Fixed #30422 -- Made TemporaryFileUploadHandler handle interrupted uploads.

This patch allows upload handlers to handle interrupted uploads.

Co-Authored-By: Mariusz Felisiak <felisiak.mariusz@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/django/core/files/uploadhandler.py b/django/core/files/uploadhandler.py
index 613983581c..ee6bb31fce 100644
--- a/django/core/files/uploadhandler.py
+++ b/django/core/files/uploadhandler.py
@@ -1,7 +1,7 @@
 """
 Base file upload handler classes, and the built-in concrete subclasses
 """
-
+import os
 from io import BytesIO
 
 from django.conf import settings
@@ -127,6 +127,13 @@ class FileUploadHandler:
         """
         pass
 
+    def upload_interrupted(self):
+        """
+        Signal that the upload was interrupted. Subclasses should perform
+        cleanup that is necessary for this handler.
+        """
+        pass
+
 
 class TemporaryFileUploadHandler(FileUploadHandler):
     """
@@ -147,6 +154,15 @@ class TemporaryFileUploadHandler(FileUploadHandler):
         self.file.size = file_size
         return self.file
 
+    def upload_interrupted(self):
+        if hasattr(self, 'file'):
+            temp_location = self.file.temporary_file_path()
+            try:
+                self.file.close()
+                os.remove(temp_location)
+            except FileNotFoundError:
+                pass
+
 
 class MemoryFileUploadHandler(FileUploadHandler):
     """