On Fri, Jun 27, 2008 at 4:33 PM, Antonis Christofides
<[EMAIL PROTECTED]> wrote:
> There are essentially two things that you can do with a block:
> (1) define it (or redefine it); and (2) insert it somewhere in a
> template. The block tag thus performs different functions depending
> on circumstances:
> * If a block tag with the same name exists in an inherited
> template, then the block tag merely (re)defines the block.
> * If no block tag with the same name is inherited, then the block tag
> at the same time defines the block AND inserts it in the template.
class A(object):
def meth(self):
return "A"
class B(A):
def meth(self):
return "B"
--------------------------------------------------
(a.html)
{% block bl %}A{% endblock %}
(b.html)
{% extends "a.html" %}
{% block bl %}B{% endblock %}
Can you see the similarity? It's a hierarchy. A base.html with a block
"content" without content or a placeholder is just like an abstract
class.
HTH,
Ludvig
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