Run Streamlit apps inside other apps by remote script

streamlit_remote_runner.py

from typing import List, Dict
import logging
import json
import urllib.request
import streamlit as st

# Get an instance of a logger
logger = logging.getLogger(__name__)

# Change this json to your file
JSON_URL = "https://fullstackstation.com/streamlit_apps.json" 


def main():

    apps = fetch_json(JSON_URL)  # type: List[Dict[str, str]]
    logger.info(apps)
    app_names = []

    for app in apps:
        if app["url"].endswith(".py"):
            app_names.append(app["name"])

    run_app = st.sidebar.selectbox("Select the component", app_names)

    # Fetch the content
    for app in apps:
        if app["name"] == run_app:
            python_code = fetch_python_code(app["url"])

    # Run the child app
    if python_code is not None:
        try:
            exec(python_code)
            st.code(python_code)
        except Exception as e:
            st.write("Error occurred when execute [{0}]".format(run_app))
            st.error(str(e))
            logger.error(e)


@st.cache
def fetch_json(url: str):
    data = urllib.request.urlopen(url).read()
    output = json.loads(data)
    return output


@st.cache
def fetch_python_code(url: str):
    data = urllib.request.urlopen(url).read()
    return data.decode("utf-8")


if __name__ == "__main__":
    main()