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PIDFile context processor. Supported py2 and py3

Project description

Build Status Latest Version round wheels Python versions License Coverage Status

Python context manager for managing pid files. Example usage:

import pidfile
import time

print('Starting process')
    with pidfile.PIDFile():
        print('Process started')
except pidfile.AlreadyRunningError:
    print('Already running.')


The context manager will take care of verifying the existence of a pid file, check its pid to see if it’s alive, check the command line (which should be <something>/<python name>), and if all the conditions are met, rise a pidfile.AlreadyRunningError exception.

PIDFile() defaults to pidfile for the file name, but it’s possible to specify another, e.g. PIDFile(‘’).

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