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https://ghfast.top/https://github.com/aeroxw/tick-stock-panel.git
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shy3130
697c27bb02
- 市场环境: 新增情绪周期6阶段(冰点/启动/主升/高潮/退潮/修复, 连板梯队驱动, EMA平滑+2日确认+弱档否决, 平均段长9.7天)与概念/行业主线排名(涨停梯队聚合, 可配置宽基/风格标签过滤); 市场环境页重构, regime 透明加列, 与5档state并存 - 挖掘: 因子与策略挖掘全链路(API/worker/进程锁/候选库/前端工作台/文档), 周度调度默认关闭且永不自动发布 - 回测: 财务快照因子(点时口径), 批量回测预计算共享下期收益, 信号路径矩阵列依赖展开修复(consecutive_limit_ups 缺列报错) - 数据/性能: enriched 生成与预热治理, 重任务限流, 行情/K线缓存复用, 时区修复 - 测试: 后端全量 914 通过; GUI 黑盒验证截图存证 gui-test-screenshots/
79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
from __future__ import annotations
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import os
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from pathlib import Path
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from typing import BinaryIO
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class MiningProcessLockError(RuntimeError):
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"""Another application process owns mining for this data directory."""
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class MiningProcessLock:
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def __init__(self, data_dir: Path) -> None:
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self._path = Path(data_dir) / ".mining_process.lock"
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self._stream: BinaryIO | None = None
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def acquire(self) -> None:
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if self._stream is not None:
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return
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self._path.parent.mkdir(parents=True, exist_ok=True)
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stream = self._path.open("a+b")
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try:
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stream.seek(0, os.SEEK_END)
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if stream.tell() == 0:
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stream.write(b"0")
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stream.flush()
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os.set_inheritable(stream.fileno(), False)
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_try_lock_file(stream)
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except BaseException:
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stream.close()
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raise
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self._stream = stream
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def release(self) -> None:
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stream = self._stream
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if stream is None:
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return
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self._stream = None
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try:
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_unlock_file(stream)
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finally:
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stream.close()
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def _try_lock_file(stream: BinaryIO) -> None:
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if os.name == "nt":
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import msvcrt
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stream.seek(0)
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try:
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msvcrt.locking(stream.fileno(), msvcrt.LK_NBLCK, 1)
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except OSError as exc:
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raise MiningProcessLockError(
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"another application process already owns mining for this data directory"
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) from exc
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return
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import fcntl
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try:
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fcntl.flock(stream.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
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except OSError as exc:
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raise MiningProcessLockError(
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"another application process already owns mining for this data directory"
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) from exc
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def _unlock_file(stream: BinaryIO) -> None:
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if os.name == "nt":
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import msvcrt
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stream.seek(0)
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msvcrt.locking(stream.fileno(), msvcrt.LK_UNLCK, 1)
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return
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import fcntl
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fcntl.flock(stream.fileno(), fcntl.LOCK_UN)
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