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Code Issues 25 Releases Wiki Activity

[4.2.x] Improved formset docs by using a set instead of a list in the custom validation example.

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Backport of c59be9f1da from main
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Luca Allulli 2023-08-24 03:24:43 +02:00 committed by Natalia
parent f55b420277
commit dcb9d7a0e4
1 changed files with 2 additions and 2 deletions
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docs/topics/forms/formsets.txt
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@ -378,14 +378,14 @@ is where you define your own validation that works at the formset level:
... if any(self.errors): ... if any(self.errors):
... # Don't bother validating the formset unless each form is valid on its own ... # Don't bother validating the formset unless each form is valid on its own
... return ... return
... titles = [] ... titles = set()
... for form in self.forms: ... for form in self.forms:
... if self.can_delete and self._should_delete_form(form): ... if self.can_delete and self._should_delete_form(form):
... continue ... continue
... title = form.cleaned_data.get("title") ... title = form.cleaned_data.get("title")
... if title in titles: ... if title in titles:
... raise ValidationError("Articles in a set must have distinct titles.") ... raise ValidationError("Articles in a set must have distinct titles.")
... titles.append(title) ... titles.add(title)
... ...
>>> ArticleFormSet = formset_factory(ArticleForm, formset=BaseArticleFormSet) >>> ArticleFormSet = formset_factory(ArticleForm, formset=BaseArticleFormSet)