import packagekit.client

pk = packagekit.client.PackageKitClient()
#search for packet with name "blender"
erg = pk.search_name('blender')
print erg[0].name
print erg[0].summary

1. create a packagekit instance
2. search for the blender package
3. show the complete name and the package summary
(needs python-packagekit package)

Python controlling Packagekit

linux

Python