Cap export-task poll loops at 5min to avoid infinite hang
顺心/中通/韵达/安能 的导出任务轮询循环原本只在"本批任务全部完成"时 退出,无任何时间上限:任务卡在生成中、或因时钟偏移没落进 40s 容差窗口 匹配不上时,会无限轮询、流程永不返回,连 with_retry 都没机会触发。 给这 5 处轮询加 300s deadline,超时即 raise → 流程返回 False → 触发 已有的重置重试机制。把"永久挂死"变成"有界失败→自动重试"。 Co-Authored-By: Claude <noreply@anthropic.com>
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@@ -702,7 +702,14 @@ def poll_and_download_tasks(export_cdp, export_times, download_dir):
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total_expected = len(export_times)
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print(f">> 轮询导出下载任务(期望 {total_expected} 个)...")
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poll_deadline = (
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time.monotonic() + 300
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) # 5 分钟上限:任务卡死/匹配不上时超时失败,交由上层重置重试
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while True:
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if time.monotonic() > poll_deadline:
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raise RuntimeError(
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"轮询导出任务超时(5 分钟未全部完成/匹配),疑似任务卡死"
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)
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wait_until(
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export_cdp,
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"!!document.querySelector('.ant-table-thead')",
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