agentic-search/agentic_search.py

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.")