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https://github.com/meta-llama/llama-stack.git
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49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import json
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import threading
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from typing import Any, Dict, Optional
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from .utils.dynamic import instantiate_class_type
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_THREAD_LOCAL = threading.local()
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def get_request_provider_data() -> Any:
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return getattr(_THREAD_LOCAL, "provider_data", None)
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def set_request_provider_data(headers: Dict[str, str], validator_class: Optional[str]):
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if not validator_class:
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return
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keys = [
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"X-LlamaStack-ProviderData",
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"x-llamastack-providerdata",
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]
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for key in keys:
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val = headers.get(key, None)
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if val:
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break
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if not val:
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return
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try:
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val = json.loads(val)
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except json.JSONDecodeError:
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print("Provider data not encoded as a JSON object!", val)
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return
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validator = instantiate_class_type(validator_class)
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try:
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provider_data = validator(**val)
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except Exception as e:
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print("Error parsing provider data", e)
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return
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_THREAD_LOCAL.provider_data = provider_data
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