def _make_key_for_func(key_args, func_args, func_kwargs, namespace=None,
skip_prefix=False):
'''
Returns the cache key to use for the decorated function. Calls and replaces
any callable items in `key_args` with their return values before sending
`key_args` over to `make_key`. Does the same for a callable `namespace`.
'''
def call_if_callable(obj):
if callable(obj):
return obj(*func_args, **func_kwargs)
return obj
key_args = call_if_callable(key_args)
key_args = map(call_if_callable, key_arg_iterator(key_args))
return make_key(key_args, namespace=namespace, skip_prefix=skip_prefix)
def _make_key_for_func(key_args,
func_args,
func_kwargs,
namespace=None,
skip_prefix=False):
'''
Returns the cache key to use for the decorated function. Calls and replaces
any callable items in `key_args` with their return values before sending
`key_args` over to `make_key`. Does the same for a callable `namespace`.
'''
def call_if_callable(obj):
if callable(obj):
return obj(*func_args, **func_kwargs)
return obj
key_args = call_if_callable(key_args)
key_args = map(call_if_callable, key_arg_iterator(key_args))
return make_key(key_args, namespace=namespace, skip_prefix=skip_prefix)
def invalidate_user_comments(comment):
#TODO make django-cachecow namespaces dynamic, and then we can key it off the user ID and wipe it all in
# one go instead of deleting individual keys.
author = comment.author
pages = int(math.ceil(QuestComment.all_objects.filter(author=author).count() / float(knobs.COMMENTS_PER_PAGE)))
for page in range(1, pages + 1) + ['top', None]:
for viewer_is_author in [True, False]:
for endpoint_key in ['user_comments']:
key_args = [
endpoint_key,
_USER_COMMENTS_CACHE_VERSION,
author.username,
viewer_is_author,
]
if page is not None:
key_args.append(page)
key = make_key(key_args)
cache.delete(key)
def test_long_key(self):
args = range(2000)
key = make_key(args)
self.assertTrue(len(key) <= 250)
self.assertTrue('1.2.3.4.5.6.7.8.9.10' not in key, 'key is not hashed')
def test_no_brackets_in_list_key(self):
key = make_key([1, 2, 3, 4])
self.assertTrue('[' not in key and ']' not in key)
def test_unicode_obj_key(self):
args = [u'foo', 'bar', u'baz']
key = make_key(args)
for arg in args:
self.assertTrue(arg in key)
def test_short_key(self):
args = ['foo', 'bar', 'b1z', 'qu ux']
key = make_key(args)
for arg in args:
self.assertTrue(arg.replace(' ', '') in key)
def test_long_key(self):
args = range(2000)
key = make_key(args)
self.assertTrue(len(key) <= 250)
self.assertTrue('1.2.3.4.5.6.7.8.9.10' not in key, 'key is not hashed')
def test_no_brackets_in_list_key(self):
key = make_key([1,2,3,4])
self.assertTrue('[' not in key and ']' not in key)
def test_unicode_obj_key(self):
args = [u'foo', 'bar', u'baz']
key = make_key(args)
for arg in args:
self.assertTrue(arg in key)
def test_short_key(self):
args = ['foo', 'bar', 'b1z', 'qu ux']
key = make_key(args)
for arg in args:
self.assertTrue(arg.replace(' ', '') in key)
