21 lines
764 B
Python
21 lines
764 B
Python
"""YouTube 开播前网络预检（参照 sh2 network_preflight，Windows 版仅检 Google 可达）。"""
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from __future__ import annotations
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import httpx
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from web2_network import CONNECT_TIMEOUT, GOOGLE_CHECK_URL, READ_TIMEOUT, _latency_get
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async def youtube_start_preflight_message() -> str | None:
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timeout = httpx.Timeout(READ_TIMEOUT, connect=CONNECT_TIMEOUT)
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async with httpx.AsyncClient(timeout=timeout, follow_redirects=True) as client:
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ok, _, err = await _latency_get(client, GOOGLE_CHECK_URL)
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if ok:
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return None
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detail = err or "timeout"
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return (
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f"Google 出口不可达（{detail}），YouTube 推流可能失败。"
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"请先在「网络」页检测并配置代理/TUN，再开始直播。"
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)
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