{"id":101567,"date":"2021-10-08T22:22:35","date_gmt":"2021-10-08T20:22:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-brython-3-10-realizaczii-yazyka-python-dlya-web-brauzerov"},"modified":"2021-10-08T22:22:35","modified_gmt":"2021-10-08T20:22:35","slug":"vypusk-brython-3-10-realizaczii-yazyka-python-dlya-web-brauzerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-brython-3-10-realizaczii-yazyka-python-dlya-web-brauzerov","title":{"rendered":"Vyd\u00e1n\u00ed Brython 3.10, implementace jazyka Python pro webov\u00e9 prohl\u00ed\u017ee\u010de","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byl vyd\u00e1n projekt Brython 3.10 (Browser Python) s realizac\u00ed programovac\u00edho jazyka Python 3 pro prov\u00e1d\u011bn\u00ed na stran\u011b webov\u00e9ho prohl\u00ed\u017ee\u010de, kter\u00fd umo\u017e\u0148uje vyu\u017e\u00edt Python m\u00edsto JavaScriptu pro v\u00fdvoj skript\u016f pro web. K\u00f3d projektu je naps\u00e1n v jazyce Python a je distribuov\u00e1n pod licenc\u00ed BSD. <\/p>\n

P\u0159ipojen\u00edm knihoven brython.js a brython_stdlib.js m\u016f\u017ee webov\u00fd v\u00fdvoj\u00e1\u0159 pou\u017e\u00edt jazyk Python k definov\u00e1n\u00ed logiky fungov\u00e1n\u00ed webu na stran\u011b klienta, a to m\u00edsto JavaScriptu. Pro zahrnut\u00ed Python k\u00f3du na str\u00e1nky se pou\u017e\u00edv\u00e1 tag s mime typem 'text\/python'. Je mo\u017en\u00e1 jak integrace k\u00f3du p\u0159\u00edmo na str\u00e1nce, tak na\u010d\u00edt\u00e1n\u00ed extern\u00edch skript\u016f (). Ze skriptu je zaji\u0161t\u011bn pln\u00fd p\u0159\u00edstup k prvk\u016fm a ud\u00e1lostem DOM. Krom\u011b p\u0159\u00edstupu ke standardn\u00ed knihovn\u011b Python jsou nab\u00edzeny specializovan\u00e9 knihovny pro interakci s DOM a JavaScriptov\u00fdmi knihovnami, jako je jQuery, D3, Highcharts a Raphael. Podporuje se pou\u017e\u00edv\u00e1n\u00ed CSS framework\u016f Bootstrap3, LESS a SASS. <\/p>\n

Spušt\u011bní kódu Python z blok\u016f <script> \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044e \u044d\u0442\u043e\u0433\u043e \u043a\u043e\u0434\u0430, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u0443\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u043c Brython \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b. \u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0432\u044b\u0437\u043e\u0432\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 brython(), \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 \u0447\u0435\u0440\u0435\u0437 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 «<body onload="»brython()»">». \u041d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Python-\u043a\u043e\u0434\u0430 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0437\u0430\u0442\u0435\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0448\u0442\u0430\u0442\u043d\u044b\u043c JavaScript-\u0434\u0432\u0438\u0436\u043a\u043e\u043c \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 (\u0434\u043b\u044f \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f, \u043f\u0440\u043e\u0435\u043a\u0442 PyPy.js \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f Python-\u043a\u043e\u0434\u0430 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0432 asm.js \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 CPython, \u0430 Skulpt \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u0442 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 \u043d\u0430 JavaScript). <\/p>\n

Kone\u010dn\u00fd v\u00fdkon v\u011bt\u0161iny operac\u00ed ve vkl\u00e1dan\u00fdch Python skriptech na webov\u00fdch str\u00e1nk\u00e1ch se bl\u00ed\u017e\u00ed v\u00fdkonu CPython. Zpo\u017ed\u011bn\u00ed vznik\u00e1 pouze b\u011bhem kompilace, ale pro jeho odstran\u011bn\u00ed je k dispozici mo\u017enost na\u010dten\u00ed p\u0159edkompilovan\u00e9ho k\u00f3du do JavaScriptu, co\u017e se vyu\u017e\u00edv\u00e1 k urychlen\u00ed na\u010d\u00edt\u00e1n\u00ed standardn\u00ed knihovny (Brython poskytuje n\u00e1stroje pro vytv\u00e1\u0159en\u00ed JavaScript knihoven na z\u00e1klad\u011b Python modul\u016f). <\/p>\n

Nov\u00e9 vyd\u00e1n\u00ed je v\u00fdznamn\u00e9 zaji\u0161t\u011bn\u00edm kompatibility s Python 3.10, v\u010detn\u011b podpory oper\u00e1tor\u016f pro porovn\u00e1v\u00e1n\u00ed vzor\u016f (match\/case). V nov\u00e9 verzi je tak\u00e9 navr\u017eena po\u010d\u00e1te\u010dn\u00ed implementace abstraktn\u00edho syntaktick\u00e9ho stromu (AST, Abstract Syntax Tree) pro jazyk Python, kter\u00fd m\u016f\u017ee b\u00fdt n\u00e1sledn\u011b pou\u017eit pro generaci k\u00f3du JavaScriptu z univerz\u00e1ln\u00edho AST.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Brython 3.10 (Browser Python) \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Python 3 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Python \u0432\u043c\u0435\u0441\u0442\u043e JavaScript \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432 \u0434\u043b\u044f Web. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 brython.js \u0438 brython_stdlib.js, web-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u044f\u0437\u044b\u043a Python \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u0438\u043a\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0430\u0439\u0442\u0430 \u043d\u0430 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