Synnefo

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from uuid import uuid4

from django.core.cache import get_cache

from django.core import signals

from synnefo.vmapi.settings import CACHE_KEY_PREFIX, CACHE_BACKEND

def get_uuid():

    return str(uuid4())

def get_key(*args):

    args = map(str, filter(bool, list(args)))

    args.insert(0, CACHE_KEY_PREFIX)

    return "_".join(args)

# initialize serverparams cache backend

backend = get_cache(CACHE_BACKEND)

# Some caches -- pythont-memcached in particular -- need to do a cleanup at the

# end of a request cycle. If the cache provides a close() method, wire it up

# here.

if hasattr(backend, 'close'):

    signals.request_finished.connect(backend.close)