用大模型做 Telegram 机器人(Claude/GPT)

import os

from openai import OpenAI
from telegram import Update
from telegram.ext import (
    ApplicationBuilder,
    ContextTypes,
    MessageHandler,
    filters,
)

# 从环境变量读取密钥——不要把机密硬编码进代码。
TELEGRAM_TOKEN = os.environ["TELEGRAM_TOKEN"]
RUAPI_KEY = os.environ["RUAPI_KEY"]

# 指向 RuAPI 的 OpenAI SDK 客户端(OpenAI 兼容协议)。
client = OpenAI(
    api_key=RUAPI_KEY,
    base_url="https://www.ruapi.ai/v1",
)


async def handle_message(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    user_text = update.message.text

    response = client.chat.completions.create(
        model="claude-opus-4-8",  # 准确的模型名见主站定价页
        messages=[{"role": "user", "content": user_text}],
    )
    answer = response.choices[0].message.content

    await update.message.reply_text(answer)


def main() -> None:
    app = ApplicationBuilder().token(TELEGRAM_TOKEN).build()
    app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_message))
    app.run_polling()


if __name__ == "__main__":
    main()