For python313 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glaubitz:branches:devel:languages:python/python313/home:glaubitz:branches:devel:languages:python.repo
zypper refresh
zypper install python-pycairo
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glaubitz:branches:devel:languages:python/openSUSE_Tumbleweed/home:glaubitz:branches:devel:languages:python.repo
zypper refresh
zypper install python-pycairo
For openSUSE Factory zSystems run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glaubitz:branches:devel:languages:python/openSUSE_Factory_zSystems/home:glaubitz:branches:devel:languages:python.repo
zypper refresh
zypper install python-pycairo
For openSUSE Factory PowerPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glaubitz:branches:devel:languages:python/openSUSE_Factory_PowerPC/home:glaubitz:branches:devel:languages:python.repo
zypper refresh
zypper install python-pycairo
For home rguenther nextgcc standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:glaubitz:branches:devel:languages:python/home_rguenther_nextgcc_standard/home:glaubitz:branches:devel:languages:python.repo
zypper refresh
zypper install python-pycairo