wehub-resource-sync
34 lines
956 B
Python
34 lines
956 B
Python
import os
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from ..types import NotGivenOr
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from .misc import is_given
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def resolve_env_var(val: NotGivenOr[str], *env_vars: str, default: str = "") -> str:
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"""
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Resolve an environment variable from a list of potential sources.
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Args:
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val: The value to resolve.
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*env_vars: The environment variables to check. Order matters, the first non-None value will be returned.
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default: The default value to return if no environment variables are set.
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Returns:
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The resolved environment variable.
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Examples:
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>>> resolve_env_var(
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... NOT_GIVEN,
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... "ABC_URL",
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... default="https://agent-gateway.livekit.cloud/v1",
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... )
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"https://agent-gateway.livekit.cloud/v1"
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"""
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if is_given(val):
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return val
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for env_var in env_vars:
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curr_val = os.getenv(env_var, None)
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if curr_val is not None and curr_val != "":
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return curr_val
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return default
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