__qualname__

qualname.py

# http://www.python.org/dev/peps/pep-0395/

if sys.version_info >= (3, 3):
    def qualname(obj):
        if not hasattr(obj, '__name__') and hasattr(obj, '__class__'):
            return qualname(obj.__class__)
        return '.'.join((obj.__module__,
                        getattr(obj, '__qualname__', None) or obj.__name__))
else:
    def qualname(obj):
        if not hasattr(obj, '__name__') and hasattr(obj, '__class__'):
            return qualname(obj.__class__)
        return '.'.join((obj.__module__, obj.__name__))