traverse modules and objects in python

traverse.py

import sys
import pkgutil
import importlib
from .base import BaseCommand, CommandExecutor

def discover_commands():
    executor = CommandExecutor()

    current_module = sys.modules[__name__]
    __path__ = pkgutil.extend_path(current_module.__path__, __name__)

    for importer, modname, ispkg in pkgutil.walk_packages(path=__path__, prefix=__name__+'.'):
        mod = importlib.import_module(modname)
        for name, clazz in mod.__dict__.items():
            if type(clazz) == type and issubclass(clazz, BaseCommand) and clazz != BaseCommand:
                executor.add_command(clazz)

    print(executor.command_map)

    return executor