def _get_from_cache(self, target_self, *args, **kwargs):
target_self_cls_name = reflection.get_class_name(target_self,
fully_qualified=False)
func_name = "%(module)s.%(class)s.%(func_name)s" % {
'module': target_self.__module__,
'class': target_self_cls_name,
'func_name': self.func.__name__,
}
key = (func_name, ) + args
if kwargs:
key += helpers.dict2tuple(kwargs)
# oslo.cache expects a string or a buffer
key = str(key)
try:
item = target_self._cache.get(key)
except TypeError:
LOG.debug(
"Method %(func_name)s cannot be cached due to "
"unhashable parameters: args: %(args)s, kwargs: "
"%(kwargs)s", {
'func_name': func_name,
'args': args,
'kwargs': kwargs
})
return self.func(target_self, *args, **kwargs)
if item is self._not_cached:
item = self.func(target_self, *args, **kwargs)
target_self._cache.set(key, item)
return item
def _get_from_cache(self, target_self, *args, **kwargs):
target_self_cls_name = reflection.get_class_name(target_self,
fully_qualified=False)
func_name = "%(module)s.%(class)s.%(func_name)s" % {
'module': target_self.__module__,
'class': target_self_cls_name,
'func_name': self.func.__name__,
}
key = (func_name,) + args
if kwargs:
key += helpers.dict2tuple(kwargs)
# oslo.cache expects a string or a buffer
key = str(key)
try:
item = target_self._cache.get(key)
except TypeError:
LOG.debug("Method %(func_name)s cannot be cached due to "
"unhashable parameters: args: %(args)s, kwargs: "
"%(kwargs)s",
{'func_name': func_name,
'args': args,
'kwargs': kwargs})
return self.func(target_self, *args, **kwargs)
if item is self._not_cached:
item = self.func(target_self, *args, **kwargs)
target_self._cache.set(key, item)
return item
def dict2tuple(d):
return helpers.dict2tuple(d)
def test_dict(self):
input_dict = {'foo': 'bar', '42': 'baz', 'aaa': 'zzz'}
expected = (('42', 'baz'), ('aaa', 'zzz'), ('foo', 'bar'))
output_tuple = helpers.dict2tuple(input_dict)
self.assertEqual(expected, output_tuple)
def dict2tuple(d):
return helpers.dict2tuple(d)
def test_dict(self):
input_dict = {'foo': 'bar', '42': 'baz', 'aaa': 'zzz'}
expected = (('42', 'baz'), ('aaa', 'zzz'), ('foo', 'bar'))
output_tuple = helpers.dict2tuple(input_dict)
self.assertEqual(expected, output_tuple)