Not in runtime. It is much simplier to change a pkg_resources.require line and restart app than changing between virtualenvs.
Thank you very much for your help! Regards, Csaba This is living dangerously. Once you have pylucene and jcc loaded into the python VM with their shared libraries, you can't switch versions. Software that attempts a switch may silently fail and mixing incompatible versions (anything really: versions python, lucene, jcc, java) can cause crashes. Andi..
