form.py 文件源码

def render(self):
        attrs = self.attrs.copy()
        attrs['name'] = self.name

        x = '<select %s>\n' % attrs

        for arg in self.args:
            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 = ''
            x += '  <option%s value="%s">%s</option>\n' % (select_p, net.websafe(value), net.websafe(desc))

        x += '</select>\n'
        return x