kopia lustrzana https://github.com/wagtail/wagtail
Fix check for duplicate FormField.clean_names
WagtailAdminFormPageForm.clean checks for duplicate fields by generating a clean_name from a FormField's current label, catching duplicate labels. However, once saved, a FormField's clean_name cannot change. It's possible for clean_names to clash if a a field is renamed and add a new field with the same name. Updated duplicate check to take existing clean_name into account. Refactored logic to avoid nested loops.pull/9284/head
rodzic
eb981b4896
commit
dbe87bdc5d
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@ -51,6 +51,7 @@ Changelog
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* Fix: Ensure `for_user` argument is passed to the form class when previewing pages (Matt Westcott)
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* Fix: Ensure the capitalisation of the `timesince_simple` tag is consistently added in the template based on usage in context (Stefan Hammer)
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* Fix: Add missing translation usage for the `timesince_last_update` and ensure the translated labels can be easier to work with in Transifex (Stefan Hammer)
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* Fix: Add additional checks for duplicate form field `clean_name` values in the Form Builder validation and increase performance of checks (Dan Bentley)
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4.0.3 (xx.xx.xxxx) - IN DEVELOPMENT
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~~~~~~~~~~~~~~~~~~
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@ -76,6 +76,7 @@ This feature was developed by Karl Hobley and Matt Westcott.
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* Ensure `for_user` argument is passed to the form class when previewing pages (Matt Westcott)
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* Ensure the capitalisation of the `timesince_simple` tag is consistently added in the template based on usage in context (Stefan Hammer)
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* Add missing translation usage for the `timesince_last_update` and ensure the translated labels can be easier to work with in Transifex (Stefan Hammer)
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* Add additional checks for duplicate form field `clean_name` values in the Form Builder validation and increase performance of checks (Dan Bentley)
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## Upgrade considerations
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@ -174,29 +174,35 @@ class SelectDateForm(django.forms.Form):
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class WagtailAdminFormPageForm(WagtailAdminPageForm):
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def clean(self):
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super().clean()
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# Check for dupe form field labels - fixes #585
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# Check for duplicate form fields by comparing their internal clean_names
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if "form_fields" in self.formsets:
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_forms = self.formsets["form_fields"].forms
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for f in _forms:
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f.is_valid()
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forms = self.formsets["form_fields"].forms
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for form in forms:
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form.is_valid()
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for i, form in enumerate(_forms):
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if "label" in form.changed_data:
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label = form.cleaned_data.get("label")
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clean_name = form.instance.get_field_clean_name()
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for idx, ff in enumerate(_forms):
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# Exclude self
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ff_clean_name = ff.instance.get_field_clean_name()
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if idx != i and clean_name == ff_clean_name:
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form.add_error(
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"label",
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django.forms.ValidationError(
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_(
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"There is another field with the label %s, please change one of them."
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)
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% label
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),
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)
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# Use existing clean_name or generate for new fields.
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# clean_name is set in FormField.save
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clean_names = [
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f.instance.clean_name or f.instance.get_field_clean_name()
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for f in forms
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]
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duplicate_clean_name = next(
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(n for n in clean_names if clean_names.count(n) > 1), None
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)
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if duplicate_clean_name:
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duplicate_form_field = next(
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f
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for f in self.formsets["form_fields"].forms
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if f.instance.get_field_clean_name() == duplicate_clean_name
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)
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duplicate_form_field.add_error(
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"label",
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django.forms.ValidationError(
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_(
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"There is another field with the label %s, please change one of them."
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% duplicate_form_field.instance.label
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)
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),
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)
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@ -29,6 +29,7 @@ from wagtail.test.testapp.models import (
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FormPageWithCustomSubmissionListView,
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)
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from wagtail.test.utils import WagtailTestUtils
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from wagtail.test.utils.form_data import inline_formset, nested_form_data
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class TestFormResponsesPanel(TestCase):
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@ -1735,6 +1736,46 @@ class TestDuplicateFormFieldLabels(TestCase, WagtailTestUtils):
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text="There is another field with the label duplicate 1, please change one of them.",
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)
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def test_rename_existing_field_and_add_new_field_with_clashing_clean_name(
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self,
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):
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"""Ensure duplicate field names are checked against existing field clean_names."""
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form_page = FormPage(
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title="Form page!",
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form_fields=[FormField(label="Test field", field_type="singleline")],
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)
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self.root_page.add_child(instance=form_page)
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# Rename existing field and add new field with label matching original field
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post_data = nested_form_data(
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{
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"title": "Form page!",
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"slug": "form-page",
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"form_fields": inline_formset(
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[
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{
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"id": form_page.form_fields.first().pk,
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"label": "Other field",
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"field_type": "singleline",
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},
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{"id": "", "label": "Test field", "field_type": "singleline"},
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],
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initial=1,
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),
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"action-publish": "action-publish",
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}
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)
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response = self.client.post(
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reverse("wagtailadmin_pages:edit", args=[form_page.pk]), post_data
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)
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self.assertEqual(response.status_code, 200)
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self.assertContains(
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response,
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text="There is another field with the label Test field, please change one of them.",
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)
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class TestPreview(TestCase, WagtailTestUtils):
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