1081 lines
43 KiB
Python
1081 lines
43 KiB
Python
# Copyright (c) Microsoft. All rights reserved.
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import inspect
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import logging
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import sys
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from collections.abc import AsyncIterable, Awaitable, Callable, Iterable
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from copy import copy, deepcopy
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from typing import TYPE_CHECKING, Any, ClassVar, Literal, TypeVar
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from openai import AsyncOpenAI
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from openai._types import Omit, omit
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from openai.lib._parsing._completions import type_to_response_format_param
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from openai.types.beta.assistant import Assistant
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from openai.types.beta.assistant_create_params import (
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ToolResources,
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ToolResourcesCodeInterpreter,
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ToolResourcesFileSearch,
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)
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from openai.types.beta.assistant_response_format_option_param import AssistantResponseFormatOptionParam
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from openai.types.beta.assistant_tool_param import AssistantToolParam
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from openai.types.beta.code_interpreter_tool_param import CodeInterpreterToolParam
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from openai.types.beta.file_search_tool_param import FileSearchToolParam
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from pydantic import BaseModel, Field, SecretStr, ValidationError
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from semantic_kernel.agents import Agent
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from semantic_kernel.agents.agent import (
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AgentResponseItem,
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AgentSpec,
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AgentThread,
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DeclarativeSpecMixin,
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ToolSpec,
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register_agent_type,
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)
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from semantic_kernel.agents.channels.agent_channel import AgentChannel
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from semantic_kernel.agents.channels.open_ai_assistant_channel import OpenAIAssistantChannel
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from semantic_kernel.agents.open_ai.assistant_thread_actions import AssistantThreadActions
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from semantic_kernel.agents.open_ai.run_polling_options import RunPollingOptions
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from semantic_kernel.connectors.ai.function_choice_behavior import FunctionChoiceBehavior
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from semantic_kernel.connectors.ai.open_ai.settings.open_ai_settings import OpenAISettings
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from semantic_kernel.connectors.utils.structured_output_schema import generate_structured_output_response_format_schema
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from semantic_kernel.contents.chat_message_content import ChatMessageContent
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from semantic_kernel.contents.streaming_chat_message_content import StreamingChatMessageContent
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from semantic_kernel.contents.utils.author_role import AuthorRole
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from semantic_kernel.exceptions.agent_exceptions import (
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AgentInitializationException,
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AgentInvokeException,
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AgentThreadOperationException,
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)
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from semantic_kernel.functions import KernelArguments
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from semantic_kernel.functions.kernel_function import TEMPLATE_FORMAT_MAP
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from semantic_kernel.functions.kernel_plugin import KernelPlugin
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from semantic_kernel.kernel import Kernel
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from semantic_kernel.schema.kernel_json_schema_builder import KernelJsonSchemaBuilder
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from semantic_kernel.utils.feature_stage_decorator import release_candidate
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from semantic_kernel.utils.naming import generate_random_ascii_name
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from semantic_kernel.utils.telemetry.agent_diagnostics.decorators import (
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trace_agent_get_response,
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trace_agent_invocation,
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trace_agent_streaming_invocation,
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)
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from semantic_kernel.utils.telemetry.user_agent import APP_INFO, prepend_semantic_kernel_to_user_agent
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if TYPE_CHECKING:
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from openai import AsyncOpenAI
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from openai.types.beta.thread_create_params import Message as ThreadCreateMessage
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from openai.types.beta.threads.run_create_params import TruncationStrategy
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from semantic_kernel.kernel_pydantic import KernelBaseSettings
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from semantic_kernel.prompt_template.prompt_template_config import PromptTemplateConfig
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if sys.version_info >= (3, 12):
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from typing import override # pragma: no cover
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else:
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from typing_extensions import override # pragma: no cover
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if sys.version_info >= (3, 13):
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from warnings import deprecated
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else:
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from typing_extensions import deprecated
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_T = TypeVar("_T", bound="OpenAIAssistantAgent")
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logger: logging.Logger = logging.getLogger(__name__)
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# region Declarative Spec
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_TOOL_BUILDERS: dict[
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str,
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Callable[[ToolSpec, Kernel | None], tuple[list[AssistantToolParam], ToolResources]],
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] = {}
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def _register_tool(tool_type: str):
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def decorator(
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fn: Callable[[ToolSpec, Kernel | None], tuple[list[AssistantToolParam], ToolResources]],
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):
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_TOOL_BUILDERS[tool_type.lower()] = fn
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return fn
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return decorator
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# Update _code_interpreter
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@_register_tool("code_interpreter")
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def _code_interpreter(spec: ToolSpec, kernel: Kernel | None = None) -> tuple[list[AssistantToolParam], ToolResources]:
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file_ids = spec.options.get("file_ids")
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return OpenAIAssistantAgent.configure_code_interpreter_tool(file_ids=file_ids)
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# Update _file_search
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@_register_tool("file_search")
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def _file_search(spec: ToolSpec, kernel: Kernel | None = None) -> tuple[list[AssistantToolParam], ToolResources]:
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vector_store_ids = spec.options.get("vector_store_ids")
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if not vector_store_ids or not isinstance(vector_store_ids, list) or not vector_store_ids[0]:
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raise AgentInitializationException(f"Missing or malformed 'vector_store_ids' in: {spec}")
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return OpenAIAssistantAgent.configure_file_search_tool(vector_store_ids=vector_store_ids)
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def _build_tool(spec: ToolSpec, kernel: "Kernel") -> tuple[list[AssistantToolParam], ToolResources]:
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if not spec.type:
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raise AgentInitializationException("Tool spec must include a 'type' field.")
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try:
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builder = _TOOL_BUILDERS[spec.type.lower()]
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except KeyError as exc:
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raise AgentInitializationException(f"Unsupported tool type: {spec.type}") from exc
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sig = inspect.signature(builder)
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return builder(spec) if len(sig.parameters) == 1 else builder(spec, kernel) # type: ignore[call-arg]
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# endregion
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@release_candidate
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class AssistantAgentThread(AgentThread):
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"""An OpenAI Assistant Agent Thread class."""
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def __init__(
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self,
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client: AsyncOpenAI,
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thread_id: str | None = None,
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messages: Iterable["ThreadCreateMessage"] | Omit = omit,
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metadata: dict[str, Any] | Omit = omit,
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tool_resources: ToolResources | Omit = omit,
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) -> None:
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"""Initialize the OpenAI Assistant Thread.
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Args:
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client: The AsyncOpenAI client.
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thread_id: The ID of the thread
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messages: The messages in the thread.
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metadata: The metadata.
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tool_resources: The tool resources.
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"""
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super().__init__()
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if client is None:
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raise ValueError("Client cannot be None")
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self._client = client
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self._id = thread_id
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self._messages = messages
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self._metadata = metadata
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self._tool_resources = tool_resources
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@override
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async def _create(self) -> str:
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"""Starts the thread and returns its ID."""
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try:
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response = await self._client.beta.threads.create(
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messages=self._messages,
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metadata=self._metadata,
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tool_resources=self._tool_resources,
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)
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except Exception as ex:
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raise AgentThreadOperationException(
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"The thread could not be created due to an error response from the service."
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) from ex
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return response.id
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@override
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async def _delete(self) -> None:
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"""Ends the current thread."""
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if self._id is None:
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raise AgentThreadOperationException("The thread cannot be deleted because it has not been created yet.")
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try:
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await self._client.beta.threads.delete(self._id)
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except Exception as ex:
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raise AgentThreadOperationException(
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"The thread could not be deleted due to an error response from the service."
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) from ex
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@override
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async def _on_new_message(self, new_message: str | ChatMessageContent) -> None:
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"""Called when a new message has been contributed to the chat."""
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if isinstance(new_message, str):
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new_message = ChatMessageContent(role=AuthorRole.USER, content=new_message)
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# Only add the message to the thread if it's not already there
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if (
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not new_message.metadata
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or "thread_id" not in new_message.metadata
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or new_message.metadata["thread_id"] != self._id
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):
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assert self._id is not None # nosec
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await AssistantThreadActions.create_message(self._client, self._id, new_message)
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async def get_messages(self, sort_order: Literal["asc", "desc"] | None = None) -> AsyncIterable[ChatMessageContent]:
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"""Get the messages in the thread.
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Args:
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sort_order: The order to sort the messages in. Either "asc" or "desc".
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Yields:
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An AsyncIterable of ChatMessageContent of the messages in the thread.
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"""
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if self._is_deleted:
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raise ValueError("The thread has been deleted.")
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if self._id is None:
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await self.create()
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assert self.id is not None # nosec
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async for message in AssistantThreadActions.get_messages(self._client, self.id, sort_order=sort_order):
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yield message
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@release_candidate
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@register_agent_type("openai_assistant")
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class OpenAIAssistantAgent(DeclarativeSpecMixin, Agent):
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"""OpenAI Assistant Agent class.
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Provides the ability to interact with OpenAI Assistants.
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"""
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# region Agent Initialization
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client: AsyncOpenAI
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definition: Assistant
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plugins: list[Any] = Field(default_factory=list)
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polling_options: RunPollingOptions = Field(default_factory=RunPollingOptions)
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channel_type: ClassVar[type[AgentChannel]] = OpenAIAssistantChannel # type: ignore
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def __init__(
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self,
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*,
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arguments: KernelArguments | None = None,
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client: AsyncOpenAI,
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definition: Assistant,
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kernel: "Kernel | None" = None,
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plugins: list[KernelPlugin | object] | dict[str, KernelPlugin | object] | None = None,
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polling_options: RunPollingOptions | None = None,
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prompt_template_config: "PromptTemplateConfig | None" = None,
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**kwargs: Any,
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) -> None:
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"""Initialize an OpenAIAssistant service.
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Args:
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arguments: The arguments to pass to the function.
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client: The OpenAI client.
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definition: The assistant definition.
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kernel: The Kernel instance.
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plugins: The plugins to add to the kernel. If both the plugins and the kernel are supplied,
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the plugins take precedence and are added to the kernel by default.
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polling_options: The polling options.
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prompt_template_config: The prompt template configuration.
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kwargs: Additional keyword arguments.
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"""
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args: dict[str, Any] = {
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"client": client,
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"definition": definition,
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"name": definition.name or f"assistant_agent_{generate_random_ascii_name(length=8)}",
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"description": definition.description,
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}
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if arguments is not None:
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args["arguments"] = arguments
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if definition.id is not None:
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args["id"] = definition.id
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if definition.instructions is not None:
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args["instructions"] = definition.instructions
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if kernel is not None:
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args["kernel"] = kernel
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if (
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definition.instructions
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and prompt_template_config
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and definition.instructions != prompt_template_config.template
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):
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logger.info(
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f"Both `instructions` ({definition.instructions}) and `prompt_template_config` "
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f"({prompt_template_config.template}) were provided. Using template in `prompt_template_config` "
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"and ignoring `instructions`."
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)
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if plugins is not None:
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args["plugins"] = plugins
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if prompt_template_config is not None:
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args["prompt_template"] = TEMPLATE_FORMAT_MAP[prompt_template_config.template_format](
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prompt_template_config=prompt_template_config
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)
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if prompt_template_config.template is not None:
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# Use the template from the prompt_template_config if it is provided
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args["instructions"] = prompt_template_config.template
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if polling_options is not None:
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args["polling_options"] = polling_options
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if kwargs:
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args.update(kwargs)
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super().__init__(**args)
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@staticmethod
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@deprecated(
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"setup_resources is deprecated. Use OpenAIAssistantAgent.create_client() instead. This method will be removed by 2025-06-15." # noqa: E501
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)
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def setup_resources(
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*,
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ai_model_id: str | None = None,
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api_key: str | None = None,
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org_id: str | None = None,
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env_file_path: str | None = None,
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env_file_encoding: str | None = None,
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default_headers: dict[str, str] | None = None,
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**kwargs: Any,
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) -> tuple[AsyncOpenAI, str]:
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"""A method to create the OpenAI client and the model from the provided arguments.
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Any arguments provided will override the values in the environment variables/environment file.
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Args:
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ai_model_id: The AI model ID
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api_key: The API key
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org_id: The organization ID
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env_file_path: The environment file path
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env_file_encoding: The environment file encoding, defaults to utf-8
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default_headers: The default headers to add to the client
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kwargs: Additional keyword arguments
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Returns:
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An OpenAI client instance and the configured model name
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"""
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try:
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openai_settings = OpenAISettings(
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chat_model_id=ai_model_id,
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api_key=api_key,
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org_id=org_id,
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env_file_path=env_file_path,
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env_file_encoding=env_file_encoding,
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)
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except ValidationError as ex:
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raise AgentInitializationException("Failed to create OpenAI settings.", ex) from ex
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if not openai_settings.api_key:
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raise AgentInitializationException("The OpenAI API key is required.")
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if not openai_settings.chat_model_id:
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raise AgentInitializationException("The OpenAI model ID is required.")
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merged_headers = dict(copy(default_headers)) if default_headers else {}
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if default_headers:
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merged_headers.update(default_headers)
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if APP_INFO:
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merged_headers.update(APP_INFO)
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merged_headers = prepend_semantic_kernel_to_user_agent(merged_headers)
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client = AsyncOpenAI(
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api_key=openai_settings.api_key.get_secret_value() if openai_settings.api_key else None,
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organization=openai_settings.org_id,
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default_headers=merged_headers,
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**kwargs,
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)
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return client, openai_settings.chat_model_id
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@staticmethod
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def create_client(
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*,
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ai_model_id: str | None = None,
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api_key: str | None = None,
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org_id: str | None = None,
|
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env_file_path: str | None = None,
|
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env_file_encoding: str | None = None,
|
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default_headers: dict[str, str] | None = None,
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**kwargs: Any,
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) -> AsyncOpenAI:
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"""A method to create the OpenAI client.
|
|
|
|
Any arguments provided will override the values in the environment variables/environment file.
|
|
|
|
Args:
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ai_model_id: The AI model ID
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|
api_key: The API key
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|
org_id: The organization ID
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|
env_file_path: The environment file path
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env_file_encoding: The environment file encoding, defaults to utf-8
|
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default_headers: The default headers to add to the client
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kwargs: Additional keyword arguments
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|
|
|
Returns:
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An OpenAI client instance.
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"""
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try:
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openai_settings = OpenAISettings(
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chat_model_id=ai_model_id,
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api_key=api_key,
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org_id=org_id,
|
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env_file_path=env_file_path,
|
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env_file_encoding=env_file_encoding,
|
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)
|
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except ValidationError as ex:
|
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raise AgentInitializationException("Failed to create OpenAI settings.", ex) from ex
|
|
|
|
if not openai_settings.api_key:
|
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raise AgentInitializationException("The OpenAI API key is required.")
|
|
|
|
if not openai_settings.chat_model_id:
|
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raise AgentInitializationException("The OpenAI model ID is required.")
|
|
|
|
merged_headers = dict(copy(default_headers)) if default_headers else {}
|
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if default_headers:
|
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merged_headers.update(default_headers)
|
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if APP_INFO:
|
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merged_headers.update(APP_INFO)
|
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merged_headers = prepend_semantic_kernel_to_user_agent(merged_headers)
|
|
|
|
return AsyncOpenAI(
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api_key=openai_settings.api_key.get_secret_value() if openai_settings.api_key else None,
|
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organization=openai_settings.org_id,
|
|
default_headers=merged_headers,
|
|
**kwargs,
|
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)
|
|
|
|
# endregion
|
|
|
|
# region Declarative Spec
|
|
|
|
@override
|
|
@classmethod
|
|
async def _from_dict(
|
|
cls: type[_T],
|
|
data: dict,
|
|
*,
|
|
kernel: Kernel,
|
|
prompt_template_config: "PromptTemplateConfig | None" = None,
|
|
**kwargs,
|
|
) -> _T:
|
|
"""Create an Assistant Agent from the provided dictionary.
|
|
|
|
Args:
|
|
data: The dictionary containing the agent data.
|
|
kernel: The kernel to use for the agent.
|
|
prompt_template_config: The prompt template configuration.
|
|
kwargs: Additional keyword arguments. Note: unsupported keys may raise validation errors.
|
|
|
|
Returns:
|
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AzureAIAgent: The OpenAI Assistant Agent instance.
|
|
"""
|
|
client: AsyncOpenAI = kwargs.pop("client", None)
|
|
if client is None:
|
|
raise AgentInitializationException("Missing required 'client' in OpenAIAssistantAgent._from_dict()")
|
|
|
|
spec = AgentSpec.model_validate(data)
|
|
|
|
if "settings" in kwargs:
|
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kwargs.pop("settings")
|
|
|
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args = data.pop("arguments", None)
|
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arguments = None
|
|
if args:
|
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arguments = KernelArguments(**args)
|
|
|
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# Handle arguments from kwargs, merging with any arguments from data
|
|
if "arguments" in kwargs and kwargs["arguments"] is not None:
|
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incoming_args = kwargs["arguments"]
|
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arguments = arguments | incoming_args if arguments is not None else incoming_args
|
|
|
|
if spec.id:
|
|
existing_definition = await client.beta.assistants.retrieve(spec.id)
|
|
|
|
# Create a mutable clone
|
|
definition = deepcopy(existing_definition)
|
|
|
|
# Selectively override attributes from spec
|
|
if spec.name is not None:
|
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setattr(definition, "name", spec.name)
|
|
if spec.description is not None:
|
|
setattr(definition, "description", spec.description)
|
|
if spec.instructions is not None:
|
|
setattr(definition, "instructions", spec.instructions)
|
|
if spec.extras:
|
|
merged_metadata = dict(getattr(definition, "metadata", {}) or {})
|
|
merged_metadata.update(spec.extras)
|
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setattr(definition, "metadata", merged_metadata)
|
|
|
|
return cls(
|
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definition=definition,
|
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client=client,
|
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kernel=kernel,
|
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prompt_template_config=prompt_template_config,
|
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arguments=arguments,
|
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**kwargs,
|
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)
|
|
|
|
if not (spec.model and spec.model.id):
|
|
raise ValueError("model.id required when creating a new Azure AI agent")
|
|
|
|
# Build tool definitions & resources
|
|
tool_objs = [
|
|
_build_tool(t, kernel) for t in spec.tools if t.type != "function"
|
|
] # List[tuple[list[ToolParam], ToolResources]]
|
|
all_tools: list[AssistantToolParam] = []
|
|
all_resources: ToolResources = {}
|
|
|
|
for tool_list, resource in tool_objs:
|
|
all_tools.extend(tool_list)
|
|
all_resources.update(resource)
|
|
|
|
try:
|
|
agent_definition = await client.beta.assistants.create(
|
|
model=spec.model.id,
|
|
name=spec.name,
|
|
description=spec.description,
|
|
instructions=spec.instructions,
|
|
tools=all_tools,
|
|
tool_resources=all_resources,
|
|
metadata=spec.extras,
|
|
**kwargs,
|
|
)
|
|
except Exception as ex:
|
|
print(f"Error creating agent: {ex}")
|
|
|
|
return cls(
|
|
definition=agent_definition,
|
|
client=client,
|
|
arguments=arguments,
|
|
kernel=kernel,
|
|
prompt_template_config=prompt_template_config,
|
|
**kwargs,
|
|
)
|
|
|
|
@classmethod
|
|
def _get_setting(cls: type[_T], value: Any) -> Any:
|
|
"""Return raw value if `SecretStr`, otherwise pass through."""
|
|
if isinstance(value, SecretStr):
|
|
return value.get_secret_value()
|
|
return value
|
|
|
|
@override
|
|
@classmethod
|
|
def resolve_placeholders(
|
|
cls: type[_T],
|
|
yaml_str: str,
|
|
settings: "KernelBaseSettings | None" = None,
|
|
extras: dict[str, Any] | None = None,
|
|
) -> str:
|
|
"""Substitute ${OpenAI:Key} placeholders with fields from OpenAIAgentSettings and extras."""
|
|
import re
|
|
|
|
pattern = re.compile(r"\$\{([^}]+)\}")
|
|
|
|
# Build the mapping only if settings is provided and valid
|
|
field_mapping: dict[str, Any] = {}
|
|
|
|
if settings is None:
|
|
settings = OpenAISettings()
|
|
|
|
if not isinstance(settings, OpenAISettings):
|
|
raise AgentInitializationException(f"Expected OpenAISettings, got {type(settings).__name__}")
|
|
|
|
field_mapping.update({
|
|
"ChatModelId": cls._get_setting(getattr(settings, "chat_model_id", None)),
|
|
"AgentId": cls._get_setting(getattr(settings, "agent_id", None)),
|
|
"ApiKey": cls._get_setting(getattr(settings, "api_key", None)),
|
|
})
|
|
|
|
if extras:
|
|
field_mapping.update(extras)
|
|
|
|
def replacer(match: re.Match[str]) -> str:
|
|
"""Replace the matched placeholder with the corresponding value from field_mapping."""
|
|
full_key = match.group(1) # for example, OpenAI:ApiKey
|
|
section, _, key = full_key.partition(":")
|
|
if section != "OpenAI":
|
|
return match.group(0)
|
|
|
|
# Try short key first (ApiKey), then full (OpenAI:ApiKey)
|
|
return str(field_mapping.get(key) or field_mapping.get(full_key) or match.group(0))
|
|
|
|
result = pattern.sub(replacer, yaml_str)
|
|
|
|
# Safety check for unresolved placeholders
|
|
unresolved = pattern.findall(result)
|
|
if unresolved:
|
|
raise AgentInitializationException(
|
|
f"Unresolved placeholders in spec: {', '.join(f'${{{key}}}' for key in unresolved)}"
|
|
)
|
|
|
|
return result
|
|
|
|
# endregion
|
|
|
|
# region Tool Handling
|
|
|
|
@staticmethod
|
|
def configure_code_interpreter_tool(
|
|
file_ids: str | list[str] | None = None, **kwargs: Any
|
|
) -> tuple[list["AssistantToolParam"], ToolResources]:
|
|
"""Generate tool + tool_resources for the code_interpreter."""
|
|
if isinstance(file_ids, str):
|
|
file_ids = [file_ids]
|
|
tool: "CodeInterpreterToolParam" = {"type": "code_interpreter"}
|
|
resources: ToolResources = {}
|
|
if file_ids:
|
|
resources["code_interpreter"] = ToolResourcesCodeInterpreter(file_ids=file_ids)
|
|
return [tool], resources
|
|
|
|
@staticmethod
|
|
def configure_file_search_tool(
|
|
vector_store_ids: str | list[str], **kwargs: Any
|
|
) -> tuple[list[AssistantToolParam], ToolResources]:
|
|
"""Generate tool + tool_resources for the file_search."""
|
|
if isinstance(vector_store_ids, str):
|
|
vector_store_ids = [vector_store_ids]
|
|
|
|
tool: FileSearchToolParam = {
|
|
"type": "file_search",
|
|
}
|
|
resources: ToolResources = {"file_search": ToolResourcesFileSearch(vector_store_ids=vector_store_ids, **kwargs)} # type: ignore
|
|
return [tool], resources
|
|
|
|
@staticmethod
|
|
def configure_response_format(
|
|
response_format: dict[Literal["type"], Literal["text", "json_object"]]
|
|
| dict[str, Any]
|
|
| type[BaseModel]
|
|
| type
|
|
| AssistantResponseFormatOptionParam
|
|
| None = None,
|
|
) -> AssistantResponseFormatOptionParam | None:
|
|
"""Form the response format.
|
|
|
|
"auto" is the default value. Not configuring the response format will result in the model
|
|
outputting text.
|
|
|
|
Setting to `{ "type": "json_schema", "json_schema": {...} }` enables Structured
|
|
Outputs which ensures the model will match your supplied JSON schema. Learn more
|
|
in the [Structured Outputs guide](https://platform.openai.com/docs/guides/structured-outputs).
|
|
|
|
Setting to `{ "type": "json_object" }` enables JSON mode, which ensures the
|
|
message the model generates is valid JSON, as long as the prompt contains "JSON."
|
|
|
|
Args:
|
|
response_format: The response format.
|
|
|
|
Returns:
|
|
AssistantResponseFormatOptionParam: The response format.
|
|
"""
|
|
if response_format is None or response_format == "auto":
|
|
return None
|
|
|
|
configured_response_format = None
|
|
if isinstance(response_format, dict):
|
|
resp_type = response_format.get("type")
|
|
if resp_type == "json_object":
|
|
configured_response_format = {"type": "json_object"}
|
|
elif resp_type == "json_schema":
|
|
json_schema = response_format.get("json_schema") # type: ignore
|
|
if not isinstance(json_schema, dict):
|
|
raise AgentInitializationException(
|
|
"If response_format has type 'json_schema', 'json_schema' must be a valid dictionary."
|
|
)
|
|
# We're assuming the response_format has already been provided in the correct format
|
|
configured_response_format = response_format # type: ignore
|
|
else:
|
|
raise AgentInitializationException(
|
|
f"Encountered unexpected response_format type: {resp_type}. Allowed types are `json_object` "
|
|
" and `json_schema`."
|
|
)
|
|
elif isinstance(response_format, type):
|
|
# If it's a type, differentiate based on whether it's a BaseModel subclass
|
|
if issubclass(response_format, BaseModel):
|
|
configured_response_format = type_to_response_format_param(response_format) # type: ignore
|
|
else:
|
|
generated_schema = KernelJsonSchemaBuilder.build(parameter_type=response_format, structured_output=True)
|
|
assert generated_schema is not None # nosec
|
|
configured_response_format = generate_structured_output_response_format_schema(
|
|
name=response_format.__name__, schema=generated_schema
|
|
)
|
|
else:
|
|
# If it's not a dict or a type, throw an exception
|
|
raise AgentInitializationException(
|
|
"response_format must be a dictionary, a subclass of BaseModel, a Python class/type, or None"
|
|
)
|
|
|
|
return configured_response_format # type: ignore
|
|
|
|
# endregion
|
|
|
|
# region Agent Channel Methods
|
|
|
|
def get_channel_keys(self) -> Iterable[str]:
|
|
"""Get the channel keys.
|
|
|
|
Returns:
|
|
Iterable[str]: The channel keys.
|
|
"""
|
|
# Distinguish from other channel types.
|
|
yield f"{OpenAIAssistantAgent.__name__}"
|
|
|
|
# Distinguish between different agent IDs
|
|
yield self.id
|
|
|
|
# Distinguish between agent names
|
|
yield self.name
|
|
|
|
# Distinguish between different API base URLs
|
|
yield str(self.client.base_url)
|
|
|
|
async def create_channel(self, thread_id: str | None = None) -> AgentChannel:
|
|
"""Create a channel.
|
|
|
|
Args:
|
|
thread_id: The ID of the thread to create the channel for. If not provided
|
|
a new thread will be created.
|
|
"""
|
|
thread = AssistantAgentThread(client=self.client, thread_id=thread_id)
|
|
|
|
if thread.id is None:
|
|
await thread.create()
|
|
assert thread.id is not None # nosec
|
|
|
|
return OpenAIAssistantChannel(client=self.client, thread_id=thread.id)
|
|
|
|
# endregion
|
|
|
|
# region Invocation Methods
|
|
|
|
@trace_agent_get_response
|
|
@override
|
|
async def get_response(
|
|
self,
|
|
messages: str | ChatMessageContent | list[str | ChatMessageContent] | None = None,
|
|
*,
|
|
thread: AgentThread | None = None,
|
|
arguments: KernelArguments | None = None,
|
|
additional_instructions: str | None = None,
|
|
additional_messages: list[ChatMessageContent] | None = None,
|
|
instructions_override: str | None = None,
|
|
kernel: "Kernel | None" = None,
|
|
max_completion_tokens: int | None = None,
|
|
max_prompt_tokens: int | None = None,
|
|
metadata: dict[str, str] | None = None,
|
|
model: str | None = None,
|
|
parallel_tool_calls: bool | None = None,
|
|
reasoning_effort: Literal["low", "medium", "high"] | None = None,
|
|
response_format: "AssistantResponseFormatOptionParam | None" = None,
|
|
tools: "list[AssistantToolParam] | None" = None,
|
|
temperature: float | None = None,
|
|
top_p: float | None = None,
|
|
truncation_strategy: "TruncationStrategy | None" = None,
|
|
polling_options: RunPollingOptions | None = None,
|
|
function_choice_behavior: "FunctionChoiceBehavior | None" = None,
|
|
**kwargs: Any,
|
|
) -> AgentResponseItem[ChatMessageContent]:
|
|
"""Get a response from the agent on a thread.
|
|
|
|
Args:
|
|
messages: The input chat message content either as a string, ChatMessageContent or
|
|
a list of strings or ChatMessageContent.
|
|
thread: The Agent Thread to use.
|
|
arguments: The kernel arguments.
|
|
instructions_override: The instructions override.
|
|
kernel: The kernel to use as an override.
|
|
additional_instructions: Additional instructions.
|
|
additional_messages: Additional messages.
|
|
max_completion_tokens: The maximum completion tokens.
|
|
max_prompt_tokens: The maximum prompt tokens.
|
|
metadata: The metadata.
|
|
model: The model.
|
|
parallel_tool_calls: Parallel tool calls.
|
|
reasoning_effort: The reasoning effort.
|
|
response_format: The response format.
|
|
tools: The tools.
|
|
temperature: The temperature.
|
|
top_p: The top p.
|
|
truncation_strategy: The truncation strategy.
|
|
polling_options: The polling options at the run-level.
|
|
function_choice_behavior: The function choice behavior to control which kernel
|
|
functions are available. Only Auto is supported; other types will raise an error.
|
|
kwargs: Additional keyword arguments.
|
|
|
|
Returns:
|
|
AgentResponseItem of type ChatMessageContent: The response from the agent.
|
|
"""
|
|
thread = await self._ensure_thread_exists_with_messages(
|
|
messages=messages,
|
|
thread=thread,
|
|
construct_thread=lambda: AssistantAgentThread(client=self.client),
|
|
expected_type=AssistantAgentThread,
|
|
)
|
|
assert thread.id is not None # nosec
|
|
|
|
if arguments is None:
|
|
arguments = KernelArguments(**kwargs)
|
|
else:
|
|
arguments.update(kwargs)
|
|
|
|
kernel = kernel or self.kernel
|
|
arguments = self._merge_arguments(arguments)
|
|
|
|
run_level_params = {
|
|
"additional_instructions": additional_instructions,
|
|
"additional_messages": additional_messages,
|
|
"instructions_override": instructions_override,
|
|
"max_completion_tokens": max_completion_tokens,
|
|
"max_prompt_tokens": max_prompt_tokens,
|
|
"metadata": metadata,
|
|
"model": model,
|
|
"parallel_tool_calls": parallel_tool_calls,
|
|
"reasoning_effort": reasoning_effort,
|
|
"response_format": response_format,
|
|
"temperature": temperature,
|
|
"tools": tools,
|
|
"top_p": top_p,
|
|
"truncation_strategy": truncation_strategy,
|
|
"polling_options": polling_options,
|
|
}
|
|
run_level_params = {k: v for k, v in run_level_params.items() if v is not None}
|
|
|
|
response_messages: list[ChatMessageContent] = []
|
|
async for is_visible, response in AssistantThreadActions.invoke(
|
|
agent=self,
|
|
thread_id=thread.id,
|
|
kernel=kernel,
|
|
arguments=arguments,
|
|
function_choice_behavior=function_choice_behavior,
|
|
**run_level_params, # type: ignore
|
|
):
|
|
if is_visible and response.metadata.get("code") is not True:
|
|
response.metadata["thread_id"] = thread.id
|
|
response_messages.append(response)
|
|
|
|
if not response_messages:
|
|
raise AgentInvokeException("No response messages were returned from the agent.")
|
|
final_message = response_messages[-1]
|
|
await thread.on_new_message(final_message)
|
|
return AgentResponseItem(message=final_message, thread=thread)
|
|
|
|
@trace_agent_invocation
|
|
@override
|
|
async def invoke(
|
|
self,
|
|
messages: str | ChatMessageContent | list[str | ChatMessageContent] | None = None,
|
|
*,
|
|
thread: AgentThread | None = None,
|
|
on_intermediate_message: Callable[[ChatMessageContent], Awaitable[None]] | None = None,
|
|
arguments: KernelArguments | None = None,
|
|
additional_instructions: str | None = None,
|
|
additional_messages: list[ChatMessageContent] | None = None,
|
|
instructions_override: str | None = None,
|
|
kernel: "Kernel | None" = None,
|
|
max_completion_tokens: int | None = None,
|
|
max_prompt_tokens: int | None = None,
|
|
metadata: dict[str, str] | None = None,
|
|
model: str | None = None,
|
|
parallel_tool_calls: bool | None = None,
|
|
reasoning_effort: Literal["low", "medium", "high"] | None = None,
|
|
response_format: "AssistantResponseFormatOptionParam | None" = None,
|
|
tools: "list[AssistantToolParam] | None" = None,
|
|
temperature: float | None = None,
|
|
top_p: float | None = None,
|
|
truncation_strategy: "TruncationStrategy | None" = None,
|
|
polling_options: RunPollingOptions | None = None,
|
|
function_choice_behavior: "FunctionChoiceBehavior | None" = None,
|
|
**kwargs: Any,
|
|
) -> AsyncIterable[AgentResponseItem[ChatMessageContent]]:
|
|
"""Invoke the agent.
|
|
|
|
Args:
|
|
messages: The input chat message content either as a string, ChatMessageContent or
|
|
a list of strings or ChatMessageContent.
|
|
thread: The Agent Thread to use.
|
|
on_intermediate_message: A callback function to handle intermediate steps of the agent's execution.
|
|
arguments: The kernel arguments.
|
|
instructions_override: The instructions override.
|
|
kernel: The kernel to use as an override.
|
|
additional_instructions: Additional instructions.
|
|
additional_messages: Additional messages.
|
|
max_completion_tokens: The maximum completion tokens.
|
|
max_prompt_tokens: The maximum prompt tokens.
|
|
metadata: The metadata.
|
|
model: The model.
|
|
parallel_tool_calls: Parallel tool calls.
|
|
reasoning_effort: The reasoning effort.
|
|
response_format: The response format.
|
|
tools: The tools.
|
|
temperature: The temperature.
|
|
top_p: The top p.
|
|
truncation_strategy: The truncation strategy.
|
|
polling_options: The polling options at the run-level.
|
|
function_choice_behavior: The function choice behavior to control which kernel
|
|
functions are available. Only Auto is supported; other types will raise an error.
|
|
kwargs: Additional keyword arguments.
|
|
|
|
Yields:
|
|
The AgentResponseItem of type ChatMessageContent.
|
|
"""
|
|
thread = await self._ensure_thread_exists_with_messages(
|
|
messages=messages,
|
|
thread=thread,
|
|
construct_thread=lambda: AssistantAgentThread(client=self.client),
|
|
expected_type=AssistantAgentThread,
|
|
)
|
|
assert thread.id is not None # nosec
|
|
|
|
if arguments is None:
|
|
arguments = KernelArguments(**kwargs)
|
|
else:
|
|
arguments.update(kwargs)
|
|
|
|
kernel = kernel or self.kernel
|
|
arguments = self._merge_arguments(arguments)
|
|
|
|
run_level_params = {
|
|
"additional_instructions": additional_instructions,
|
|
"additional_messages": additional_messages,
|
|
"instructions_override": instructions_override,
|
|
"max_completion_tokens": max_completion_tokens,
|
|
"max_prompt_tokens": max_prompt_tokens,
|
|
"metadata": metadata,
|
|
"model": model,
|
|
"parallel_tool_calls": parallel_tool_calls,
|
|
"reasoning_effort": reasoning_effort,
|
|
"response_format": response_format,
|
|
"temperature": temperature,
|
|
"tools": tools,
|
|
"top_p": top_p,
|
|
"truncation_strategy": truncation_strategy,
|
|
"polling_options": polling_options,
|
|
}
|
|
run_level_params = {k: v for k, v in run_level_params.items() if v is not None}
|
|
|
|
async for is_visible, message in AssistantThreadActions.invoke(
|
|
agent=self,
|
|
thread_id=thread.id,
|
|
kernel=kernel,
|
|
arguments=arguments,
|
|
function_choice_behavior=function_choice_behavior,
|
|
**run_level_params, # type: ignore
|
|
):
|
|
message.metadata["thread_id"] = thread.id
|
|
await thread.on_new_message(message)
|
|
|
|
if is_visible:
|
|
# Only yield visible messages
|
|
yield AgentResponseItem(message=message, thread=thread)
|
|
elif on_intermediate_message:
|
|
# Emit tool-related messages only via callback
|
|
await on_intermediate_message(message)
|
|
|
|
@trace_agent_streaming_invocation
|
|
@override
|
|
async def invoke_stream(
|
|
self,
|
|
messages: str | ChatMessageContent | list[str | ChatMessageContent] | None = None,
|
|
*,
|
|
thread: AgentThread | None = None,
|
|
on_intermediate_message: Callable[[ChatMessageContent], Awaitable[None]] | None = None,
|
|
additional_instructions: str | None = None,
|
|
additional_messages: list[ChatMessageContent] | None = None,
|
|
arguments: KernelArguments | None = None,
|
|
instructions_override: str | None = None,
|
|
kernel: "Kernel | None" = None,
|
|
max_completion_tokens: int | None = None,
|
|
max_prompt_tokens: int | None = None,
|
|
metadata: dict[str, str] | None = None,
|
|
model: str | None = None,
|
|
parallel_tool_calls: bool | None = None,
|
|
reasoning_effort: Literal["low", "medium", "high"] | None = None,
|
|
response_format: "AssistantResponseFormatOptionParam | None" = None,
|
|
tools: "list[AssistantToolParam] | None" = None,
|
|
temperature: float | None = None,
|
|
top_p: float | None = None,
|
|
truncation_strategy: "TruncationStrategy | None" = None,
|
|
function_choice_behavior: "FunctionChoiceBehavior | None" = None,
|
|
**kwargs: Any,
|
|
) -> AsyncIterable[AgentResponseItem[StreamingChatMessageContent]]:
|
|
"""Invoke the agent.
|
|
|
|
Args:
|
|
messages: The input chat message content either as a string, ChatMessageContent or
|
|
a list of strings or ChatMessageContent.
|
|
thread: The Agent Thread to use.
|
|
on_intermediate_message: A callback function to handle intermediate steps of the
|
|
agent's execution as fully formed messages.
|
|
additional_instructions: Additional instructions.
|
|
additional_messages: Additional messages.
|
|
arguments: The kernel arguments.
|
|
instructions_override: The instructions override.
|
|
kernel: The kernel to use as an override.
|
|
max_completion_tokens: The maximum completion tokens.
|
|
max_prompt_tokens: The maximum prompt tokens.
|
|
metadata: The metadata.
|
|
model: The model.
|
|
parallel_tool_calls: Parallel tool calls.
|
|
reasoning_effort: The reasoning effort.
|
|
response_format: The response format.
|
|
tools: The tools.
|
|
temperature: The temperature.
|
|
top_p: The top p.
|
|
truncation_strategy: The truncation strategy.
|
|
function_choice_behavior: The function choice behavior to control which kernel
|
|
functions are available. Only Auto is supported; other types will raise an error.
|
|
kwargs: Additional keyword arguments.
|
|
|
|
Yields:
|
|
The AgentResponseItem of type StreamingChatMessageContent.
|
|
"""
|
|
thread = await self._ensure_thread_exists_with_messages(
|
|
messages=messages,
|
|
thread=thread,
|
|
construct_thread=lambda: AssistantAgentThread(client=self.client),
|
|
expected_type=AssistantAgentThread,
|
|
)
|
|
assert thread.id is not None # nosec
|
|
|
|
if arguments is None:
|
|
arguments = KernelArguments(**kwargs)
|
|
else:
|
|
arguments.update(kwargs)
|
|
|
|
kernel = kernel or self.kernel
|
|
arguments = self._merge_arguments(arguments)
|
|
|
|
run_level_params = {
|
|
"additional_instructions": additional_instructions,
|
|
"additional_messages": additional_messages,
|
|
"instructions_override": instructions_override,
|
|
"max_completion_tokens": max_completion_tokens,
|
|
"max_prompt_tokens": max_prompt_tokens,
|
|
"metadata": metadata,
|
|
"model": model,
|
|
"parallel_tool_calls": parallel_tool_calls,
|
|
"reasoning_effort": reasoning_effort,
|
|
"response_format": response_format,
|
|
"temperature": temperature,
|
|
"tools": tools,
|
|
"top_p": top_p,
|
|
"truncation_strategy": truncation_strategy,
|
|
}
|
|
run_level_params = {k: v for k, v in run_level_params.items() if v is not None}
|
|
|
|
collected_messages: list[ChatMessageContent] | None = [] if on_intermediate_message else None
|
|
|
|
start_idx = 0
|
|
async for message in AssistantThreadActions.invoke_stream(
|
|
agent=self,
|
|
thread_id=thread.id,
|
|
output_messages=collected_messages,
|
|
kernel=kernel,
|
|
arguments=arguments,
|
|
function_choice_behavior=function_choice_behavior,
|
|
**run_level_params, # type: ignore
|
|
):
|
|
# Before yielding the current streamed message, emit any new full messages first
|
|
if collected_messages is not None:
|
|
new_messages = collected_messages[start_idx:]
|
|
start_idx = len(collected_messages)
|
|
|
|
for new_msg in new_messages:
|
|
new_msg.metadata["thread_id"] = thread.id
|
|
await thread.on_new_message(new_msg)
|
|
if on_intermediate_message:
|
|
await on_intermediate_message(new_msg)
|
|
|
|
# Now yield the current streamed content (StreamingTextContent)
|
|
message.metadata["thread_id"] = thread.id
|
|
yield AgentResponseItem(message=message, thread=thread)
|
|
|
|
# endregion
|