def parent_dir(path):
    return os.path.abspath(os.path.join(path, os.pardir))
Dynamic URL objects can be found using a namespace
dataset/ETHPy150Open CenterForOpenScience/osf.io/website/settings/defaults.py/parent_dir--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/urlpatterns_reverse/tests.py/NamespaceTests.test_namespace_object