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November 3, 2022 12:16
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| """ | |
| This is an adjusted version of the following file: https://github.com/outerbounds/dsbook/blob/main/chapter-3/classifier_predict.py | |
| """ | |
| from metaflow import FlowSpec, step, Flow, Parameter, JSONType, project, conda_base | |
| @project(name="dummy_example") | |
| @conda_base(python="3.8.13", libraries={"pandas": "1.5", "scikit-learn": "1.1.2"}) | |
| class ClassifierPredictFlow(FlowSpec): | |
| vector = Parameter("vector", type=JSONType, required=True) | |
| @step | |
| def start(self): | |
| run = Flow("ClassifierTrainFlow").latest_run | |
| self.train_run_id = run.pathspec | |
| self.model = run["end"].task.data.model | |
| print("Input vector", self.vector) | |
| self.next(self.end) | |
| @step | |
| def end(self): | |
| print("Predicted class", self.model.predict([self.vector])[0]) | |
| if __name__ == "__main__": | |
| ClassifierPredictFlow() |
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