Fixed #26607 -- Allowed customizing formset kwargs with ModelAdmin.get_formset_kwargs().

Thanks Nick Pope for reviews.

2 files changed, 19 insertions, 0 deletions

diff --git a/docs/ref/contrib/admin/index.txt b/docs/ref/contrib/admin/index.txt
index 1fd5d0f60a..5b3493c858 100644
--- a/docs/ref/contrib/admin/index.txt
+++ b/docs/ref/contrib/admin/index.txt
@@ -2088,6 +2088,22 @@ templates used by the :class:`ModelAdmin` views:
     ``obj_id`` is the serialized identifier used to retrieve the object to be
     deleted.
 
+.. method:: ModelAdmin.get_formset_kwargs(request, obj, inline, prefix)
+
+    .. versionadded:: 4.0
+
+    A hook for customizing the keyword arguments passed to the constructor of a
+    formset. For example, to pass ``request`` to formset forms::
+
+        class MyModelAdmin(admin.ModelAdmin):
+            def get_formset_kwargs(self, request, obj, inline, prefix):
+                return {
+                    **super().get_formset_kwargs(request, obj, inline, prefix),
+                    'form_kwargs': {'request': request},
+                }
+
+    You can also used it to set ``initial`` for formset forms.
+
 .. method:: ModelAdmin.get_changeform_initial_data(request)
 
     A hook for the initial data on admin change forms. By default, fields are
diff --git a/docs/releases/4.0.txt b/docs/releases/4.0.txt
index 1339b88f24..f1a25d0d92 100644
--- a/docs/releases/4.0.txt
+++ b/docs/releases/4.0.txt
@@ -37,6 +37,9 @@ Minor features
 * The ``admin/base.html`` template now has a new block ``header`` which
   contains the admin site header.
 
+* The new :meth:`.ModelAdmin.get_formset_kwargs` method allows customizing the
+  keyword arguments passed to the constructor of a formset.
+
 :mod:`django.contrib.admindocs`
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