def __init__(self, limits):
        self.limits = limits
        self._levels = {}
User will register via FacebookWebMiddleware
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/ratelimiting/__init__.py/Limiter.__init__--crossover with--dataset/ETHPy150Open jgorset/fandjango/tests/test_fandjango.py/TestFacebookMultipleMiddleware.test_web_registration