/usr/lib/ovito/plugins/python/ is in ovito 2.9.0+dfsg1-5ubuntu2.
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/usr/lib/ovito/plugins/python/ovito/
/usr/lib/ovito/plugins/python/ovito/__init__.py
/usr/lib/ovito/plugins/python/ovito/anim/
/usr/lib/ovito/plugins/python/ovito/anim/__init__.py
/usr/lib/ovito/plugins/python/ovito/data/
/usr/lib/ovito/plugins/python/ovito/data/__init__.py
/usr/lib/ovito/plugins/python/ovito/data/crystalanalysis/
/usr/lib/ovito/plugins/python/ovito/data/crystalanalysis/__init__.py
/usr/lib/ovito/plugins/python/ovito/data/particles/
/usr/lib/ovito/plugins/python/ovito/data/particles/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/
/usr/lib/ovito/plugins/python/ovito/io/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/crystalanalysis/
/usr/lib/ovito/plugins/python/ovito/io/crystalanalysis/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/mesh/
/usr/lib/ovito/plugins/python/ovito/io/mesh/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/particles/
/usr/lib/ovito/plugins/python/ovito/io/particles/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/particles/netcdf/
/usr/lib/ovito/plugins/python/ovito/io/particles/netcdf/__init__.py
/usr/lib/ovito/plugins/python/ovito/io/povray/
/usr/lib/ovito/plugins/python/ovito/io/povray/__init__.py
/usr/lib/ovito/plugins/python/ovito/modifiers/
/usr/lib/ovito/plugins/python/ovito/modifiers/__init__.py
/usr/lib/ovito/plugins/python/ovito/modifiers/crystalanalysis/
/usr/lib/ovito/plugins/python/ovito/modifiers/crystalanalysis/__init__.py
/usr/lib/ovito/plugins/python/ovito/modifiers/particles/
/usr/lib/ovito/plugins/python/ovito/modifiers/particles/__init__.py
/usr/lib/ovito/plugins/python/ovito/modifiers/vorotop/
/usr/lib/ovito/plugins/python/ovito/modifiers/vorotop/__init__.py
/usr/lib/ovito/plugins/python/ovito/plugins/
/usr/lib/ovito/plugins/python/ovito/plugins/__init__.py
/usr/lib/ovito/plugins/python/ovito/vis/
/usr/lib/ovito/plugins/python/ovito/vis/__init__.py
/usr/lib/ovito/plugins/python/ovito/vis/crystalanalysis/
/usr/lib/ovito/plugins/python/ovito/vis/crystalanalysis/__init__.py
/usr/lib/ovito/plugins/python/ovito/vis/particles/
/usr/lib/ovito/plugins/python/ovito/vis/particles/__init__.py
/usr/lib/ovito/plugins/python/ovito/vis/povray/
/usr/lib/ovito/plugins/python/ovito/vis/povray/__init__.py
/usr/lib/ovito/plugins/python/ovito/vis/tachyon/
/usr/lib/ovito/plugins/python/ovito/vis/tachyon/__init__.py