如何解决BadValueError：即使已经设置了xxxx属性，还是需要属性xxxx？ Google App引擎
| 这是我的模型：from google.appengine.ext import db
from google.appengine.ext.db import polymodel
class Item(polymodel.PolyModel):
title = db.StringProperty(required=True)
summary = db.StringProperty(required=True)
content = db.TextProperty(required=True)
createDate = db.DateTimeProperty(auto_now_add=True)
class Article(Item):
author = db.StringProperty()
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
import models.model
class Test(webapp.RequestHandler):
def get(self):
create(100)
self.response.headers[\'Content-Type\'] = \'text/plain\'
self.response.out.write(\'Test\')
self.response.out.write(\'<p>Created\')
app = webapp.WSGIApplication([(\'/test/*\',Test)],debug=True)
def create(count):
for i in range(0,count,1):
article = models.model.Article()
article.title = \"Test title \" + str(i)
article.author = \"wliao\"
article.summary = \"this is a test \" + str(i)
article.content = \"this is the content of the article\"
article.put()
def main():
run_wsgi_app(app)
if __name__ == \"__main__\":
main()
解决方法
从文档：
因为验证发生在
实例被构造，任何属性
必须配置为必须
在构造函数中初始化。
所以：
title = \"Test title \" + str(i)
author = \"wliao\"
summary = \"this is a test \" + str(i)
content = \"this is the content of the article\"
article = models.model.Article(title=title,author=author,summary=summary,content=content)
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