btl_app = options.pop('app', None)
    def run_lambda():
        return btl.run(
            host=options['host'],
            port=options['port'],
            server=wbs.GeventWebSocketServer,
            quiet=True,
            app=btl_app)  # Passing the app instance from options

"""
Entry Point to The App
"""

import logging
import os
import sys
from tkinter import Tk, messagebox
import eel

import bottle
from bottle import request
import beaker.middleware
import time


def show_error(title, msg):
    root = Tk()
    root.withdraw()  # hide main window
    messagebox.showerror(title, msg)
    root.destroy()


@eel.expose
def increment_num():
    print("HERE")
    session = request.environ['beaker.session']
    session['num'] = session.get('num', 0) + 1
    print(session['num'])
    time.sleep(1)
    eel.call_py()()  # Calling caller (js function)


def start_app():
    # Start the server
    try:
        BASEDIR = os.path.dirname(os.path.abspath(__file__))
        web_dir = BASEDIR
        start_html_page = 'index.html'
        eel.init(web_dir)
        logging.info("App Started")

        session_opts = {
            'session.type': 'file',
            'session.data_dir': './session/',
            'session.auto': True,
        }

        app = beaker.middleware.SessionMiddleware(bottle.app(), session_opts)

        options = {'host': 'localhost', 'port': 0, 'app': app}  # Need to provide a btl app to eel

        eel.start(start_html_page, options=options)
    except Exception as e:
        err_msg = 'Could not launch a local server'
        logging.error('{}\n{}'.format(err_msg, e.args))
        show_error(title='Failed to initialise server', msg=err_msg)
        logging.info('Closing App')
        sys.exit()


if __name__ == "__main__":
    start_app()