/usr/share/kde4/apps/plan/scripts/ is in calligraplan 1:2.8.1-1-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/apps/plan/scripts/extensions/
/usr/share/kde4/apps/plan/scripts/extensions/busyinfoclear.py
/usr/share/kde4/apps/plan/scripts/extensions/busyinfoexport.py
/usr/share/kde4/apps/plan/scripts/extensions/busyinfoimport.py
/usr/share/kde4/apps/plan/scripts/extensions/plan2csvexport.py
/usr/share/kde4/apps/plan/scripts/extensions/plan2odsexport.py
/usr/share/kde4/apps/plan/scripts/extensions/resourcesimport.py
/usr/share/kde4/apps/plan/scripts/samples/
/usr/share/kde4/apps/plan/scripts/samples/sample_busyinfocheck.py
/usr/share/kde4/apps/plan/scripts/samples/sample_project.py
/usr/share/kde4/apps/plan/scripts/scripts.rc