Decorator to memoize functions results using Google App Engine current instance memory (cachepy) and memcache. Support any pickable arguments and function returns.

Optional Decorator Args:

• time - duration before cache is refreshed
• ignore_args - sequence numbers (0, 1, 3...) of decorated funcion args to be ignored
• force_cache - forces caching on dev_server (useful for APIs, etc.)
• version_aware - ignores cache values from a different app version

Optional Decorated Function Args:

• _force_run - forces caching

Usage:

@memoize(86400) #or memoize()
def updateAllEntities(key_name, params):
    entity = Model.get_by_key_name(key_name)
    for param in params.items():
        setattr(entity, param.key(), param.value())
    db.put(entity)