from django import template
from django.contrib.flatpages.models import FlatPage

register = template.Library()

def crumbs(url, title):
    "Return breadcrumb trail leading to URL for this page"
    t = title
    s = '  >  '
    c = '<a href="/">Home</a>'
    l = url.split('/')
    for index, item in enumerate(l):
        if item == '':
            del l[index]
    n = len(l)
    if n > 1:
        l[0] = '/' + l[0] + '/'
        for i in range(1, n-1):
            l[i] = l[i-1] + l[i] + '/'
        for index2, item2 in enumerate(l):
            q = FlatPage.objects.filter(url=l[index2])
            if q:
                qa = '<a href="%s">%s</a>' % (q[0].url, q[0].title)
                c = c + s + qa
    c = c + s + t
    return c

register.filter('crumbs', crumbs)