/usr/lib/pyshared/python2.7/glib/_glib.so is in python-gobject-2 2.28.6-12+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pyshared/python2.7/glib/../../../python2.7/dist-packages/glib/_glib.so