Sessions in flask

 @app.route("/login",methods = ["POST","GET"])  
    def login():  
        if request.method == "POST":  
            try:   
                Email = request.form["email"]
                pwd = request.form["pwd"]    
                with sqlite3.connect("Account.db") as con:  
                    cur = con.cursor()
                    print("Connection test")   
                    cur.execute("SELECT * FROM Account WHERE Email= ? and Password= ?",(Email, pwd))
                    row = cur.fetchone()
                    print("query test")  
                    while row is not None:
                        session['email']=request.form['email']  
                        print(row[1])
                        return render_template("success.html",msg = msg)
                    else:
                        msg = "sorry wrong id"
                        return render_template("failure.html",msg = msg)
            except:  
                con.rollback()  
                msg = "problem"  
if 'email' in session:
        email = session['email']   
        return render_template("view.html") 
    else:
        return '<p>Please login first</p>'

Source: stackoverflow.com

Similar codes

2 votes427 views1 answer
Check if user log in flask
Python Flask
0 vote392 views1 answer
Form is undefined flask
Python Flask
0 vote495 views1 answer
Flask request file push request(uploadedfile= request.file) uploadedfile.read()
Python Flask
0 vote376 views1 answer
Flask request post with json
Python Flask
2 votes352 views1 answer
Flask make static directory
Python Flask
1 vote388 views1 answer
Return json with flask
Python Flask
0 vote496 views1 answer
ImportError: cannot import name 'MigrateCommand' from 'flask_migrate'
Python Flask
1 vote401 views1 answer
How to create routes in flask
Python Flask
0 vote392 views1 answer
Linking bootstrap in flask
Python Flask
0 vote399 views1 answer
Set environment variable flask app
Python Flask