class SaveMeMemcached(_SaveMe):
def __init__(
self,
url,
expire=None,
**settings):
# Lock settings
lock_settings = {}
for key in list(settings.keys()):
if key.startswith('lock_'):
lock_settings[key.split('lock_', 1)[1]] = settings.pop(key)
lock_settings.update(settings)
self.memcache_module = _import_module('memcache')
self.memcache = self.memcache_module.Client(url.split(';'), **settings)
self.expire = maybe_integer(expire)
self.lockme = LockMeMemcached(url, **lock_settings)
def lock(self, *args, **kwargs):
return self.lockme.lock(*args, **kwargs)
def unlock(self, *args, **kwargs):
return self.lockme.unlock(*args, **kwargs)
def format_name(self, name):
return to_bytes(make_sha256(name))
def __contains__(self, name):
return self.memcache.get(self.format_name(name)) is not None
def get_binary(self, name, expire=MARKER):
binary = self.memcache.get(self.format_name(name))
if binary is None:
raise KeyError('Missing cache key "%s"' % name)
else:
return binary
def put_binary(self, name, binary, mode='wb', expire=MARKER):
name_256 = self.format_name(name)
if expire is MARKER:
expire = self.expire
# Append to existing file
if mode == 'append' and name in self:
self.memcache.append(name_256, binary, time=expire or 0)
else:
self.memcache.set(name_256, binary, time=expire or 0)
def __delitem__(self, name):
self.memcache.delete(self.format_name(name))
def __init__(
self,
url,
expire=None,
**settings):
# Lock settings
lock_settings = {}
for key in list(settings.keys()):
if key.startswith('lock_'):
lock_settings[key.split('lock_', 1)[1]] = settings.pop(key)
lock_settings.update(settings)
self.memcache_module = _import_module('memcache')
self.memcache = self.memcache_module.Client(url.split(';'), **settings)
self.expire = maybe_integer(expire)
self.lockme = LockMeMemcached(url, **lock_settings)
