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Format date range

Author:
bmihelac
Posted:
March 30, 2009
Language:
HTML/template
Version:
Not specified
Tags:
date format range
Score:
0 (after 0 ratings)

templatetags/date_range.py

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import re

from django import template

register = template.Library()

@register.simple_tag
def format_date_range(from_date, to_date):
    """
    >>> import datetime
    >>> format_date_range(datetime.date(2009,1,15), datetime.date(2009,1,20))
    '15. - 20.01.2009.'
    >>> format_date_range(datetime.date(2009,1,15), datetime.date(2009,2,20))
    '15.01. - 20.02.2009.'
    >>> format_date_range(datetime.date(2009,1,15), datetime.date(2010,2,20))
    '15.01.2009. - 20.02.2010.'
    >>> format_date_range(datetime.date(2009,1,15), datetime.date(2010,1,20))
    '15.01.2009. - 20.01.2010.'
    
    Use in django templates:
    
    {% load date_range %}
    {% format_date_range exhibition.start_on exhibition.end_on %}
    """
    from_format = to_format = '%d.%m.%Y.'
    if (from_date.year == to_date.year):
        from_format = from_format.replace('%Y.', '')
        if (from_date.month == to_date.month):
            from_format = from_format.replace('%m.', '')
    return " - ".join((from_date.strftime(from_format), to_date.strftime(to_format), ))


def _test():
    import doctest
    doctest.testmod()

if __name__ == "__main__":
    _test()

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Comments

astur (on May 2, 2009):

Try it with same month and different year. Like this:

>>>format_date_range(datetime.date(2009,1,15), datetime.date(2010,1,20))
'15.2009. - 20.01.2010.'

Is it what you mean? Maybe it will better to put second if inside first if?

#

bmihelac (on May 8, 2009):

Astur, you are right - I updated code to reflect this. Thanks

#

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