Comment 2 for bug 1089793

pkg.current_ver is always None despite its status in Installed in dpkg status file.

>>> import apt
>>> c = apt.Cache(rootdir = '/home/ubuntu/update-manager-0.174.3/tests/aptroot-update-origin')
>>> c.update()
True
>>> c.open()
>>> p=c['python-libvirt']
>>> p._pkg.current_ver
>>>

$ ls -l /home/ubuntu/update-manager-0.174.3/tests/aptroot-update-origin/var/lib/dpkg/status
-rw-r--r-- 1 root root 11185 Dec 13 10:04 /home/ubuntu/update-manager-0.174.3/tests/aptroot-update-origin/var/lib/dpkg/status

$ head -5 /home/ubuntu/update-manager-0.174.3/tests/aptroot-update-origin/var/lib/dpkg/status
Package: python-libvirt
Status: install ok installed
Installed-Size: 1
Version: 0.7.5-5ubuntu27.16
Description: foo