from functools import update_wrapper


def decorate_urlpatterns(urlpatterns, decorator):
    """Decorate all the views in the passed urlpatterns list with the given decorator"""
    for pattern in urlpatterns:
        if hasattr(pattern, "url_patterns"):
            # this is an included RegexURLResolver; recursively decorate the views
            # contained in it
            decorate_urlpatterns(pattern.url_patterns, decorator)

        if getattr(pattern, "callback", None):
            pattern.callback = update_wrapper(
                decorator(pattern.callback), pattern.callback
            )

    return urlpatterns