def get_current_user(cls, app):
"""
A method to obtain current login user.
It returns None when no user is logging in.
"""
tuser = TwitterOAuth.get_user(app.get_controller())
if tuser:
user = User.get_user(tuser['nickname'])
return user
return None
def login():
"""
A function to perform login to post images.
"""
tuser = TwitterOAuth.get_user(app.get_controller())
user = User.get_current_user(app)
if not user:
user = User(username = tuser['nickname'])
user.name = tuser['realname']
user.profile_image_url = tuser['icon_url']
user.put()
app.session['message'] = 'logged in'
app.session.put()
app.redirect('/')
