1 = server1 + url + "/"
    url2 = server2 + url + "/"
    
    # 设定跳转概率，25%概率跳转到 {url1}, {url1}sd2/, {url1}sd3/, {url1}sd4/
    options = [url1, f"{url1}sd2/", f"{url1}sd3/", f"{url1}sd4/"]
    selected_url = random.choices(options, weights=[0.25, 0.25, 0.25, 0.25])[0]

    options2 = [url2, f"{url2}sd2/", f"{url2}sd3/", f"{url2}sd4/"]
    selected_url2 = random.choices(options2, weights=[0.25, 0.25, 0.25, 0.25])[0]
    # 检查是否可访问
    if check_website_availability(url1):
        return redirect(selected_url)
    else:
        # 如果url1不可访问，直接跳转到url2
        return redirect(selected_url2)

if __name__ == '__main__':
    app.run(debug=False, port=5006)