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Diffstat (limited to 'docs/topics/forms')
| -rw-r--r-- | docs/topics/forms/formsets.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/topics/forms/formsets.txt b/docs/topics/forms/formsets.txt index a1e30b341b..b7f0317875 100644 --- a/docs/topics/forms/formsets.txt +++ b/docs/topics/forms/formsets.txt @@ -523,6 +523,18 @@ model instances for deleted forms will be deleted when you call >>> for obj in formset.deleted_objects: ... obj.delete() + If you want to maintain backwards compatibility with Django 1.6 and earlier, + you can do something like this:: + + >>> try: + >>> # For Django 1.7+ + >>> for obj in formset.deleted_objects: + >>> obj.delete() + >>> except AssertionError: + >>> # Django 1.6 and earlier already deletes the objects, trying to + >>> # delete them a second time raises an AssertionError. + >>> pass + On the other hand, if you are using a plain ``FormSet``, it's up to you to handle ``formset.deleted_forms``, perhaps in your formset's ``save()`` method, as there's no general notion of what it means to delete a form. |