## helpers.py
# Mark as active helper
def mark_as_active_section(col, current_section):
    def mark_as_active(item, current_section):
        if current_section.startswith(item['id']):
            item['active'] = True
        return item
    return map(lambda i: mark_as_active(i, current_section),col)

# Is section decorator
def is_section(func):
    def section_marker(*args, **kwargs):
        if kwargs['menu']:
            kwargs['menu'] = mark_as_active_section(kwargs['menu'], func.__name__)
        return func(*args, **kwargs)
    return section_marker

## urls.py
# Static Menu
menu = lambda: [
    {'id':'home','title':'Home','active':False,'href':'/home/'},
    ...
]

urlpatterns = patterns('',
    (r'^home/$', main_views.home, {'menu':menu()}),
   ...
)

## views.py
from helpers import is_section

@is_section
def home(request, menu):
    context = Context({'menu':menu,...})
    ...

## templates/start.html
{% for section in menu %}
    <li><a href="{{ section.href }}" {% if section.active %} class="active" {% endif %}>
          {{ section.title }}
    </a></li>
{% endfor %}