GitHub user dosubot[bot] added a comment to the discussion: An error occurs
when accessing /users/userinfo/ after deleting a user:AttributeError:
'AnonymousUserMixin' object has no attribute 'id'
<!-- Answer -->
To override the Flask-AppBuilder userinfo view and avoid the AttributeError,
you can subclass the original view and add a check for anonymous users before
accessing user attributes. For example, create a custom view that extends the
original, override the userinfo method, and check if g.user is anonymous (using
g.user.is_anonymous or hasattr(g.user, "id")). If the user is anonymous,
redirect to login or show an error; otherwise, proceed as normal.
Here's a minimal example:
```python
from flask import g, redirect, url_for
from flask_appbuilder.security.views import UserDBModelView
class CustomUserInfoView(UserDBModelView):
@expose('/userinfo/')
def userinfo(self):
if not hasattr(g.user, "id") or getattr(g.user, "is_anonymous", False):
return redirect(url_for('AuthDBView.login'))
return super().userinfo()
```
Then, register this custom view with your appbuilder instance, replacing the
default one. This pattern is similar to how custom authentication views are
created in Superset and Flask-AppBuilder, as shown in [this
example](https://github.com/apache/superset/discussions/32038).
This approach ensures that if the user is anonymous (for example, after
deletion), the code won't try to access attributes that don't exist, preventing
the AttributeError.
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GitHub link:
https://github.com/apache/superset/discussions/33825#discussioncomment-13519088
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