from json import loadsfrom signal import signal, sigintfrom requests import get # pip install requestsfrom openai import openai # pip install openai# suppressing "keyboardinterrupt" messagesignal(sigint, lambda _, __: exit())def get_weather(latitude, longitude): response = get(f"https://api.open-meteo.com/v1/forecast?latitude={latitude}&longitude={longitude}¤t=temperature_2m") data = response.json() temperature = data['current']['temperature_2m'] return str(temperature)tools = [{ "type": "function", "function": { "name": "get_weather", "description": "get current temperature for provided coordinates in celsius.", "parameters": { "type": "object", "properties": { "latitude": {"type": "number"}, "longitude": {"type": "number"} }, "required": ["latitude", "longitude"], "additionalproperties": false }, "strict": true }}]# openai client and chat history with the first (system) messageclient = openai()messages = [{"role": "system", "content": "you are a weather assistant."}]while true: # sending message and getting a response back (chat completion) completion = client.chat.completions.create(model="gpt-4o-mini", messages=messages, tools=tools) # getting the first choice (is it possible to get more than one at a time?) choice = completion.choices[0] # appending the message to the conversation history messages.append(choice.message) # switch based on the finish reason match choice.finish_reason: # stop (weirdly) means we got a message response case "stop": # asking for the user for a prompt print("\nchatgpt:", choice.message.content) prompt = input("\nuser: ").strip() # appending the user message to the conversation history messages.append({"role": "user", "content": prompt}) # in case we got a tool call case "tool_calls": # getting the first tool call (is it possible to get more than one at a time?) tool_call = choice.message.tool_calls[0] # function name and arguments function_name = tool_call.function.name arguments = loads(tool_call.function.arguments) match function_name: # calling the function and appending the result to conversation history case "get_weather": result = get_weather(**arguments) messages.append({"role": "tool", "tool_call_id": tool_call.id, "content": result}) case unexpected_function: raise exception(f"unexpected function call: {unexpected_function}") case unexpected_reason: raise exception(f"unexpected \"finish_reason\": {unexpected_reason}")
>运行它：
ChatGPT: How can I assist you with the weather today?User: whats the weather in ny right nowChatGPT: The current temperature in New York is -2.9°C. If you need more information about the weather or forecast, just let me know!
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