....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! Aõ.ç~ÓBûH÷JCÌ]õVƒd «ú´QÙEA–¯¯Œ!.ˆˆëQ±ù œ·Ì!Õâ )ùL„ÅÀlÚè5@B…o´Æ¸XÓ&Û…O«˜”_#‡ƒ„ûÈt!¤ÁÏ›ÎÝŠ?c9 â\>lÓÁVÄÑ™£eØY]:fÝ–—ù+p{™ðè û³”g±OƒÚSù£áÁÊ„ä,ï7š²G ÕÌBk)~ÑiCµ|h#u¤¶îK¨² #²vݯGãeÖ϶ú…¾múÀ¶þÔñ‚Š9'^($¤§ò “š½{éúp÷J›ušS¹áªCÂubÃH9™D™/ZöØÁ‡¦ÝÙŸ·kð*_”.C‹{áXó€‡c¡c€§/šò/&éš÷,àéJþ‰X›fµ“C¨œ®r¬"kL‰Â_q…Z–.ÉL~O µ›zn‚¹À¦Öª7\àHµšÖ %»ÇníV[¥*Õ;ƒ#½¾HK-ÖIÊdÏEÚ#=o÷Óò³´Š: Ç?{¾+9›–‘OEáU·S€˜j"ÄaÜ ŒÛWt› á–c#a»pÔZÞdŽtWê=9éöÊ¢µ~ ë ;Öe‡Œ®:bî3±ýê¢wà¼îpêñ¹¾4 zc¾ðÖÿzdêŒÑÒŝÀ‰s6¤í³ÎÙB¿OZ”+F¤á‡3@Ñëäg©·Ž ˆèª<ù@É{&S„œÕúÀA)‰h:YÀ5^ÂÓŒ°õäU\ ùËÍû#²?Xe¬tu‰^zÒÔãë¼ÛWtEtû …‚g¶Úüâî*moGè¨7%u!]PhÏd™Ý%Îx: VÒ¦ôÊD3ÀŽKÛËãvÆî…N¯ä>Eró–ð`5 Œ%u5XkñÌ*NU%¶áœÊ:Qÿú»“úzyÏ6å-၇¾ ´ ÒÊ]y žO‘w2Äøæ…H’²f±ÎÇ.ª|¥'gîV•Ü .̘¯€šòü¤U~Ù†*¢!?ò wý,}´°ÔÞnïoKq5µb!áÓ3"vAßH¡³¡·G(ÐÎ0Îò¼MG!/ài®@—¬04*`…«é8ªøøló“ˆÊ”èù¤…ßÊoÿé'ËuÌÖ5×È¡§ˆˆfŽë9}hìâ_!!¯  B&Ëö¶‰ÀAÙNVŸ Wh›¸®XÑJì¨ú“¿÷3uj²˜¨ÍÎìë±aúŠÝå¯ð*Ó¨ôJ“yºØ)m°WýOè68†ŸÏ2—‰Ïüꪫٚ¥‹l1 ø ÏÄFjêµvÌbü¦èÝx:X±¢H=MÐß—,ˆÉÇ´(9ú¾^ÅÚ4¿m‡$âX‘å%(AlZo@½¨UOÌÕ”1ø¸jÎÀÃÃ_ µ‘Ü.œº¦Ut: Æï’!=¯uwû#,“pþÇúŒø(é@?³ü¥‘Mo §—s@Œ#)§ŒùkL}NOÆêA›¸~r½¼ÙA—HJ«eˆÖ´*¡ÓpÌŸö.m<-"³ûÈ$¬_6­åf£ïÚâj1y§ÕJ½@dÞÁr&Í\Z%D£Íñ·AZ Û³øüd/ªAi†/Й~  ‡âĮҮÏh§°b—›Û«mJžòG'[ÈYýŒ¦9psl ýÁ ®±f¦x,‰½tN ‚Xª9 ÙÖH.«Lo0×?͹m¡å†Ѽ+›2ƒF ±Ê8 7Hցϓ²Æ–m9…òŸï]Â1äN†VLâCˆU .ÿ‰Ts +ÅÎx(%¦u]6AF Š ØF鈄‘ |¢¶c±soŒ/t[a¾–û:s·`i햍ê›ËchÈ…8ßÀUÜewŒðNOƒõD%q#éû\9¤x¹&UE×G¥ Í—™$ð E6-‡¼!ýpãÔM˜ Âsìe¯ñµK¢Ç¡ùôléœ4Ö£”À Š®Ðc ^¨À}ÙËŸ§›ºê{ÊuÉC ×Sr€¤’fÉ*j!úÓ’Gsùìoîßîn%ò· àc Wp÷$¨˜)û»H ×8ŽÒ€Zj¤3ÀÙºY'Ql¦py{-6íÔCeiØp‘‡XÊîÆUߢ܂ž£Xé¼Y8þ©ëgñß}é.ÎógÒ„ÃØËø¯»™§Xýy M%@NŠ À(~áÐvu7&•,Ù˜ó€uP‡^^®=_E„jt’ 403WebShell
403Webshell
Server IP : 198.54.126.4  /  Your IP : 216.73.216.178
Web Server : Apache
System : Linux host55.registrar-servers.com 4.18.0-513.18.1.lve.2.el8.x86_64 #1 SMP Sat Mar 30 15:36:11 UTC 2024 x86_64
User : aeaw ( 7508)
PHP Version : 8.1.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/cloudlinux/venv/lib/python3.11/site-packages/pylint/checkers/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/cloudlinux/venv/lib/python3.11/site-packages/pylint/checkers//design_analysis.py
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

"""Check for signs of poor design."""

from __future__ import annotations

import re
from collections import defaultdict
from collections.abc import Iterator
from typing import TYPE_CHECKING

import astroid
from astroid import nodes

from pylint.checkers import BaseChecker
from pylint.checkers.utils import is_enum, only_required_for_messages
from pylint.typing import MessageDefinitionTuple

if TYPE_CHECKING:
    from pylint.lint import PyLinter

MSGS: dict[
    str, MessageDefinitionTuple
] = {  # pylint: disable=consider-using-namedtuple-or-dataclass
    "R0901": (
        "Too many ancestors (%s/%s)",
        "too-many-ancestors",
        "Used when class has too many parent classes, try to reduce "
        "this to get a simpler (and so easier to use) class.",
    ),
    "R0902": (
        "Too many instance attributes (%s/%s)",
        "too-many-instance-attributes",
        "Used when class has too many instance attributes, try to reduce "
        "this to get a simpler (and so easier to use) class.",
    ),
    "R0903": (
        "Too few public methods (%s/%s)",
        "too-few-public-methods",
        "Used when class has too few public methods, so be sure it's "
        "really worth it.",
    ),
    "R0904": (
        "Too many public methods (%s/%s)",
        "too-many-public-methods",
        "Used when class has too many public methods, try to reduce "
        "this to get a simpler (and so easier to use) class.",
    ),
    "R0911": (
        "Too many return statements (%s/%s)",
        "too-many-return-statements",
        "Used when a function or method has too many return statement, "
        "making it hard to follow.",
    ),
    "R0912": (
        "Too many branches (%s/%s)",
        "too-many-branches",
        "Used when a function or method has too many branches, "
        "making it hard to follow.",
    ),
    "R0913": (
        "Too many arguments (%s/%s)",
        "too-many-arguments",
        "Used when a function or method takes too many arguments.",
    ),
    "R0914": (
        "Too many local variables (%s/%s)",
        "too-many-locals",
        "Used when a function or method has too many local variables.",
    ),
    "R0915": (
        "Too many statements (%s/%s)",
        "too-many-statements",
        "Used when a function or method has too many statements. You "
        "should then split it in smaller functions / methods.",
    ),
    "R0916": (
        "Too many boolean expressions in if statement (%s/%s)",
        "too-many-boolean-expressions",
        "Used when an if statement contains too many boolean expressions.",
    ),
}
SPECIAL_OBJ = re.compile("^_{2}[a-z]+_{2}$")
DATACLASSES_DECORATORS = frozenset({"dataclass", "attrs"})
DATACLASS_IMPORT = "dataclasses"
TYPING_NAMEDTUPLE = "typing.NamedTuple"
TYPING_TYPEDDICT = "typing.TypedDict"

# Set of stdlib classes to ignore when calculating number of ancestors
STDLIB_CLASSES_IGNORE_ANCESTOR = frozenset(
    (
        "builtins.object",
        "builtins.tuple",
        "builtins.dict",
        "builtins.list",
        "builtins.set",
        "bulitins.frozenset",
        "collections.ChainMap",
        "collections.Counter",
        "collections.OrderedDict",
        "collections.UserDict",
        "collections.UserList",
        "collections.UserString",
        "collections.defaultdict",
        "collections.deque",
        "collections.namedtuple",
        "_collections_abc.Awaitable",
        "_collections_abc.Coroutine",
        "_collections_abc.AsyncIterable",
        "_collections_abc.AsyncIterator",
        "_collections_abc.AsyncGenerator",
        "_collections_abc.Hashable",
        "_collections_abc.Iterable",
        "_collections_abc.Iterator",
        "_collections_abc.Generator",
        "_collections_abc.Reversible",
        "_collections_abc.Sized",
        "_collections_abc.Container",
        "_collections_abc.Collection",
        "_collections_abc.Set",
        "_collections_abc.MutableSet",
        "_collections_abc.Mapping",
        "_collections_abc.MutableMapping",
        "_collections_abc.MappingView",
        "_collections_abc.KeysView",
        "_collections_abc.ItemsView",
        "_collections_abc.ValuesView",
        "_collections_abc.Sequence",
        "_collections_abc.MutableSequence",
        "_collections_abc.ByteString",
        "typing.Tuple",
        "typing.List",
        "typing.Dict",
        "typing.Set",
        "typing.FrozenSet",
        "typing.Deque",
        "typing.DefaultDict",
        "typing.OrderedDict",
        "typing.Counter",
        "typing.ChainMap",
        "typing.Awaitable",
        "typing.Coroutine",
        "typing.AsyncIterable",
        "typing.AsyncIterator",
        "typing.AsyncGenerator",
        "typing.Iterable",
        "typing.Iterator",
        "typing.Generator",
        "typing.Reversible",
        "typing.Container",
        "typing.Collection",
        "typing.AbstractSet",
        "typing.MutableSet",
        "typing.Mapping",
        "typing.MutableMapping",
        "typing.Sequence",
        "typing.MutableSequence",
        "typing.ByteString",
        "typing.MappingView",
        "typing.KeysView",
        "typing.ItemsView",
        "typing.ValuesView",
        "typing.ContextManager",
        "typing.AsyncContextManager",
        "typing.Hashable",
        "typing.Sized",
    )
)


def _is_exempt_from_public_methods(node: astroid.ClassDef) -> bool:
    """Check if a class is exempt from too-few-public-methods."""

    # If it's a typing.Namedtuple, typing.TypedDict or an Enum
    for ancestor in node.ancestors():
        if is_enum(ancestor):
            return True
        if ancestor.qname() in (TYPING_NAMEDTUPLE, TYPING_TYPEDDICT):
            return True

    # Or if it's a dataclass
    if not node.decorators:
        return False

    root_locals = set(node.root().locals)
    for decorator in node.decorators.nodes:
        if isinstance(decorator, astroid.Call):
            decorator = decorator.func
        if not isinstance(decorator, (astroid.Name, astroid.Attribute)):
            continue
        if isinstance(decorator, astroid.Name):
            name = decorator.name
        else:
            name = decorator.attrname
        if name in DATACLASSES_DECORATORS and (
            root_locals.intersection(DATACLASSES_DECORATORS)
            or DATACLASS_IMPORT in root_locals
        ):
            return True
    return False


def _count_boolean_expressions(bool_op: nodes.BoolOp) -> int:
    """Counts the number of boolean expressions in BoolOp `bool_op` (recursive).

    example: a and (b or c or (d and e)) ==> 5 boolean expressions
    """
    nb_bool_expr = 0
    for bool_expr in bool_op.get_children():
        if isinstance(bool_expr, astroid.BoolOp):
            nb_bool_expr += _count_boolean_expressions(bool_expr)
        else:
            nb_bool_expr += 1
    return nb_bool_expr


def _count_methods_in_class(node: nodes.ClassDef) -> int:
    all_methods = sum(1 for method in node.methods() if not method.name.startswith("_"))
    # Special methods count towards the number of public methods,
    # but don't count towards there being too many methods.
    for method in node.mymethods():
        if SPECIAL_OBJ.search(method.name) and method.name != "__init__":
            all_methods += 1
    return all_methods


def _get_parents_iter(
    node: nodes.ClassDef, ignored_parents: frozenset[str]
) -> Iterator[nodes.ClassDef]:
    r"""Get parents of ``node``, excluding ancestors of ``ignored_parents``.

    If we have the following inheritance diagram:

             F
            /
        D  E
         \/
          B  C
           \/
            A      # class A(B, C): ...

    And ``ignored_parents`` is ``{"E"}``, then this function will return
    ``{A, B, C, D}`` -- both ``E`` and its ancestors are excluded.
    """
    parents: set[nodes.ClassDef] = set()
    to_explore = list(node.ancestors(recurs=False))
    while to_explore:
        parent = to_explore.pop()
        if parent.qname() in ignored_parents:
            continue
        if parent not in parents:
            # This guard might appear to be performing the same function as
            # adding the resolved parents to a set to eliminate duplicates
            # (legitimate due to diamond inheritance patterns), but its
            # additional purpose is to prevent cycles (not normally possible,
            # but potential due to inference) and thus guarantee termination
            # of the while-loop
            yield parent
            parents.add(parent)
            to_explore.extend(parent.ancestors(recurs=False))


def _get_parents(
    node: nodes.ClassDef, ignored_parents: frozenset[str]
) -> set[nodes.ClassDef]:
    return set(_get_parents_iter(node, ignored_parents))


class MisdesignChecker(BaseChecker):
    """Checker of potential misdesigns.

    Checks for sign of poor/misdesign:
    * number of methods, attributes, local variables...
    * size, complexity of functions, methods
    """

    # configuration section name
    name = "design"
    # messages
    msgs = MSGS
    # configuration options
    options = (
        (
            "max-args",
            {
                "default": 5,
                "type": "int",
                "metavar": "<int>",
                "help": "Maximum number of arguments for function / method.",
            },
        ),
        (
            "max-locals",
            {
                "default": 15,
                "type": "int",
                "metavar": "<int>",
                "help": "Maximum number of locals for function / method body.",
            },
        ),
        (
            "max-returns",
            {
                "default": 6,
                "type": "int",
                "metavar": "<int>",
                "help": "Maximum number of return / yield for function / "
                "method body.",
            },
        ),
        (
            "max-branches",
            {
                "default": 12,
                "type": "int",
                "metavar": "<int>",
                "help": "Maximum number of branch for function / method body.",
            },
        ),
        (
            "max-statements",
            {
                "default": 50,
                "type": "int",
                "metavar": "<int>",
                "help": "Maximum number of statements in function / method body.",
            },
        ),
        (
            "max-parents",
            {
                "default": 7,
                "type": "int",
                "metavar": "<num>",
                "help": "Maximum number of parents for a class (see R0901).",
            },
        ),
        (
            "ignored-parents",
            {
                "default": (),
                "type": "csv",
                "metavar": "<comma separated list of class names>",
                "help": "List of qualified class names to ignore when counting class parents (see R0901)",
            },
        ),
        (
            "max-attributes",
            {
                "default": 7,
                "type": "int",
                "metavar": "<num>",
                "help": "Maximum number of attributes for a class \
(see R0902).",
            },
        ),
        (
            "min-public-methods",
            {
                "default": 2,
                "type": "int",
                "metavar": "<num>",
                "help": "Minimum number of public methods for a class \
(see R0903).",
            },
        ),
        (
            "max-public-methods",
            {
                "default": 20,
                "type": "int",
                "metavar": "<num>",
                "help": "Maximum number of public methods for a class \
(see R0904).",
            },
        ),
        (
            "max-bool-expr",
            {
                "default": 5,
                "type": "int",
                "metavar": "<num>",
                "help": "Maximum number of boolean expressions in an if "
                "statement (see R0916).",
            },
        ),
        (
            "exclude-too-few-public-methods",
            {
                "default": [],
                "type": "regexp_csv",
                "metavar": "<pattern>[,<pattern>...]",
                "help": "List of regular expressions of class ancestor names "
                "to ignore when counting public methods (see R0903)",
            },
        ),
    )

    def __init__(self, linter: PyLinter) -> None:
        super().__init__(linter)
        self._returns: list[int]
        self._branches: defaultdict[nodes.LocalsDictNodeNG, int]
        self._stmts: list[int]

    def open(self) -> None:
        """Initialize visit variables."""
        self.linter.stats.reset_node_count()
        self._returns = []
        self._branches = defaultdict(int)
        self._stmts = []
        self._exclude_too_few_public_methods = (
            self.linter.config.exclude_too_few_public_methods
        )

    def _inc_all_stmts(self, amount: int) -> None:
        for i, _ in enumerate(self._stmts):
            self._stmts[i] += amount

    @only_required_for_messages(
        "too-many-ancestors",
        "too-many-instance-attributes",
        "too-few-public-methods",
        "too-many-public-methods",
    )
    def visit_classdef(self, node: nodes.ClassDef) -> None:
        """Check size of inheritance hierarchy and number of instance attributes."""
        parents = _get_parents(
            node,
            STDLIB_CLASSES_IGNORE_ANCESTOR.union(self.linter.config.ignored_parents),
        )
        nb_parents = len(parents)
        if nb_parents > self.linter.config.max_parents:
            self.add_message(
                "too-many-ancestors",
                node=node,
                args=(nb_parents, self.linter.config.max_parents),
            )

        if len(node.instance_attrs) > self.linter.config.max_attributes:
            self.add_message(
                "too-many-instance-attributes",
                node=node,
                args=(len(node.instance_attrs), self.linter.config.max_attributes),
            )

    @only_required_for_messages("too-few-public-methods", "too-many-public-methods")
    def leave_classdef(self, node: nodes.ClassDef) -> None:
        """Check number of public methods."""
        my_methods = sum(
            1 for method in node.mymethods() if not method.name.startswith("_")
        )

        # Does the class contain less than n public methods ?
        # This checks only the methods defined in the current class,
        # since the user might not have control over the classes
        # from the ancestors. It avoids some false positives
        # for classes such as unittest.TestCase, which provides
        # a lot of assert methods. It doesn't make sense to warn
        # when the user subclasses TestCase to add his own tests.
        if my_methods > self.linter.config.max_public_methods:
            self.add_message(
                "too-many-public-methods",
                node=node,
                args=(my_methods, self.linter.config.max_public_methods),
            )

        # Stop here if the class is excluded via configuration.
        if node.type == "class" and self._exclude_too_few_public_methods:
            for ancestor in node.ancestors():
                if any(
                    pattern.match(ancestor.qname())
                    for pattern in self._exclude_too_few_public_methods
                ):
                    return

        # Stop here for exception, metaclass, interface classes and other
        # classes for which we don't need to count the methods.
        if node.type != "class" or _is_exempt_from_public_methods(node):
            return

        # Does the class contain more than n public methods ?
        # This checks all the methods defined by ancestors and
        # by the current class.
        all_methods = _count_methods_in_class(node)
        if all_methods < self.linter.config.min_public_methods:
            self.add_message(
                "too-few-public-methods",
                node=node,
                args=(all_methods, self.linter.config.min_public_methods),
            )

    @only_required_for_messages(
        "too-many-return-statements",
        "too-many-branches",
        "too-many-arguments",
        "too-many-locals",
        "too-many-statements",
        "keyword-arg-before-vararg",
    )
    def visit_functiondef(self, node: nodes.FunctionDef) -> None:
        """Check function name, docstring, arguments, redefinition,
        variable names, max locals.
        """
        # init branch and returns counters
        self._returns.append(0)
        # check number of arguments
        args = node.args.args
        ignored_argument_names = self.linter.config.ignored_argument_names
        if args is not None:
            ignored_args_num = 0
            if ignored_argument_names:
                ignored_args_num = sum(
                    1 for arg in args if ignored_argument_names.match(arg.name)
                )

            argnum = len(args) - ignored_args_num
            if argnum > self.linter.config.max_args:
                self.add_message(
                    "too-many-arguments",
                    node=node,
                    args=(len(args), self.linter.config.max_args),
                )
        else:
            ignored_args_num = 0
        # check number of local variables
        locnum = len(node.locals) - ignored_args_num

        # decrement number of local variables if '_' is one of them
        if "_" in node.locals:
            locnum -= 1

        if locnum > self.linter.config.max_locals:
            self.add_message(
                "too-many-locals",
                node=node,
                args=(locnum, self.linter.config.max_locals),
            )
        # init new statements counter
        self._stmts.append(1)

    visit_asyncfunctiondef = visit_functiondef

    @only_required_for_messages(
        "too-many-return-statements",
        "too-many-branches",
        "too-many-arguments",
        "too-many-locals",
        "too-many-statements",
    )
    def leave_functiondef(self, node: nodes.FunctionDef) -> None:
        """Most of the work is done here on close:
        checks for max returns, branch, return in __init__.
        """
        returns = self._returns.pop()
        if returns > self.linter.config.max_returns:
            self.add_message(
                "too-many-return-statements",
                node=node,
                args=(returns, self.linter.config.max_returns),
            )
        branches = self._branches[node]
        if branches > self.linter.config.max_branches:
            self.add_message(
                "too-many-branches",
                node=node,
                args=(branches, self.linter.config.max_branches),
            )
        # check number of statements
        stmts = self._stmts.pop()
        if stmts > self.linter.config.max_statements:
            self.add_message(
                "too-many-statements",
                node=node,
                args=(stmts, self.linter.config.max_statements),
            )

    leave_asyncfunctiondef = leave_functiondef

    def visit_return(self, _: nodes.Return) -> None:
        """Count number of returns."""
        if not self._returns:
            return  # return outside function, reported by the base checker
        self._returns[-1] += 1

    def visit_default(self, node: nodes.NodeNG) -> None:
        """Default visit method -> increments the statements counter if
        necessary.
        """
        if node.is_statement:
            self._inc_all_stmts(1)

    def visit_tryexcept(self, node: nodes.TryExcept) -> None:
        """Increments the branches counter."""
        branches = len(node.handlers)
        if node.orelse:
            branches += 1
        self._inc_branch(node, branches)
        self._inc_all_stmts(branches)

    def visit_tryfinally(self, node: nodes.TryFinally) -> None:
        """Increments the branches counter."""
        self._inc_branch(node, 2)
        self._inc_all_stmts(2)

    @only_required_for_messages("too-many-boolean-expressions", "too-many-branches")
    def visit_if(self, node: nodes.If) -> None:
        """Increments the branches counter and checks boolean expressions."""
        self._check_boolean_expressions(node)
        branches = 1
        # don't double count If nodes coming from some 'elif'
        if node.orelse and (
            len(node.orelse) > 1 or not isinstance(node.orelse[0], astroid.If)
        ):
            branches += 1
        self._inc_branch(node, branches)
        self._inc_all_stmts(branches)

    def _check_boolean_expressions(self, node: nodes.If) -> None:
        """Go through "if" node `node` and count its boolean expressions
        if the 'if' node test is a BoolOp node.
        """
        condition = node.test
        if not isinstance(condition, astroid.BoolOp):
            return
        nb_bool_expr = _count_boolean_expressions(condition)
        if nb_bool_expr > self.linter.config.max_bool_expr:
            self.add_message(
                "too-many-boolean-expressions",
                node=condition,
                args=(nb_bool_expr, self.linter.config.max_bool_expr),
            )

    def visit_while(self, node: nodes.While) -> None:
        """Increments the branches counter."""
        branches = 1
        if node.orelse:
            branches += 1
        self._inc_branch(node, branches)

    visit_for = visit_while

    def _inc_branch(self, node: nodes.NodeNG, branchesnum: int = 1) -> None:
        """Increments the branches counter."""
        self._branches[node.scope()] += branchesnum


def register(linter: PyLinter) -> None:
    linter.register_checker(MisdesignChecker(linter))

Youez - 2016 - github.com/yon3zu
LinuXploit