[SUPPORT] function call usage

[FanZhang91]

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environment：ubuntu=20.04 + transformers=4.42.4 + openai=1.30.5 + vllm=0.5.2

I use vllm as server and openai as client and using similar code from website:https://github.com/openai/openai-cookbook/blob/main/examples/How_to_call_functions_with_chat_models.ipynb

but result show no function info to call. how to fix this problem?

---------------------------------------------------- client code info --------------------------------------------------------- from openai import OpenAI import json

tools = [ { "type": "function", "function": { "name": "get_current_weather", "description": "Get the current weather", "parameters": { "type": "object", "properties": { "location": { "type": "string", "description": "The city and state, e.g. San Francisco, CA", }, "format": { "type": "string", "enum": ["celsius", "fahrenheit"], "description": "The temperature unit to use. Infer this from the users location.", }, }, "required": ["location", "format"], }, } }, { "type": "function", "function": { "name": "get_n_day_weather_forecast", "description": "Get an N-day weather forecast", "parameters": { "type": "object", "properties": { "location": { "type": "string", "description": "The city and state, e.g. San Francisco, CA", }, "format": { "type": "string", "enum": ["celsius", "fahrenheit"], "description": "The temperature unit to use. Infer this from the users location.", }, "num_days": { "type": "integer", "description": "The number of days to forecast", } }, "required": ["location", "format", "num_days"] }, } }, ]

openai_api_key = "xxx" openai_api_base = "http://localhost:8000/v1/"

client = OpenAI( api_key=openai_api_key, base_url=openai_api_base, )

models = client.models.list() model = models.data[0].id

messages = [] messages.append({"role": "system", "content": "Don't make assumptions about what values to plug into functions. Ask for clarification if a user request is ambiguous."}) messages.append({"role": "user", "content": "What's the weather like today"}) response = client.chat.completions.create( model=model, messages=messages, tools=tools, ) assistant_message = response.choices[0].message messages.append(assistant_message) print("response: ", assistant_message)

---------------------------------------------- server script------------------------------------------------- python entrypoints/openai/api_server.py --model="xxxx/Qwen2-1.5B-Instruct" --trust-remote-code --host "localhost" --port 8000 --dtype auto

--------------------------------------------- print info -------------------------------------------------------- response: ChatCompletionMessage(content='Get out and check.', role='assistant', function_call=None, tool_calls=[])

[nelsonauner]

@FanZhang91 Please format your code with triple backticks. What GPT model are you using? Your invocation includes --model="xxxx/Qwen2-1.5B-Instruct" which of course isn't an OpenAI model at all.

Please provide a more simple code sample that doesn't use an API server

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