oo_filters.py 文件源码

def oo_select_keys(data, keys):
        """ This returns a list, which contains the value portions for the keys
            Ex: data = { 'a':1, 'b':2, 'c':3 }
                keys = ['a', 'c']
                returns [1, 3]
        """

        if not isinstance(data, Mapping):
            raise errors.AnsibleFilterError("|failed expects to filter on a dict or object")

        if not isinstance(keys, list):
            raise errors.AnsibleFilterError("|failed expects first param is a list")

        # Gather up the values for the list of keys passed in
        retval = [data[key] for key in keys if key in data]

        return retval