Re: Inline Form Error After Upgrade to Django 1.3

[Chris Spencer]

Awesome, that was it. My old code now works again. Thanks!

Chris

On Mon, Apr 18, 2011 at 5:47 PM, akaariai  wrote:

> On Apr 19, 12:17 am, Chris Spencer  wrote:
> > Thanks. However, changing the line to:
> >
> > if not self.instance.state.adding:
> >
> > results in essentially the same error:
> >
> > AttributeError: 'MyModel' object has no attribute 'state'
>
> Doh, that should of course be ._state. Sorry for the mistake.
>
>  - Anssi
>
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Re: Inline Form Error After Upgrade to Django 1.3

[akaariai]

On Apr 19, 12:17 am, Chris Spencer  wrote:
> Thanks. However, changing the line to:
>
>     if not self.instance.state.adding:
>
> results in essentially the same error:
>
> AttributeError: 'MyModel' object has no attribute 'state'

Doh, that should of course be ._state. Sorry for the mistake.

 - Anssi

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Re: Inline Form Error After Upgrade to Django 1.3

[Chris Spencer]

Thanks. However, changing the line to:

if not self.instance.state.adding:

results in essentially the same error:

AttributeError: 'MyModel' object has no attribute 'state'

On Mon, Apr 18, 2011 at 4:48 PM, akaariai  wrote:

> On Apr 18, 11:08 pm, Chris  wrote:
> > I have an inline form used in my admin that looks up the value for the
> > associated model, and dynamically selects the form field widget that's
> > appropriate for the data. The class looks like:
> >
> > class MyModelInlineForm(ModelForm):
> > attribute_model = ModelChoiceField(queryset=None)
> > def __init__(self,*args,**kwargs):
> > ...do stuff...
> >
> > if not self.instance._adding:
> > attribute = self.instance.attribute_model
> > self.fields['value'] =
> > get_form_field_for_attribute(attribute, self.instance)
> >
> > However, after upgrading to Django 1.3 from 1.2.3, viewing any admin
> > pages using this form throws the exception:
> >
> > AttributeError: 'MyModel' object has no attribute '_adding'
> >
> > I can't find any documentation on the instance._adding attribute, or
> > how it would have changed since 1.2.3. I've been digging through the
> > code, but I'm quite stuck. How do I resolve this?
>
> If I am not mistaken this attribute has been moved: instance._adding -
> > instance.state.adding. See django/db/models/base.py ModelState class
> and Model.__init__ method.
>
>  - Anssi
>
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>

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Re: Inline Form Error After Upgrade to Django 1.3

[akaariai]

On Apr 18, 11:08 pm, Chris  wrote:
> I have an inline form used in my admin that looks up the value for the
> associated model, and dynamically selects the form field widget that's
> appropriate for the data. The class looks like:
>
> class MyModelInlineForm(ModelForm):
>     attribute_model = ModelChoiceField(queryset=None)
>     def __init__(self,*args,**kwargs):
>         ...do stuff...
>
>         if not self.instance._adding:
>             attribute = self.instance.attribute_model
>             self.fields['value'] =
> get_form_field_for_attribute(attribute, self.instance)
>
> However, after upgrading to Django 1.3 from 1.2.3, viewing any admin
> pages using this form throws the exception:
>
> AttributeError: 'MyModel' object has no attribute '_adding'
>
> I can't find any documentation on the instance._adding attribute, or
> how it would have changed since 1.2.3. I've been digging through the
> code, but I'm quite stuck. How do I resolve this?

If I am not mistaken this attribute has been moved: instance._adding -
> instance.state.adding. See django/db/models/base.py ModelState class
and Model.__init__ method.

 - Anssi

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Inline Form Error After Upgrade to Django 1.3

[Chris]

I have an inline form used in my admin that looks up the value for the
associated model, and dynamically selects the form field widget that's
appropriate for the data. The class looks like:

class MyModelInlineForm(ModelForm):
attribute_model = ModelChoiceField(queryset=None)
def __init__(self,*args,**kwargs):
...do stuff...

if not self.instance._adding:
attribute = self.instance.attribute_model
self.fields['value'] =
get_form_field_for_attribute(attribute, self.instance)

However, after upgrading to Django 1.3 from 1.2.3, viewing any admin
pages using this form throws the exception:

AttributeError: 'MyModel' object has no attribute '_adding'

I can't find any documentation on the instance._adding attribute, or
how it would have changed since 1.2.3. I've been digging through the
code, but I'm quite stuck. How do I resolve this?

Regards,
Chris

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