#30520: Extra field of ModelForm without label, raises error in InlineModelAdmin -------------------------------------------+------------------------ Reporter: George Tantiras | Owner: nobody Type: Uncategorized | Status: new Component: Uncategorized | Version: 2.2 Severity: Normal | Keywords: Triage Stage: Unreviewed | Has patch: 0 Needs documentation: 0 | Needs tests: 0 Patch needs improvement: 0 | Easy pickings: 0 UI/UX: 0 | -------------------------------------------+------------------------ As per [https://stackoverflow.com/questions/56156039/extra-field-of- modelform-without-label-does-not-render-in-inlinemodeladmin this] and [https://stackoverflow.com/questions/54511865/django-extra-fields-in- custommodelform-is-giving-unable-to-lookuup-error-i that] S.O. issues, although a ModelForm with an extra field which has no label works at the model's change view, it raises an error when the same ModelForm is used for an inline:
models.py: {{{#!python class Parent(models.Model): pass class Child(models.Model): parent = models.ForeignKey(Parent, on_delete=models.PROTECT) }}} forms.py: {{{#!python class ChildForm(forms.ModelForm): extra_field = forms.CharField() class Meta: model = Child fields = '__all__' }}} admin.py: {{{#!python @admin.register(models.Child) class ChildAdmin(admin.ModelAdmin): '''The ModelForm renders as expected''' form = forms.ChildForm class ChildInline(admin.TabularInline): '''Here the ModelForm without a label in the extra field, will raise error''' model = models.Child form = forms.ChildForm @admin.register(models.Parent) class ParentAdmin(admin.ModelAdmin): inlines = (ChildInline,) }}} {{{#!python File "/home/venv/lined/lib/python3.7/site- packages/django/contrib/admin/utils.py", line 364, in label_for_field raise AttributeError(message) AttributeError: Unable to lookup 'extra_field' on Child or ChildInline }}} Full error message: https://pastebin.com/89MUGchf -- Ticket URL: <https://code.djangoproject.com/ticket/30520> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/051.b8642c864eceb97d6fad1d2df0b24098%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.