Source code for ax.storage.json_store.load
#!/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.decoder import object_from_json
from ax.storage.json_store.registry import (
CORE_CLASS_DECODER_REGISTRY,
CORE_DECODER_REGISTRY,
)
[docs]def load_experiment(
filepath: str,
# pyre-fixme[24]: Generic type `type` expects 1 type parameter, use
# `typing.Type` to avoid runtime subscripting errors.
decoder_registry: Dict[str, Type] = CORE_DECODER_REGISTRY,
# pyre-fixme[2]: Parameter annotation cannot contain `Any`.
class_decoder_registry: Dict[
str, Callable[[Dict[str, Any]], Any]
] = CORE_CLASS_DECODER_REGISTRY,
) -> Experiment:
"""Load experiment from file.
1) Read file.
2) Convert dictionary to Ax experiment instance.
"""
with open(filepath, "r") as file:
json_experiment = json.loads(file.read())
return object_from_json(
json_experiment, decoder_registry, class_decoder_registry
)