Fix deleted datasets on App server

[benjaminpkane]

import fiftyone as fo
import fiftyone.zoo as foz

dataset = foz.load_zoo_dataset("quickstart")
session = fo.launch_app(dataset)

#.wait for App, then delete dataset and recreate
dataset.delete()
dataset = foz.load_zoo_dataset("quickstart")

# refresh browser page

Summary by CodeRabbit

• New Features

  • Enhanced dataset loading mechanism to ensure datasets are loaded correctly and efficiently.
  • Improved error handling for loading saved views, allowing for more robust dataset view creation.

• Bug Fixes

  • Adjusted error handling logic to better manage exceptions during dataset and view loading.

• Refactor

  • Updated method signatures for better control over dataset loading behavior.

[coderabbitai[bot]]

Walkthrough

The changes involve modifications to the DatasetSingleton class's __call__ method in fiftyone/core/singletons.py, specifically updating the _update_last_loaded_at method to accept a new force argument. In fiftyone/server/query.py, the serialize_dataset function has been significantly revised to change the dataset loading mechanism and improve error handling. The new implementation ensures datasets are forcibly loaded without creating new instances and enhances the serialization process, including document conversion.

Changes

File Path	Change Summary
fiftyone/core/singletons.py	Updated _update_last_loaded_at method to accept an additional force argument.
fiftyone/server/query.py	Modified serialize_dataset function to replace dataset loading mechanism and improve error handling.

Poem

In the meadow where datasets play,
A rabbit hops in a joyful way.
With a forceful load, they leap and bound,
New methods found, oh what a sound!
Error handling now shines bright,
In the world of code, all feels right! 🐇✨

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