from autogen_core import TopicId, type_subscription
from autogen_core.models import ChatCompletionClient, SystemMessage, UserMessage
@dataclass
class WorkflowMessage:
content: str
concept_extractor_topic_type = "ConceptExtractorAgent"
writer_topic_type = "WriterAgent"
format_proof_topic_type = "FormatProofAgent"
user_topic_type = "User"
@type_subscription(topic_type=concept_extractor_topic_type)
class ConceptExtractorAgent(RoutedAgent):
def __init__(self, model_client: ChatCompletionClient) -> None:
super().__init__("Un agent extracteur de concepts.")
self._system_message = SystemMessage(
content=(
"You are a marketing analyst. Given a product description, identify:\n"
"- Fonctionnalités clés\n"
"- Public cible\n"
"- Points de vente uniques\n\n"
)
)
self._model_client = model_client
@message_handler
async def handle_user_description(self, message: WorkflowMessage, ctx: MessageContext) -> None:
prompt = f"Description du produit : {message.content}"
llm_result = await self._model_client.create(
messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
cancellation_token=ctx.cancellation_token,
)
response = llm_result.content
assert isinstance(response, str)
print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
await self.publish_message(
WorkflowMessage(response), topic_id=TopicId(writer_topic_type, source=self.id.key)
)
@type_subscription(topic_type=writer_topic_type)
class WriterAgent(RoutedAgent):
def __init__(self, model_client: ChatCompletionClient) -> None:
super().__init__("Un agent rédacteur.")
self._system_message = SystemMessage(
content=(
"You are a marketing copywriter. Given a block of text describing features, audience, and USPs, "
"compose a compelling marketing copy (like a newsletter section) that highlights these points. "
"Output should be short (around 150 words), output just the copy as a single text block."
)
)
self._model_client = model_client
@message_handler
async def handle_intermediate_text(self, message: WorkflowMessage, ctx: MessageContext) -> None:
prompt = f"Voici les informations sur le produit :\\n\\n{message.content}"
llm_result = await self._model_client.create(
messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
cancellation_token=ctx.cancellation_token,
)
response = llm_result.content
assert isinstance(response, str)
print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
await self.publish_message(
WorkflowMessage(response), topic_id=TopicId(format_proof_topic_type, source=self.id.key)
)
@type_subscription(topic_type=format_proof_topic_type)
class FormatProofAgent(RoutedAgent):
def __init__(self, model_client: ChatCompletionClient) -> None:
super().__init__("Un agent de mise en forme et de relecture.")
self._system_message = SystemMessage(
content=(
"You are an editor. Given the draft copy, correct grammar, improve clarity, ensure consistent tone, "
"give format and make it polished. Output the final improved copy as a single text block."
)
)
self._model_client = model_client
@message_handler
async def handle_intermediate_text(self, message: WorkflowMessage, ctx: MessageContext) -> None:
prompt = f"Brouillon :\\n{message.content}."
llm_result = await self._model_client.create(
messages=[self._system_message, UserMessage(content=prompt, source=self.id.key)],
cancellation_token=ctx.cancellation_token,
)
response = llm_result.content
assert isinstance(response, str)
print(f"{'-'*80}\\n{self.id.type}:\\n{response}")
await self.publish_message(
WorkflowMessage(response), topic_id=TopicId(user_topic_type, source=self.id.key)
)
@type_subscription(topic_type=user_topic_type)
class UserAgent(RoutedAgent):
def __init__(self) -> None:
super().__init__("Un agent utilisateur qui transmet la version finale à l'utilisateur.")
@message_handler
async def handle_final_copy(self, message: WorkflowMessage, ctx: MessageContext) -> None:
print(f"\\n{'-'*80}\\n{self.id.type} a reçu la version finale :\\n{message.content}")
# nous ajoutons cet op Weave ici car nous voulons tracer
# l'intégralité du flux de travail des agents sous une seule trace
# c'est entièrement facultatif, mais fortement recommandé
@weave.op(call_display_name="Sequential Agent Workflow")
async def run_agent_workflow(model_name="gpt-4o"):
model_client = OpenAIChatCompletionClient(model=model_name)
runtime = SingleThreadedAgentRuntime()
await ConceptExtractorAgent.register(runtime, type=concept_extractor_topic_type, factory=lambda: ConceptExtractorAgent(model_client=model_client))
await WriterAgent.register(runtime, type=writer_topic_type, factory=lambda: WriterAgent(model_client=model_client))
await FormatProofAgent.register(runtime, type=format_proof_topic_type, factory=lambda: FormatProofAgent(model_client=model_client))
await UserAgent.register(runtime, type=user_topic_type, factory=lambda: UserAgent())
runtime.start()
await runtime.publish_message(
WorkflowMessage(
content="Une gourde en acier inoxydable écologique qui maintient les boissons froides pendant 24 heures"
),
topic_id=TopicId(concept_extractor_topic_type, source="default"),
)
await runtime.stop_when_idle()
await model_client.close()
asyncio.run(run_agent_workflow())