You should be able to use ts2po tool (part of translate-toolkit) to convert .ts files to .po files and then upload that to Launchpad. Translate-Toolkit likely has a "reverse" script as well.
You should be able to use ts2po tool (part of translate-toolkit) to convert .ts files to .po files and then upload that to Launchpad. Translate-Toolkit likely has a "reverse" script as well.