Python: function debug decorator

gistfile1.py

def debug(func):
    def wrapped(*args, **kwargs):
        name = '{0}.{1}'.format(
            func.__module__,
            func.func_name
        )
        if args:
            inst = args[0]
            inst_func = getattr(inst, func.func_name, None)
            unwrapped_func = getattr(inst_func, '_original_func', None)
            if unwrapped_func is func:
                name = u'{0}.{1}.{2}'.format(
                    inst.__module__,
                    inst.__class__.__name__,
                    func.func_name
                )
        Logger.debug(u'Debug call: {0}() [args={1}][kwargs={2}]'.format(
            name,
            unicode(args),
            unicode(kwargs)
        ))
        f_result = func(*args, **kwargs)
        Logger.debug(u'Debug return: {0}() [{1}]'.format(
            name,
            unicode(f_result)
        ))
        return f_result
    wrapped._original_func = func
    wrapped.__doc__ = func.__doc__
    return wrapped