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tzlocal 1.1.3

tzinfo object for the local timezone

tzlocal

This Python module returns a tzinfo object with the local timezone information under Unix and Win-32. It requires pytz, and returns pytz tzinfo objects.

This module attempts to fix a glaring hole in pytz, that there is no way to get the local timezone information, unless you know the zoneinfo name, and under several Linux distros that’s hard or impossible to figure out.

Also, with Windows different timezone system using pytz isn’t of much use unless you separately configure the zoneinfo timezone name.

With tzlocal you only need to call get_localzone() and you will get a tzinfo object with the local time zone info. On some Unices you will still not get to know what the timezone name is, but you don’t need that when you have the tzinfo file. However, if the timezone name is readily available it will be used.

Supported systems

These are the systems that are in theory supported:

  • Windows 2000 and later
  • Any unix-like system with a /etc/localtime or /usr/local/etc/localtime

If you have one of the above systems and it does not work, it’s a bug. Please report it.

Usage

Load the local timezone:

>>> from tzlocal import get_localzone
>>> tz = get_localzone()
>>> tz
<DstTzInfo 'Europe/Warsaw' WMT+1:24:00 STD>

Create a local datetime:

>>> from datetime import datetime
>>> dt = tz.localize(datetime.now())
>>> dt
datetime.datetime(2012, 9, 11, 14, 43, 42, 518871, tzinfo=<DstTzInfo 'Europe/Warsaw' CEST+2:00:00 DST>)

Lookup another timezone with pytz:

>>> import pytz
>>> eastern = pytz.timezone('US/Eastern')

Convert the datetime:

>>> eastern.normalize(dt.astimezone(eastern))
datetime.datetime(2012, 9, 11, 8, 43, 42, 518871, tzinfo=<DstTzInfo 'US/Eastern' EDT-1 day, 20:00:00 DST>)

Maintainer

Contributors

  • Marc Van Olmen
  • Benjamen Meyer
  • Manuel Ebert
  • Xiaokun Zhu
  • Cameris

(Sorry if I forgot someone)

Changes

1.1.3 (2015-04-08)

  • Systemd stores no time zone name, forcing us to look at the name of the file that localtime symlinks to. (cameris)

1.1.2 (2014-10-18)

  • Timezones that has 3 items did not work on Mac OS X. (Marc Van Olmen)
  • Now doesn’t fail if the TZ environment variable isn’t an Olsen time zone.
  • Some timezones on Windows can apparently be empty (perhaps the are deleted). Now these are ignored. (Xiaokun Zhu)

1.1.1 (2014-01-29)

  • I forgot to add Etc/UTC as an alias for Etc/GMT.

1.1 (2014-01-28)

  • Adding better support for OS X.
  • Added support to map from tzdata/Olsen names to Windows names. (Thanks to Benjamen Meyer).

1.0 (2013-05-29)

  • Fixed some more cases where spaces needs replacing with underscores.
  • Better handling of misconfigured /etc/timezone.
  • Better error message on Windows if we can’t find a timezone at all.

0.3 (2012-09-13)

  • Windows 7 support.
  • Python 2.5 supported; because it only needed a __future__ import.
  • Python 3.3 tested, it worked.
  • Got rid of relative imports, because I don’t actually like them, so I don’t know why I used them in the first place.
  • For each Windows zone, use the default zoneinfo zone, not the last one.

0.2 (2012-09-12)

  • Python 3 support.

0.1 (2012-09-11)

  • Initial release.
 
File Type Py Version Uploaded on Size
tzlocal-1.1.3.tar.gz (md5) Source 2015-04-08 15KB
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