def _trackPrime(self, prime):
        assert prime not in self._primes
        self._primes.add(prime)
        return prime
Returns a cache key for the header cache.
dataset/ETHPy150Open OrbitzWorldwide/droned/droned/lib/droned/models/server.py/DroneServer._trackPrime--crossover with--dataset/ETHPy150Open splunk/splunk-webframework/contrib/django/django/utils/cache.py/_generate_cache_header_key