#index.py
import sys
from routes import index
from routes import login

app = index.app
app.mount('/login', login.app)

if sys.platform == 'win32':
    app.run(host='localhost', port=7000, debug=True, reloader=True)

#routes/login.py
from bottle import Bottle

app = Bottle()

@app.route('/', method="post")
def checkUser():
    from controllers.login import checkUser
    return checkUser.call()

#controllers/login/checkUser.py
import config
from copy import deepcopy
from bottle import template, request, response, redirect
from models.userdb import checkUserDB

def call():
    kdict = deepcopy(config.kdict)
    password = request.forms.getunicode('password')
    email = request.forms.getunicode('email')
    
    user = checkUserDB.call(email, password)
    
    if user:
        kdict["siteLogo"] = 'ទំព័រ​គ្រប់គ្រង'
        response.set_cookie('logged-in', user, path='/', secret=kdict['SECRET_KEY'])
        return redirect('/dashboard')
    else:
        kdict['message'] = 'អ្នក​គ្មាន​ឈ្មោះ​ក្នុង​បញ្ជី​ទេ'
        return template('index', data=kdict)

#models/userdb/checkUserDB.py
import setConnection

def call(email, password):
    cursor, connection = setConnection.call()

    cursor.execute("SELECT * FROM users WHERE email=? AND password=?", (email, password))
    user = cursor.fetchone()
    cursor.close()

    return user

#setConnection.py
import sqlite3, config

def call():
    connection = sqlite3.connect(config.kdict['DATABASE_URI'])
    cursor = connection.cursor()

    return cursor, connection

GitHub: https://github.com/Sokhavuth/REST-API

Vercel: https://rest-api-zeta.vercel.app