Jim Fulton wrote:
> > So, if I give my product a class attribute of isDocTemp=1, what
> > signature should I give my product's __call__ method so it picks up the
> > DTML namespace?
>
> def __call__(self, ignored, md): ...
Right, now if I call other DTML methods from my __call__ method, can I
just call them with:
self.nav_header(self, ignored, md)?
In any case, what is self in __call__(self, ...) and what should it be
in nav_header(self, ...)?
> > expecting it to print the id of myDocument. Is this me misunderstanding
> > what the 'client' is,
>
> Yes.
Fair enough... I think what I meant was whatever the object that
<dtml-var "this()"> would return if that occurend in the
standard_html_header method.
> > In either case, what do I need to go to get hold of what would be
> > PARENTS[0-1], if you see what I mean?
>
> I don't see what you mean.
http://a.site/folder/object/myobject
myobject contains <dtml-var standard_html_header>
standard_html_header contains <dtml-var mynavigator>
__call__ is a method of the Navigator product, of which mynavigator is
an instance.
Anyway, in that __call__, self.REQUEST.PARENTS =
[zope-app,folder,object] (roughly)
By PARENTS[0-1], I meant the myobject object, itself.
Hurm, I'm finding this hard to explain clearly, let me know if I'm
getting closer :-S
> I think that if you say:
>
> <dtml-var expr="foo.bar">
>
> that foo's namespace should take precedence over
> the DTML namespace,
Okay, I see what you mean now :-)
> > render?
>
> Well, a number of people have suggested that there should
> be a separate render (ie call as subtemlpate) interface.
> Maybe that's what what you meant.
Nope... DT_Var.py line 258:
def render(self, md):
...is what I think the people who mentioned it to me were talking about.
> http://site.com/foo/bar
>
> <dtml-var expr="foo.bar">
> in http://site.com/zoo/splat.
>
> In the former case, foo's namespace is
> at the top of the stack and, in the second case,
> it's not on the stack.
Okay, that clears it up :-)
> > PS: What I'm actually looking for out of all of this is the
> > getPhysicalPath() of the final object that was traversed through the
> > URL.
> > e.g: If the URL was http://www.nipltd.com/folder/somethingelse/myobject,
> > I'm looking for something like:
> > [<Application Instance at 0x000000> (Zope) , <Folder Instance at
> > 0x000000> (folder) , <DTMLDocument Instance at 0x000000> (myobject)]
>
> getPhysicalPath returns a list of strings, not objects.
d'Oh!
> > If there's an easier way to get this from within the __call__ method of
> > a python product, someone PLEASE tell me! ;-)
>
> aq_chain(x, 1)[-1:] should give this to you, I believe, or
> be very close. :)
Won't that just return x? (hmm... does aq_chain return
[child,...,parent] or [parent,...,child]?)
I think the hard part fo the problem I'm trying to solve is finding out
what x is from within the __call__ method.
Any help muchly appreciated, sorry this is takign such a long time to
sort out in my head... ;-)
cheers,
Chris
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