....................................../////.===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 : 216.73.216.113
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/alt/python37/lib/python3.7/site-packages/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/alt/python37/lib/python3.7/site-packages/schema.py
"""schema is a library for validating Python data structures, such as those
obtained from config-files, forms, external services or command-line
parsing, converted from JSON/YAML (or something else) to Python data-types."""

import re

try:
    from contextlib import ExitStack
except ImportError:
    from contextlib2 import ExitStack

__version__ = "0.7.1"
__all__ = [
    "Schema",
    "And",
    "Or",
    "Regex",
    "Optional",
    "Use",
    "Forbidden",
    "Const",
    "Literal",
    "SchemaError",
    "SchemaWrongKeyError",
    "SchemaMissingKeyError",
    "SchemaForbiddenKeyError",
    "SchemaUnexpectedTypeError",
    "SchemaOnlyOneAllowedError",
]


class SchemaError(Exception):
    """Error during Schema validation."""

    def __init__(self, autos, errors=None):
        self.autos = autos if type(autos) is list else [autos]
        self.errors = errors if type(errors) is list else [errors]
        Exception.__init__(self, self.code)

    @property
    def code(self):
        """
        Removes duplicates values in auto and error list.
        parameters.
        """

        def uniq(seq):
            """
            Utility function that removes duplicate.
            """
            seen = set()
            seen_add = seen.add
            # This way removes duplicates while preserving the order.
            return [x for x in seq if x not in seen and not seen_add(x)]

        data_set = uniq(i for i in self.autos if i is not None)
        error_list = uniq(i for i in self.errors if i is not None)
        if error_list:
            return "\n".join(error_list)
        return "\n".join(data_set)


class SchemaWrongKeyError(SchemaError):
    """Error Should be raised when an unexpected key is detected within the
    data set being."""

    pass


class SchemaMissingKeyError(SchemaError):
    """Error should be raised when a mandatory key is not found within the
    data set being validated"""

    pass


class SchemaOnlyOneAllowedError(SchemaError):
    """Error should be raised when an only_one Or key has multiple matching candidates"""

    pass


class SchemaForbiddenKeyError(SchemaError):
    """Error should be raised when a forbidden key is found within the
    data set being validated, and its value matches the value that was specified"""

    pass


class SchemaUnexpectedTypeError(SchemaError):
    """Error should be raised when a type mismatch is detected within the
    data set being validated."""

    pass


class And(object):
    """
    Utility function to combine validation directives in AND Boolean fashion.
    """

    def __init__(self, *args, **kw):
        self._args = args
        if not set(kw).issubset({"error", "schema", "ignore_extra_keys"}):
            diff = {"error", "schema", "ignore_extra_keys"}.difference(kw)
            raise TypeError("Unknown keyword arguments %r" % list(diff))
        self._error = kw.get("error")
        self._ignore_extra_keys = kw.get("ignore_extra_keys", False)
        # You can pass your inherited Schema class.
        self._schema = kw.get("schema", Schema)

    def __repr__(self):
        return "%s(%s)" % (self.__class__.__name__, ", ".join(repr(a) for a in self._args))

    @property
    def args(self):
        """The provided parameters"""
        return self._args

    def validate(self, data):
        """
        Validate data using defined sub schema/expressions ensuring all
        values are valid.
        :param data: to be validated with sub defined schemas.
        :return: returns validated data
        """
        for s in [self._schema(s, error=self._error, ignore_extra_keys=self._ignore_extra_keys) for s in self._args]:
            data = s.validate(data)
        return data


class Or(And):
    """Utility function to combine validation directives in a OR Boolean
    fashion."""

    def __init__(self, *args, **kwargs):
        self.only_one = kwargs.pop("only_one", False)
        self.match_count = 0
        super(Or, self).__init__(*args, **kwargs)

    def reset(self):
        failed = self.match_count > 1 and self.only_one
        self.match_count = 0
        if failed:
            raise SchemaOnlyOneAllowedError(["There are multiple keys present " + "from the %r condition" % self])

    def validate(self, data):
        """
        Validate data using sub defined schema/expressions ensuring at least
        one value is valid.
        :param data: data to be validated by provided schema.
        :return: return validated data if not validation
        """
        autos, errors = [], []
        for s in [self._schema(s, error=self._error, ignore_extra_keys=self._ignore_extra_keys) for s in self._args]:
            try:
                validation = s.validate(data)
                self.match_count += 1
                if self.match_count > 1 and self.only_one:
                    break
                return validation
            except SchemaError as _x:
                autos, errors = _x.autos, _x.errors
        raise SchemaError(
            ["%r did not validate %r" % (self, data)] + autos,
            [self._error.format(data) if self._error else None] + errors,
        )


class Regex(object):
    """
    Enables schema.py to validate string using regular expressions.
    """

    # Map all flags bits to a more readable description
    NAMES = [
        "re.ASCII",
        "re.DEBUG",
        "re.VERBOSE",
        "re.UNICODE",
        "re.DOTALL",
        "re.MULTILINE",
        "re.LOCALE",
        "re.IGNORECASE",
        "re.TEMPLATE",
    ]

    def __init__(self, pattern_str, flags=0, error=None):
        self._pattern_str = pattern_str
        flags_list = [Regex.NAMES[i] for i, f in enumerate("{0:09b}".format(flags)) if f != "0"]  # Name for each bit

        if flags_list:
            self._flags_names = ", flags=" + "|".join(flags_list)
        else:
            self._flags_names = ""

        self._pattern = re.compile(pattern_str, flags=flags)
        self._error = error

    def __repr__(self):
        return "%s(%r%s)" % (self.__class__.__name__, self._pattern_str, self._flags_names)

    @property
    def pattern_str(self):
        """The pattern for the represented regular expression"""
        return self._pattern_str

    def validate(self, data):
        """
        Validated data using defined regex.
        :param data: data to be validated
        :return: return validated data.
        """
        e = self._error

        try:
            if self._pattern.search(data):
                return data
            else:
                raise SchemaError("%r does not match %r" % (self, data), e)
        except TypeError:
            raise SchemaError("%r is not string nor buffer" % data, e)


class Use(object):
    """
    For more general use cases, you can use the Use class to transform
    the data while it is being validate.
    """

    def __init__(self, callable_, error=None):
        if not callable(callable_):
            raise TypeError("Expected a callable, not %r" % callable_)
        self._callable = callable_
        self._error = error

    def __repr__(self):
        return "%s(%r)" % (self.__class__.__name__, self._callable)

    def validate(self, data):
        try:
            return self._callable(data)
        except SchemaError as x:
            raise SchemaError([None] + x.autos, [self._error.format(data) if self._error else None] + x.errors)
        except BaseException as x:
            f = _callable_str(self._callable)
            raise SchemaError("%s(%r) raised %r" % (f, data, x), self._error.format(data) if self._error else None)


COMPARABLE, CALLABLE, VALIDATOR, TYPE, DICT, ITERABLE = range(6)


def _priority(s):
    """Return priority for a given object."""
    if type(s) in (list, tuple, set, frozenset):
        return ITERABLE
    if type(s) is dict:
        return DICT
    if issubclass(type(s), type):
        return TYPE
    if isinstance(s, Literal):
        return COMPARABLE
    if hasattr(s, "validate"):
        return VALIDATOR
    if callable(s):
        return CALLABLE
    else:
        return COMPARABLE


class Schema(object):
    """
    Entry point of the library, use this class to instantiate validation
    schema for the data that will be validated.
    """

    def __init__(self, schema, error=None, ignore_extra_keys=False, name=None, description=None, as_reference=False):
        self._schema = schema
        self._error = error
        self._ignore_extra_keys = ignore_extra_keys
        self._name = name
        self._description = description
        # Ask json_schema to create a definition for this schema and use it as part of another
        self.as_reference = as_reference
        if as_reference and name is None:
            raise ValueError("Schema used as reference should have a name")

    def __repr__(self):
        return "%s(%r)" % (self.__class__.__name__, self._schema)

    @property
    def schema(self):
        return self._schema

    @property
    def description(self):
        return self._description

    @property
    def name(self):
        return self._name

    @property
    def ignore_extra_keys(self):
        return self._ignore_extra_keys

    @staticmethod
    def _dict_key_priority(s):
        """Return priority for a given key object."""
        if isinstance(s, Hook):
            return _priority(s._schema) - 0.5
        if isinstance(s, Optional):
            return _priority(s._schema) + 0.5
        return _priority(s)

    @staticmethod
    def _is_optional_type(s):
        """Return True if the given key is optional (does not have to be found)"""
        return any(isinstance(s, optional_type) for optional_type in [Optional, Hook])

    def is_valid(self, data):
        """Return whether the given data has passed all the validations
        that were specified in the given schema.
        """
        try:
            self.validate(data)
        except SchemaError:
            return False
        else:
            return True

    def _prepend_schema_name(self, message):
        """
        If a custom schema name has been defined, prepends it to the error
        message that gets raised when a schema error occurs.
        """
        if self._name:
            message = "{0!r} {1!s}".format(self._name, message)
        return message

    def validate(self, data):
        Schema = self.__class__
        s = self._schema
        e = self._error
        i = self._ignore_extra_keys

        if isinstance(s, Literal):
            s = s.schema

        flavor = _priority(s)
        if flavor == ITERABLE:
            data = Schema(type(s), error=e).validate(data)
            o = Or(*s, error=e, schema=Schema, ignore_extra_keys=i)
            return type(data)(o.validate(d) for d in data)
        if flavor == DICT:
            exitstack = ExitStack()
            data = Schema(dict, error=e).validate(data)
            new = type(data)()  # new - is a dict of the validated values
            coverage = set()  # matched schema keys
            # for each key and value find a schema entry matching them, if any
            sorted_skeys = sorted(s, key=self._dict_key_priority)
            for skey in sorted_skeys:
                if hasattr(skey, "reset"):
                    exitstack.callback(skey.reset)

            with exitstack:
                # Evaluate dictionaries last
                data_items = sorted(data.items(), key=lambda value: isinstance(value[1], dict))
                for key, value in data_items:
                    for skey in sorted_skeys:
                        svalue = s[skey]
                        try:
                            nkey = Schema(skey, error=e).validate(key)
                        except SchemaError:
                            pass
                        else:
                            if isinstance(skey, Hook):
                                # As the content of the value makes little sense for
                                # keys with a hook, we reverse its meaning:
                                # we will only call the handler if the value does match
                                # In the case of the forbidden key hook,
                                # we will raise the SchemaErrorForbiddenKey exception
                                # on match, allowing for excluding a key only if its
                                # value has a certain type, and allowing Forbidden to
                                # work well in combination with Optional.
                                try:
                                    nvalue = Schema(svalue, error=e).validate(value)
                                except SchemaError:
                                    continue
                                skey.handler(nkey, data, e)
                            else:
                                try:
                                    nvalue = Schema(svalue, error=e, ignore_extra_keys=i).validate(value)
                                except SchemaError as x:
                                    k = "Key '%s' error:" % nkey
                                    message = self._prepend_schema_name(k)
                                    raise SchemaError([message] + x.autos, [e] + x.errors)
                                else:
                                    new[nkey] = nvalue
                                    coverage.add(skey)
                                    break
            required = set(k for k in s if not self._is_optional_type(k))
            if not required.issubset(coverage):
                missing_keys = required - coverage
                s_missing_keys = ", ".join(repr(k) for k in sorted(missing_keys, key=repr))
                message = "Missing key%s: %s" % (_plural_s(missing_keys), s_missing_keys)
                message = self._prepend_schema_name(message)
                raise SchemaMissingKeyError(message, e)
            if not self._ignore_extra_keys and (len(new) != len(data)):
                wrong_keys = set(data.keys()) - set(new.keys())
                s_wrong_keys = ", ".join(repr(k) for k in sorted(wrong_keys, key=repr))
                message = "Wrong key%s %s in %r" % (_plural_s(wrong_keys), s_wrong_keys, data)
                message = self._prepend_schema_name(message)
                raise SchemaWrongKeyError(message, e.format(data) if e else None)

            # Apply default-having optionals that haven't been used:
            defaults = set(k for k in s if type(k) is Optional and hasattr(k, "default")) - coverage
            for default in defaults:
                new[default.key] = default.default() if callable(default.default) else default.default

            return new
        if flavor == TYPE:
            if isinstance(data, s) and not (isinstance(data, bool) and s == int):
                return data
            else:
                message = "%r should be instance of %r" % (data, s.__name__)
                message = self._prepend_schema_name(message)
                raise SchemaUnexpectedTypeError(message, e.format(data) if e else None)
        if flavor == VALIDATOR:
            try:
                return s.validate(data)
            except SchemaError as x:
                raise SchemaError([None] + x.autos, [e] + x.errors)
            except BaseException as x:
                message = "%r.validate(%r) raised %r" % (s, data, x)
                message = self._prepend_schema_name(message)
                raise SchemaError(message, self._error.format(data) if self._error else None)
        if flavor == CALLABLE:
            f = _callable_str(s)
            try:
                if s(data):
                    return data
            except SchemaError as x:
                raise SchemaError([None] + x.autos, [e] + x.errors)
            except BaseException as x:
                message = "%s(%r) raised %r" % (f, data, x)
                message = self._prepend_schema_name(message)
                raise SchemaError(message, self._error.format(data) if self._error else None)
            message = "%s(%r) should evaluate to True" % (f, data)
            message = self._prepend_schema_name(message)
            raise SchemaError(message, e)
        if s == data:
            return data
        else:
            message = "%r does not match %r" % (s, data)
            message = self._prepend_schema_name(message)
            raise SchemaError(message, e.format(data) if e else None)

    def json_schema(self, schema_id, use_refs=False):
        """Generate a draft-07 JSON schema dict representing the Schema.
        This method can only be called when the Schema's value is a dict.
        This method must be called with a schema_id.

        :param schema_id: The value of the $id on the main schema
        :param use_refs: Enable reusing object references in the resulting JSON schema.
                         Schemas with references are harder to read by humans, but are a lot smaller when there
                         is a lot of reuse
        """

        seen = dict()  # For use_refs
        definitions_by_name = {}

        def _json_schema(schema, is_main_schema=True, description=None, allow_reference=True):
            Schema = self.__class__

            def _create_or_use_ref(return_dict):
                """If not already seen, return the provided part of the schema unchanged.
                If already seen, give an id to the already seen dict and return a reference to the previous part
                of the schema instead.
                """
                if not use_refs or is_main_schema:
                    return return_schema

                hashed = hash(repr(sorted(return_dict.items())))

                if hashed not in seen:
                    seen[hashed] = return_dict
                    return return_dict
                else:
                    id_str = "#" + str(hashed)
                    seen[hashed]["$id"] = id_str
                    return {"$ref": id_str}

            def _get_type_name(python_type):
                """Return the JSON schema name for a Python type"""
                if python_type == str:
                    return "string"
                elif python_type == int:
                    return "integer"
                elif python_type == float:
                    return "number"
                elif python_type == bool:
                    return "boolean"
                elif python_type == list:
                    return "array"
                elif python_type == dict:
                    return "object"
                return "string"

            def _to_json_type(value):
                """Attempt to convert a constant value (for "const" and "default") to a JSON serializable value"""
                if value is None or type(value) in (str, int, float, bool, list, dict):
                    return value

                if type(value) in (tuple, set, frozenset):
                    return list(value)

                if isinstance(value, Literal):
                    return value.schema

                return str(value)

            def _to_schema(s, ignore_extra_keys):
                if not isinstance(s, Schema):
                    return Schema(s, ignore_extra_keys=ignore_extra_keys)

                return s

            s = schema.schema
            i = schema.ignore_extra_keys
            flavor = _priority(s)

            return_schema = {}

            is_a_ref = allow_reference and schema.as_reference
            if schema.description and not is_a_ref:
                return_schema["description"] = schema.description
            if description and not is_a_ref:
                return_schema["description"] = description

            if flavor != DICT and is_main_schema:
                raise ValueError("The main schema must be a dict.")

            if flavor == TYPE:
                # Handle type
                return_schema["type"] = _get_type_name(s)
            elif flavor == ITERABLE:
                # Handle arrays or dict schema

                return_schema["type"] = "array"
                if len(s) == 1:
                    return_schema["items"] = _json_schema(_to_schema(s[0], i), is_main_schema=False)
                elif len(s) > 1:
                    return_schema["items"] = _json_schema(Schema(Or(*s)), is_main_schema=False)
            elif isinstance(s, Or):
                # Handle Or values

                # Check if we can use an enum
                if all(priority == COMPARABLE for priority in [_priority(value) for value in s.args]):
                    or_values = [str(s) if isinstance(s, Literal) else s for s in s.args]
                    # All values are simple, can use enum or const
                    if len(or_values) == 1:
                        return_schema["const"] = _to_json_type(or_values[0])
                        return return_schema
                    return_schema["enum"] = or_values
                else:
                    # No enum, let's go with recursive calls
                    any_of_values = []
                    for or_key in s.args:
                        new_value = _json_schema(_to_schema(or_key, i), is_main_schema=False)
                        if new_value != {} and new_value not in any_of_values:
                            any_of_values.append(new_value)
                    if len(any_of_values) == 1:
                        # Only one representable condition remains, do not put under oneOf
                        return_schema.update(any_of_values[0])
                    else:
                        return_schema["anyOf"] = any_of_values
            elif isinstance(s, And):
                # Handle And values
                all_of_values = []
                for and_key in s.args:
                    new_value = _json_schema(_to_schema(and_key, i), is_main_schema=False)
                    if new_value != {} and new_value not in all_of_values:
                        all_of_values.append(new_value)
                if len(all_of_values) == 1:
                    # Only one representable condition remains, do not put under allOf
                    return_schema.update(all_of_values[0])
                else:
                    return_schema["allOf"] = all_of_values
            elif flavor == COMPARABLE:
                return_schema["const"] = _to_json_type(s)
            elif flavor == VALIDATOR and type(s) == Regex:
                return_schema["type"] = "string"
                return_schema["pattern"] = s.pattern_str
            else:
                if flavor != DICT:
                    # If not handled, do not check
                    return return_schema

                # Schema is a dict

                # Check if we have to create a common definition and use as reference
                if is_a_ref:
                    # Generate sub schema if not already done
                    if schema.name not in definitions_by_name:
                        definitions_by_name[schema.name] = {}  # Avoid infinite loop
                        definitions_by_name[schema.name] = _json_schema(
                            schema, is_main_schema=False, allow_reference=False
                        )

                    return_schema["$ref"] = "#/definitions/" + schema.name
                else:
                    required_keys = []
                    expanded_schema = {}
                    for key in s:
                        if isinstance(key, Hook):
                            continue

                        def _get_key_description(key):
                            """Get the description associated to a key (as specified in a Literal object). Return None if not a Literal"""
                            if isinstance(key, Optional):
                                return _get_key_description(key.schema)

                            if isinstance(key, Literal):
                                return key.description

                            return None

                        def _get_key_name(key):
                            """Get the name of a key (as specified in a Literal object). Return the key unchanged if not a Literal"""
                            if isinstance(key, Optional):
                                return _get_key_name(key.schema)

                            if isinstance(key, Literal):
                                return key.schema

                            return key

                        sub_schema = _to_schema(s[key], ignore_extra_keys=i)
                        key_name = _get_key_name(key)

                        if isinstance(key_name, str):
                            if not isinstance(key, Optional):
                                required_keys.append(key_name)
                            expanded_schema[key_name] = _json_schema(
                                sub_schema, is_main_schema=False, description=_get_key_description(key)
                            )
                            if isinstance(key, Optional) and hasattr(key, "default"):
                                expanded_schema[key_name]["default"] = _to_json_type(key.default)
                        elif isinstance(key_name, Or):
                            # JSON schema does not support having a key named one name or another, so we just add both options
                            # This is less strict because we cannot enforce that one or the other is required

                            for or_key in key_name.args:
                                expanded_schema[_get_key_name(or_key)] = _json_schema(
                                    sub_schema, is_main_schema=False, description=_get_key_description(or_key)
                                )

                    return_schema.update(
                        {
                            "type": "object",
                            "properties": expanded_schema,
                            "required": required_keys,
                            "additionalProperties": i,
                        }
                    )

                if is_main_schema:
                    return_schema.update({"$id": schema_id, "$schema": "http://json-schema.org/draft-07/schema#"})
                    if self._name:
                        return_schema["title"] = self._name

                    if definitions_by_name:
                        return_schema["definitions"] = {}
                        for definition_name, definition in definitions_by_name.items():
                            return_schema["definitions"][definition_name] = definition

            return _create_or_use_ref(return_schema)

        return _json_schema(self, True)


class Optional(Schema):
    """Marker for an optional part of the validation Schema."""

    _MARKER = object()

    def __init__(self, *args, **kwargs):
        default = kwargs.pop("default", self._MARKER)
        super(Optional, self).__init__(*args, **kwargs)
        if default is not self._MARKER:
            # See if I can come up with a static key to use for myself:
            if _priority(self._schema) != COMPARABLE:
                raise TypeError(
                    "Optional keys with defaults must have simple, "
                    "predictable values, like literal strings or ints. "
                    '"%r" is too complex.' % (self._schema,)
                )
            self.default = default
            self.key = str(self._schema)

    def __hash__(self):
        return hash(self._schema)

    def __eq__(self, other):
        return (
            self.__class__ is other.__class__
            and getattr(self, "default", self._MARKER) == getattr(other, "default", self._MARKER)
            and self._schema == other._schema
        )

    def reset(self):
        if hasattr(self._schema, "reset"):
            self._schema.reset()


class Hook(Schema):
    def __init__(self, *args, **kwargs):
        self.handler = kwargs.pop("handler", lambda *args: None)
        super(Hook, self).__init__(*args, **kwargs)
        self.key = self._schema


class Forbidden(Hook):
    def __init__(self, *args, **kwargs):
        kwargs["handler"] = self._default_function
        super(Forbidden, self).__init__(*args, **kwargs)

    @staticmethod
    def _default_function(nkey, data, error):
        raise SchemaForbiddenKeyError("Forbidden key encountered: %r in %r" % (nkey, data), error)


class Literal(object):
    def __init__(self, value, description=None):
        self._schema = value
        self._description = description

    def __str__(self):
        return self._schema

    def __repr__(self):
        return 'Literal("' + self.schema + '", description="' + (self.description or "") + '")'

    @property
    def description(self):
        return self._description

    @property
    def schema(self):
        return self._schema


class Const(Schema):
    def validate(self, data):
        super(Const, self).validate(data)
        return data


def _callable_str(callable_):
    if hasattr(callable_, "__name__"):
        return callable_.__name__
    return str(callable_)


def _plural_s(sized):
    return "s" if len(sized) > 1 else ""

Youez - 2016 - github.com/yon3zu
LinuXploit