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41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
"""MoviePilot 进程拓扑约束。"""
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from typing import Optional
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class UnsupportedProcessTopologyError(RuntimeError):
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"""启动配置会复制当前只能单实例运行的控制面。"""
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def process_topology_issue(*, workers: int, safe_mode: bool) -> Optional[str]:
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"""
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返回当前进程拓扑不可运行的原因。
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:param workers: API worker 进程数
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:param safe_mode: 是否只启动安全模式数据面
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:return: 支持时返回 None，否则返回可直接展示的错误说明
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"""
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if workers < 1:
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return "API_WORKERS 必须大于等于 1"
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if workers == 1 or safe_mode:
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return None
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return (
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"MoviePilot V3 全功能模式仅支持 API_WORKERS=1；"
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f"当前配置为 {workers}，每个 worker 都会重复启动插件、调度器、监控器和工作流。"
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"请将 API_WORKERS 改为 1 后重启。故障排查可以临时启用 "
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"MOVIEPILOT_SAFE_MODE=true，但安全模式不是全功能扩容方案。"
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)
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def validate_process_topology(*, workers: int, safe_mode: bool) -> None:
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"""
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在启动任何持久化或后台副作用前校验进程拓扑。
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:param workers: API worker 进程数
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:param safe_mode: 是否只启动安全模式数据面
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:raises UnsupportedProcessTopologyError: 当前拓扑会复制全功能控制面
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"""
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issue = process_topology_issue(workers=workers, safe_mode=safe_mode)
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if issue:
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raise UnsupportedProcessTopologyError(issue)
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