106 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import json  # Import the json module
 | |
| 
 | |
| from qwen_agent.agents import Assistant
 | |
| 
 | |
| # Define LLM
 | |
| llm_cfg = {
 | |
|     'model': 'qwen3:0.6B',
 | |
| 
 | |
|     # Use the endpoint provided by Alibaba Model Studio:
 | |
|     # 'model_type': 'qwen_dashscope',
 | |
|     # 'api_key': os.getenv('DASHSCOPE_API_KEY'),
 | |
| 
 | |
|     # Use a custom endpoint compatible with OpenAI API:
 | |
|     'model_server': 'http://localhost:11434/v1',  # api_base
 | |
|     'api_key': 'EMPTY',
 | |
| 
 | |
|     # Other parameters:
 | |
|     # 'generate_cfg': {
 | |
|     #         # Add: When the response content is `<think>this is the thought</think>this is the answer;
 | |
|     #         # Do not add: When the response has been separated by reasoning_content and content.
 | |
|     #         'thought_in_content': True,
 | |
|     #     },
 | |
| }
 | |
| 
 | |
| # Define Tools
 | |
| tools = [
 | |
|     {'mcpServers': {  # You can specify the MCP configuration file
 | |
|         'time': {
 | |
|             'command': 'uvx',
 | |
|             'args': ['mcp-server-time', '--local-timezone=Asia/Shanghai']
 | |
|         },
 | |
|         "fetch": {
 | |
|             "command": "uvx",
 | |
|             "args": ["mcp-server-fetch"]
 | |
|         },
 | |
|           "ddg-search": {
 | |
|           "command": "npx",
 | |
|           "args": ["-y", "@oevortex/ddg_search"]
 | |
|         },
 | |
|     }
 | |
|     },
 | |
|     'code_interpreter',  # Built-in tools
 | |
| ]
 | |
| 
 | |
| # Define Agent
 | |
| bot = Assistant(llm=llm_cfg, function_list=tools)
 | |
| 
 | |
| # Streaming generation
 | |
| messages = [{'role': 'user',
 | |
|              'content':
 | |
|                  """"
 | |
|                   Write a 500 word blog post about the latest qwen 3 model. 
 | |
|                   Use the search tool, and fetch the top 3 articles before you write the post. 
 | |
|                   Write in a casual, but factual style - no hyperbole. 
 | |
|                   Provide urls to the webpages in the output."""}]
 | |
| 
 | |
| final_responses = None
 | |
| # Add comprehensive error handling around bot.run
 | |
| try:
 | |
|     timeout = 300  # 5 minute timeout
 | |
|     final_responses = None
 | |
|     partial_responses = []
 | |
| 
 | |
|     for responses in bot.run(messages=messages, enable_thinking=True, max_tokens=30000, timeout=timeout):
 | |
|         print(".", end="", flush=True)
 | |
|         partial_responses.append(responses)
 | |
|         final_responses = responses.pop()
 | |
| 
 | |
| except TimeoutError:
 | |
|     print("\nRequest timed out after {} seconds".format(timeout))
 | |
| except ConnectionError as ce:
 | |
|     print(f"\nConnection error occurred: {ce}")
 | |
| except ValueError as ve:
 | |
|     print(f"\nInvalid input or response format: {ve}")
 | |
| except Exception as e:
 | |
|     print(f"\nAn unexpected error occurred: {e}")
 | |
| finally:
 | |
|     if partial_responses and not final_responses:
 | |
|         try:
 | |
|             final_responses = partial_responses[-1].pop()
 | |
|         except (IndexError, AttributeError):
 | |
|             print("\nFailed to recover partial response")
 | |
| 
 | |
| # Pretty-print the final response object with validation
 | |
| if final_responses:
 | |
|     print("\n--- Full Response Object ---")
 | |
|     try:
 | |
|         if isinstance(final_responses, dict):
 | |
|             print(json.dumps(final_responses, indent=2))
 | |
|         else:
 | |
|             print("Response is not in expected format:", type(final_responses))
 | |
| 
 | |
|         print("\n--- Extracted Content ---")
 | |
|         if isinstance(final_responses, dict):
 | |
|             content = final_responses.get('content')
 | |
|             if content:
 | |
|                 print(content)
 | |
|             else:
 | |
|                 print("No content field found in response")
 | |
|         else:
 | |
|             print("Cannot extract content from invalid response format")
 | |
|     except json.JSONDecodeError as je:
 | |
|         print(f"Failed to format response: {je}")
 | |
| else:
 | |
|     print("\nNo final response received from the agent.")
 |