Django spymemcached Jython cache backend.

spymemcached_jython.py

"""
A memcached library for Jython.  Wraps spymemcached.jar.
Very lightly tested; use at your own risk!
Depends on spymemcached (<http://code.google.com/p/spymemcached/>).
No fancy features, but it shouldn't be hard to extend.
"""

from java.net import InetSocketAddress
from net.spy.memcached import MemcachedClient, BinaryConnectionFactory

class SpyMemcachedClient(object):
    def __init__(self, host, port):
        addr = InetSocketAddress(host,port)
        self.client = MemcachedClient(BinaryConnectionFactory(), [addr])

    def add(self, key, value, timeout=0):
        return self.client.add(key, timeout, value)

    def get(self, key, default=None):
        ret = self.client.get(key)
        return ret if ret is not None else default

    def set(self, key, value, timeout=0):
        return bool(self.client.set(key, timeout, value))

    def delete(self, key):
        return bool(self.client.delete(key))

    def get_many(self, keys):
        return self.client.getBulk(keys)

    def incr(self, key, delta=1):
        return bool(self.client.incr(key, delta))

    def decr(self, key, delta=1):
        return bool(self.client.decr(key, delta))

    def close(self, **kwargs):
        self.client.flush()
        self.client.shutdown()