llama-stack-mirror/llama_stack/providers/inline/safety/llama_guard/config.py

37 lines
1.1 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
from typing import List
from llama_models.sku_list import CoreModelId, safety_models
from pydantic import BaseModel, field_validator
class LlamaGuardConfig(BaseModel):
model: str = "Llama-Guard-3-1B"
excluded_categories: List[str] = []
@field_validator("model")
@classmethod
def validate_model(cls, model: str) -> str:
permitted_models = [
m.descriptor()
for m in safety_models()
if (
m.core_model_id
in {
CoreModelId.llama_guard_3_8b,
CoreModelId.llama_guard_3_1b,
CoreModelId.llama_guard_3_11b_vision,
}
)
]
if model not in permitted_models:
raise ValueError(
f"Invalid model: {model}. Must be one of {permitted_models}"
)
return model