On Jan 3, 7:54 pm, GoSantoni <mj.schuur...@gmail.com> wrote:
> Hi group,
>
> I've been using the django project docs about the ModelForm but still
> I've got problems using the ModelMultipleChoiceField for a
> ManyToManyField relation. The aim is to relate Images to blog Posts.
> So images can get attached to multiple posts and posts can be attached
> to multiple images. I'd like to use this relation to render the list
> of Image titels in a the BlogForm to attach an image to a new post.
>
<snip apparently irrelevant model>
>
> ******************** forms.py in blog app for adding a new post
> *********************
> class BlogForm(forms.ModelForm):
>
> slug = forms.SlugField(max_length=20,
> help_text = _("a short version of the title consisting only of
> letters, numbers, underscores and hyphens."),
> error_message = _("This value must contain only letters,
> numbers, underscores and hyphens."))
>
> class Meta:
>
> model = Post
> exclude = ('author', 'creator_ip', 'created_at', 'updated_at',
> 'publish')
> imagepost = forms.ModelMultipleChoiceField
> (queryset=ImageModel.objects.all())
>
> def __init__(self, user=None, *args, **kwargs):
> self.user = user
> super(BlogForm, self).__init__(*args, **kwargs)
> self.fields["imagepost"].queryset = ImageModel.objects.all()
>
> Despite the existence of images it keeps on running in a KeyError. It
> fails to render the titles..
> Anybody ideas?
> Thanks
Why have you put the 'imagepost' declaration under Meta, when all the
other field declarations are at the class level? They should all be at
the class level.
--
DR.
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