Added temporary storage via settings flag

README.rst

@@ -112,6 +112,12 @@ Add any of these variables into your project settings to override them.
 * Storage system (should be a class).
 * Default: ``None`` (use default storage system)
 
+``CHUNKED_UPLOAD_USE_TEMP_STORAGE``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* Activates temporary file storage. Useful for AWS S3.
+* Default: ``False`` (use default storage system or ``CHUNKED_UPLOAD_STORAGE_CLASS``)
+
 ``CHUNKED_UPLOAD_ABSTRACT_MODEL``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

chunked_upload/settings.py

@@ -35,7 +35,14 @@ def default_upload_to(instance, filename):
 
 
 # Storage system
-STORAGE = getattr(settings, 'CHUNKED_UPLOAD_STORAGE_CLASS', lambda: None)()
+USE_TEMP_STORAGE = getattr(settings, 'CHUNKED_UPLOAD_USE_TEMP_STORAGE', False)
+# Use django default or via settings defined storage
+if not USE_TEMP_STORAGE:
+    STORAGE = getattr(settings, 'CHUNKED_UPLOAD_STORAGE_CLASS', lambda: None)()
+# Use temporary storage for chunks
+else:
+    from chunked_upload.storages import TemporaryFileStorage
+    STORAGE = TemporaryFileStorage()
 
 
 # Boolean that defines if the ChunkedUpload model is abstract or not

chunked_upload/storages.py

@@ -0,0 +1,7 @@
+import tempfile
+
+from django.core.files.storage import FileSystemStorage
+
+
+class TemporaryFileStorage(FileSystemStorage):
+    location = tempfile.gettempdir()