dosubot[bot] commented on issue #29908:
URL: https://github.com/apache/superset/issues/29908#issuecomment-2281116512
<!-- Answer -->
To address the warning `WARNING:root:Class 'werkzeug.local.LocalProxy' is
not mapped`, you need to ensure that `LocalProxy` objects are properly handled
in your Superset configuration. This warning typically occurs when `LocalProxy`
objects are passed to SQLAlchemy or other ORMs that expect a mapped class.
Here are steps to resolve this:
1. **Access the underlying object behind the `LocalProxy`**: Ensure that you
are accessing the actual object behind the `LocalProxy` before passing it to
any ORM operations.
2. **Update your configuration**: Modify your `superset_config.py` to handle
`LocalProxy` objects correctly.
Here is an example of how you can handle `LocalProxy` objects in your
configuration:
```python
from flask import Flask
from werkzeug.local import LocalProxy
from superset.extensions import cache_manager, results_backend_manager
def create_app():
app = Flask(__name__)
# Initialize your app and extensions here
# ...
# Explicitly map or handle LocalProxy objects
app.config['CACHE'] = cache_manager.cache
app.config['CONF'] = LocalProxy(lambda: app.config)
app.config['RESULTS_BACKEND'] = LocalProxy(lambda:
results_backend_manager.results_backend)
app.config['RESULTS_BACKEND_USE_MSGPACK'] = LocalProxy(lambda:
results_backend_manager.should_use_msgpack)
app.config['DATA_CACHE'] = LocalProxy(lambda: cache_manager.data_cache)
app.config['THUMBNAIL_CACHE'] = LocalProxy(lambda:
cache_manager.thumbnail_cache)
app.config['ASYNC_QUERY_MANAGER'] = LocalProxy(lambda:
async_query_manager_factory.instance)
app.config['EVENT_LOGGER'] = LocalProxy(lambda:
_event_logger.get("event_logger"))
app.config['SECURITY_MANAGER'] = LocalProxy(lambda: appbuilder.sm)
return app
```
By explicitly mapping these proxies in your application configuration, you
can help ensure that they are properly recognized and handled, which should
address the warning
<sup>[[1]](https://github.com/apache/superset/blob/master/superset/extensions/__init__.py)</sup>.
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