On Mon, 2009-08-10 at 11:28 -0700, nabucosound wrote:
> Hi all:
>
> I have a URLconf url entry like this:
>
>
> url(
> regex=r'^(?P<category>\w+)/(?P<slug>[-\w]+)/$',
> view='show_post',
> name='show_post',
> kwargs={'msg': None},
> ),
>
>
> and I want to call it with HttpResponseRedirect and reverse():
>
>
> filters = {'category': post.category.name, 'slug': post.slug}
> return HttpResponseRedirect(reverse('show_post', kwargs=filters))
>
>
> but I am getting this error:
>
>
> NoReverseMatch at /commentposted/first-post/
>
> Reverse for 'show_post' with arguments '()' and keyword arguments
> '{'category': u'django', 'msg': 'Your comment has been posted',
> 'slug': u'first-post'}' not found.
>
[...]
> Is there any way to pass th reverse() function extra optional
> parameters that the url define? Or am I crazy?
No, you can't do that. By the way, the extra arguments you are passing
in aren't *optional* -- they are simply not required. There is not
situation in which they will be used to construct the URL.
You can only pass in parameters that are present in the URL pattern.
There are a bunch of technical reasons for this (including handling
optional arguments and precise error reporting), so it's not an
arbitrary decision.
Regards,
Malcolm
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