{"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\/lv\/blog\/news\/vypusk-brython-3-10-realizaczii-yazyka-python-dlya-web-brauzerov","title":{"rendered":"Brython 3.10 izlaidums, Python valodas realiz\u0101cija t\u012bmek\u013ca p\u0101rl\u016bkprogramm\u0101m","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tika prezent\u0101cija par Brython 3.10 (Browser Python) projektu, kas nodro\u0161ina programm\u0113\u0161anas valodu Python 3 izpildei t\u012bmek\u013ca p\u0101rl\u016bk\u0101, \u013caujot izmantot Python k\u0101 alternat\u012bvu JavaScript skriptu izstr\u0101d\u0113 t\u012bmeklim. Projekta kods ir uzrakst\u012bts Python valod\u0101 un tiek izplat\u012bts saska\u0146\u0101 ar BSD licenci. <\/p>\n

Pievienojot bibliot\u0113kas brython.js un brython_stdlib.js, t\u012bmek\u013ca izstr\u0101d\u0101t\u0101js var izmantot Python valodu, lai defin\u0113tu vietnes lo\u0123iku klienta pus\u0113, izmantojot Python viet\u0101, lai JavaScript. Python koda iek\u013cau\u0161anai lap\u0101s izmanto tagu ar mime veidu «text\/python». Ir at\u013cauta gan koda iek\u013cau\u0161ana lap\u0101, gan \u0101r\u0113jo skriptu iel\u0101de (). No skripta ir pieejama piln\u012bga piek\u013cuve DOM elementiem un notikumiem. Turkl\u0101t, pied\u0101v\u0101 piek\u013cuvi standarta Python bibliot\u0113kai, k\u0101 ar\u012b specializ\u0113taj\u0101m bibliot\u0113k\u0101m, lai mijiedarbotos ar DOM un JavaScript bibliot\u0113k\u0101m, piem\u0113ram, jQuery, D3, Highcharts un Raphael. Atbalsta CSS ietvarus Bootstrap3, LESS un SASS. <\/p>\n

Python koda izpilde no blokiem <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

Gal\u012bg\u0101 veiktsp\u0113ja liel\u0101kajai da\u013cai oper\u0101ciju Python skriptu, kas ir iek\u013cauti web lap\u0101s, ir tuva CPython veiktsp\u0113jai. Aizkave rodas tikai kompil\u0101cijas posm\u0101, ta\u010du \u0161\u012b probl\u0113ma tiek nov\u0113rsta ar iesp\u0113ju iel\u0101d\u0113t iepriek\u0161 kompil\u0113tu JavaScript kodu, kas tiek izmantots standarta bibliot\u0113kas iel\u0101des pa\u0101trin\u0101\u0161anai (Brython nodro\u0161ina r\u012bkus JavaScript bibliot\u0113ku veido\u0161anai, pamatojoties uz Python modu\u013ciem). <\/p>\n

Jaunais izlaidums ir iev\u0113rojams ar sader\u012bbu ar Python 3.10, ieskaitot operatoru atbalstu saska\u0146o\u0161anai (match\/case). Jaunaj\u0101 versij\u0101 ir pied\u0101v\u0101ta s\u0101kotn\u0113j\u0101 abstrakt\u0101 sintakses koka (AST, Abstract Syntax Tree) \u012bsteno\u0161ana Python valod\u0101, kas v\u0113l\u0101k var tikt izmantota, lai \u0123ener\u0113tu JavaScript kodu no univers\u0101l\u0101 AST.
\n
Avots: opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\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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