要求#
Python 3.11 或更高版本。无需额外包。将 WEIGHTSAPI_API_KEY 设置为您的密钥。AI 访问需要登录、一次至少 100 美元的确认充值、一个已授权的 API 密钥以及足够的可用余额。每次后续充值的最低金额也为 100 美元；较小的剩余余额在足以支付请求时仍可使用。余额需要交易验证。发送流量前请查看服务状态 了解模型可用性。
运行配方#
import os, json, urllib.request
BASE = os.environ.get("WEIGHTSAPI_BASE_URL", "https://weightsapi.com/v1")
KEY = os.environ["WEIGHTSAPI_API_KEY"]
def chat(messages, model="Qwen/Qwen3-32B", **options):
payload = dict(model=model, messages=messages, max_tokens=512, **options)
req = urllib.request.Request(BASE+"/chat/completions", json.dumps(payload).encode(),
{"Authorization": "Bearer "+KEY, "Content-Type": "application/json"})
with urllib.request.urlopen(req, timeout=120) as response:
return json.load(response)
tools = [{"type":"function","function":{"name":"get_stock","description":"Look up product inventory.",
"parameters":{"type":"object","properties":{"sku":{"type":"string"}},"required":["sku"],"additionalProperties":False}}}]
messages = [{"role":"user","content":"How many keyboards are in stock? SKU keyboard."}]
first = chat(messages, tools=tools)["choices"][0]["message"]
messages.append(first)
for call in first.get("tool_calls", []):
if call["function"]["name"] != "get_stock": raise ValueError("Unknown tool")
args = json.loads(call["function"]["arguments"])
if set(args) != {"sku"} or not isinstance(args["sku"], str): raise ValueError("Invalid arguments")
result = {"sku":args["sku"],"quantity":{"keyboard":12}.get(args["sku"],0)}
messages.append({"role":"tool","tool_call_id":call["id"],"content":json.dumps(result)})
print(chat(messages)["choices"][0]["message"]["content"])
上线前#
在将工作流暴露给用户之前，请限制并发和重试，验证输出并处理错误。