python 获取项目根路径

import os


def get_project_path(project_name=None):
    """
    获取当前项目根路径
    :param project_name:
    :return: 根路径
    """
    PROJECT_NAME = 'selenium_project' if project_name is None else project_name
    project_path = os.path.abspath(os.path.dirname(__file__))
    root_path = project_path[:project_path.find("{}\\".format(PROJECT_NAME)) + len("{}\\".format(PROJECT_NAME))]
    # print('当前项目名称：{}\r\n当前项目根路径：{}'.format(PROJECT_NAME, root_path))
    return root_path


if __name__ == '__main__':
    print(get_project_path())