flask login code example

Example 1: check if user log in flask

from flask_login import current_user

@app.route(...)
def your_route():
    return current_user.is_authenticated

Example 2: flask login install

pip install flask-login

Example 3: flask console log

from __future__ import print_function # In python 2.7
import sys

@app.route('/button/')
def button_clicked():
    print('Hello world!', file=sys.stderr)
    return redirect('/')

Example 4: flask user create account at

<p><i class="fa fa-fw fa-calendar"></i>Create account at {{ user.create_account.strftime('%Y-%m-%d') }}</p>

Example 5: can't import flask login

pip3 install flask-login