def test_defined(value):
    return not isinstance(value, Undefined)
Fake version of os.access where only reads are supported.
dataset/ETHPy150Open GeekTrainer/Flask/Work/Trivia - Module 5/env/Lib/site-packages/jinja2/tests.py/test_defined--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/dev_appserver_import_hook.py/FakeAccess