def _set_attributes(self, kwds):
cls = self.__class__<EOL>for name, value in kwds.iteritems():<EOL><INDENT>prop = getattr(cls, name)  <EOL>if not isinstance(prop, Property):<EOL><INDENT>raise TypeError('<STR_LIT>' % name)<EOL><DEDENT>prop._set_value(self, value)<EOL><DEDENT>
Internal helper to set attributes from keyword arguments.

        Expando overrides this.