#20693: Add timezone support to built-in time template filter
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Reporter: warren@… | Owner: nobody
Type: New feature | Status: new
Component: Template system | Version: 1.5
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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Currently, the built-in time template filter does not support timezone,
even if timezone information is present on the time or datetime object
that is passed to it.
The built-in date filter DOES support timezone if passed a datetime
object, so this is often used as a workaround. However, when attempting to
use the DATE_FORMAT and TIME_FORMAT settings in conjunction with naked {{
value|date }} and {{ value|time }} template expressions to get consistent
date and time formatting across a site, the lack of timezone support in
the time filter is a problem if timezone information needs to be displayed
after the time.
There is a discussion of this issue on the Django Developers list:
https://groups.google.com/forum/#!topic/django-developers/r-7dMZROTs4
The consensus so far seems to be to modify the
django.utils.dateformat.TimeFormat class so that it has similar timezone
support for datetime objects as does the DateFormat class in the same
module. Since DateFormat is a subclass of TimeFormat, it is likely that
the timezone support methods can just be moved from DateFormat into
TimeFormat, along with the __init__() method.
Some modification to the methods will need to occur to account for the
case where a time object (not a datetime object) is passed to a filter
with a timezone-related format specifier. It was decided in the discussion
that the behavior in this case should be that the format method will
return an empty string.
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Ticket URL: <https://code.djangoproject.com/ticket/20693>
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