For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:uebelhacker/openSUSE_Tumbleweed/home:uebelhacker.repo
zypper refresh
zypper install python-bup
For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:uebelhacker/openSUSE_Leap_42.3/home:uebelhacker.repo
zypper refresh
zypper install python-bup
For openSUSE Leap 42.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:uebelhacker/openSUSE_Leap_42.2/home:uebelhacker.repo
zypper refresh
zypper install python-bup
For openSUSE Leap 42.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:uebelhacker/openSUSE_Leap_42.1/home:uebelhacker.repo
zypper refresh
zypper install python-bup
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:uebelhacker/openSUSE_Factory/home:uebelhacker.repo
zypper refresh
zypper install python-bup