[Twisted-web] Re: Page object design: wrapping a dictionary
containing data
Michael Hudson
mwh at python.net
Sun Jan 23 03:24:02 MST 2005
Mary Gardiner <mary-twisted at puzzling.org> writes:
> I've got a Page object that derives all its data from a dictionary, eg:
>
> {
> 'project_name': 'project',
> 'project_description': 'hello',
> # ... you get the idea
> }
>
> What's a good way for the Page object to wrap that dictionary that
> doesn't involve doing this:
>
> def data_name(self, ctx, data):
> return self.d['project_name']
>
> def data_description(self, ctx, data):
> return self.d['project_description']
>
> # and so on for every key in the dictionary
>
> I vaguely recall that the equivalent of this used to be possible in
> Woven:
>
> def data_project(self, ctx, data):
> return self.d
>
> and then that the data items were accessible by (say)
> stan.directive("project/project_name"). This doesn't look like its
> supported in Nevow. Is this correct? What alternative designs are there
> for something like this?
I think something like this:
def data_dict(self, thing):
return self.d[thing]
then nevow:data="dict project_name" shoud work. I think.
Cheers,
mwh
--
39. Re graphics: A picture is worth 10K words - but only those
to describe the picture. Hardly any sets of 10K words can be
adequately described with pictures.
-- Alan Perlis, http://www.cs.yale.edu/homes/perlis-alan/quotes.html
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