def __len__(self):
        raise NotImplementedError
Tries to acquire a limit for a given key. Returns True if the limit can be acquired.
dataset/ETHPy150Open zbyte64/django-dockit/dockit/backends/base.py/BaseDocumentQuerySet.__len__--crossover with--dataset/ETHPy150Open bbangert/retools/retools/limiter.py/Limiter.acquire_limit