The itools project has done some existing work on supporting different file formats, among them ODF. The Translate Toolkit has support for many localisation formats and localisation features. This project will look at combining these expertise to build a set of converters that can convert an ODF file to either PO or XLIFF to allow translation and management in any compliant translation software, and also to convert back to ODF to provide the translated document.
xliff2odfscripts. See the details here:
Currently, we're busy completing Enrique's placeables code in the toolkit. Proper placeable handling is necessary to handle formatting and footnotes (amongst other things) in ODF documents.
The design page is here.
Although it seems odd to have a screenshot of a converter here is one with Virtaal translating the converted ODF 1.2 specification:
More info on the detailed Roadmap.