58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# Copyright (c) Microsoft. All rights reserved.
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import logging
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from typing import TYPE_CHECKING
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from pydantic import Field
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from semantic_kernel.agents.agent import Agent
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from semantic_kernel.kernel_pydantic import KernelBaseModel
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from semantic_kernel.utils.feature_stage_decorator import experimental
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if TYPE_CHECKING:
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from semantic_kernel.contents.chat_message_content import ChatMessageContent
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logger: logging.Logger = logging.getLogger(__name__)
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@experimental
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class TerminationStrategy(KernelBaseModel):
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"""A strategy for determining when an agent should terminate."""
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maximum_iterations: int = Field(default=99)
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automatic_reset: bool = False
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agents: list[Agent] = Field(default_factory=list)
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async def should_agent_terminate(self, agent: "Agent", history: list["ChatMessageContent"]) -> bool:
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"""Check if the agent should terminate.
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Args:
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agent: The agent to check.
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history: The history of messages in the conversation.
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Returns:
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True if the agent should terminate, False otherwise
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"""
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raise NotImplementedError("Subclasses should implement this method")
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async def should_terminate(self, agent: "Agent", history: list["ChatMessageContent"]) -> bool:
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"""Check if the agent should terminate.
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Args:
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agent: The agent to check.
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history: The history of messages in the conversation.
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Returns:
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True if the agent should terminate, False otherwise
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"""
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logger.info(f"Evaluating termination criteria for {agent.id}")
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if self.agents and not any(a.id == agent.id for a in self.agents):
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logger.info(f"Agent {agent.id} is out of scope")
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return False
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should_terminate = await self.should_agent_terminate(agent, history)
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logger.info(f"Evaluated criteria for {agent.id}, should terminate: {should_terminate}")
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return should_terminate
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