Hello Release Team and Archive Administrators! Due to the removal of Python2 from Debain [1], DisplayCAL was removed from the Ubuntu archives. For photogaphers and graphic artists, there is now no longer a professional-level display calibration application. DisplayCAL is a graphical frontend to ArgyllCMS, which has also been removed from Debian [2].
The upstream developer has expressed little interest in porting to Python3 and is not accepting help in doing so [1]. As such, it has remained without a Linux version as all major distributions have now dropped Python2. However, an unofficial movement emerged at Flathub where this application has been repackaged[4]. While I would have created a snap version, I don't have the know-how, and the flatpak version works very well. As such, we'd like to include this flatpak version in Ubuntu Studio. I have packaged and uploaded a "Transitional Dummy Package" of DisplayCAL which installs the flatpak and adds the flathub.org flatpak repository if necessary. Please know that this does NOT install any .deb repositories, and, therefore, does not violate policy. The justification for this is that the chromium-browser package currently installs the snap of chromium. This is no different, except that it adds a the flathub repository (the defacto-default repository for flatpak) if necessary whereas only one snap repository exists (by design). Please note that, much like uninstalling the chromium-browser .deb package doesn't uninstall the snap, this .deb of DisplayCAL does not uninstall the flatpak if uninstalled. If a user wishes to uninstall it, this can be done from the flatpak CLI tool. For users of Ubuntu Studio, we will be seeding plasma- discover-backend-flatpak to assist from a GUI standpoint once this package is accepted. Also note: since there is no upstream .deb package, and since this .deb package contains no upstream code, this is now a native package. It can be replaced later on with a quilt package if the dependencies get converted later on, but with the removal of argyllcms, this does not seem likely. Also, this can be updated to work with a snap if one becomes available. N.B. This package has been tested and works exactly as expected. PPA build available in my ppa:eeickmeyer/ppa. [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942988 [2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=966416 [3] https://hub.displaycal.net/issue/17813/ [4] https://flathub.org/apps/details/net.displaycal.DisplayCAL -- Erich Eickmeyer Project Leader - Ubuntu Studio Member - Ubuntu Community Council
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