Introduction
croniter provides iteration for datetime object with cron like format.
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Website: https://github.com/kiorky/croniter
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Usage
Simple example of usage is followings:
>>> from croniter import croniter
>>> from datetime import datetime
>>> base = datetime(2010, 1, 25, 4, 46)
>>> iter = croniter('*/5 * * * *', base) # every 5 minites
>>> print iter.get_next(datetime) # 2010-01-25 04:50:00
>>> print iter.get_next(datetime) # 2010-01-25 04:55:00
>>> print iter.get_next(datetime) # 2010-01-25 05:00:00
>>>
>>> iter = croniter('2 4 * * mon,fri', base) # 04:02 on every Monday and Friday
>>> print iter.get_next(datetime) # 2010-01-26 04:02:00
>>> print iter.get_next(datetime) # 2010-01-30 04:02:00
>>> print iter.get_next(datetime) # 2010-02-02 04:02:00
All you need to know is constructor and get_next, these signature are following:
>>> def __init__(self, cron_format, start_time=time.time())
croniter iterate along with ‘cron_format’ from ‘start_time’. cron_format is ‘min hour day month day_of_week’, and please refer to http://en.wikipedia.org/wiki/Cron for details.:
>>> def get_next(self, ret_type=float)
get_next return next time in iteration with ‘ret_type’. And ret_type accept only ‘float’ or ‘datetime’.
Now, supported get_prev method. (>= 0.2.0):
>>> base = datetime(2010, 8, 25)
>>> itr = croniter('0 0 1 * *', base)
>>> print itr.get_prev(datetime) # 2010-08-01 00:00:00
>>> print itr.get_prev(datetime) # 2010-07-01 00:00:00
>>> print itr.get_prev(datetime) # 2010-06-01 00:00:00
Develop this package
git clone https://github.com/kiorky/croniter.git cd croniter python bootstrap.py -d bin/buildout -vvvvvvN bin/test
Make a new release
We use zest.fullreleaser, a great releaser infrastructure.
Do and follow the instructions
bin/fullrelease
Contributors
Thank you to all who have contributed to this project! If you contributed and not listed below please let me know.
mrmachine
Hinnack
shazow
kiorky
jlsandell
mag009
djmitche
GreatCombinator
chris-baynes
ipartola
yuzawa-san
Changelog
0.3.10 (2015-11-29)
The fuctionality of ‘l’ as day of month was brokne, since the month variable was not properly updated [Iddo Aviram <iddo.aviram@similarweb.com>]
0.3.9 (2015-11-19)
Don’t use datetime functions python 2.6 doesn’t support [petervtzand]
0.3.8 (2015-06-23)
Truncate microseconds by setting to 0 [Corey Wright]
0.3.7 (2015-06-01)
converting sun in range sun-thu transforms to int 0 which is recognized as empty string; the solution was to convert sun to string “0”
0.3.6 (2015-05-29)
Fix default behavior when no start_time given Default value for start_time parameter is calculated at module init time rather than call time.
Fix timezone support and stop depending on the system time zone
0.3.5 (2014-08-01)
support for ‘l’ (last day of month)
0.3.4 (2014-01-30)
Python 3 compat
QA Relase
0.3.3 (2012-09-29)
proper packaging
Metadata
Release files for croniter 0.3.10
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