Better django urls

better_django_urls

#This is a work in progress.

from django.conf.urls import patterns, url
from view_file_name import my_view


def kwarg(kwarg_name, kwarg_regex=r'[a-z0-9-]+'):
    """
    :param kwarg_name: The key to which this kwarg will be assigned
    :param kwarg_regex: The regular expression the keyword's value must match
    :returns: A string which can be used to add a keyword to a django url

    Keyword argument format is  r'(?P<{kwarg_name}>{kwarg_regex})/'
    """
    return r'(?P<{kwarg_name}>){kwarg_regex})/'.format(kwarg_name=kwarg_name, kwarg_regex=kwarg_regex)


year_regex = r'\d\d\d\d|\d\d'  # accept either two digit year or four digit year
month_regex = r'\d{1,2}'
day_regex = r'\d{1,2}'

year = kwarg('year', year_regex)
month = kwarg('month', month_regex)
day = kwarg('day', day_regex)


urlpatterns = patterns('calendar',
    #url(regex, view_function, name='url.name'),
    url('^events/' + year + month + day + '?$', my_view_func, name='events')
)