Dynamically load all Python submodules

import_submodules.py

import pkgutil, importlib, sklearn, sys


def import_submodules(package_name):
    """ Import all submodules of a module, recursively

    :param package_name: Package name
    :type package_name: str
    :rtype: dict[types.ModuleType]
    """
    package = sys.modules[package_name]
    modules = {}

    for loader, name, is_pkg in pkgutil.walk_packages(package.__path__):
        try:
            modules[name] = importlib.import_module(package_name + '.' + name)
        except ModuleNotFoundError:
            continue
    return modules