Configure Flask-Security

extensions.py

...
def configure_security(app):
    # Flask-Security / Flask-Social / Flask-Login / Flask-Principal
    from flask_security import Security
    from flask_security.datastore import SQLAlchemyUserDatastore
    from flask_social import Social
    from flask_social.datastore import SQLAlchemyConnectionDatastore

    Security(app, SQLAlchemyUserDatastore(db, models.User, models.Role))
    Social(app, SQLAlchemyConnectionDatastore(db, models.Connection))

    # Set custom anonymous class
    from application.auth.models import AnonymousUser
    app.security.login_manager.anonymous_user = AnonymousUser
...