Fixed #34488 -- Made ClearableFileInput preserve "Clear" checked attribute when form is invalid.

2 files changed, 4 insertions, 1 deletions

diff --git a/django/contrib/admin/templates/admin/widgets/clearable_file_input.html b/django/contrib/admin/templates/admin/widgets/clearable_file_input.html
index fe71ebdb06..ab35253a0d 100644
--- a/django/contrib/admin/templates/admin/widgets/clearable_file_input.html
+++ b/django/contrib/admin/templates/admin/widgets/clearable_file_input.html
@@ -1,6 +1,6 @@
 {% if widget.is_initial %}<p class="file-upload">{{ widget.initial_text }}: <a href="{{ widget.value.url }}">{{ widget.value }}</a>{% if not widget.required %}
 <span class="clearable-file-input">
-<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}"{% if widget.attrs.disabled %} disabled{% endif %}>
+<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}"{% include "django/forms/widgets/attrs.html" %}>
 <label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label></span>{% endif %}<br>
 {{ widget.input_text }}:{% endif %}
 <input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% if widget.is_initial %}</p>{% endif %}
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index 3d6091c250..b4a9583364 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -433,6 +433,7 @@ class ClearableFileInput(FileInput):
     initial_text = _("Currently")
     input_text = _("Change")
     template_name = "django/forms/widgets/clearable_file_input.html"
+    checked = False
 
     def clear_checkbox_name(self, name):
         """
@@ -475,10 +476,12 @@ class ClearableFileInput(FileInput):
             }
         )
         context["widget"]["attrs"].setdefault("disabled", False)
+        context["widget"]["attrs"]["checked"] = self.checked
         return context
 
     def value_from_datadict(self, data, files, name):
         upload = super().value_from_datadict(data, files, name)
+        self.checked = self.clear_checkbox_name(name) in data
         if not self.is_required and CheckboxInput().value_from_datadict(
             data, files, self.clear_checkbox_name(name)
         ):