[Zope] dtml-var AND dtml-tree

[Thomas B. Passin]

Danny William Adair wrote -

> For the people who have problems with dtml-tree's "urlparam" only handling
> constants...
>
> I patched "lib/python/TreeDisplay/TreeTag.py" so that I can have a
parameter
> "urlparam_var", an object on the namespace that holds the querystring I
want
> to insert. This is the first time I patched zope internals, but it works
> fine. Maybe someone who knows better can comment on this.
>

It's always a temptation to patch and add features since it's so easy to do
with Zope.    But it's a bit dangerous because the changes could get lost or
forgotten when you upgrade to a new version. Also, other people can't use
your code unless they install the changes too.

Cheers,

Tom P