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from django import template
register = template.Library()
from datetime import datetime, time, timedelta
@register.simple_tag
def duration(start, end):
return 'style="height: %dpx"' % ((end-start).seconds/60)
@register.simple_tag
def duration_until(end):
start = datetime.combine(end.date(), time(6,0))
return 'style="height: %dpx"' % ((end-start).seconds/60)
@register.simple_tag
def duration_since(start):
if start.time() < time(23,59):
end = datetime.combine(start.date()+timedelta(days=1), time(6,0))
else:
end = datetime.combine(start.date(), time(6,0))
return 'style="height: %dpx"' % ((end-start).seconds/60)
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