Find all submodules given a module root name

submodules.py

def get_modules(name):
    """
    Get a list of all submodules given a module root name.
    """
    from pkgutil import walk_packages
    module = __import__(name)
    # Handle modules installed in top-level
    if not hasattr(module, '__path__'):
        return [(name, False)]
    submodules = [(name, True)]
    for _, name, ispkg in walk_packages(
            path=module.__path__, prefix=module.__name__ + '.'):
        submodules.append((name, ispkg))
    return submodules