{"id":73102,"date":"2020-03-07T02:42:04","date_gmt":"2020-03-06T23:42:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nachalas-razrabotka-paketnogo-menedzhera-dnf-5-i-zameny-packagekit"},"modified":"2020-03-07T02:42:04","modified_gmt":"2020-03-06T23:42:04","slug":"nachalas-razrabotka-paketnogo-menedzhera-dnf-5-i-zameny-packagekit","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/nachalas-razrabotka-paketnogo-menedzhera-dnf-5-i-zameny-packagekit","title":{"rendered":"Udviklingen af pakkemanageren DNF 5 og erstatningen af PackageKit er begyndt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Daniel Mach fra Red Hat oplyste<\/a><\/noindex> om begyndelsen af udviklingen af pakkeh\u00e5ndtereren DNF 5, hvor logikken i DNF, der er implementeret i Python, vil blive overf\u00f8rt til biblioteket libdnf skrevet i C++. Testningen af DNF 5 forventes at begynde i juni under udviklingen af Fedora 33, hvorefter det i oktober 2020 vil blive tilf\u00f8jet til Rawhide-repositoriet, og i februar 2021 vil erstatte DNF 4. Vedligeholdelsen af DNF 4-grenen vil forts\u00e6tte, da den anvendes i Red Hat Enterprise Linux 8.<\/p>\n

Det bem\u00e6rkes, at projektet har n\u00e5et et stadium, hvor det n\u00e6sten er umuligt at forts\u00e6tte med at udvikle koden uden at bryde API-\/ABI-kompatibiliteten. Dette skyldes prim\u00e6rt tabet<\/a><\/noindex> aktualiteten af PackageKit og vanskeligheden ved at udvikle libdnf uden at \u00e6ndre API 'libhif'. P\u00e5 trods af intentionen om at \u00e6ndre API, n\u00e6vnes bevarelse af bagudkompatibilitet p\u00e5 niveauet for kommandolinjegr\u00e6nsefladen og API som de prim\u00e6re prioriteter.<\/p>\n

Underst\u00f8ttelse af Python API i DNF vil blive bibeholdt, men den forretningslogik skrevet i Python vil blive overf\u00f8rt til biblioteket libdnf (C++), hvilket vil sikre identisk funktionalitet for pakkeh\u00e5ndtereren i distributionen. Udviklingen vil fokusere p\u00e5 C++ API'et, og Python API'et vil blive genereret automatisk som en wrapper baseret p\u00e5 det.
\nP\u00e5 samme m\u00e5de vil der blive dannet bindings til Go, Perl og
\nRuby. Efter stabilisering af C++ API'et vil der ogs\u00e5 blive forberedt et C API, som rpm-ostree vil blive overf\u00f8rt til. Hawkey<\/a><\/noindex> Python API vil blive fjernet og erstattet med libdnf<\/a><\/noindex> Python API.<\/p>\n

Den prim\u00e6re funktionalitet i DNF vil blive bevaret. Takket v\u00e6re et stort testbibliotek (omkring 1400 tests) forventes det, at omarbejdningen af API'et ikke vil p\u00e5virke kommandolinjegr\u00e6nsefladen for slutbrugerne. Argumentparsing og output kan \u00e6ndre sig lidt, men disse \u00e6ndringer vil blive godt dokumenteret. I en reduceret version, microdnf<\/a><\/noindex>, der anvendes i containere, planl\u00e6gges et subset af DNF's funktioner at blive implementeret; fuld paritet i funktionaliteten er ikke forventet.<\/p>\n

I stedet for PackageKit<\/a><\/noindex> Der vil blive oprettet en ny DBus-tjeneste, der giver et interface til h\u00e5ndtering af pakker og opdateringer til grafiske applikationer. Denne tjeneste planl\u00e6gges at blive udviklet fra bunden, s\u00e5 udviklingen kan tage lang tid. PackageKit har ikke v\u00e6ret under udvikling i et stykke tid og har v\u00e6ret i vedligeholdelsesmode siden 2014 p\u00e5 grund af tab af relevans. Med fremkomsten af Snaps- og Flatpak-systemer mister distributionerne interessen for PackageKit, for eksempel bliver det ikke l\u00e6ngere inkluderet i builds. Fedora SilverBlue<\/a><\/noindex>. Abstraktionsniveauet for pakkeh\u00e5ndtering sikres i h\u00f8j grad af de indbyggede applikationsh\u00e5ndteringscentre GNOME og KDE, som tillader installation af flatpak-pakker p\u00e5 brugerindividuelt niveau. En ensartet system-API til at f\u00e5 en liste over installerede pakker bliver ikke s\u00e5 nyttig som f\u00f8r.<\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u044d\u043d\u0438\u0435\u043b \u041c\u0430\u0445 (Daniel Mach) \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat \u0441\u043e\u043e\u0431\u0449\u0438\u043b \u043e \u043d\u0430\u0447\u0430\u043b\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 DNF 5, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u043f\u0435\u0440\u0435\u043d\u043e\u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python \u043b\u043e\u0433\u0438\u043a\u0438 DNF \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 libdnf, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0443\u044e \u043d\u0430 C++. \u0422\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 DNF 5 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0430\u0442\u044c \u0432 \u0438\u044e\u043d\u0435 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 Fedora 33, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u0432 \u043e\u043a\u0442\u044f\u0431\u0440\u0435 2020 \u0433\u043e\u0434\u0430 \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 Rawhide, 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