Files
evotraders/conversational_agents/multiagent_conversation/main.py
raykkk 7d0451131f init
2025-10-17 21:40:45 +08:00

81 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
"""The example of how to construct multi-agent conversation with MsgHub and
pipeline in AgentScope."""
import asyncio
import os
from agentscope.agent import ReActAgent
from agentscope.formatter import DashScopeMultiAgentFormatter
from agentscope.message import Msg
from agentscope.model import DashScopeChatModel
from agentscope.pipeline import MsgHub, sequential_pipeline
def create_participant_agent(
name: str,
age: int,
career: str,
character: str,
) -> ReActAgent:
"""Create a participant agent with a specific name, age, and character."""
return ReActAgent(
name=name,
sys_prompt=(
f"You're a {age}-year-old {career} named {name} and you're "
f"a {character} person."
),
model=DashScopeChatModel(
model_name="qwen-max",
api_key=os.environ["DASHSCOPE_API_KEY"],
stream=True,
),
# Use multiagent formatter because the multiple entities will
# occur in the prompt of the LLM API call
formatter=DashScopeMultiAgentFormatter(),
)
async def main() -> None:
"""Run a multi-agent conversation workflow."""
# Create multiple participant agents with different characteristics
alice = create_participant_agent("Alice", 30, "teacher", "friendly")
bob = create_participant_agent("Bob", 14, "student", "rebellious")
charlie = create_participant_agent("Charlie", 28, "doctor", "thoughtful")
# Create a conversation where participants introduce themselves within
# a message hub
async with MsgHub(
participants=[alice, bob, charlie],
# The greeting message will be sent to all participants at the start
announcement=Msg(
"system",
"Now you meet each other with a brief self-introduction.",
"system",
),
) as hub:
# Quick construct a pipeline to run the conversation
await sequential_pipeline([alice, bob, charlie])
# Or by the following way:
# await alice()
# await bob()
# await charlie()
# Delete a participant agent from the hub and fake a broadcast message
print("##### We fake Bob's departure #####")
hub.delete(bob)
await hub.broadcast(
Msg(
"bob",
"I have to start my homework now, see you later!",
"assistant",
),
)
await alice()
await charlie()
# ...
asyncio.run(main())