__init__.py 文件源码

def load_policy_modules():
    """Load all modules that contain policies.

    Method iterates over modules of :py:mod:`monasca_events_api.policies`
    and imports only those that contain following methods:

    - list_rules

    """
    for modname in _list_module_names():
        mod = importutils.import_module(_BASE_MOD_PATH + modname)
        if hasattr(mod, 'list_rules'):
            yield mod