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fasteners (python package that provides useful locks)
It includes the following.
- Locking decorator
Helpful locked decorator (that acquires instance objects lock(s)
and acquires on method entry and releases on method exit).
- Reader-writer locks
Multiple readers (at the same time).
Single writers (blocking any readers).
Helpful read_locked and write_locked decorators.
- Inter-process locks
Single writer using file based locking (these automatically release
on process exit, even if __release__ or __exit__ is never called).
Helpful interprocess_locked decorator.
- Generic helpers
A try_lock helper context manager that will attempt to acquire a
given lock and provide back whether the attempt passed or failed
(if it passes, then further code in the context manager will be ran
with the lock acquired).
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