On Mar 2, 1:10 pm, Malcolm Tredinnick <malc...@pointy-stick.com>
wrote:
> On Mon, 2009-03-02 at 00:02 -0800, Rama Vadakattu wrote:
> > Thanks Malcolm.Understood very clearly.
>
> > Following the same approach i have used following code in my templates
> > {% url djorum_feed_url category.getCategoryString %}
>
> > category.getCategoryString is the function which returns category
> > string "category/catgory.id"
>
> > Regards
> > rama
>
> > BUt how should i use the url tag to form the above
> > Actually i need this url in my template
>
> Well, that's a different question to the one you asked. You asked how to
> do this with reverse(), which is easy, since we have the full power of
> Python at our disposal. The "url" template tag, however, is a bit less
> flexible (typically, template tags have less argument flexibility than
> full Python functions).
>
> Now, I'm not really sure what you're saying is the problem here. Does
> the fragment you've posted not work? Providing
> category.getCategoryString() can be called with no arguments and returns
> a string, it should be usable in the url template tag.
>
> Also, it shouldn't really be returning, literally,
> "category/category.id", I presume. It should be returning something like
> "category/1". One of the things you cannot do in templates is use a
> variable to return the name of another variable to look up (which is
> called indirect lookups). The template language is intentionally
> restricted to not permit that.
>
> If you cannot call getCategoryString() with no arguments, then you
> cannot use the url template tag. You'll need to write your own template
> tag that knows somehow how to get the appropriate category.
>
> Regards,
> Malcolm
i can able to call getCategoryString() in url template tag.It is
working fine.
I donot have any problems.And also the function returns a string
"category/1" and is not
returning category/category.id.
def getCategoryString(self):
return "category/%d" % self.id
Everthing is working fine.
Sorry for not mentioning it very clearly in the last reply.
Thanks
rama
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