Add tool for migrating users from Gravatar to user avatars

(imported from commit e3fbeb74489952f00f9063303f4026ee6a7148fc)

zephyr/lib/upload.py

@@ -52,9 +52,8 @@ def upload_image_to_s3(
     else:
         headers = None
 
-    key.set_contents_from_filename(
-            user_file.temporary_file_path(),
-            headers=headers)
+    contents = user_file.read()
+    key.set_contents_from_string(contents, headers=headers)
 
 def get_file_info(request, user_file):
     uploaded_file_name = user_file.name