myapp.py
from cement import App
from cement.utils.misc import init_defaults
​
CONFIG = init_defaults('myapp', 'cache.memcached')
CONFIG['cache.memcached']['expire_time'] = 300 # seconds
CONFIG['cache.memcached']['hosts'] = ['127.0.0.1']
​
class MyApp(App):
    class Meta:
        label = 'myapp'
        config_defaults = CONFIG
        extensions = ['memcached']
        cache_handler = 'memcached'
​
with MyApp() as app:
    # Run the app
    app.run()
​
    # Set a cached value
    app.cache.set('my_key', 'my value')
​
    # Get a cached value
    app.cache.get('my_key')
​
    # Delete a cached value
    app.cache.delete('my_key')
​
    # Delete the entire cache
    app.cache.purge()

~/.myapp.conf
[myapp]
​
# set the cache handler to use
cache_handler = memcached
​
​
[cache.memcached]
​
# time in seconds that an item in the cache will expire
expire_time = 3600
​
# comma seperated list of memcached servers
hosts = 127.0.0.1, cache.example.com