def do_logout(self):
"""Logout a user."""
# silent unsubscription (sans sub/nosub msg) from LoggedInUser pub
API.do_unsub(this.user_sub_id, silent=True)
del this.user_sub_id
self.update_subs(None)
user_logged_out.send(
sender=self.user_model, request=this.request, user=this.user,
)
this.user_id = None
this.user_ddp_id = None
