Base class for file locking
| 25 | |
| 26 | |
| 27 | class BaseLock: |
| 28 | """Base class for file locking""" |
| 29 | |
| 30 | def __init__(self) -> None: |
| 31 | self.locked = False |
| 32 | |
| 33 | def acquire(self) -> None: |
| 34 | pass |
| 35 | |
| 36 | def release(self) -> None: |
| 37 | pass |
| 38 | |
| 39 | def __enter__(self) -> "BaseLock": |
| 40 | self.acquire() |
| 41 | return self |
| 42 | |
| 43 | def __exit__( |
| 44 | self, |
| 45 | exc_type: type[BaseException] | None, |
| 46 | exc: BaseException | None, |
| 47 | exc_tb: TracebackType | None, |
| 48 | ) -> Literal[False]: |
| 49 | if self.locked: |
| 50 | self.release() |
| 51 | return False |
| 52 | |
| 53 | def __del__(self) -> None: |
| 54 | if self.locked: |
| 55 | self.release() |
| 56 | |
| 57 | |
| 58 | try: |