form.py 文件源码

def _render_option(self, arg, indent='  '):
        if isinstance(arg, (tuple, list)):
            value, desc= arg
        else:
            value, desc = arg, arg 

        if self.value == value or (isinstance(self.value, list) and value in self.value):
            select_p = ' selected="selected"'
        else:
            select_p = ''
        return indent + '<option%s value="%s">%s</option>\n' % (select_p, net.websafe(value), net.websafe(desc))