tfx.v1.types.standard_artifacts.ModelBlessing

Artifact that contains the evaluation of a trained model.

Inherits From: Artifact

tfx.v1.types.standard_artifacts.ModelBlessing(
    *args, **kwargs
)

This artifact is usually used with Conditional when determining whether to push this model on service or not.

# Run pusher if evaluator has blessed the model.
with tfx.dsl.Cond(evaluator.outputs['blessing'].future()
                  [0].custom_property('blessed') == 1):
  pusher = Pusher(...)

• File structure:

  • {uri}/
    • BLESSED: if the evaluator has blessed the model.
    • NOT_BLESSED: if the evaluator has not blessed the model.
  • See tfx/components/evaluator/executor.py for how to write ModelBlessing.

• Commonly used custom properties of the ModelBlessing artifact:

  • blessed: int value that represents whether the evaluator has blessed its model or not.