Python charmhelpers.core.hookenv 模块，cache() 实例源码

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset @cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset @cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset @cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def tearDown(self):
        # Reset cached cache
        hookenv.cache = {}

def _clean_globals():
    hookenv.cache.clear()
    del hookenv._atstart[:]
    del hookenv._atexit[:]

def test_relation_set_flushes_local_unit_cache(self, check_output,
                                                   check_call, local_unit):
        check_output.return_value = json.dumps('BAR').encode('UTF-8')
        local_unit.return_value = 'baz_unit'
        hookenv.relation_get(attribute='baz_scope', unit='baz_unit')
        hookenv.relation_get(attribute='bar_scope')
        self.assertTrue(len(hookenv.cache) == 2)
        check_output.return_value = ""
        hookenv.relation_set(baz_scope='hello')
        # relation_set should flush any entries for local_unit
        self.assertTrue(len(hookenv.cache) == 1)