Invoke on the files of the last commit with parallel processing (note: must have parallel installed!)
$ git diff --name-only HEAD~1 HEAD | parallel --bar python theRightAlignment.py

So far no issues in the wild could be observed regarding right-aligning c++ files (macros, etc ..). For Qt-ui files a special rule for the very first line had to be introduced. don#t align the line with "", else parsing fails.