master rad

from flask import Flask
from flask import Flask, flash, redirect, render_template, request, session, abort
import os
from sqlalchemy.orm import sessionmaker
from tabledef import *
engine = create_engine('sqlite:///tutorial.db', echo=True)

app = Flask(__name__)

@app.route('/')
def home():
    if not session.get('logged_in'):
        return render_template('login.html')
    else:
        return " <div><object type=\"text/html\" data=\"http://192.168.0.5:8080/webvisu.htm\" width=\"100%\" height=\"70%\" style=\"overflow:auto\"></object><button onclick=\"location.replace('/logout')\">Logout</button></div>"

@app.route('/login', methods=['POST'])
def do_admin_login():

    POST_USERNAME = str(request.form['username'])
    POST_PASSWORD = str(request.form['password'])

    Session = sessionmaker(bind=engine)
    s = Session()
    query = s.query(User).filter(User.username.in_([POST_USERNAME]), User.password.in_([POST_PASSWORD]) )
    result = query.first()
    if result:
        session['logged_in'] = True
    else:
        flash('wrong password!')
    return home()

@app.route("/logout")
def logout():
    session['logged_in'] = False
    return home()

if __name__ == "__main__":
    app.secret_key = os.urandom(12)

app.run(debug=True,host='0.0.0.0', port=4000)