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crython-0.2.0
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مشاهده بیشترتوضیحات
Lightweight task scheduler using cron expressions.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | crython-0.2.0 |
| نام | crython |
| نسخه کتابخانه | 0.2.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Andrew Hawker |
| ایمیل نویسنده | andrew.r.hawker@gmail.com |
| آدرس صفحه اصلی | https://github.com/ahawker/crython |
| آدرس اینترنتی | https://pypi.org/project/crython/ |
| مجوز | MIT |
crython
=======
|Join the chat at https://gitter.im/crython/Lobby|
|Build Status| |Build status| |codecov| |Code Climate| |Issue Count|
|PyPI version| |PyPI versions|
|Stories in Ready|
crython is a lightweight task (function) scheduler using
`cron <http://en.wikipedia.org/wiki/Cron>`__ expressions written in
python.
Status
~~~~~~
This module is actively maintained.
Installation
~~~~~~~~~~~~
To install crython from `pip <https://pypi.python.org/pypi/pip>`__:
.. code:: bash
$ pip install crython
To install crython from source:
.. code:: bash
$ git clone git@github.com:ahawker/crython.git
$ python setup.py install
Usage
~~~~~
Crython supports seven fields (seconds, minutes, hours, day of month,
month, weekday, year).
Call a function once a minute:
.. code:: python
import crython
# Fire once a minute.
@crython.job(second=0)
def foo():
print "... while heavy sack beatings are up a shocking nine hundred percent? - Kent Brockman"
Call a function every ten seconds:
.. code:: python
# Fire every 10 seconds.
@crython.job(second=range(0, 60, 10))
def foo():
print "I'm a big four-eyed lame-o and I wear the same stupid sweater every day. - Homer's Brain"
Call a function with a single cron expression:
.. code:: python
# Fire every 10 seconds.
@crython.job(second='*/10')
def foo():
print "Hail to the thee Kamp Krusty... - Kampers"
Call a function with a full cron expression:
.. code:: python
# Fire once a week.
@crython.job(expr='0 0 0 * * 0 *')
def foo():
print "Back in line, maggot! - Kearny"
Call a function with positional and/or keyword arguments:
.. code:: python
# Fire every second.
@job('safety gloves', second='*', name='Homer Simpson')
def foo(item, name):
print "Well, I don't need {0}, because I'm {1}. -- Grimey".format(item, name)
Call a function using `predefined
keywords <https://github.com/ahawker/crython#keywords>`__:
.. code:: python
# Fire once a day.
@crython.job(expr='@daily')
def foo():
print "That's where I saw the leprechaun. He tells me to burn things! - Ralph Wiggum"
.. code:: python
# Fire once immediately after scheduler starts.
@crython.job(expr='@reboot')
def foo():
print "I call the big one bitey. - Homer Simpson"
Call a function and run it within a separate thread (default behaviour
if ``ctx`` is not specified):
.. code:: python
# Fire once a week.
@crython.job(expr='@weekly', ctx='thread')
def foo():
print "No, no, dig up stupid. - Chief Wiggum"
Call a function and run it within a separate process:
.. code:: python
# Fire every hour.
@crython.job(expr='@hourly', ctx='multiprocess')
def foo():
print "Eat my shorts. - Bart Simpson"
Start the global job scheduler:
.. code:: python
if __name__ == '__main__':
crython.start()
Keywords
~~~~~~~~
+-----------------------+-----------------------+-----------------------+
| Entry | Description | Equivalent To |
+=======================+=======================+=======================+
| @yearly/@annually | Run once a year at | 0 0 0 0 1 1 \* |
| | midnight in the | |
| | morning of January 1 | |
+-----------------------+-----------------------+-----------------------+
| @monthly | Run once a month at | 0 0 0 0 1 \* \* |
| | midnight in the | |
| | morning of the first | |
| | of the month | |
+-----------------------+-----------------------+-----------------------+
| @weekly | Run once a week at | 0 0 0 0 \* 0 \* |
| | midnight in the | |
| | morning of Sunday | |
+-----------------------+-----------------------+-----------------------+
| @daily | Run once a day at | 0 0 0 \* \* \* \* |
| | midnight | |
+-----------------------+-----------------------+-----------------------+
| @hourly | Run once an hour at | 0 0 \* \* \* \* \* |
| | the beginning of the | |
| | hour | |
+-----------------------+-----------------------+-----------------------+
| @minutely | Run once a minute at | 0 \* \* \* \* \* \* |
| | the beginning of the | |
| | minute | |
+-----------------------+-----------------------+-----------------------+
| @reboot | Run once at startup | @reboot |
+-----------------------+-----------------------+-----------------------+
TODO
~~~~
- Support “L”, “W” and “#” specials.
- Determine time delta from now -> next time expression is valid.
Contributing
~~~~~~~~~~~~
If you would like to contribute, simply fork the repository, push your
changes and send a pull request.
License
~~~~~~~
Crython is available under the `MIT
license <https://github.com/ahawker/crython/blob/master/LICENSE.md>`__.
See Other
~~~~~~~~~
There are similar python cron libraries out there. See:
`pycron <http://www.kalab.com/freeware/pycron/pycron.htm>`__,
`python-crontab <http://pypi.python.org/pypi/python-crontab/>`__,
`cronex <https://github.com/jameseric/cronex>`__.
.. |Join the chat at https://gitter.im/crython/Lobby| image:: https://badges.gitter.im/crython/Lobby.svg
:target: https://gitter.im/crython/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
.. |Build Status| image:: https://travis-ci.org/ahawker/crython.png
:target: https://travis-ci.org/ahawker/crython
.. |Build status| image:: https://ci.appveyor.com/api/projects/status/lrl0vof32pkl3tu9?svg=true
:target: https://ci.appveyor.com/project/ahawker/crython
.. |codecov| image:: https://codecov.io/gh/ahawker/crython/branch/master/graph/badge.svg
:target: https://codecov.io/gh/ahawker/crython
.. |Code Climate| image:: https://codeclimate.com/github/ahawker/crython/badges/gpa.svg
:target: https://codeclimate.com/github/ahawker/crython
.. |Issue Count| image:: https://codeclimate.com/github/ahawker/crython/badges/issue_count.svg
:target: https://codeclimate.com/github/ahawker/crython
.. |PyPI version| image:: https://badge.fury.io/py/crython.svg
:target: https://badge.fury.io/py/crython
.. |PyPI versions| image:: https://img.shields.io/pypi/pyversions/crython.svg
:target: https://pypi.python.org/pypi/crython
.. |Stories in Ready| image:: https://badge.waffle.io/ahawker/crython.svg?label=ready&title=Ready
:target: http://waffle.io/ahawker/crython
نحوه نصب
نصب پکیج whl crython-0.2.0:
pip install crython-0.2.0.whl
نصب پکیج tar.gz crython-0.2.0:
pip install crython-0.2.0.tar.gz