{"id":34324,"date":"2019-10-31T21:57:38","date_gmt":"2019-10-31T18:57:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/namechena-bolshaya-chistka-standartnoj-biblioteki-python\/"},"modified":"2019-10-31T21:57:38","modified_gmt":"2019-10-31T18:57:38","slug":"namechena-bolshaya-chistka-standartnoj-biblioteki-python","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/namechena-bolshaya-chistka-standartnoj-biblioteki-python","title":{"rendered":"Ir paredz\u0113ta iev\u0113rojama Python standarta bibliot\u0113kas t\u012br\u012b\u0161ana","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Python projekta izstr\u0101d\u0101t\u0101ji publiskoju\u0161i<\/a><\/noindex> \u012bsin\u0101jums (PEP 594) par iev\u0113rojamu t\u012br\u012b\u0161anu standarta bibliot\u0113k\u0101. No Python standarta bibliot\u0113kas tiek pied\u0101v\u0101ti iz\u0146emt gan ac\u012bmredzami novecoju\u0161as un \u0161auras specializ\u0101cijas iesp\u0113jas, gan komponentes, kur\u0101m ir arhitekt\u016bras probl\u0113mas un kuras nav iesp\u0113jams standartiz\u0113t vis\u0101m platform\u0101m. <\/p>\n

Piem\u0113ram, no standarta bibliot\u0113kas tiek pied\u0101v\u0101ts izsl\u0113gt \u0161\u0101dus modu\u013cus k\u0101 crypt (nepieejams Windows un atkar\u012bgs no hesh\u0113\u0161anas algoritmu pieejam\u012bbas no sist\u0113mas bibliot\u0113k\u0101m), cgi (neoptim\u0101la arhitekt\u016bra, nepiecie\u0161ams uzs\u0101kt jaunu procesu katram piepras\u012bjumam), imp (ieteicams izmantot importlib), pipes (ieteicams izmantot subprocess moduli), nis (ieteicams izmantot NSS, LDAP vai Kerberos\/GSSAPI), spwd (neiesaka tie\u0161i str\u0101d\u0101t ar kontu datub\u0101zi). Ar\u012b bez iz\u0146em\u0161anas ir atz\u012bm\u0113ti binhex, uu, xdrlib,
\n aifc,
\n audioop,
\n chunk,
\n imghdr,
\n ossaudiodev,
\n sndhdr,
\n sunau,
\n asynchat,
\n asyncore,
\n cgitb,
\n smtpd,
\n nntplib, macpath,
\n formatter, msilib un parser.<\/p>\n

Saska\u0146\u0101 ar pied\u0101v\u0101to pl\u0101nu Python 3.8 min\u0113tie modu\u013ci tiks atz\u012bm\u0113ti k\u0101 novecoju\u0161i, Python 3.8 s\u0101ks izsniegt br\u012bdin\u0101jumus, bet Python 3.10 tiks iz\u0146emti no CPython kr\u0101tuves.
\n Parser modulis tiks iz\u0146emts versij\u0101 3.9, jo tas jau ir atz\u012bm\u0113ts k\u0101 novecojis kop\u0161 Python 2.5 izdo\u0161anas, bet macpath modulis 3.8 versij\u0101. P\u0113c iz\u0146em\u0161anas no galven\u0101 sast\u0101va kods tiks p\u0101rvietots uz atsevi\u0161\u0137u legacylib glab\u0101tuvi, un t\u0101 liktenis b\u016bs atkar\u012bgs no kopienas intere\u0161a. Tiek gaid\u012bts, ka Python 3.9 zarus atbalst\u012bs l\u012bdz 2026. gadam, kas nodro\u0161in\u0101s pietiekamu laiku projektu p\u0101rne\u0161anai uz \u0101r\u0113j\u0101m alternat\u012bv\u0101m.<\/p>\n

S\u0101kotn\u0113ji iz\u0146em\u0161anai tika pied\u0101v\u0101ti ar\u012b modu\u013ci ftplib, optparse, getopt, colorsys, fileinput, lib2to3 un wave, bet tika nolemts tos pagaid\u0101m atst\u0101t standarta bibliot\u0113k\u0101, jo tie ir pla\u0161i izplat\u012bti un joproj\u0101m ir aktu\u0101li, neskatoties uz jaud\u012bg\u0101ku alternat\u012bvu vai saist\u012bbu ar specifisk\u0101m oper\u0113t\u0101jsist\u0113mu iesp\u0113j\u0101m.<\/p>\n

Atg\u0101din\u0101m, ka Python projekt\u0101 s\u0101kotn\u0113ji tiek izmantots pieejas princips \"baterijas iek\u013cautas komplekt\u0101\", kur standartbibliot\u0113k\u0101 pied\u0101v\u0101 pla\u0161u funkciju kl\u0101stu da\u017e\u0101d\u0101m pielietojuma jom\u0101m. \u0160\u0101da pieeja sniedz vair\u0101kas priek\u0161roc\u012bbas \u2014 vienk\u0101r\u0161o Python projektu uztur\u0113\u0161anu un dro\u0161\u012bbas uzraudz\u012bbu izmantotajos modu\u013cos. Modu\u013cos eso\u0161\u0101s ievainojam\u012bbas bie\u017ei vien k\u013c\u016bst par nopl\u016bd\u0113m, kas ietekm\u0113 to lietojumprogrammas. Gad\u012bjum\u0101, ja funkcijas ir iek\u013cautas standartbibliot\u0113k\u0101, pietiek uzraudz\u012bt galven\u0101 projekta statusu. Ja standartbibliot\u0113ka tiek sadal\u012bta, izstr\u0101d\u0101t\u0101jiem j\u0101izmanto tre\u0161o pu\u0161u modu\u013ci, kur katra no ievainojam\u012bb\u0101m ir j\u0101uzrauga atsevi\u0161\u0137i. Iev\u0113rojama sadal\u012bjuma un liel\u0101 atkar\u012bbu skaita d\u0113\u013c palielin\u0101s uzbrukumu risks caur modu\u013cu izstr\u0101d\u0101t\u0101ju infrastrukt\u016bras kompromit\u0101ciju.<\/p>\n

No otras puses, katrs papildu modulis standarta bibliot\u0113k\u0101 prasa resursus no Python izstr\u0101d\u0101t\u0101ju komandas, lai nodro\u0161in\u0101tu atbalstu. Bibliot\u0113k\u0101 ir uzkr\u0101jies liels skaits dubl\u0113jo\u0161u un lieku funkciju, kuru izsl\u0113g\u0161ana var\u0113tu samazin\u0101t atbalsta izmaksas. Att\u012bstoties katalogam PyPI<\/a><\/noindex> un vienk\u0101r\u0161ojot papildu pakot\u0146u instal\u0101cijas un lejupiel\u0101des procesu, \u0101r\u0113jo modu\u013cu izmanto\u0161ana tagad ir tikpat ierasta k\u0101 ieb\u016bv\u0113t\u0101m funkcij\u0101m. <\/p>\n

Aizvien vair\u0101k izstr\u0101d\u0101t\u0101ju izv\u0113las funkcion\u0101l\u0101kas \u0101r\u0113j\u0101s alternat\u012bvas standarta modu\u013ciem; piem\u0113ram, lxml modulis tiek izmantots viet\u0101 xml. Atmest pamestu modu\u013cu no standarta bibliot\u0113kas pal\u012bdz\u0113s palielin\u0101t akt\u012bvi att\u012bst\u012bto alternat\u012bvu popularit\u0101ti. Turkl\u0101t standarta bibliot\u0113kas samazin\u0101\u0161ana samazin\u0101s b\u0101zes pieg\u0101des izm\u0113ru, kas ir aktu\u0101li, izmantojot Python ier\u012bc\u0113s ar ierobe\u017eotu atmi\u0146as izm\u0113ru.<\/p>\n

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

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

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