{"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 nuovo modo di utilizzare il codice C nei progetti Python","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Progetto inlinec<\/a><\/noindex> \u00e8 stato proposto un nuovo modo per integrare inline il codice in C negli script Python. Le funzioni in C vengono definite direttamente in un unico file con il codice Python, distinte dal decoratore \u00ab@inlinec\u00bb. Lo script aggregato viene eseguito direttamente dall'interprete spython e analizzato utilizzando il meccanismo fornito in Python. qualit\u00e0 dei 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 codifica testuale trasparente, ma consente anche di trasformare arbitrariamente il contenuto dello script). <\/p>\n

Il parser si collega come modulo (\u00abfrom inlinec import inlinec\u00bb), effettuando una prima elaborazione e traducendo al volo le definizioni delle funzioni in C contrassegnate dalle annotazioni @inlinec in wrapper ctypes e sostituendo il corpo della funzione in C con le chiamate a questi wrapper. Dopo questa trasformazione, l'interprete Python riceve il testo sorgente dello script gi\u00e0 correttamente trasformato, in cui le funzioni in C vengono chiamate tramite ctypes<\/a><\/noindex>. Un metodo simile \u00e8 utilizzato anche nel progetto Pyxl4<\/a><\/noindex>, che consente di mescolare codice HTML e Python in un singolo file.<\/p>\n

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

@inlinec
\n def test():
\n #include<stdio.h>
\n void test() {
\n printf(\u00abHello, world\u00bb);
\n }<\/p>\n

Lo sviluppo \u00e8 attualmente presentato come un prototipo sperimentale, nel quale emergono diverse mancanze, come l'assenza di supporto per il passaggio di puntatori alle funzioni (eccetto per le stringhe), la necessit\u00e0 di eseguire
\n\u00abgcc -E\u00bb per il preprocessamento del codice, mantenendo i file intermedi *.so, *.o e *.c nella directory corrente, evitando la cache della versione trasformata e l'esecuzione di fasi di analisi superflue (grandi ritardi ad ogni avvio). <\/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 codice C negli script Python | ProHoster","description":"Il progetto inlinec propone un nuovo modo di integrare inline codice in linguaggio C all'interno degli script Python. 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