Opened 6 years ago

Last modified 4 years ago

#29682 closed Bug

Admin change form crashes if a view-only model's form has field not on the model — at Version 1

Reported by: Jones Owned by: nobody
Component: contrib.admin Version: 2.1
Severity: Release blocker Keywords:
Cc: Triage Stage: Accepted
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Tim Graham)

Viewing an existing view-only object crashes with:

AttributeError at /admin/t29682/modela/1/change/
Unable to lookup 'form_field' on ModelA or ModelAAdmin

class ModelAForm(forms.ModelForm):

    class Meta:
        model = ModelA
        fields = '__all__'

    form_field = forms.BooleanField(
        label="Form Field",
        required=False,
        widget=forms.CheckboxInput()
    )


class ModelA(models.Model):
    test = models.IntegerField(
        null=True,
        blank=True
    )

@admin.register(ModelA)
class ModelAAdmin(admin.ModelAdmin):

    form = ModelAForm

    fieldsets = (
        ('Test', {
            'fields': (
                'test', 'form_field'
            )
        }),
    )

Change History (1)

comment:1 by Tim Graham, 6 years ago

Component: Forms → contrib.admin
Description: modified (diff)
Severity: Normal → Release blocker
Summary: Error in view permission with custom model form field → Admin change form crashes if a view-only model's form has field not on the model
Triage Stage: Unreviewed → Accepted
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