Redis-py namespace idea

redisns.py

from redis import Redis
class RedisNS(Redis):
    def __init__(self, *args, **kwargs):
        self.namespace = None
        ns = kwargs.pop('namespace', None)
        if ns:
            self.namespace = '%s:' % ns
        super(RedisNS, self).__init__(*args, **kwargs)

    def _ns(self, key):
        if self.namespace:
            return self.namespace + ':' + key
        return key

    def debug_object(self, key):
        "Returns version specific metainformation about a give key"
        return super(RedisNS, self).debug_object(self._ns(key))

    def delete(self, *names):
        "Delete one or more keys specified by ``names``"
        names = [self._ns(n) for n in names]
        return super(RedisNS, self).delete(*names)

    def object(self, infotype, key):
        "Return the encoding, idletime, or refcount about the key"
        return super(RedisNS, self).object(infotype, self._ns(key))

    def append(self, key, value):
        """
        Appends the string ``value`` to the value at ``key``. If ``key``
        doesn't already exist, create it with a value of ``value``.
        Returns the new length of the value at ``key``.
        """
        return super(RedisNS, self).append(self._ns(key), value)

    def decr(self, name, amount=1):
        """
        Decrements the value of ``key`` by ``amount``.  If no key exists,
        the value will be initialized as 0 - ``amount``
        """
        return super(RedisNS, self).decr(self._ns(name), amount)