On Fri, 2009-02-27 at 01:20 -0800, Rama Vadakattu wrote:
> i am using django feed syndication framework.
>
> 1) .in urls.py
>
> feeds = {
> 'category': LatestTopicsByCategory,
> }
>
> urlpatterns += patterns('',
> url(r'^feeds/(?P<url>.*)/$',
> 'django.contrib.syndication.views.feed' , {'feed_dict':
> feeds},name='djorum_feed_url') ,
> )
>
> LatestTopicsByCategory is the class which generates feed for every
> category.
>
> /feeds/category/1 ===========> generates feed for category 1
>
> -----------------------
>
> Now i want to make this feedurl in template based on the categoryid?
> How do i reverse lookup from the djorum_feed_url (in urls.py) ?
The reverse() function operates solely on things inside the
"urlpatterns" variable. Which means the arguments you pass to reverse()
in this case are the view name (djorum_feed_url) and the "url"
parameter.
To make this a bit more readable in your code, you'll want to create a
function that takes, say, a category number and returns the correct
value for the "url" parameter. For example:
def create_url_param(category_num):
return u"category/%d" % category_num
Then you can combine them as:
reverse("djorum_feed_url", kwargs={"url": create_url_param(1)})
or create a wrapper function for all of that.
If it were me, I might be tempted to make create_url_param() a method on
the LatestTopicsByCategory class. I'd probably think of a better name,
though. Even as I type this email, I'm getting sick of reading
create_url_param().
Regards,
Malcolm
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