agentic-search/agent.py

69 lines
2.4 KiB
Python

import json
from dataclasses import dataclass
from typing import Optional, List, Dict, Any
from rich.console import Console
from qwen_agent.agents import Assistant
@dataclass
class Agent:
model: str
server: str
api_key: str
max_tokens: int = 30000
enable_thinking: bool = True
tools: Optional[List[Dict[str, Any]]] = None
console: Console = Console()
def __post_init__(self):
if self.tools is None:
self.tools = [
{'mcpServers': {
'time': {
'command': 'uvx',
'args': ['mcp-server-time', '--local-timezone=Europe/London']
},
"fetch": {
"command": "uvx",
"args": ["mcp-server-fetch"]
},
"ddg-search": {
"command": "npx",
"args": ["-y", "duckduckgo-mcp-server"]
},
}},
'code_interpreter',
]
def run(self, prompt: str) -> None:
"""Run the agent with the given prompt"""
llm_cfg = {
'model': self.model,
'model_server': self.server,
'api_key': self.api_key,
}
# Define Agent
bot = Assistant(llm=llm_cfg, function_list=self.tools)
# Streaming generation
messages = [{'role': 'user', 'content': prompt}]
final_responses = None
try:
with self.console.status("[bold blue]Thinking...", spinner="dots") as status:
for responses in bot.run(messages=messages,
enable_thinking=self.enable_thinking,
max_tokens=self.max_tokens):
final_responses = responses.pop()
except Exception as e:
self.console.print(f"[bold red]An error occurred during agent execution:[/] {e}")
# Pretty-print the final response object
if final_responses:
self.console.print("\n[bold green]--- Full Response Object ---[/]")
self.console.print(json.dumps(final_responses, indent=2))
self.console.print("\n[bold green]--- Extracted Content ---[/]")
self.console.print(final_responses.get('content', 'No content found in response.'))
else:
self.console.print("[bold red]No final response received from the agent.[/]")