human
Complete this python program:
def handleAttributes(text, parent):
assistant
#Here is the Python code you requested.

    """Set values of an element based on attribute definitions ({@id=123}).
    """
    def attributeCallback(match):
        parent.set(match.group(1), match.group(2).replace('\n', '    '))
    return ATTR_RE.sub(attributeCallback, text)