Lists all functions and classes from a loaded module

modules.py

import pkgutil
import inspect


def members(module, predicate=None):
    """Yields all functions and classes of a module if predicate=None"""
    def func_or_class(obj):
        """Inspects an object if it is a function or a class (=True),
        otherwise False
        """
        return inspect.isfunction(obj) or inspect.isclass(obj)

    predicate = func_or_class if predicate is None else predicate
    for _, func, in inspect.getmembers(module, predicate):
        if func.__module__ == module.__name__:
            yield func


def submodules(module, predicate=None):
    """Yields recursively sub module names from a given module

      :param module: the given module; or, if you have only the name, use
                     sys.modules[NAME]
      :type module: :class:`module`
    """
    prefix = module.__name__ + "."
    for importer, modname, ispkg in pkgutil.iter_modules(module.__path__, prefix):
        module = importer.find_module(modname).load_module(modname)
        yield from members(module, predicate)
        if ispkg:
            submodules(module, predicate)
        del module


if __name__ == "__main__":
    import ctypes
    print(list(submodules(ctypes)))