async def _add(self, key, value, ttl, dumps_fn, namespace):
start = time.time()
dumps = dumps_fn or self._serializer.dumps
ns_key = self._build_key(key, namespace=namespace)
await self._policy.pre_set(key, value)
await self._backend.add(ns_key, dumps(value), ttl)
await self._policy.post_set(key, value)
logger.info("ADD %s %s (%.4f)s", ns_key, True, time.time() - start)
return True
async def _get(self, key, default, loads_fn, namespace):
start = time.time()
loads = loads_fn or self._serializer.loads
ns_key = self._build_key(key, namespace=namespace)
await self._policy.pre_get(key)
value = loads(await self._backend.get(ns_key))
if value:
await self._policy.post_get(key)
logger.info("GET %s %s (%.4f)s", ns_key, value is not None,
time.time() - start)
return value or default
async def _multi_get(self, keys, loads_fn, namespace):
start = time.time()
loads = loads_fn or self._serializer.loads
for key in keys:
await self._policy.pre_get(key)
ns_keys = [self._build_key(key, namespace=namespace) for key in keys]
values = await self._backend.multi_get(ns_keys)
values = [loads(value) for value in values]
for key in keys:
await self._policy.post_get(key)
logger.info("MULTI_GET %s %d (%.4f)s", ns_keys,
len([value for value in values if value is not None]),
time.time() - start)
return values
async def _multi_set(self, pairs, ttl, dumps_fn, namespace):
start = time.time()
dumps = dumps_fn or self._serializer.dumps
tmp_pairs = []
for key, value in pairs:
await self._policy.pre_set(key, value)
tmp_pairs.append(
(self._build_key(key, namespace=namespace), dumps(value)))
await self._backend.multi_set(tmp_pairs, ttl=ttl)
for key, value in pairs:
await self._policy.post_set(key, value)
logger.info("MULTI_SET %s %d (%.4f)s",
[key for key, value in tmp_pairs], len(pairs),
time.time() - start)
return True
async def _raw(self, command, *args, **kwargs):
start = time.time()
ret = await self._backend.raw(command, *args, **kwargs)
logger.info("%s (%.4f)s", command, time.time() - start)
return ret
async def _exists(self, key, namespace):
start = time.time()
ns_key = self._build_key(key, namespace=namespace)
ret = await self._backend.exists(ns_key)
logger.info("EXISTS %s %d (%.4f)s", ns_key, ret, time.time() - start)
return ret
async def _delete(self, key, namespace):
start = time.time()
ns_key = self._build_key(key, namespace=namespace)
ret = await self._backend.delete(ns_key)
logger.info("DELETE %s %d (%.4f)s", ns_key, ret, time.time() - start)
return ret