Jun-11-2020, 03:02 AM
Hey guys I'm working on a log in page and I'm getting an error that it's a tuple value but I am just trying to get one value. Does anyone see the error in my code?
Thanks!
Thanks!
import os
import psycopg2
from flask import Flask, session, render_template, request
from flask_session import Session
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
app = Flask(__name__)
# Check for environment variable
if not os.getenv("DATABASE_URL"):
raise RuntimeError("DATABASE_URL is not set")
DATABASE_URL = os.environ['DATABASE_URL']
conn = psycopg2.connect(DATABASE_URL, sslmode='require')
# Configure session to use filesystem
app.config["SESSION_PERMANENT"] = False
app.config["SESSION_TYPE"] = "filesystem"
Session(app)
# Set up database
engine = create_engine(os.getenv("DATABASE_URL"))
db = scoped_session(sessionmaker(bind=engine))
@app.route("/welcome")
def index():
return render_template("welcome.html")
@app.route("/login")
def login():
password = request.form.get("password")
username = request.form.get("username")
db.execute('SELECT * FROM users WHERE username = %s AND password = %s', (username, password,))
account = db.fetchone()
if account:
return render_template("login.html")
else:
print "No!"
@app.route("/home")
def home():
return render_template("home.html")
@app.route("/register", methods=["GET", "POST"])
def register():
if request.method == "GET":
return render_template("register.html")
elif request.method == "POST":
password = request.form.get("password")
username = request.form.get("username")
session.clear()
db.execute("INSERT INTO users (username, password) VALUES (:username, :password)", {"username":username, "password":password})
db.commit()
return render_template("login.html")
