This is tag similar to timesince and timeuntil, which work great until you starting giving timesince dates in the future or timeuntil dates in the past. Timedelta tag will humanize output correctly for both future and past dates using now as a default reference date (or a specified reference date as argument)
now = Apr 27 2007
futuredate = May 5 2007
pastdate = Jan 5 2007
{{ futuredate|timedelta }} will output "in 1 week, 1 day"
{{ pastdate|timedelta }} will output "3 months, 2 weeks ago"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | from django import template
from django.utils.timesince import timesince
from datetime import datetime
register = template.Library()
def timedelta(value, arg=None):
if not value:
return ''
if arg:
cmp = arg
else:
cmp = datetime.now()
if value > cmp:
return "in %s" % timesince(cmp,value)
else:
return "%s ago" % timesince(value,cmp)
register.filter('timedelta',timedelta)
|
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