Context manager that acquires and releases an exclusive write lock. Falls back to instance defaults for *timeout* and *blocking* when ``None``. :param timeout: maximum wait time in seconds, or ``None`` to use the instance default :param blocking: if ``False``, rais
(self, timeout: float | None = None, *, blocking: bool | None = None)
| 388 | |
| 389 | @contextmanager |
| 390 | def write_lock(self, timeout: float | None = None, *, blocking: bool | None = None) -> Generator[None]: |
| 391 | """ |
| 392 | Context manager that acquires and releases an exclusive write lock. |
| 393 | |
| 394 | Falls back to instance defaults for *timeout* and *blocking* when ``None``. |
| 395 | |
| 396 | :param timeout: maximum wait time in seconds, or ``None`` to use the instance default |
| 397 | :param blocking: if ``False``, raise :class:`~filelock.Timeout` immediately; ``None`` uses the instance default |
| 398 | |
| 399 | """ |
| 400 | if timeout is None: |
| 401 | timeout = self.timeout |
| 402 | if blocking is None: |
| 403 | blocking = self.blocking |
| 404 | self.acquire_write(timeout, blocking=blocking) |
| 405 | try: |
| 406 | yield |
| 407 | finally: |
| 408 | self.release() |
| 409 | |
| 410 | def release(self, *, force: bool = False) -> None: |
| 411 | """ |