pytz' localize() method is the bane of my life.

Refs #17262.

Modified django.utils.dateformat module, moving __init__() method and
timezone-related format methods from DateFormat class to TimeFormat
base class. Modified timezone-related format methods to return an
empty string when timezone is inappropriate for input value.

One import per line please! Refs #20680.

Thanks olofom at gmail com for the report.

Thanks Vinay Sajip for the support of his django3 branch and
Jannis Leidel for the review.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17486 bcc190cf-cafb-0310-a4f2-bffc1f526a37

For more information on this project, see this thread:
http://groups.google.com/group/django-developers/browse_thread/thread/cf0423bbb85b1bbf



git-svn-id: http://code.djangoproject.com/svn/django/trunk@17106 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Fixed #16924 -- Corrected `date` template filter handling of negative (West of UTC) timezone offsets.

The 'O' format specifier output was incorrect. Thanks mrgriscom and Aymeric Augustin.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16903 bcc190cf-cafb-0310-a4f2-bffc1f526a37

 assert_ -> assertTrue
 assertEquals -> assertEqual
 failUnless -> assertTrue

For full details, see http://www.voidspace.org.uk/python/articles/unittest2.shtml#deprecations

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15728 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Fixed #12991 -- Added unittest2 support. Thanks to PaulM for the draft patch, and to Luke, Karen, Justin, Alex, Łukasz Rekucki, and Chuck Harmston for their help testing and reviewing the final patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14139 bcc190cf-cafb-0310-a4f2-bffc1f526a37

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13938 bcc190cf-cafb-0310-a4f2-bffc1f526a37

A few test optimizations; using native unittest where no Django-specific TestCase features are required.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13935 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Fixed #12127 -- Corrected teardown of dateformat tests. Thanks to apollo13 for the report, and Karen Tracey for the debugging help.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11705 bcc190cf-cafb-0310-a4f2-bffc1f526a37

to not assume TZ absolutely will be set in the environment.  That environment
variable does not necessarily exist on Windows, it seems.



git-svn-id: http://code.djangoproject.com/svn/django/trunk@11699 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Fixed #12123 -- Updated the utils.dateformat test to be a unittest too, due to a dependency on the old dateformat test.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11695 bcc190cf-cafb-0310-a4f2-bffc1f526a37

Fixed #10825: fixed the 'U' format code to dateformat (and the date/now filter/tag). Thanks to gsong and mir.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10716 bcc190cf-cafb-0310-a4f2-bffc1f526a37