On Saturday, 20 August 2011 20:20:12 UTC+1, Joshua Russo wrote:
>
> I setup this patter in url.py
>
> url(r'^events/(?P<year>\d{4})/(?P<month>\d{2})/$', events,
> name="eventsMonth")
>
> in my template I have this tag
>
> {% url eventsMonth year=month.prev.year month=month.prev.month %}
>
> but I keep getting
>
> Caught NoReverseMatch while rendering: Reverse for 'eventsMonth' with
> arguments '()' and keyword arguments '{'month': 7, 'year': 2011}' not found.
>
> I traced the problem into the reverse() code and the logic goes all the way
> to the end, when the following statement from line 325 of
> core/urlresolvers.py fails and I can't figure out why
>
> if re.search(u'^%s' % pattern, candidate, re.UNICODE):
>
> The pattern is
> 'events/(?P<year>\\d{4})/(?P<month>\\d{2})/$'
> and the candidate is
> u'events/2011/7/'
>
> Why doesn't that regular expression match? What am I doing wrong?
>
Because there's only one digit in the month (7), and it's expecting two.
Either change your code to pad the month to two digits, or change the regex
to /(?P<month>\d{1,2})/$
--
DR.
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