{"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\/it\/blog\/inlinec-novyj-sposob-ispolzovaniya-si-koda-v-python-skriptah","title":{"rendered":"Inlinec \u2014 un nuovo modo di utilizzare il codice C negli script Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Progetto inlinec<\/a><\/noindex> \u00e8 stato proposto un nuovo modo di integrazione inline del codice in C negli script Python. Le funzioni in C vengono definite direttamente in un unico file con il codice Python, evidenziandole con il decoratore «@inlinec». Lo script aggregato viene eseguito cos\u00ec com'\u00e8 dall'interprete spython e viene analizzato utilizzando il meccanismo fornito in Python codec<\/a><\/noindex>, che consente di collegare un parser per trasformare lo script prima della sua analisi da parte dell'interprete (di solito, il modulo codecs viene utilizzato per la ricodifica trasparente del testo, ma consente anche di trasformare arbitrariamente il contenuto dello script). <\/p>\n

Il parser viene collegato come modulo («from inlinec import inlinec»), che esegue una prima elaborazione e traduce al volo le definizioni delle funzioni in C, evidenziate tramite annotazioni @inlinec, in wrapper ctypes e sostituisce il corpo delle funzioni in C con chiamate a questi wrapper. Dopo tale trasformazione, l'interprete Python riceve gi\u00e0 il testo sorgente trasformato correttamente, in cui le funzioni in C vengono chiamate tramite ctypes<\/a><\/noindex>. Un metodo simile viene utilizzato anche nel progetto Pyxl4<\/a><\/noindex>, che permette di mescolare codice HTML e Python in un unico file.<\/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

Lo sviluppo viene ancora presentato come un prototipo sperimentale, in cui vengono segnalate alcune imperfezioni, come l'assenza del supporto per il passaggio di puntatori alla funzione (eccetto che per le stringhe), la necessit\u00e0 di eseguire
\n«gcc -E» per il preprocessamento del codice, il salvataggio di file intermedi *.so, *.o e *.c nella directory corrente, l'assenza di caching della variante trasformata e l'esecuzione di fasi di analisi superflue (grandi ritardi ad ogni esecuzione). <\/p>\n

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

Fonte: 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 un nuovo modo di utilizzare il codice C negli script Python | ProHoster","description":"Il progetto inlinec propone un nuovo metodo di integrazione inline del codice in C all'interno di script in 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