[EDIT] FILE: pidfile.py

# -*- coding: utf-8 -*- # daemon/pidfile.py # Part of ‘python-daemon’, an implementation of PEP 3143. # # This is free software, and you are welcome to redistribute it under # certain conditions; see the end of this file for copyright # information, grant of license, and disclaimer of warranty. """ Lockfile behaviour implemented via Unix PID files. """ from __future__ import (absolute_import, unicode_literals) from lockfile.pidlockfile import PIDLockFile  class TimeoutPIDLockFile(PIDLockFile, object): """ Lockfile with default timeout, implemented as a Unix PID file. This uses the ``PIDLockFile`` implementation, with the following changes: * The `acquire_timeout` parameter to the initialiser will be used as the default `timeout` parameter for the `acquire` method. """ def __init__(self, path, acquire_timeout=None, *args, **kwargs): """ Set up the parameters of a TimeoutPIDLockFile. :param path: Filesystem path to the PID file. :param acquire_timeout: Value to use by default for the `acquire` call. :return: ``None``. """ self.acquire_timeout = acquire_timeout super().__init__(path, *args, **kwargs) def acquire(self, timeout=None, *args, **kwargs): """ Acquire the lock. :param timeout: Specifies the timeout; see below for valid values. :return: ``None``. The `timeout` defaults to the value set during initialisation with the `acquire_timeout` parameter. It is passed to `PIDLockFile.acquire`; see that method for details. """ if timeout is None: timeout = self.acquire_timeout super().acquire(timeout, *args, **kwargs)  # Copyright © 2008–2019 Ben Finney <ben+python@benfinney.id.au> # # This is free software: you may copy, modify, and/or distribute this work # under the terms of the Apache License, version 2.0 as published by the # Apache Software Foundation. # No warranty expressed or implied. See the file ‘LICENSE.ASF-2’ for details.  # Local variables: # coding: utf-8 # mode: python # End: # vim: fileencoding=utf-8 filetype=python :
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