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Move intervention objects to root module (#4859)
* Move intervention to root * usage
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...gen-core/docs/src/user-guide/core-user-guide/cookbook/termination-with-intervention.ipynb
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@@ -1,179 +1,179 @@ | ||
{ | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"# Termination using Intervention Handler\n", | ||
"\n", | ||
"```{note}\n", | ||
"This method is valid when using {py:class}`~autogen_core.SingleThreadedAgentRuntime`.\n", | ||
"```\n", | ||
"\n", | ||
"There are many different ways to handle termination in `autogen_core`. Ultimately, the goal is to detect that the runtime no longer needs to be executed and you can proceed to finalization tasks. One way to do this is to use an {py:class}`autogen_core.base.intervention.InterventionHandler` to detect a termination message and then act on it." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 6, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"from dataclasses import dataclass\n", | ||
"from typing import Any\n", | ||
"\n", | ||
"from autogen_core import (\n", | ||
" AgentId,\n", | ||
" DefaultTopicId,\n", | ||
" MessageContext,\n", | ||
" RoutedAgent,\n", | ||
" SingleThreadedAgentRuntime,\n", | ||
" default_subscription,\n", | ||
" message_handler,\n", | ||
")\n", | ||
"from autogen_core.base.intervention import DefaultInterventionHandler" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"First, we define a dataclass for regular message and message that will be used to signal termination." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 7, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"@dataclass\n", | ||
"class Message:\n", | ||
" content: Any\n", | ||
"\n", | ||
"\n", | ||
"@dataclass\n", | ||
"class Termination:\n", | ||
" reason: str" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"We code our agent to publish a termination message when it decides it is time to terminate." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 8, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"@default_subscription\n", | ||
"class AnAgent(RoutedAgent):\n", | ||
" def __init__(self) -> None:\n", | ||
" super().__init__(\"MyAgent\")\n", | ||
" self.received = 0\n", | ||
"\n", | ||
" @message_handler\n", | ||
" async def on_new_message(self, message: Message, ctx: MessageContext) -> None:\n", | ||
" self.received += 1\n", | ||
" if self.received > 3:\n", | ||
" await self.publish_message(Termination(reason=\"Reached maximum number of messages\"), DefaultTopicId())" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"Next, we create an InterventionHandler that will detect the termination message and act on it. This one hooks into publishes and when it encounters `Termination` it alters its internal state to indicate that termination has been requested." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 9, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"class TerminationHandler(DefaultInterventionHandler):\n", | ||
" def __init__(self) -> None:\n", | ||
" self._termination_value: Termination | None = None\n", | ||
"\n", | ||
" async def on_publish(self, message: Any, *, sender: AgentId | None) -> Any:\n", | ||
" if isinstance(message, Termination):\n", | ||
" self._termination_value = message\n", | ||
" return message\n", | ||
"\n", | ||
" @property\n", | ||
" def termination_value(self) -> Termination | None:\n", | ||
" return self._termination_value\n", | ||
"\n", | ||
" @property\n", | ||
" def has_terminated(self) -> bool:\n", | ||
" return self._termination_value is not None" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"Finally, we add this handler to the runtime and use it to detect termination and stop the runtime when the termination message is received." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 10, | ||
"metadata": {}, | ||
"outputs": [ | ||
{ | ||
"name": "stdout", | ||
"output_type": "stream", | ||
"text": [ | ||
"Termination(reason='Reached maximum number of messages')\n" | ||
] | ||
} | ||
], | ||
"source": [ | ||
"termination_handler = TerminationHandler()\n", | ||
"runtime = SingleThreadedAgentRuntime(intervention_handlers=[termination_handler])\n", | ||
"\n", | ||
"await AnAgent.register(runtime, \"my_agent\", AnAgent)\n", | ||
"\n", | ||
"runtime.start()\n", | ||
"\n", | ||
"# Publish more than 3 messages to trigger termination.\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"\n", | ||
"# Wait for termination.\n", | ||
"await runtime.stop_when(lambda: termination_handler.has_terminated)\n", | ||
"\n", | ||
"print(termination_handler.termination_value)" | ||
] | ||
} | ||
], | ||
"metadata": { | ||
"kernelspec": { | ||
"display_name": ".venv", | ||
"language": "python", | ||
"name": "python3" | ||
}, | ||
"language_info": { | ||
"codemirror_mode": { | ||
"name": "ipython", | ||
"version": 3 | ||
}, | ||
"file_extension": ".py", | ||
"mimetype": "text/x-python", | ||
"name": "python", | ||
"nbconvert_exporter": "python", | ||
"pygments_lexer": "ipython3", | ||
"version": "3.11.9" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 2 | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"# Termination using Intervention Handler\n", | ||
"\n", | ||
"```{note}\n", | ||
"This method is valid when using {py:class}`~autogen_core.SingleThreadedAgentRuntime`.\n", | ||
"```\n", | ||
"\n", | ||
"There are many different ways to handle termination in `autogen_core`. Ultimately, the goal is to detect that the runtime no longer needs to be executed and you can proceed to finalization tasks. One way to do this is to use an {py:class}`autogen_core.base.intervention.InterventionHandler` to detect a termination message and then act on it." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 6, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"from dataclasses import dataclass\n", | ||
"from typing import Any\n", | ||
"\n", | ||
"from autogen_core import (\n", | ||
" AgentId,\n", | ||
" DefaultInterventionHandler,\n", | ||
" DefaultTopicId,\n", | ||
" MessageContext,\n", | ||
" RoutedAgent,\n", | ||
" SingleThreadedAgentRuntime,\n", | ||
" default_subscription,\n", | ||
" message_handler,\n", | ||
")" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"First, we define a dataclass for regular message and message that will be used to signal termination." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 7, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"@dataclass\n", | ||
"class Message:\n", | ||
" content: Any\n", | ||
"\n", | ||
"\n", | ||
"@dataclass\n", | ||
"class Termination:\n", | ||
" reason: str" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"We code our agent to publish a termination message when it decides it is time to terminate." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 8, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"@default_subscription\n", | ||
"class AnAgent(RoutedAgent):\n", | ||
" def __init__(self) -> None:\n", | ||
" super().__init__(\"MyAgent\")\n", | ||
" self.received = 0\n", | ||
"\n", | ||
" @message_handler\n", | ||
" async def on_new_message(self, message: Message, ctx: MessageContext) -> None:\n", | ||
" self.received += 1\n", | ||
" if self.received > 3:\n", | ||
" await self.publish_message(Termination(reason=\"Reached maximum number of messages\"), DefaultTopicId())" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"Next, we create an InterventionHandler that will detect the termination message and act on it. This one hooks into publishes and when it encounters `Termination` it alters its internal state to indicate that termination has been requested." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 9, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"class TerminationHandler(DefaultInterventionHandler):\n", | ||
" def __init__(self) -> None:\n", | ||
" self._termination_value: Termination | None = None\n", | ||
"\n", | ||
" async def on_publish(self, message: Any, *, sender: AgentId | None) -> Any:\n", | ||
" if isinstance(message, Termination):\n", | ||
" self._termination_value = message\n", | ||
" return message\n", | ||
"\n", | ||
" @property\n", | ||
" def termination_value(self) -> Termination | None:\n", | ||
" return self._termination_value\n", | ||
"\n", | ||
" @property\n", | ||
" def has_terminated(self) -> bool:\n", | ||
" return self._termination_value is not None" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"Finally, we add this handler to the runtime and use it to detect termination and stop the runtime when the termination message is received." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": 10, | ||
"metadata": {}, | ||
"outputs": [ | ||
{ | ||
"name": "stdout", | ||
"output_type": "stream", | ||
"text": [ | ||
"Termination(reason='Reached maximum number of messages')\n" | ||
] | ||
} | ||
], | ||
"source": [ | ||
"termination_handler = TerminationHandler()\n", | ||
"runtime = SingleThreadedAgentRuntime(intervention_handlers=[termination_handler])\n", | ||
"\n", | ||
"await AnAgent.register(runtime, \"my_agent\", AnAgent)\n", | ||
"\n", | ||
"runtime.start()\n", | ||
"\n", | ||
"# Publish more than 3 messages to trigger termination.\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"await runtime.publish_message(Message(\"hello\"), DefaultTopicId())\n", | ||
"\n", | ||
"# Wait for termination.\n", | ||
"await runtime.stop_when(lambda: termination_handler.has_terminated)\n", | ||
"\n", | ||
"print(termination_handler.termination_value)" | ||
] | ||
} | ||
], | ||
"metadata": { | ||
"kernelspec": { | ||
"display_name": ".venv", | ||
"language": "python", | ||
"name": "python3" | ||
}, | ||
"language_info": { | ||
"codemirror_mode": { | ||
"name": "ipython", | ||
"version": 3 | ||
}, | ||
"file_extension": ".py", | ||
"mimetype": "text/x-python", | ||
"name": "python", | ||
"nbconvert_exporter": "python", | ||
"pygments_lexer": "ipython3", | ||
"version": "3.11.9" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 2 | ||
} |
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