dump_logging_tree.py

import logging

def dump_logging_tree():
    root = logging.getLogger()
    loggers = logging.root.manager.loggerDict

    print('Logging hierarchy:')

    def walk(logger, indent=0):
        handlers = [type(h).__name__ for h in logger.handlers]
        print(
            ' ' * indent
            + f'- {logger.name or "root"} '
              f'(level={logging.getLevelName(logger.level)}, '
              f'propagate={logger.propagate}, '
              f'handlers={handlers})'
        )

        for name, obj in loggers.items():
            if isinstance(obj, logging.Logger) and obj.parent is logger:
                walk(obj, indent + 2)

    walk(root)