def make_key(self, key, version=None):
        if version is None:
            version = self.version

        new_key = self.key_func(key, self.key_prefix, version)
        return new_key
Constructs the key used by all other methods. By default it
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/core/cache/backends/base.py/BaseCache.make_key