router.py

import requests
from flask import Flask
import socket
from pathlib import Path
import streamlit.web.bootstrap
from streamlit import config as _config
import kangas as kg

proj_dir = Path(__file__).parent
filename = proj_dir / "app.py"

_config.set_option("server.headless", True)
_config.set_option("server.port", 7840)
args = []

# streamlit.cli.main_run(filename, args)

app = Flask(__name__)
hostname = socket.gethostname()
ip_address = socket.gethostbyname(hostname)

@app.route('/kangas')
def kangas():
    return requests.get(f"http://{ip_address}:7640").content

@app.route('/')
def streamlit():
    return requests.get(f"http://{ip_address}:7840").content

if __name__ == '__main__':
    streamlit.web.bootstrap.run(str(filename), "", args, "")
    kg.launch(
        host=ip_address,
        port=7640
    )
    app.run()