def cached(*args, **kwargs):
if not cache[0]:
if region is not None:
if region not in cache_regions:
raise BeakerException(
'Cache region not configured: %s' % region)
reg = cache_regions[region]
if not reg.get('enabled', True):
return func(*args, **kwargs)
cache[0] = Cache._get_cache(namespace, reg)
elif manager:
cache[0] = manager.get_cache(namespace, **options)
else:
raise Exception("'manager + kwargs' or 'region' "
"argument is required")
cache_key_kwargs = []
if kwargs:
# kwargs provided, merge them in positional args
# to avoid having different cache keys.
args, kwargs = bindfuncargs(signature, args, kwargs)
cache_key_kwargs = [
u_(':').join((u_(key), u_(value)))
for key, value in kwargs.items()
]
cache_key_args = args
if skip_self:
cache_key_args = args[1:]
cache_key = u_(" ").join(
map(u_, chain(deco_args, cache_key_args, cache_key_kwargs)))
if region:
cachereg = cache_regions[region]
key_length = cachereg.get('key_length',
util.DEFAULT_CACHE_KEY_LENGTH)
else:
key_length = options.pop('key_length',
util.DEFAULT_CACHE_KEY_LENGTH)
# TODO: This is probably a bug as length is checked before converting to UTF8
# which will cause cache_key to grow in size.
if len(cache_key) + len(namespace) > int(key_length):
cache_key = sha1(cache_key.encode('utf-8')).hexdigest()
def go():
return func(*args, **kwargs)
# save org function name
go.__name__ = '_cached_%s' % (func.__name__, )
return cache[0].get_value(cache_key, createfunc=go)
def cached(*args, **kwargs):
if not cache[0]:
if region is not None:
if region not in cache_regions:
raise BeakerException(
'Cache region not configured: %s' % region)
reg = cache_regions[region]
if not reg.get('enabled', True):
return func(*args, **kwargs)
cache[0] = Cache._get_cache(namespace, reg)
elif manager:
cache[0] = manager.get_cache(namespace, **options)
else:
raise Exception("'manager + kwargs' or 'region' "
"argument is required")
cache_key_kwargs = []
if kwargs:
# kwargs provided, merge them in positional args
# to avoid having different cache keys.
args, kwargs = bindfuncargs(signature, args, kwargs)
cache_key_kwargs = [u_(':').join((u_(key), u_(value))) for key, value in kwargs.items()]
cache_key_args = args
if skip_self:
cache_key_args = args[1:]
cache_key = u_(" ").join(map(u_, chain(deco_args, cache_key_args, cache_key_kwargs)))
if region:
cachereg = cache_regions[region]
key_length = cachereg.get('key_length', util.DEFAULT_CACHE_KEY_LENGTH)
else:
key_length = options.pop('key_length', util.DEFAULT_CACHE_KEY_LENGTH)
# TODO: This is probably a bug as length is checked before converting to UTF8
# which will cause cache_key to grow in size.
if len(cache_key) + len(namespace) > int(key_length):
cache_key = sha1(cache_key.encode('utf-8')).hexdigest()
def go():
return func(*args, **kwargs)
# save org function name
go.__name__ = '_cached_%s' % (func.__name__,)
return cache[0].get_value(cache_key, createfunc=go)