"""
提供统一绝对路径
"""
import os


def get_project_root():
    """获取工程根目录"""
    cur_file = os.path.abspath(__file__)
    cur_dir = os.path.dirname(cur_file)
    proj_dir = os.path.dirname(cur_dir)
    return proj_dir


def get_abs_path(relative_path):
    """获取相对目录"""
    proj_dir = get_project_root()
    abs_path = os.path.join(proj_dir, relative_path)
    return abs_path


if __name__ == '__main__':
    print(get_abs_path('config/config.txt'))