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24 lines
745 B
Python
24 lines
745 B
Python
from io import TextIOWrapper
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import contextlib
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import os.path
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import platform
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@contextlib.contextmanager
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def lock_volume(volume: TextIOWrapper):
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if (os.path.ismount(volume.name)):
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if (platform.system().startswith("Windows")):
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import msvcrt
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import win32file
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import winioctlcon
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handle = msvcrt.get_osfhandle(volume.fileno())
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win32file.DeviceIoControl(handle, winioctlcon.FSCTL_LOCK_VOLUME, None, None)
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try:
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yield volume
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finally:
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try:
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volume.flush()
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finally:
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win32file.DeviceIoControl(handle, winioctlcon.FSCTL_UNLOCK_VOLUME, None, None)
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