def leaf(self, parent, parts):
        """
        Find the leaf.
        @param parts: A list of path parts.
        @type parts: [str,..]
        @param parent: The leaf's parent.
        @type parent: L{xsd.sxbase.SchemaObject}
        @return: The leaf.
        @rtype: L{xsd.sxbase.SchemaObject}
        """
        name = splitPrefix(parts[-1])[1]
        if name.startswith('@'):
            result, path = parent.get_attribute(name[1:])
        else:
            result, ancestry = parent.get_child(name)
        if result is None:
            raise PathResolver.BadPath(name)
        return result
Find the leaf.
        @param parts: A list of path parts.
        @type parts: [str,..]
        @param parent: The leaf's parent.
        @type parent: L{xsd.sxbase.SchemaObject}
        @return: The leaf.
        @rtype: L{xsd.sxbase.SchemaObject}