__init__.py 文件源码

def gen_operators_of_field(f_name, mongo_field, r_graphene, operators_list):
    """ Return a dict with keys as the name of the field with operator and value is the required type, for instance: 
    @param f_name: string name of the field
    @param mongo_field: object instance of mongoengine field, e.g: mongoengine.StringField()
    @param r_graphene: object instance of graphene field, e.g: graphene.String(): 
    {
        name: graphene.String()
        name__nin: graphene.List(graphene.String) ...
    }
     """

    field_with_operators = {
        f_name: field_to_id(mongo_field, r_graphene)
    }

    for op_name in operators_list:
        field_with_operators[f_name + '__' + op_name] = operators[op_name](mongo_field, r_graphene)

    if isinstance(mongo_field, fields_string_operators):
        for op in string_operators:
            field_with_operators[f_name + '__' + op] = graphene.String()

    return field_with_operators