Source code for gluonts.shell.sagemaker.nested_params

# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# or in the "license" file accompanying this file. This file is distributed
# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
# express or implied. See the License for the specific language governing
# permissions and limitations under the License.
import re
from collections import defaultdict

from toolz.dicttoolz import valmap

from gluonts.core import serde


[docs]def split_by_prefix(data: dict) -> dict: rx = re.compile(r"\$(\w+)\.") namespace: dict = defaultdict(dict) def split_key(key): key_parts = rx.split(key, 1) if len(key_parts) == 1: prefix = "" suffix = key_parts[0] else: _, prefix, suffix = key_parts return prefix, suffix for key, value in data.items(): prefix, suffix = split_key(key) namespace[prefix][suffix] = value return dict(namespace)
[docs]def decode_nested_parameters(parameters: dict) -> dict: inputs = split_by_prefix(parameters) return valmap(serde.flat.decode, inputs)
[docs]def encode_nested_parameters(obj) -> dict: return serde.flat.encode(obj)