twisted memcache client on cyclone web server

test.py

# coding: utf-8
# twistd -n cyclone -r test.Application

import cyclone.web
from twisted.internet import defer
from twisted.internet import protocol
from twisted.internet import reactor
from twisted.protocols.memcache import MemCacheProtocol


class MemcacheMixin(object):
    memcache = None

    @classmethod
    def memcache_setup(cls, path="/tmp/memcache"):
        c = protocol.ClientCreator(reactor, MemCacheProtocol)
        c.connectUNIX(path).addCallback(lambda p: setattr(cls, "memcache", p))


class IndexHandler(cyclone.web.RequestHandler, MemcacheMixin):
    @defer.inlineCallbacks
    def get(self):
        v = yield self.memcache.get("test")
        self.write("test=%s\r\n" % repr(v))

    @defer.inlineCallbacks
    def post(self):
        v = self.get_argument("v").encode("utf-8")
        yield self.memcache.set("test", v)
        self.write("ok\r\n")


class Application(cyclone.web.Application):
    def __init__(self):
        handlers = [ (r"/", IndexHandler) ]
        settings = {"debug": True}

        MemcacheMixin.memcache_setup()
        cyclone.web.Application.__init__(self, handlers, **settings)