{"id":105057,"date":"2022-09-10T20:47:34","date_gmt":"2022-09-10T18:47:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-fedora-39-namechen-perehod-na-dnf5-izbavlennyj-ot-komponentov-na-yazyke-python"},"modified":"2022-09-10T20:47:34","modified_gmt":"2022-09-10T18:47:34","slug":"v-fedora-39-namechen-perehod-na-dnf5-izbavlennyj-ot-komponentov-na-yazyke-python","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/v-fedora-39-namechen-perehod-na-dnf5-izbavlennyj-ot-komponentov-na-yazyke-python","title":{"rendered":"No Fedora 39 est\u00e1 prevista a transi\u00e7\u00e3o para o DNF5, livre de componentes em Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ben Cotton, respons\u00e1vel pelo programa Fedora na Red Hat, anunciou a inten\u00e7\u00e3o de mudar o Fedora Linux para o gerenciador de pacotes DNF5 por padr\u00e3o. O Fedora Linux 39 planeja substituir os pacotes dnf, libdnf e dnf-cutomatic pelo conjunto de ferramentas DNF5 e uma nova biblioteca libdnf5. A proposta ainda n\u00e3o foi analisada pelo comit\u00ea FESCo (Fedora Engineering Steering Committee), que \u00e9 respons\u00e1vel pela parte t\u00e9cnica do desenvolvimento da distribui\u00e7\u00e3o Fedora.     <\/p>\n<p>Em seu tempo, o DNF substituiu o Yum, que foi completamente escrito em Python. No DNF, fun\u00e7\u00f5es de baixo n\u00edvel exigentes em termos de desempenho foram reescritas e separadas em bibliotecas C, como hawkey, librepo, libsolv e libcomps, mas a estrutura e os componentes de alto n\u00edvel permaneceram em Python. O projeto DNF5 visa unificar as bibliotecas de baixo n\u00edvel existentes, reescrever os componentes de gerenciamento de pacotes que permanecem em Python nas bibliotecas C++ e mover a funcionalidade b\u00e1sica para uma biblioteca separada, libdnf5, criando uma camada ao redor desta biblioteca para manter a API Python.      <\/p>\n<p>O uso da linguagem C++ em vez de Python permitir\u00e1 eliminar um grande n\u00famero de depend\u00eancias, reduzir o tamanho do conjunto de ferramentas e aumentar o desempenho. Um desempenho mais alto \u00e9 alcan\u00e7ado n\u00e3o apenas pela compila\u00e7\u00e3o em c\u00f3digo de m\u00e1quina, mas tamb\u00e9m por meio de uma implementa\u00e7\u00e3o aprimorada da tabela de transa\u00e7\u00f5es, otimiza\u00e7\u00e3o do carregamento a partir de reposit\u00f3rios e reestrutura\u00e7\u00e3o do banco de dados (bancos separados para o estado do sistema e o hist\u00f3rico de opera\u00e7\u00f5es). O conjunto de ferramentas DNF5 n\u00e3o est\u00e1 mais vinculado ao PackageKit, sendo substitu\u00eddo por um novo processo em segundo plano, o DNF Daemon, que substitui a funcionalidade do PackageKit e fornece uma interface para gerenciar pacotes e atualiza\u00e7\u00f5es em ambientes gr\u00e1ficos.    <\/p>\n<p>A reformula\u00e7\u00e3o tamb\u00e9m permitir\u00e1 a implementa\u00e7\u00e3o de algumas melhorias que aumentam a facilidade de uso do gerenciador de pacotes. Por exemplo, no novo DNF foi implementada uma indica\u00e7\u00e3o mais clara do progresso das opera\u00e7\u00f5es; foi adicionada a compatibilidade com o uso de pacotes RPM locais para transa\u00e7\u00f5es; foi criada a possibilidade de mostrar em relat\u00f3rios sobre transa\u00e7\u00f5es executadas as informa\u00e7\u00f5es fornecidas por scripts embutidos nos pacotes (scriplets); e foi proposta um sistema de autocompletar mais avan\u00e7ado para o bash.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57757\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u0435\u043d \u041a\u043e\u0442\u0442\u043e\u043d (Ben Cotton), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat \u0434\u043e\u043b\u0436\u043d\u043e\u0441\u0442\u044c Fedora Program Manager, \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043f\u0435\u0440\u0435\u0432\u0435\u0441\u0442\u0438 Fedora Linux \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043d\u0430 \u043f\u0430\u043a\u0435\u0442\u043d\u044b\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 DNF5. \u0412 Fedora Linux 39 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u044b dnf, libdnf \u0438 dnf-cutomatic \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 DNF5 \u0438 \u043d\u043e\u0432\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 libdnf5. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u043e \u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u043c FESCo (Fedora Engineering Steering Committee), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u043c \u0437\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105057","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0411\u0435\u043d \u041a\u043e\u0442\u0442\u043e\u043d (Ben Cotton), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat \u0434\u043e\u043b\u0436\u043d\u043e\u0441\u0442\u044c Fedora Program Manager, \u043e\u0431\u044a\u044f\u0432\u0438\u043b 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