{"id":41193,"date":"2020-02-06T14:42:08","date_gmt":"2020-02-06T11:42:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/inlinec-novyj-sposob-ispolzovaniya-si-koda-v-python-skriptah"},"modified":"2020-02-06T14:42:08","modified_gmt":"2020-02-06T11:42:08","slug":"inlinec-novyj-sposob-ispolzovaniya-si-koda-v-python-skriptah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/inlinec-novyj-sposob-ispolzovaniya-si-koda-v-python-skriptah","title":{"rendered":"Inlinec \u2014 une nouvelle m\u00e9thode d'utilisation du code C dans les scripts Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projet inlinec<\/a><\/noindex> Une nouvelle m\u00e9thode d'int\u00e9gration inline du code en langage C dans des scripts en Python a \u00e9t\u00e9 propos\u00e9e. Les fonctions en langage C sont d\u00e9finies directement dans un m\u00eame fichier que le code en Python, mises en \u00e9vidence par le d\u00e9corateur «@inlinec». Le script agr\u00e9g\u00e9 est ex\u00e9cut\u00e9 tel quel par l'interpr\u00e9teur spython et analys\u00e9 \u00e0 l'aide du m\u00e9canisme fourni dans Python. codecs<\/a><\/noindex>, permettant de connecter un parseur pour transformer le script avant son analyse par l'interpr\u00e9teur (g\u00e9n\u00e9ralement, le module codecs est utilis\u00e9 pour une recodage transparent du texte, mais permet \u00e9galement de transformer le contenu du script de mani\u00e8re arbitraire). <\/p>\n

Le parseur est int\u00e9gr\u00e9 sous forme de module («from inlinec import inlinec»), qui effectue un traitement initial et traduit \u00e0 la vol\u00e9e les d\u00e9finitions des fonctions C, mises en \u00e9vidence par les annotations @inlinec, en liaisons ctypes et remplace le corps des fonctions C par l'appel de ces liaisons. Apr\u00e8s cette transformation, l'interpr\u00e9teur Python re\u00e7oit d\u00e9j\u00e0 le texte du script correctement transform\u00e9, dans lequel les fonctions C sont appel\u00e9es par ctypes<\/a><\/noindex>. Une m\u00e9thode similaire est \u00e9galement appliqu\u00e9e dans le projet Pyxl4<\/a><\/noindex>, qui permet de m\u00e9langer du code HTML et Python dans un m\u00eame fichier.<\/p>\n

# coding: inlinec
\n from inlinec import inlinec<\/p>\n

@inlinec
\n def test():
\n #include<stdio.h>
\n void test() {
\n printf(«Hello, world»);
\n }<\/p>\n

Le d\u00e9veloppement est pr\u00e9sent\u00e9 comme un prototype exp\u00e9rimental, dans lequel des lacunes sont not\u00e9es, telles que l'absence de support pour le passage de pointeurs \u00e0 la fonction (\u00e0 l'exception des cha\u00eenes), la n\u00e9cessit\u00e9 d'ex\u00e9cuter \u00ab gcc -E \u00bb pour le pr\u00e9traitement du code, la sauvegarde des fichiers interm\u00e9diaires *.so, *.o et *.c dans le r\u00e9pertoire actuel, l'absence de mise en cache de la version transform\u00e9e et l'ex\u00e9cution d'\u00e9tapes d'analyse superflues (retards importants \u00e0 chaque ex\u00e9cution).
\n«gcc -E» pour le pr\u00e9traitement du code, en sauvegardant les fichiers interm\u00e9diaires *.so, *.o et *.c dans le r\u00e9pertoire courant, sans mise en cache de la version transform\u00e9e et en \u00e9vitant les \u00e9tapes d'analyse superflues (grandes latences \u00e0 chaque ex\u00e9cution). <\/p>\n

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

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

\u041f\u0440\u043e\u0435\u043a\u0442\u043e\u043c inlinec \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 inline-\u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 \u043a\u043e\u0434\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0432 \u0441\u043a\u0440\u0438\u043f\u0442\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python. \u0424\u0443\u043d\u043a\u0446\u0438\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0442\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0432 \u043e\u0434\u043d\u043e\u043c \u0444\u0430\u0439\u043b\u0435 \u0441 \u043a\u043e\u0434\u043e\u043c \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python, \u0432\u044b\u0434\u0435\u043b\u044f\u044f\u0441\u044c \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u043e\u0440\u043e\u043c «@inlinec». \u0421\u0432\u043e\u0434\u043d\u044b\u0439 \u0441\u043a\u0440\u0438\u043f\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0435\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u043e\u043c \u0441python \u0438 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u0432 Python \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043a\u043e\u0434\u0435\u043a\u043e\u0432, \u0434\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u043f\u0430\u0440\u0441\u0435\u0440 \u0434\u043b\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u043a\u0440\u0438\u043f\u0442\u0430 […]<\/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":[],"tags":[],"class_list":["post-41193","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Inlinec \u2014 une nouvelle fa\u00e7on d'utiliser le code C dans les scripts Python | ProHoster","description":"\ud83e\udd47Inlinec \u2014 une nouvelle m\u00e9thode d'utilisation du code C dans les scripts Python | 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