mirror of
https://github.com/meta-llama/llama-stack.git
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109 lines
3.4 KiB
Python
109 lines
3.4 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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from typing import Any, List, Optional, Union
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from llama_models.llama3.api.datatypes import * # noqa: F403
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from llama_stack.apis.models import * # noqa: F403
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from llama_stack.apis.shields import * # noqa: F403
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from llama_stack.apis.memory_banks import * # noqa: F403
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from llama_stack.apis.inference import Inference
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from llama_stack.apis.memory import Memory
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from llama_stack.apis.safety import Safety
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from llama_stack.distribution.datatypes import * # noqa: F403
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RoutableObject = Union[
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ModelDef,
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ShieldDef,
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MemoryBankDef,
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]
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RoutedProtocol = Union[
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Inference,
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Safety,
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Memory,
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]
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class CommonRoutingTableImpl(RoutingTable):
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def __init__(
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self,
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registry: List[RoutableObject],
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impls_by_provider_id: Dict[str, RoutedProtocol],
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) -> None:
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for obj in registry:
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if obj.provider_id not in impls_by_provider_id:
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raise ValueError(
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f"Provider `{obj.provider_id}` pointed by `{obj.identifier}` not found"
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)
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self.impls_by_provider_id = impls_by_provider_id
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self.registry = registry
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async def initialize(self) -> None:
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keys_by_provider = {}
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for obj in self.registry:
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keys = keys_by_provider.setdefault(obj.provider_id, [])
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keys.append(obj.routing_key)
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for provider_id, keys in keys_by_provider.items():
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p = self.impls_by_provider_id[provider_id]
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spec = p.__provider_spec__
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if is_passthrough(spec):
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continue
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await p.validate_routing_keys(keys)
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async def shutdown(self) -> None:
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pass
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def get_provider_impl(self, routing_key: str) -> Any:
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if routing_key not in self.routing_key_to_object:
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raise ValueError(f"Could not find provider for {routing_key}")
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obj = self.routing_key_to_object[routing_key]
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return self.impls_by_provider_id[obj.provider_id]
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def get_object_by_identifier(self, identifier: str) -> Optional[RoutableObject]:
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for obj in self.registry:
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if obj.identifier == identifier:
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return obj
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return None
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class ModelsRoutingTable(CommonRoutingTableImpl, Models):
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async def list_models(self) -> List[ModelDef]:
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return self.registry
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async def get_model(self, identifier: str) -> Optional[ModelDef]:
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return self.get_object_by_identifier(identifier)
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async def register_model(self, model: ModelDef) -> None:
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raise NotImplementedError()
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class ShieldsRoutingTable(CommonRoutingTableImpl, Shields):
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async def list_shields(self) -> List[ShieldDef]:
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return self.registry
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async def get_shield(self, shield_type: str) -> Optional[ShieldDef]:
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return self.get_object_by_identifier(shield_type)
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async def register_shield(self, shield: ShieldDef) -> None:
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raise NotImplementedError()
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class MemoryBanksRoutingTable(CommonRoutingTableImpl, MemoryBanks):
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async def list_memory_banks(self) -> List[MemoryBankDef]:
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return self.registry
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async def get_memory_bank(self, identifier: str) -> Optional[MemoryBankDef]:
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return self.get_object_by_identifier(identifier)
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async def register_memory_bank(self, bank: MemoryBankDef) -> None:
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raise NotImplementedError()
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