/usr/share/pyshared/pyglet/media/ is in python-pyglet 1.1.4.dfsg-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/pyglet/media/__init__.py
/usr/share/pyshared/pyglet/media/avbin.py
/usr/share/pyshared/pyglet/media/drivers/
/usr/share/pyshared/pyglet/media/drivers/__init__.py
/usr/share/pyshared/pyglet/media/drivers/alsa/
/usr/share/pyshared/pyglet/media/drivers/alsa/__init__.py
/usr/share/pyshared/pyglet/media/drivers/alsa/asound.py
/usr/share/pyshared/pyglet/media/drivers/directsound/
/usr/share/pyshared/pyglet/media/drivers/directsound/__init__.py
/usr/share/pyshared/pyglet/media/drivers/directsound/lib_dsound.py
/usr/share/pyshared/pyglet/media/drivers/openal/
/usr/share/pyshared/pyglet/media/drivers/openal/__init__.py
/usr/share/pyshared/pyglet/media/drivers/openal/lib_alc.py
/usr/share/pyshared/pyglet/media/drivers/openal/lib_openal.py
/usr/share/pyshared/pyglet/media/drivers/silent.py
/usr/share/pyshared/pyglet/media/procedural.py
/usr/share/pyshared/pyglet/media/riff.py