def wrapped(method, self, *args, **kwargs):
kwargs = function_args_as_kwargs(method, self, *args, **kwargs)
kwargs.pop('self')
_key = key(self, kwargs)
_namespace = namespace(self, kwargs)
_cache = cache(self, kwargs)
_use_cache = use_cache(self, kwargs)
_renew = renew(self, kwargs)
_serializer = serializer(self, kwargs)
_metadata = metadata(self, kwargs)
if _cache is None or not _use_cache:
return method(self, **kwargs)
if _cache.has_key(
_key, namespace=_namespace
) and not _renew: # noqa: has_key is not of a dictionary here
try:
return _cache.get(_key,
namespace=_namespace,
serializer=_serializer)
except:
logger.warning(
"Failed to retrieve results from cache. Renewing the cache..."
)
if config.cache_fail_hard:
six.reraise(*sys.exc_info())
finally:
logger.caveat('Loaded from cache')
# Renewing/creating cache
value = method(self, **kwargs)
if value is None:
logger.warning("Method value returned None. Not saving to cache.")
return
try:
_cache.set(_key,
value=value,
namespace=_namespace,
serializer=_serializer,
metadata=_metadata)
# Return from cache every time, just in case serialization operation was
# destructive (e.g. reading from cursors)
return _cache.get(_key,
namespace=_namespace,
serializer=_serializer)
except:
logger.warning(
"Failed to save results to cache. If needed, please save them manually."
)
if config.cache_fail_hard:
six.reraise(*sys.exc_info())
return value # As a last resort, return value object (which could be mutated by serialization).
def wrapped(method, self, *args, **kwargs):
kwargs = function_args_as_kwargs(method, self, *args, **kwargs)
kwargs.pop('self')
_key = key(self, kwargs)
_namespace = namespace(self, kwargs)
_cache = cache(self, kwargs)
_use_cache = use_cache(self, kwargs)
_renew = renew(self, kwargs)
_serializer = serializer(self, kwargs)
_metadata = metadata(self, kwargs)
if _cache is None or not _use_cache:
return method(self, **kwargs)
if _renew or not _cache.has_key(_key, namespace=_namespace): # noqa: has_key is not of a dictionary here
value = method(self, **kwargs)
if value is None:
logger.warning("Method value returned None. Not saving to cache.")
return
try:
_cache.set(
_key,
value=value,
namespace=_namespace,
serializer=_serializer,
metadata=_metadata
)
except:
logger.warning("Failed to save results to cache. If needed, please save them manually.")
if config.cache_fail_hard:
six.reraise(*sys.exc_info())
else:
logger.caveat('Loaded from cache')
# Return from cache every time, just in case serialization operation was
# destructive (e.g. reading from cursors)
return _cache.get(
_key,
namespace=_namespace,
serializer=_serializer
)
def wrapped(method, self, *args, **kwargs):
if six.PY3 and not hasattr(sys, 'pypy_version_info'):
arguments = inspect.signature(method).parameters.keys()
else:
arguments = inspect.getargspec(method).args
kwargs.update(dict(zip(list(arguments)[1:], args)))
_cache = cache(self)
_use_cache = use_cache(self, kwargs)
_renew = renew(self, kwargs)
_format = format(self, kwargs)
if _cache is None or not _use_cache:
return method(self, **kwargs)
_id_duct = id_duct(self, kwargs)
_id_str = id_str(self, kwargs)
if _renew or not _cache.has_key(
_id_duct,
_id_str): # noqa: has_key is not of a dictionary here
value = method(self, **kwargs)
try:
_cache.set(id_duct=_id_duct,
id_str=_id_str,
value=value,
serializer=serializer(_format))
except Exception: # Remove any lingering (perhaps partial) cache files
_cache.clear(id_duct=_id_duct, id_str=_id_str)
logger.warning(
"Failed to save results to cache. If needed, please save them manually."
)
if config.cache_fail_hard:
raise
return value
logger.caveat('Loaded from cache')
return _cache.get(id_duct=_id_duct,
id_str=_id_str,
deserializer=deserializer(_format))