No insights? I'm still plugging away at it but it's not working for
some reason.
On Apr 18, 11:15 pm, Streamweaver <streamwea...@gmail.com> wrote:
> I'm having trouble developing a feed decorator. I feel like the
> decorator I've come up with should work but isn't and I wanted to ask
> if someone can spot my error.
>
> I have two view methods one that returns a normal HTML view and
> another that returns an rss feed of the same data. They both take the
> same arguments. I am trying to create a decorator that checks the
> request objects for a format variable in the querystring and returns
> the feed view instead of the html view. Like so:
>
> my_view_feed
>
> @format_req('rss', my_view_feed)
> my_view
>
> So a request for '/site/foo/bar' would return 'my_view' but '/site/foo/
> bar?format=rss' would return 'my_view_feed'
>
> This is the decorator method I created and I would think would work
> but I'm still struggling a bit with decorators with arguments, even
> after reading Bruce's excellent post (http://www.artima.com/weblogs/
> viewpost.jsp?thread=240845)
>
> def format_req(fmt, new_fn):
>
> def _decorator(view_fn):
>
> def _wraped(request, *args, **kwargs):
> req_format = request.GET.get('format', None)
> if req_format == fmt:
> return new_fn(request, *args, **kwargs)
> # Default to returning the original method
> return view_fn(request, *args, **kwargs)
>
> return _wraped
>
> return _decorator
>
> I would have though a request with 'format=rss' would return new_view
> but no matter what I do I always get view_fn returned.
>
> Can anyone point me toward where I'm going wrong. As usual I'll post
> the final code once I get it working for reference.
>
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