- Version
0.1.6
- Author
Chris Smith (chris@cir.ca)
- Download
- Source
- Keywords
python, dates, datetime, timezone, timestamp, utc
Inspired by the elegant API of Requests and JavaScript's moment.js, Arrow aims to provide a fast, simple way to manipulate dates & times, timezones and timestamps in Python.
Arrow is UTC by default. When optional, time zones are assumed to be UTC when none is supplied.
You can install arrow from pip:
$ pip install arrow>>> from arrow import arrow
Current UTC date & time
>>> arrow() Arrow(2012-11-24T04:12:55.204282+00:00 UTC)
Current local date & time
>>> arrow('local') Arrow(2012-11-23T20:13:21.092619-08:00 PST)
Current date & time in named time zone
>>> arrow('US/Pacific') Arrow(2012-11-23T20:13:27.557101-08:00 PST)
Current date & time with offset-based time zone
>>> arrow(timedelta(hours=-1)) Arrow(2012-11-24T03:13:38.580132-01:00 None)
Current date & time with ISO-format time zone
>>> arrow('+01:30') Arrow(2012-11-24T05:43:45.076323+01:30 None)
From a timestamp in UTC
>>> arrow(time.time()) Arrow(2012-11-24T04:13:48.052395+00:00 UTC)
From a timestamp in another time zone
>>> arrow(time.time(), 'US/Eastern') Arrow(2012-11-23T23:18:34.269432-05:00 EST)
Another date & time in UTC
>>> arrow(datetime(12, 1, 1)) Arrow(0012-01-01T00:00:00+00:00 UTC)
Another date & time in another time zone
>>> arrow(datetime(12, 1, 1), 'US/Central') Arrow(0012-01-01T00:00:00-06:00 CST)
>>> a = arrow() >>> a.datetime datetime.datetime(2012, 11, 20, 0, 18, 42, 516322, tzinfo=tzutc()) >>> a.timestamp 1353370722 >>> a.tz.name 'UTC' >>> a.tz.utcoffset datetime.timedelta(0) >>> a.tz.utc True
>>> a = arrow('local') >>> a.datetime datetime.datetime(2012, 11, 20, 0, 19, 47, 172338, tzinfo=tzfile('/etc/localtime')) >>> a.timestamp 1353399587 >>> a.tz.name 'PST' >>> a.tz.utcoffset datetime.timedelta(-1, 57600) >>> a.tz.utc False
>>> a1 = arrow() >>> a2 = arrow('local') >>> a3 = a1.to('local') >>> a4 = a2.to('UTC') >>> a1; a4 Arrow(11/20/12 15:47:27.388437 +00:00 (UTC)) Arrow(11/20/12 15:47:30.821018 +00:00 (UTC)) >>> a2; a3 Arrow(11/20/12 07:47:30.821018 -08:00 (PST)) Arrow(11/20/12 07:47:27.388437 -08:00 (PST))
>>> a1 = arrow('local') >>> a2 = arrow() >>> a3 = a1.utc() >>> a2; a3 Arrow(11/20/12 15:48:32.458546 +00:00 (UTC)) Arrow(11/20/12 15:48:30.211002 +00:00 (UTC))
Default behavior
>>> dt_1 = datetime(2012, 1, 1, 3, 3, 3) >>> dt_2 = datetime(2012, 1, 2, 4, 4, 4) >>> arrow(dt_1).humanize(dt_2) 'in 1 day' >>> arrow(dt_2).humanize(dt_1) '1 day ago'
Places & precision
>>> dt_1 = datetime(2012, 1, 1, 3, 3, 3) >>> dt_2 = datetime(2012, 1, 2, 4, 4, 4) >>> arrow(dt_1).humanize(dt_2, places=2) 'in 1 day and 1 hour' >>> arrow(dt_1).humanize(dt_2, places=3) 'in 1 day, 1 hour and 1 minute' >>> arrow(dt_2).humanize(dt_1) '1 day ago' >>> arrow(dt_2).humanize(dt_1, places=2) '1 day and 1 hour ago' >>> arrow(dt_2).humanize(dt_1, places=3) '1 day, 1 hour and 1 minute ago'
Pre- / post-fixing
>>> dt_1 = datetime(2012, 1, 1, 3, 3, 3) >>> dt_2 = datetime(2012, 1, 2, 4, 4, 4) >>> arrow(dt_1).humanize(dt_2, fix=False) '1 day' >>> arrow(dt_2).humanize(dt_1, fix=False) '1 day'
- Parsing date strings (e.g. arrow('11-19-2012', format='MM-dd-YYYY'))
- Formatting date strings (e.g. arrow().format('MM-dd-YYYY'))
- Some round trip conversions are inaccurate (see arrow-py#4)
- 0.1.6
- Added humanized time deltas
- Fixed numerous issues with conversions related to daylight savings time
- Fixed some inconsistencies in time zone names
- __str__ uses ISO formatting
- __eq__ implemented for basic comparison between Arrow objects
- 0.1.5
- Started tracking changes
- Added parsing of ISO-formatted time zone offsets (e.g. '+02:30', '-05:00')
- Fixed some incorrect timestamps with delta / olson time zones
- Fixed formatting of UTC offsets in TimeStamp's str method