$ du -hs seafile-pro-server-10.0.*/pro/python/seafes ; du -hs seafile-pro-server-10.0.*/pro/python/seafes/poi/ seafile-pro-server-10.0.*/pro/python/seafes/seafes.tar.gz
25M seafile-pro-server-10.0.4/pro/python/seafes
132M seafile-pro-server-10.0.5/pro/python/seafes
13M seafile-pro-server-10.0.4/pro/python/seafes/poi/
71M seafile-pro-server-10.0.5/pro/python/seafes/poi/
11M seafile-pro-server-10.0.4/pro/python/seafes/seafes.tar.gz
60M seafile-pro-server-10.0.5/pro/python/seafes/seafes.tar.gz
So this seems to be the POI java library update. No clue why the seafes.tar.gz is in the tree:
$ tar xfz seafile-pro-server-10.0.5/pro/python/seafes/seafes.tar.gz
$ diff -r -c seafes seafile-pro-server-10.0.5/pro/python/seafes
Only in seafile-pro-server-10.0.5/pro/python/seafes: ExtractText.java
Only in seafile-pro-server-10.0.5/pro/python/seafes: Makefile
Only in seafile-pro-server-10.0.5/pro/python/seafes/poi: ExtractText.class
Only in seafile-pro-server-10.0.5/pro/python/seafes/poi: manifest.mf
Only in seafile-pro-server-10.0.5/pro/python/seafes: pytest.ini
Only in seafile-pro-server-10.0.5/pro/python/seafes: README.md
Only in seafile-pro-server-10.0.5/pro/python/seafes: run.sh.template
Only in seafile-pro-server-10.0.5/pro/python/seafes: seafes.tar.gz
Only in seafile-pro-server-10.0.5/pro/python/seafes: tests