Yes, it is Issue # 280 only. I have added a comment there. Thanks
On Nov 15, 3:22 am, Marzia Niccolai <[EMAIL PROTECTED]> wrote:
> Hi,
>
> This looks to be issue
> 280:http://code.google.com/p/googleappengine/issues/detail?id=280
>
> -Marzia
>
> On Fri, Nov 14, 2008 at 11:44 AM, pran__ <[EMAIL PROTECTED]> wrote:
>
> > I was trying with a visitor fedback form and i got a TypeError in the
> > admin console, while trying to view an entity. This is not the full
> > story. Initially my 'Visitor' class did not had any required fields.
> > And there was some data in the Visitor Entity Kind. Later, i added the
> > required=True, and put() some values. Now, when trying to view
> > entities which i put() later, created this error.
> > I deleted all the data corresponding to Visitor, and then again i put
> > () some of them. Now it is working fine. There seems to be some kind
> > of unhandled issue.
> > Please advise.
>
> > The traceback is as follows
>
> > ##
> > Traceback (most recent call last):
> > File "/home/pranav/google_appengine/google/appengine/ext/webapp/
> > __init__.py", line 499, in __call__
> > handler.get(*groups)
> > File "/home/pranav/google_appengine/google/appengine/ext/admin/
> > __init__.py", line 672, in get
> > field = data_type.input_field(name, value, sample_values)
> > File "/home/pranav/google_appengine/google/appengine/ext/admin/
> > __init__.py", line 774, in input_field
> > if len(sample_value) > 255 or sample_value.find('\n') >= 0:
> > TypeError: object of type 'NoneType' has no len()
> > ##
>
> > My Model is as follows
>
> > class Visitor(db.Model):
> > "This is only for visitors who want to comment"
> > name = db.StringProperty(required=True)
> > email = db.EmailProperty(required=True)
> > comment = db.TextProperty(required=True)
> > notifications = db.BooleanProperty()
> > date = db.DateTimeProperty(auto_now_add=True)
>
> > class VisitorForm(djangoforms.ModelForm):
> > class Meta:
> > model = Visitor
>
> > And the entity is just saved had following information:
>
> > Key :: Some Value
> > Id :: Some Value
> > Key Name ::
> > comment :: Hmmm..
> > email :: [EMAIL PROTECTED]
> > name :: Larry Page
> > notifications :: False
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