For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:python:ports/openSUSE_Tumbleweed/home:marec2000:python:ports.repo
zypper refresh
zypper install python-zope.interface
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:python:ports/openSUSE_Factory_PowerPC/home:marec2000:python:ports.repo
zypper refresh
zypper install python-zope.interface
For openSUSE Factory ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:python:ports/openSUSE_Factory_ARM/home:marec2000:python:ports.repo
zypper refresh
zypper install python-zope.interface