Dynamically load submodules (subclass of BaseModule)

load_submodules.py

import pkgutil
from importlib import import_module

# Dynamically load submodules (subclass of BaseModule).
# Ref: https://www.bnmetrics.com/blog/dynamic-import-in-python3

for _, name, _ in pkgutil.iter_modules([MODULES_PATH, PERSONAL_MODULES_PATH]):
    try:
        imported_module = import_module("." + name, package=__name__)
    except ImportError:  # ModuleNotFoundError: python 3.6+
        imported_module = import_module('personal_modules.' + name, package="personal_modules")

    for i in dir(imported_module):
        attribute = getattr(imported_module, i)

        if isinstance(attribute, type) and issubclass(attribute, BaseModule) and attribute != BaseModule:
            setattr(sys.modules[__name__], attribute.__name__, attribute)