[Answer]-Django datetime expression

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Django represents DateTimeFields as Python datetime objects, so the result of your subtraction is a datetime.timedelta object. To get the number of full days, you can do:

delta = self.end_date - self.pub_date
return delta.days

This only counts full days, though. To round to the nearest full day, you can do something like:

delta = self.end_date - self.pub_date
if delta.seconds / 3600 >= 12:
    return delta.days + 1 # round up
else:
    return delta.days # round down

For more information, see: http://docs.python.org/2/library/datetime.html#timedelta-objects

👤Fredrik

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