A python package that provides useful locks.

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  • License: Apache Software License (ASL 2.0)
  • Author: Joshua Harlow
  • Tags locks, thread, threads, interprocess, processes, process, fasteners
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Project description

https://travis-ci.org/harlowja/fasteners.png?branch=master Documentation Status

Overview

A 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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