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Add the option to use environment variables for api keys in config files #130

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Add the option to use environment variables for api keys in config files #130

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Add the option to use environment variables for api keys in config fi…
benjaminy Jul 8, 2025
8dce793
Merge remote-tracking branch 'upstream/main'
benjaminy Aug 14, 2025
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5 changes: 5 additions & 0 deletions openevolve/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -282,6 +282,11 @@ def from_dict(cls, config_dict: Dict[str, Any]) -> "Config":
llm_dict["evaluator_models"] = [
LLMModelConfig(**m) for m in llm_dict["evaluator_models"]
]
api_key = llm_dict.get("api_key", "").strip()
if api_key.startswith("${") and api_key.endswith("}"):
api_key_env = os.environ.get(api_key[2:-1])
if api_key_env is not None:
llm_dict["api_key"] = api_key_env
config.llm = LLMConfig(**llm_dict)
if "prompt" in config_dict:
config.prompt = PromptConfig(**config_dict["prompt"])
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