defaults = { 'bash_functions': { 'h': 'cp /etc/htoprc.global ~/.htoprc; mkdir -p ~/.config/htop; cp /etc/htoprc.global ~/.config/htop/htoprc; htop', }, 'locale': { 'default': 'en_US.UTF-8', 'installed': { 'de_DE.UTF-8', 'en_US.UTF-8', }, }, } @metadata_reactor.provides( 'locale/installed', ) def ensure_default_is_installed(metadata): return { 'locale': { 'installed': { metadata.get('locale/default'), }, }, }