agenda/templatetags/agenda_extra.py
from django import template
import datetime
from django.utils import timezone
register = template.Library()
@register.filter
def addstr(arg1, arg2):
"""concatenate arg1 & arg2"""
return str(arg1) + str(arg2)
@register.filter
def hours_ago(time, hours):
return time + datetime.timedelta(hours=hours) < timezone.now()