import os

import httpx


url = os.environ["TTS_UPSTREAM_URL"].rstrip("/") + "/v1/audio/speech"
headers = {"Content-Type": "application/json"}
if os.environ.get("TTS_API_KEY"):
    headers["Authorization"] = f"Bearer {os.environ['TTS_API_KEY']}"
response = httpx.post(
    url,
    headers=headers,
    json={"model": "qwen3-tts", "input": "测试", "voice": "default", "response_format": "wav", "speed": 1},
    timeout=40,
)
print(f"status={response.status_code} content_type={response.headers.get('content-type', '')} bytes={len(response.content)}")