def edit_profile(): form = EditProfileForm(current_user.username, current_user.email) if form.validate_on_submit() or form.validate_username_email( form.username.data, form.email.data): #if true, then save the entered data to db current_user.username = form.username.data current_user.email = form.email.data current_user.about_me = form.about_me.data db.session.commit() flash(_('your changes have been saved')) return redirect(url_for('edit_profile')) elif request.method == 'GET': #if it is a get request, pre-populate the fields with already saved data form.username.data = current_user.username form.email.data = current_user.email form.about_me.data = current_user.about_me return render_template('edit_profile.html', title='Edit Profile', form=form)