Fetch an environment variable and cast it to the given type.
Source code in zeus/utils/env.py
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23 | def get_env(name: str, valtype: Type[T], default: T | None = None) -> T:
"""Fetch an environment variable and cast it to the given type."""
try:
if valtype is bool:
val = os.environ[name].lower()
if val not in ["true", "false"]:
raise ValueError(f"Strange boolean environment variable value '{val}'")
return cast(T, val == "true")
return valtype(os.environ[name]) # type: ignore
except KeyError:
if default is not None:
return default
raise ValueError(f"Missing environment variable '{name}'") from None
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