@register.filter
def external_url(url):
    return urlresolvers.get_outgoing_url(unicode(url))
Validate attribute values and this object's internal consistency.
dataset/ETHPy150Open mozilla/addons-server/src/olympia/amo/helpers.py/external_url--crossover with--dataset/ETHPy150Open google/transitfeed/transitfeed/agency.py/Agency.Validate