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from django import template
from datetime import datetime, time, timedelta
register = template.Library()
@register.simple_tag
def height(start, end):
if start.year == 2020 and int(start.strftime('%V')) >= 5 and start.hour == 12 and start.minute == 0:
return '30'
else:
return '%d' % ((end - start).seconds / 60)
@register.simple_tag
def height_until(end):
start = datetime.combine(end.date(), time(6, 0))
return '%d' % ((end - start).seconds / 60)
@register.simple_tag
def height_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 '%d' % ((end - start).seconds / 60)
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