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Timeout decorator

Project description

Timeout decorator

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Installation

From source code:

python setup.py install

From pypi:

pip install timeout-decorator

Usage

import time
import timeout_decorator

@timeout_decorator.timeout(5)
def mytest():
    print("Start")
    for i in range(1,10):
        time.sleep(1)
        print("{} seconds have passed".format(i))

if __name__ == '__main__':
    mytest()

Specify an alternate exception to raise on timeout:

import time
import timeout_decorator

@timeout_decorator.timeout(5, timeout_exception=StopIteration)
def mytest():
    print("Start")
    for i in range(1,10):
        time.sleep(1)
        print("{} seconds have passed".format(i))

if __name__ == '__main__':
    mytest()

Multithreading

By default, timeout-decorator uses signals to limit the execution time of the given function. This appoach does not work if your function is executed not in a main thread (for example if it’s a worker thread of the web application). There is alternative timeout strategy for this case - by using multiprocessing. To use it, just pass use_signals=False to the timeout decorator function:

import time
import timeout_decorator

@timeout_decorator.timeout(5, use_signals=False)
def mytest():
    print "Start"
    for i in range(1,10):
        time.sleep(1)
        print("{} seconds have passed".format(i))

if __name__ == '__main__':
    mytest()

Acknowledgement

Derived from http://www.saltycrane.com/blog/2010/04/using-python-timeout-decorator-uploading-s3/ and https://code.google.com/p/verse-quiz/source/browse/trunk/timeout.py

Contribute

I would love for you to fork and send me pull request for this project. Please contribute.

License

This software is licensed under the MIT license

See License file

Changelog

0.3.1

  • Fixed issue with PicklingError causes the timeout to never be reached.

0.3.0

  • Added optional threading support via python multiprocessing (bubenkoff)

  • Switched to pytest test runner (bubenkoff)

0.2.1

  • Initial public release

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