{"id":55199,"date":"2020-01-15T00:00:00","date_gmt":"2020-01-14T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/tsenoj-perevoda-mercurial-na-python-3-mozhet-stat-shlejf-nepredvidennyh-oshibok"},"modified":"2020-02-18T14:03:17","modified_gmt":"2020-02-18T11:03:17","slug":"tsenoj-perevoda-mercurial-na-python-3-mozhet-stat-shlejf-nepredvidennyh-oshibok","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/tsenoj-perevoda-mercurial-na-python-3-mozhet-stat-shlejf-nepredvidennyh-oshibok","title":{"rendered":"Mercuriali viimase versiooni t\u00f5lkimine Python 3-ks v\u00f5ib kaasa tuua etten\u00e4gematute viga.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Versioonihalduss\u00fcsteemi hooldaja Mercurial<\/a><\/noindex> tegi kokkuv\u00f5tte projekti t\u00f5lke t\u00f6\u00f6dest Python 2-lt Python 3-le. Kuigi esimesed portimise katsed tehti juba 2008. aastal ning pingutatud tempoga kohandamine Python 3-ga algas 2015. aastal, sai Python 3 t\u00e4ielik kasutusv\u00f5imalus teostatud alles viimasel Mercurial 5.2 harul.<\/a><\/noindex> Prognoosid Python 3 sadama stabiilsusest on kahetsusv\u00e4\u00e4rsed. Eelk\u00f5ige arvatakse, et j\u00e4rgmise paar aasta jooksul ilmnevad koodis juhuslikud vead, kuna testid ei kata 100% koodibaasist, ning paljusid probleeme ei avastata staatilise anal\u00fc\u00fcsi k\u00e4igus, vaid need ilmnevad alles k\u00e4itamise ajal. Lisaks j\u00e4\u00e4vad paljusid kolmanda osapoole lisandeid ja laiendusi veel Python 3-le t\u00f5lkimata. <\/p>\n

Kuna portimise k\u00e4igus otsustati aeglaselt kohandada kood Python 3-le, s\u00e4ilitades samas Python 2 toe, on kood kasvanud hulga hack'idega, et \u00fchitada Python 2 ja 3, mida tuleb p\u00e4rast Python 2 toe l\u00f5petamist eemaldada.
\nKommenteerides olukorda Python 3-ga, peab Mercuriali hooldaja arvamust, et otsus edendada Python 3 \u00fchilduvust l\u00f5hkuvat ja panna see uue, \u00f5igema keelena, ilma arendajatele sobivate l\u00e4bimurde t\u00e4iustusteta, oli suur viga, mis tegi suurt kahju kogukonnale ja on n\u00e4ide sellest, kuidas suuremad projektid ei tohiks k\u00e4ituda. Selle asemel, et j\u00e4rk-j\u00e4rgult funktsionaalsust laiendada ja v\u00f5imaldada rakenduste j\u00e4rkj\u00e4rgulist kohandamist, sundis Python 3 v\u00e4ljaandmine arendajaid oma koodi uuesti kirjutama ning kulutama ressursse Python 2 ja Python 3 eraldi harude toetamiseks. Alles seitse aastat p\u00e4rast Python 3.0 v\u00e4ljaandmist saadi Python 3.5-s ellu viia v\u00f5imalused, mis sujuvdasid \u00fcleminekuprotsessi ja tagasid \u00fche koodibaasi t\u00f6\u00f6 koos Python 2 ja Python 3-iga. <\/p>\n

Kommenteerides Python 3 olukorda, peab Mercuriali hooldaja seda otsust, millega edendatakse Python 3 kokkusobivuse purunemist ja selle kasutuselev\u00f5ttu kui uut ja korrektsemat keelt, ilma olulistele arendajatele suunatud uuendusteta, suureks veaks, mis on kogukonnale suurt kahju tekitanud ja on n\u00e4ide sellest, kuidas suured projektid mitte kunagi ei tohiks k\u00e4ituda. Selle asemel, et j\u00e4rk-j\u00e4rgult funktsionaalsust suurendada ja v\u00f5imaldada rakenduste j\u00e4rkj\u00e4rgulist kohandamist, sunniti Python 3 v\u00e4ljalaskmisel arendajaid koodi \u00fcmber kirjutama ja ressursse kulutama eraldi harude toetamiseks Python 2 ja Python 3 jaoks. Alles seitse aastat p\u00e4rast Python 3.0 v\u00e4ljalaskmist rakendati Python 3.5-s funktsioone, mis v\u00f5imaldasid sujuvamalt \u00fcle minna ja tagada \u00fche koodibaasi toimimise nii Python 2 kui ka Python 3-ga. <\/p>\n

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

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

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