25 lines
584 B
Python
25 lines
584 B
Python
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import os
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from typing import IO, Any
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if os.name == "nt":
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import msvcrt
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elif os.name == "posix":
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import fcntl
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class FileLock:
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@staticmethod
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def lock(file: IO[Any]) -> None:
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if os.name == "nt":
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msvcrt.locking(file.fileno(), msvcrt.LK_LOCK, 1)
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elif os.name == "posix":
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fcntl.flock(file.fileno(), fcntl.LOCK_EX)
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@staticmethod
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def unlock(file: IO[Any]) -> None:
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if os.name == "nt":
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msvcrt.locking(file.fileno(), msvcrt.LK_UNLCK, 1)
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else:
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fcntl.flock(file.fileno(), fcntl.LOCK_UN)
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