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15 lines
396 B
Python
15 lines
396 B
Python
from distutils.util import strtobool
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from os import getenv
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from typing import Optional
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def get_bool(*keys: str, default: bool = None) -> Optional[bool]:
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try:
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value = next(env for env in (getenv(key) for key in keys) if env is not None)
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except StopIteration:
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return default
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try:
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return bool(strtobool(value))
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except ValueError:
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return bool(value)
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