Function calling support of openai style api for Qwen1.5 and Qwen2 model by Stephen-SMJ · Pull Request #662 · QwenLM/Qwen3

Stephen-SMJ · 2024-06-17T09:57:25Z

Hi everyone. This is my implementation of function calling in the Openai-style API of the Qwen1.5/Qwen2 model.
The question I mentioned in #252. Since many people want the code, I share it today.

Note that some details may not be perfect, but you can continue to refine them.

Stephen-SMJ

In line 471:
response, _ = model.chat(
tokenizer,
query,
history=history,
system=system,
stop_words_ids=stop_words_ids,
**gen_kwargs,
)

The chat interface supports function calling now.

Stephen-SMJ · 2024-08-08T09:52:24Z

openai_api/openai_api.py

+from starlette.responses import Response
+from transformers import AutoModelForCausalLM, AutoTokenizer, Qwen2ForCausalLM, Qwen2Tokenizer
+from transformers.generation import GenerationConfig
+from qwen2chat import Qwen2ForChatLM


In line 471:
response, _ = model.chat(
tokenizer,
query,
history=history,
system=system,
stop_words_ids=stop_words_ids,
**gen_kwargs,
)

The chat interface supports function calling now.

lonngxiang · 2024-08-12T01:16:08Z

qwen2运行报错：
openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'tool_choice'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'tools'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

Stephen-SMJ · 2024-08-12T03:58:50Z

qwen2运行报错： openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'tool_choice'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'tools'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

应该是你json file的问题，你可以把json file发出来我有空看看。

lonngxiang · 2024-08-12T04:49:11Z

qwen2运行报错： openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'tool_choice'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'tools'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

应该是你json file的问题，你可以把json file发出来我有空看看。

def send_messages(messages):
    response = client.chat.completions.create(
        model="/qwen-7b",
        messages=messages,
        tools=tools,
        tool_choice="auto",
    )
    return response.choices[0].message

def get_weather(location):
    weather_data = {
        "杭州": "24℃",
        "北京": "18℃",
    }
    return weather_data.get(location, "天气数据不可用")

def get_time(location):
    return datetime.now().strftime("%Y-%m-%d %H:%M:%S")

client = OpenAI(base_url="http://192.1****:10860/v1", api_key="EMPTY")

tools = [
    {
        "type": "function",
        "function": {
            "name": "get_weather",
            "description": "获取某个地点的天气，用户应首先提供一个地点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：北京",
                    }
                },
                "required": ["location"]
            },
        }
    },
    {
        "type": "function",
        "function": {
            "name": "get_time",
            "description": "获取当前时间，给一个地方点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：上海",
                    },
                },
                "required": ["location"],
            },
        }
    }
]

messages = [{"role": "user", "content": "杭州现在时间，天气怎么样？"}]

lonngxiang · 2024-08-12T05:55:47Z

qwen2运行报错： openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'tool_choice'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'tools'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

应该是你json file的问题，你可以把json file发出来我有空看看。
def send_messages(messages):
    response = client.chat.completions.create(
        model="/qwen-7b",
        messages=messages,
        tools=tools,
        tool_choice="auto",
    )
    return response.choices[0].message

def get_weather(location):
    weather_data = {
        "杭州": "24℃",
        "北京": "18℃",
    }
    return weather_data.get(location, "天气数据不可用")

def get_time(location):
    return datetime.now().strftime("%Y-%m-%d %H:%M:%S")

client = OpenAI(base_url="http://192.1****:10860/v1", api_key="EMPTY")

tools = [
    {
        "type": "function",
        "function": {
            "name": "get_weather",
            "description": "获取某个地点的天气，用户应首先提供一个地点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：北京",
                    }
                },
                "required": ["location"]
            },
        }
    },
    {
        "type": "function",
        "function": {
            "name": "get_time",
            "description": "获取当前时间，给一个地方点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：上海",
                    },
                },
                "required": ["location"],
            },
        }
    }
]

messages = [{"role": "user", "content": "杭州现在时间，天气怎么样？"}]

deploy by vllm

Stephen-SMJ · 2024-08-12T07:31:33Z

qwen2运行报错： openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'tool_choice'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'tools'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

应该是你json file的问题，你可以把json file发出来我有空看看。
def send_messages(messages):
    response = client.chat.completions.create(
        model="/qwen-7b",
        messages=messages,
        tools=tools,
        tool_choice="auto",
    )
    return response.choices[0].message

def get_weather(location):
    weather_data = {
        "杭州": "24℃",
        "北京": "18℃",
    }
    return weather_data.get(location, "天气数据不可用")

def get_time(location):
    return datetime.now().strftime("%Y-%m-%d %H:%M:%S")

client = OpenAI(base_url="http://192.1****:10860/v1", api_key="EMPTY")

tools = [
    {
        "type": "function",
        "function": {
            "name": "get_weather",
            "description": "获取某个地点的天气，用户应首先提供一个地点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：北京",
                    }
                },
                "required": ["location"]
            },
        }
    },
    {
        "type": "function",
        "function": {
            "name": "get_time",
            "description": "获取当前时间，给一个地方点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：上海",
                    },
                },
                "required": ["location"],
            },
        }
    }
]

messages = [{"role": "user", "content": "杭州现在时间，天气怎么样？"}]
deploy by vllm

The version of openai is different. You can try the older function calling method, like：
response = client.chat.completions.create(
model="/qwen-7b",
messages=messages,
function_call = "auto"
)
Your json file：
{
"name": "get_weather",
"description": "获取某个地点的天气，用户应首先提供一个地点",
"parameters": {
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "城市，例如：北京",
}
},
"required": ["location"]
},
}

lonngxiang · 2024-08-12T08:45:28Z

tools

tools 多个agent函数需要怎么修改呢

只修改下面这里还是报错：openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'function_call'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'functions'), 'msg': 'Extra inputs are not permitted', 'input': [{'type': 'function', 'function': {'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}}, {'type': 'function', 'function': {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：上海'}}, 'required': ['location']}}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

def send_messages(messages):
    response = client.chat.completions.create(
        model="/qwen-7b",
        messages=messages,
        functions=tools,
        function_call="auto",
    )
    return response.choices[0].message

lonngxiang · 2024-08-12T08:48:48Z

tools改成下面这样还是报错
openai.BadRequestError: Error code: 400 - {'object': 'error', 'message': "[{'type': 'extra_forbidden', 'loc': ('body', 'function_call'), 'msg': 'Extra inputs are not permitted', 'input': 'auto'}, {'type': 'extra_forbidden', 'loc': ('body', 'functions'), 'msg': 'Extra inputs are not permitted', 'input': [{'name': 'get_weather', 'description': '获取某个地点的天气，用户应首先提供一个地点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': '城市，例如：北京'}}, 'required': ['location']}}, {'name': 'get_time', 'description': '获取当前时间，给一个地方点', 'parameters': {'type': 'object', 'properties': {'location': {'type': 'string', 'description': ' 城市，例如：上海'}}, 'required': ['location']}}]}]", 'type': 'BadRequestError', 'param': None, 'code': 400}

tools = [
    {
        
            "name": "get_weather",
            "description": "获取某个地点的天气，用户应首先提供一个地点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：北京",
                    }
                },
                "required": ["location"]
            },
        
    },
    {
            "name": "get_time",
            "description": "获取当前时间，给一个地方点",
            "parameters": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "城市，例如：上海",
                    },
                },
                "required": ["location"],
            },
        
    }
]

function calling support of openai style api for qwen1.5 and qwen2 model

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This was referenced Jun 17, 2024

how to make Qwen1.5 supporty function calling like openai_api.py in Qwen #252

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Qwen1.5适配OpenAI API接口的 openai_api.py #279

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Stephen-SMJ commented Aug 8, 2024

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Function calling support of openai style api for Qwen1.5 and Qwen2 model#662

Function calling support of openai style api for Qwen1.5 and Qwen2 model#662
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