app.py

from flask import Flask, render_template
from flask_sock import Sock
import time
from datetime import datetime
import requests
import json

app = Flask(__name__)
sock = Sock(app)

api_endpoint = "https://api.publicapis.org/random"


@app.route("/")
@app.route("/index.html")
def root():
    return render_template("index.html")


@sock.route("/clock")
def timeflow(ws):
    while True:
        new_time = """<div id="clock"><p>Current date and time: {}</p></div>""".format(
            datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        )
        ws.send(new_time)
        time.sleep(5)


@sock.route("/api")
def apiflow(ws):
    while True:
        new_api = requests.get(api_endpoint)
        api_dict = json.loads(new_api.text).get("entries")[0]
        new_text = """<div id="api"><p>API name: {0}</p><p>Description: {1}</p><p>link: <a href={2} target="_blank">{2}</a></p></div>""".format(
            api_dict.get("API"), api_dict.get("Description"), api_dict.get("Link")
        )
        ws.send(new_text)
        time.sleep(10)


if __name__ == "__main__":
    app.run(debug=True)