# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: MIT-0
"""Provides utilities for SageMaker Pipeline CLI."""
from __future__ import absolute_import

import ast


def get_pipeline_driver(module_name, passed_args=None):
    """Gets the driver for generating your pipeline definition.

    Pipeline modules must define a get_pipeline() module-level method.

    Args:
        module_name: The module name of your pipeline.
        passed_args: Optional passed arguments that your pipeline may be templated by.

    Returns:
        The SageMaker Workflow pipeline.
    """
    _imports = __import__(module_name, fromlist=["get_pipeline"])
    kwargs = convert_struct(passed_args)
    return _imports.get_pipeline(**kwargs)


def convert_struct(str_struct=None):
    return ast.literal_eval(str_struct) if str_struct else {}