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如何限制在google-app-engine上的特定列表中写入字符串

[英]how to confine to write a string in specific list ,on google-app-engine

 原文  2010-06-09 08:46:27  0   1    python/ string/ google-app-engine/ properties/ option

问题描述

class FirstModel(db.Model):
    p = db.StringProperty({option:['aa','bb','cc']})

The error is : 错误是： 

NameError: name 'option' is not defined

What should I do? 我该怎么办？

1 个解决方案

解决方案1
 3 已采纳  2010-06-09 08:52:05

您应该使用： 

p = db.StringProperty(choices=set(["aa", "bb", "cc"]))

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