How do you track the current user in flask-login?

Question

I'm trying to use the current user in my view from flask-login. So I tried to use the g object

I'm assigning flask.ext.login.current_user to the g object

@pot.before_request
def load_users():
    g.user = current_user.username

It works if the user is correct. But when I sign-up or login with the wrong credentials I get this error:

`AttributeError: 'AnonymousUserMixin' object has no attribute 'username'`

Please enlight me where am I wrong...

Answer 1

Thanks for your answer @Joe and @pjnola, as you all suggested i referred flask-login docs

I found that we can customize the anonymous user class, so i customized for my requirement,

Anonymous class

#!/usr/bin/python
#flask-login anonymous user class
from flask.ext.login import AnonymousUserMixin
class Anonymous(AnonymousUserMixin):
  def __init__(self):
    self.username = 'Guest'

Then added this class to anonymous_user

login_manager.anonymous_user = Anonymous

From this it was able to fetch the username if it was anonymous request.