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https://github.com/meta-llama/llama-stack.git
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9e6561a1ec
# What does this PR do? The goal of this PR is code base modernization. Schema reflection code needed a minor adjustment to handle UnionTypes and collections.abc.AsyncIterator. (Both are preferred for latest Python releases.) Note to reviewers: almost all changes here are automatically generated by pyupgrade. Some additional unused imports were cleaned up. The only change worth of note can be found under `docs/openapi_generator` and `llama_stack/strong_typing/schema.py` where reflection code was updated to deal with "newer" types. Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
160 lines
4.3 KiB
Python
160 lines
4.3 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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from enum import Enum
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from typing import Any, Literal
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from pydantic import BaseModel, Field
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from typing_extensions import Protocol, runtime_checkable
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from llama_stack.apis.common.content_types import URL, InterleavedContent
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from llama_stack.apis.resource import Resource, ResourceType
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from llama_stack.providers.utils.telemetry.trace_protocol import trace_protocol
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from llama_stack.schema_utils import json_schema_type, webmethod
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from .rag_tool import RAGToolRuntime
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@json_schema_type
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class ToolParameter(BaseModel):
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name: str
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parameter_type: str
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description: str
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required: bool = Field(default=True)
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default: Any | None = None
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@json_schema_type
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class ToolHost(Enum):
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distribution = "distribution"
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client = "client"
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model_context_protocol = "model_context_protocol"
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@json_schema_type
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class Tool(Resource):
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type: Literal[ResourceType.tool.value] = ResourceType.tool.value
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toolgroup_id: str
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tool_host: ToolHost
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description: str
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parameters: list[ToolParameter]
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metadata: dict[str, Any] | None = None
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@json_schema_type
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class ToolDef(BaseModel):
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name: str
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description: str | None = None
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parameters: list[ToolParameter] | None = None
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metadata: dict[str, Any] | None = None
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@json_schema_type
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class ToolGroupInput(BaseModel):
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toolgroup_id: str
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provider_id: str
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args: dict[str, Any] | None = None
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mcp_endpoint: URL | None = None
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@json_schema_type
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class ToolGroup(Resource):
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type: Literal[ResourceType.tool_group.value] = ResourceType.tool_group.value
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mcp_endpoint: URL | None = None
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args: dict[str, Any] | None = None
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@json_schema_type
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class ToolInvocationResult(BaseModel):
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content: InterleavedContent | None = None
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error_message: str | None = None
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error_code: int | None = None
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metadata: dict[str, Any] | None = None
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class ToolStore(Protocol):
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def get_tool(self, tool_name: str) -> Tool: ...
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def get_tool_group(self, toolgroup_id: str) -> ToolGroup: ...
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class ListToolGroupsResponse(BaseModel):
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data: list[ToolGroup]
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class ListToolsResponse(BaseModel):
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data: list[Tool]
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class ListToolDefsResponse(BaseModel):
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data: list[ToolDef]
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@runtime_checkable
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@trace_protocol
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class ToolGroups(Protocol):
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@webmethod(route="/toolgroups", method="POST")
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async def register_tool_group(
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self,
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toolgroup_id: str,
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provider_id: str,
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mcp_endpoint: URL | None = None,
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args: dict[str, Any] | None = None,
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) -> None:
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"""Register a tool group"""
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...
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@webmethod(route="/toolgroups/{toolgroup_id:path}", method="GET")
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async def get_tool_group(
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self,
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toolgroup_id: str,
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) -> ToolGroup: ...
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@webmethod(route="/toolgroups", method="GET")
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async def list_tool_groups(self) -> ListToolGroupsResponse:
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"""List tool groups with optional provider"""
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...
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@webmethod(route="/tools", method="GET")
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async def list_tools(self, toolgroup_id: str | None = None) -> ListToolsResponse:
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"""List tools with optional tool group"""
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...
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@webmethod(route="/tools/{tool_name:path}", method="GET")
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async def get_tool(
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self,
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tool_name: str,
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) -> Tool: ...
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@webmethod(route="/toolgroups/{toolgroup_id:path}", method="DELETE")
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async def unregister_toolgroup(
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self,
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toolgroup_id: str,
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) -> None:
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"""Unregister a tool group"""
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...
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class SpecialToolGroup(Enum):
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rag_tool = "rag_tool"
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@runtime_checkable
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@trace_protocol
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class ToolRuntime(Protocol):
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tool_store: ToolStore | None = None
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rag_tool: RAGToolRuntime | None = None
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# TODO: This needs to be renamed once OPEN API generator name conflict issue is fixed.
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@webmethod(route="/tool-runtime/list-tools", method="GET")
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async def list_runtime_tools(
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self, tool_group_id: str | None = None, mcp_endpoint: URL | None = None
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) -> ListToolDefsResponse: ...
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@webmethod(route="/tool-runtime/invoke", method="POST")
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async def invoke_tool(self, tool_name: str, kwargs: dict[str, Any]) -> ToolInvocationResult:
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"""Run a tool with the given arguments"""
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...
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