[Zope-dev] calling dtml method with same name up the hierarchy.

[Dieter Maurer]

Casey Duncan writes:
 > The following should work in your nested standard_html_footer to call the
 > higher level one without infinite recursion:
 > 
 > <dtml-with "PARENTS[1]">
 >    <dtml-var standard_html_footer>
 > </dtml-with>
I fear this solution is very unstable.

"PARENTS" is defined by the URL path (loosely spoken).
This means, what "PARENTS[1]" is depend on the number of path
components in the URL. If there are sufficiently many components,
you will get the infinite loop again.


I think, there is no reliable way when "standard_html_footer"
is a DTML method, as such an object has no way to access itself.
With an DTML document, you may have a chance (I did not check):
you would need an external (maybe Python) method

  def container(o):
    '''returns 'o's container.'''
    return o.aq_inner.aq_parent


You could then try:

    <dtml-with "container(this())">
      <dtml-var standard_html_footer>
    </dtml-with>

Dieter