def run_decorated(self, func, *args, **kwargs):
if self.key:
key = make_key(self.key)
else:
key = make_key(repr(func), repr(args), repr(kwargs))
group_keys = map(make_key, self.group_keys)
cache = self.cache
value = None
evaluate = False
if group_keys:
data = cache.get_multi(group_keys + [key])
data_dict = data.get(key)
if (not data) or (not data_dict):
evaluate = True
if data_dict:
value = data_dict['value']
for group_key in group_keys:
if group_key not in data or group_key not in data_dict or data[group_key] != data_dict[group_key]:
evaluate = True
if group_key in data and not data[group_key]:
del data[group_key]
evaluate = True
else:
value = cache.get(key)
if not value:
evaluate = True
if isinstance(value, dict) and 'is_multigroup' in value:
evaluate = True
if evaluate:
value = func(*args, **kwargs)
if not group_keys:
cache.set(key, value)
else:
group_dict = {}
for group_key in group_keys:
if group_key not in data:
group_dict[group_key] = make_group_value(group_key)
else:
group_dict[group_key] = data[group_key]
data_dict = {}
data_dict['value'] = value
data_dict['is_multigroup'] = True
data_dict.update(group_dict)
group_dict[key] = data_dict
cache.set_multi(group_dict)
return value
def expire_key(self, key):
self.cache.set(make_key(key), None)
