Source code for ax.storage.json_store.save

#!/usr/bin/env python3
# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

# pyre-strict

import json
from typing import Any, Callable, Dict, Type

from ax.core.experiment import Experiment
from ax.storage.json_store.encoder import object_to_json
from ax.storage.json_store.registry import (
    CORE_CLASS_ENCODER_REGISTRY,
    CORE_ENCODER_REGISTRY,
)


[docs]def save_experiment( experiment: Experiment, filepath: str, # pyre-fixme[2]: Parameter annotation cannot contain `Any`. # pyre-fixme[24]: Generic type `type` expects 1 type parameter, use # `typing.Type` to avoid runtime subscripting errors. encoder_registry: Dict[ Type, Callable[[Any], Dict[str, Any]] ] = CORE_ENCODER_REGISTRY, # pyre-fixme[2]: Parameter annotation cannot contain `Any`. # pyre-fixme[24]: Generic type `type` expects 1 type parameter, use # `typing.Type` to avoid runtime subscripting errors. class_encoder_registry: Dict[ Type, Callable[[Any], Dict[str, Any]] ] = CORE_CLASS_ENCODER_REGISTRY, ) -> None: """Save experiment to file. 1) Convert Ax experiment to JSON-serializable dictionary. 2) Write to file. """ if not isinstance(experiment, Experiment): raise ValueError("Can only save instances of Experiment") if not filepath.endswith(".json"): raise ValueError("Filepath must end in .json") json_experiment = object_to_json( experiment, encoder_registry=encoder_registry, class_encoder_registry=class_encoder_registry, ) with open(filepath, "w+") as file: file.write(json.dumps(json_experiment))