print directory tree if rm -rf failed

    2023-12-10, Bo Zhang, update Pipeline

    2023-12-15, Bo Zhang, add module header

"""

import json

import subprocess

import os

from .status import CsstStatus, CsstResult

def print_directory_tree(directory="."):

    for root, dirs, files in os.walk(directory):

        level = root.replace(directory, "").count(os.sep)

        indent = " " * 4 * (level)

        print(f"{indent}{os.path.basename(root)}/")

        subindent = " " * 4 * (level + 1)

        for file in files:

            print(f"{subindent}{file}")

class Pipeline:

    """

    CSST pipeline configuration class.

    def clean_directory(d):

        """Clean a directory."""

        print(f"Clean output directory '{d}'...")

        try:

            r = subprocess.run(f"rm -rf {d}/*", shell=True, capture_output=True)

            print("> ", r)

            r.check_returncode()

        except:

            print("Failed to clean output directory!")

            print_directory_tree(d)

    def now(self):

        """Return ISOT format datetime using `astropy`."""