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42 lines
1.3 KiB
Python
42 lines
1.3 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 asyncio
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import importlib
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from typing import Any, Dict
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from .datatypes import ProviderSpec, RemoteProviderSpec
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def instantiate_class_type(fully_qualified_name):
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module_name, class_name = fully_qualified_name.rsplit(".", 1)
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module = importlib.import_module(module_name)
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return getattr(module, class_name)
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# returns a class implementing the protocol corresponding to the Api
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def instantiate_provider(
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provider_spec: ProviderSpec,
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provider_config: Dict[str, Any],
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deps: Dict[str, ProviderSpec],
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):
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module = importlib.import_module(provider_spec.module)
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config_type = instantiate_class_type(provider_spec.config_class)
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if isinstance(provider_spec, RemoteProviderSpec):
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if provider_spec.adapter:
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method = "get_adapter_impl"
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else:
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method = "get_client_impl"
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else:
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method = "get_provider_impl"
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config = config_type(**provider_config)
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fn = getattr(module, method)
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impl = asyncio.run(fn(config, deps))
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impl.__provider_spec__ = provider_spec
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impl.__provider_config__ = config
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return impl
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