in 'utils' module, earlier the function -'escape(...)' was converting the strings to bytes, and that's reason, it was not working on Python 3.
the external utility.
Tweaked by Ashesh Vashi as below: - Integrated it with the background process executor, and observer. - Improved the message format of the backup module messages. - Created an item in TODO list to list down the objects in the selected backup file.