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32 lines
966 B
Python
32 lines
966 B
Python
import os
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from typing import IO
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from typing import Any
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import yaml
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import yaml.loader
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import yaml.nodes
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# =====
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def load_yaml_file(path: str) -> Any:
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with open(path) as yaml_file:
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try:
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return yaml.load(yaml_file, _YamlLoader)
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except Exception:
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# Reraise internal exception as standard ValueError and show the incorrect file
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raise ValueError("Incorrect YAML syntax in file '{}'".format(path))
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class _YamlLoader(yaml.loader.Loader): # pylint: disable=too-many-ancestors
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def __init__(self, yaml_file: IO) -> None:
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yaml.loader.Loader.__init__(self, yaml_file)
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self.__root = os.path.dirname(yaml_file.name)
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def include(self, node: yaml.nodes.Node) -> str:
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path = os.path.join(self.__root, self.construct_scalar(node)) # pylint: disable=no-member
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return load_yaml_file(path)
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_YamlLoader.add_constructor("!include", _YamlLoader.include) # pylint: disable=no-member
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