get_class_from_module.py

import sys
import inspect

def get_class_from_module(module_name):
    __import__(module_name)
    # Predicate to make sure the classes only come from the module in question
    def predicate(member):
        return inspect.isclass(member) and member.__module__.startswith(module_name)
    # fetch all members of module name matching 'pred'
    classes = inspect.getmembers(sys.modules[module_name], predicate)
    # getmembers returns a list of (name, value)
    return [name_value[0] for name_value in classes]

robots_class_name = get_class_from_module("morse.builder.robots")
sensors_class_name = get_class_from_module("morse.builder.sensors")
actuators_class_name = get_class_from_module("morse.builder.actuators")