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Predictor()Interface of the Predictor class for Custom Prediction Routines.
The Predictor is responsible for the ML logic for processing a prediction request. Specifically, the Predictor must define: (1) How to load all model artifacts used during prediction into memory. (2) The logic that should be executed at predict time.
When using the default PredictionHandler, the Predictor will be invoked as
follows:
predictor.postprocess(predictor.predict(predictor.preprocess(prediction_input)))
Methods
load
load(artifacts_uri: str) -> NoneLoads the model artifact.
| Parameter | |
|---|---|
| Name | Description |
artifacts_uri |
str
Required. The value of the environment variable AIP_STORAGE_URI. |
postprocess
postprocess(prediction_results: typing.Any) -> typing.AnyPostprocesses the prediction results.
| Parameter | |
|---|---|
| Name | Description |
prediction_results |
Any
Required. The prediction results. |
predict
predict(instances: typing.Any) -> typing.AnyPerforms prediction.
| Parameter | |
|---|---|
| Name | Description |
instances |
Any
Required. The instance(s) used for performing prediction. |
preprocess
preprocess(prediction_input: typing.Any) -> typing.AnyPreprocesses the prediction input before doing the prediction.
| Parameter | |
|---|---|
| Name | Description |
prediction_input |
Any
Required. The prediction input that needs to be preprocessed. |