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- # Copyright (c) 2021, NVIDIA CORPORATION. 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.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License 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 yaml
- import os
- from typing import List, Dict
- class FeatureSpec:
- def __init__(self, feature_spec, source_spec, channel_spec, metadata, base_directory):
- self.feature_spec: Dict = feature_spec
- self.source_spec: Dict = source_spec
- self.channel_spec: Dict = channel_spec
- self.metadata: Dict = metadata
- self.base_directory: str = base_directory
- @classmethod
- def from_yaml(cls, path):
- with open(path, 'r') as feature_spec_file:
- base_directory = os.path.dirname(path)
- feature_spec = yaml.safe_load(feature_spec_file)
- return cls.from_dict(feature_spec, base_directory=base_directory)
- @classmethod
- def from_dict(cls, source_dict, base_directory):
- return cls(base_directory=base_directory, **source_dict)
- def to_dict(self) -> Dict:
- attributes_to_dump = ['feature_spec', 'source_spec', 'channel_spec', 'metadata']
- return {attr: self.__dict__[attr] for attr in attributes_to_dump}
- def to_string(self):
- return yaml.dump(self.to_dict())
- def to_yaml(self, output_path=None):
- if not output_path:
- output_path = self.base_directory + '/feature_spec.yaml'
- with open(output_path, 'w') as output_file:
- print(yaml.dump(self.to_dict()), file=output_file)
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