gistfile1.py

def do_add(x, y):
    return x + y
do_add.function = True
do_add.name = 'add'

{% add 1 9 as ten %}
1 + 9 = {{ ten }}

def less(x, y):
    return x < y
less.comparison = True
less.test = {'args': (1,0), 'result': False}

{% if_less some_object.id 3 %}
    {{ some_object }} has an id less than 3.
{% endif_less %}

def do_del(context, name):
    del context[name]
    return ''
do_del.function = True
do_del.name = 'del'
do_del.takes_context = True
do_del.resolve = False

{% del request %}


def render_block(context, nodelist):
    return nodelist.render(context)
render_block.block = True

{% render_block as path %}
    {{ request.path }}
{% endrender_block %}



def slashdot():
    return feedparser.parse('http://rss.slashdot.org/Slashdot/slashdotIT')
slashdot.cache = 3600
slashdot.fallback = {'entries': []}


{% slashdot as slashdot_items %}
{% for entry in slashdot_items.entries %}
    ...
{% endfor %}