Ë
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ñúhí' ã ó d Z ddlmZ ddlZddlmZmZmZmZ ddl m
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Z
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m Z G d d« Z G d d
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e « Z G d d e « Z G d de « Zee ef Zeeeef Zeeed f Zeedeef Z G d de« Zd$dZd%dZ d&dZ d'dZd(dZd(dZd)dZ d)dZ d*dZ d+d Z d+d Z d,d Z!d-d Z"d.d Z#d/d!Z$d0d"Z%d1d#Z&y)2zHandwritten parser of dependency specifiers.
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The docstring for each __parse_* function contains EBNF-inspired grammar representing
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the implementation.
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é )Ú annotationsN)Ú
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NamedTupleÚSequenceÚTupleÚUnioné )Ú DEFAULT_RULESÚ Tokenizerc ó, e Zd ZddZddZddZddZy)ÚNodec ó || _ y ©N©Úvalue)Úselfr s úPH:\Change_password\venv_build\Lib\site-packages\pip/_vendor/packaging/_parser.pyÚ__init__z Node.__init__ s Ø
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ó c ó | j S r r ©r s r Ú__str__z Node.__str__ s ØzzÐr c ó< d| j j d| dS )Nú<z('z')>)Ú __class__Ú__name__r s r Ú__repr__z Node.__repr__ s" Ø4>>×*Ñ*Ð+¨2¨d¨V°3Ð7Ð7r c ó t r )ÚNotImplementedErrorr s r Ú serializezNode.serialize s Ü!Ð!r N)r ÚstrÚreturnÚNone©r! r )r Ú
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__module__Ú __qualname__r r r r © r r r r s óóó8ô"r r c ó e Zd ZddZy)ÚVariablec ó t | « S r ©r r s r r zVariable.serialize ó Ü4yÐr Nr# ©r r$ r% r r& r r r( r( ó ôr r( c ó e Zd ZddZy)ÚValuec ó d| dS )Nú"r& r s r r zValue.serialize# s Ø4&{Ðr Nr# r, r& r r r/ r/ " s ôr r/ c ó e Zd ZddZy)ÚOpc ó t | « S r r* r s r r z Op.serialize( r+ r Nr# r, r& r r r3 r3 ' r- r r3 Ú
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MarkerAtomÚ
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MarkerListc ó@ e Zd ZU ded< ded< ded< ded< ded< y )
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ÚParsedRequirementr ÚnameÚurlú list[str]ÚextrasÚ specifierzMarkerList | NoneÚmarkerN)r r$ r% Ú__annotations__r& r r r8 r8 2 s
Ø
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IØ HØ ÓØNØ Ô r r8 c ó6 t t | t ¬« « S ©N)Úrules)Ú_parse_requirementr
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r ©Úsources r Úparse_requirementrF = ó Ü i¨´mÔ DÓ EÐEr c ó | j d« | j dd¬« }|j }| j d« t | « }| j d« t | « \ }}}| j dd¬« t |||||« S )zI
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requirement = WS? IDENTIFIER WS? extras WS? requirement_details
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ÚWSÚ
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IDENTIFIERz1package name at the start of dependency specifier©ÚexpectedÚENDzend of dependency specifier)ÚconsumeÚexpectÚtextÚ _parse_extrasÚ_parse_requirement_detailsr8 )Ú tokenizerÚ
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name_tokenr9 r< r: r= r> s r rC rC A s ð ×ÑdÔà×!Ñ!ØÐ Rð "ó Jð ??DØ ×ÑdÔä 9Ó %FØ ×ÑdÔä 7¸ Ó BÑCFØ ×ÑUÐ%BÐÔCä T 3¨° ¸6Ó BÐBr c ó d}d}d}| j d« r| j « | j d« | j }| j dd¬« j
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}| j dd ¬
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« r|||fS | j dd ¬« | j dd ¬
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« r|||fS t | |d ¬ « }nR| j }t | « }| j d« | j dd ¬
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« r|||fS t | ||rdnd¬ « }|||fS )z~
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requirement_details = AT URL (WS requirement_marker?)?
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| specifier WS? (requirement_marker)?
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Ú NÚATrI ÚURLz URL after @rK rM T©Úpeekzwhitespace after URLzURL and whitespace)Ú
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span_startÚafterúversion specifierz#name and no valid version specifier)ÚcheckÚreadrN ÚpositionrO rP Ú_parse_requirement_markerÚ_parse_specifier)rS r= r: r> Ú url_startÚspecifier_starts r rR rR V s- ð IØ
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CØ FàtÔ ØÔØ×Ñ$Ô à ×&Ñ& Ø× Ñ u¨}Ð Ó=×BÑBØ ??5 t?Ô ,Ø FÐ+Ð +à×ÑÐ(>ÐÔ?ð ??5 t?Ô ,Ø FÐ+Ð +ä*Ø )Ð3Gô
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ð $×,Ñ,Ü$ YÓ/ Ø×Ñ$Ô à ??5 t?Ô ,Ø FÐ+Ð +ä*Ø Ø&ñ ñ $à:ô
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ð FÐ #Ð#r c ó® | j d« s| j d| d|¬« | j « t | « }| j d« |S )z3
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requirement_marker = SEMICOLON marker WS?
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Ú SEMICOLONz!Expected end or semicolon (after ú))r[ rI )r^ Úraise_syntax_errorr_ Ú _parse_markerrN )rS r[ r\ r> s r ra ra s[ ð ??;Ô 'Ø×$Ñ$Ø/°¨w°aÐ 8Ø!ð %ô
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ð NNÔä 9Ó %FØ ×ÑdÔà Mr c óÞ | j dd¬« sg S | j ddd¬« 5 | j d« t | « }| j d« ddd« |S # 1 sw Y S xY w) zG
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extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)?
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Ú LEFT_BRACKETTrY Ú RIGHT_BRACKETr< ©ÚaroundrI N)r^ Úenclosing_tokensrN Ú_parse_extras_list)rS r< s r rQ rQ s{ ð ??>°?Ô 5Ø à × #Ñ #ØØØð
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$ó
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ñ ð
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×Ñ$Ô Ü# IÓ.Ø×Ñ$Ô ÷ ð M÷ ð Mús ª.A"Á"A,c ó´ g }| j d« s|S |j | j « j « | j d« | j dd¬« r| j d« n| j d« s |S | j « | j d« | j dd¬« }|j |j « ) z>
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extras_list = identifier (wsp* ',' wsp* identifier)*
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rJ TrI rY z"Expected comma between extra namesÚCOMMAzextra name after commarK )r^ Úappendr_ rP rN rh rO )rS r< Ú extra_tokens r rp rp ° sÀ ð Fà ??<Ô (Ø à
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MM)..Ó"×'Ñ'Ô(à
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Ø×Ñ$Ô Ø ??<¨d?Ô 3Ø × (Ñ (Ð)MÕ NØ Ô)Ø ð Mð ÔØ×Ñ$Ô à ×&Ñ& |Ð>VÐ&ÓW Ø k×&Ñ&Ô'ð r c ó´ | j ddd¬« 5 | j d« t | « }| j d« ddd« |S # 1 sw Y S xY w)zr
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specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS
|
| WS? version_many WS?
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ÚLEFT_PARENTHESISÚRIGHT_PARENTHESISr] rm rI N)ro rN Ú_parse_version_many)rS Úparsed_specifierss r rb rb Ë si ð
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× #Ñ #ØØØ"ð
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$ó
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ñ ð
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×Ñ$Ô Ü /° Ó :ÐØ×Ñ$Ô ÷ ð Ð ÷ ð Ð ús .A Á Ac ó d}| j d« ró| j }|| j « j z }| j dd¬« r!| j d|| j dz ¬« | j d d¬« r | j d
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|| j ¬« | j d « | j d « s |S || j « j z }| j d « | j d« ró|S ) z@
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version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
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rV Ú SPECIFIERÚVERSION_PREFIX_TRAILTrY z6.* suffix can only be used with `==` or `!=` operatorsr )r[ Úspan_endÚVERSION_LOCAL_LABEL_TRAILz@Local version label can only be used with `==` or `!=` operatorsrI rr )r^ r` r_ rP rh rN )rS ry r[ s r rx rx Ü s ð ÐØ
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//+Ô
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&Ø ×'Ñ'
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ØY^^Ó -× 2Ñ 2Ñ2ÐØ ??Ð1¸?Ô =Ø × (Ñ (ØHØ%Ø"×+Ñ+¨aÑ/ð )ô ð
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??Ð6¸T?Ô BØ × (Ñ (ØRØ%Ø"×+Ñ+ð )ô ð
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×Ñ$Ô ØwÔ'Ø ð Ð ð Y^^Ó -× 2Ñ 2Ñ2ÐØ×Ñ$Ô ð' //+Õ
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&ð* Ð r c ó6 t t | t ¬« « S rA )Ú_parse_full_markerr
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r rD s r Ú parse_markerr ü rG r c óB t | « }| j dd¬« |S )NrM zend of marker expressionrK )ri rO )rS Úretvals r r r s% Ü 9Ó %FØ ×ÑUÐ%?ÐÔ@Ø Mr c óÔ t | « g}| j d« rJ| j « }t | « }|j |j |f« | j d« rJ|S )z4
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marker = marker_atom (BOOLOP marker_atom)+
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ÚBOOLOP)Ú_parse_marker_atomr^ r_ ÚextendrP )rS Ú
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expressionÚtokenÚ
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expr_rights r ri ri s` ô % YÓ/Ð0JØ
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//(Ô
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#ØÓ Ü'¨ Ó2
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Ø×Ñ5:: zÐ2Ô3ð //(Õ
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#ð Ðr c ó4 | j d« | j dd¬« rK| j ddd¬« 5 | j d« t | « }| j d« ddd« n t | « }| j d« S # 1 sw Y xY w) zw
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marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS?
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| WS? marker_item WS?
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rI rv TrY rw zmarker expressionrm N)rN r^ ro ri Ú_parse_marker_item)rS r> s r r r s ð ×ÑdÔØÐ)°Ô5Ø × 'Ñ 'Ø Ø Ø&ð (ó
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ñ $ð
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× Ñ dÔ #Ü!.¨yÓ!9FØ × Ñ dÔ #÷ $ð $ô $ IÓ.Ø ×ÑdÔØ M÷ $ð $ús ¹.BÂBc óÖ | j d« t | « }| j d« t | « }| j d« t | « }| j d« |||fS )zG
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marker_item = WS? marker_var WS? marker_op WS? marker_var WS?
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rI )rN Ú_parse_marker_varÚ_parse_marker_op)rS Úmarker_var_leftÚ marker_opÚmarker_var_rights r r r ( si ð ×ÑdÔÜ'¨ Ó2OØ ×ÑdÔÜ Ó+IØ ×ÑdÔÜ(¨Ó3ÐØ ×ÑdÔØ YÐ(8Ð 9Ð9r c ó | j d« r3t | j « j j dd« « S | j d« r#t | j « j « S | j d¬« y)z/
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marker_var = VARIABLE | QUOTED_STRING
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ÚVARIABLEú.Ú_Ú QUOTED_STRINGz+Expected a marker variable or quoted string)ÚmessageN)r^ Úprocess_env_varr_ rP ÚreplaceÚprocess_python_strrh ©rS s r r r 6 so ð zÔ"Ü y~~Ó /× 4Ñ 4× <Ñ <¸SÀ#Ó FÓGÐGØ Ô )Ü! )§.¡.Ó"2×"7Ñ"7Ó8Ð8à×$Ñ$ØAð %õ
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r c ó6 | dv r t d« S t | « S )N)Ú platform_python_implementationÚpython_implementationr )r( )Úenv_vars r r r D s" ØÐMÑMÜÐ8Ó9Ð9äÓ Ð r c óT t j | « }t t |« « S r )ÚastÚ literal_evalr/ r )Ú
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python_strr s r r r K s! Ü × Ñ ZÓ (EÜ UÓ Ð r c ó | j d« r| j « t d« S | j d« rA| j « | j dd¬« | j dd¬« t d« S | j d « r#t | j « j « S | j d
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« S ) z&
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marker_op = IN | NOT IN | OP
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ÚINÚinÚNOTrI zwhitespace after 'not'rK z'in' after 'not'znot inÚOPzJExpected marker operator, one of <=, <, !=, ==, >=, >, ~=, ===, in, not in)r^ r_ r3 rO rP rh r s r r r P s¥ ð tÔ ØÔÜ$xØ Ô ØÔØ×ÑÐ(@ÐÔAØ×ÑÐ(:ÐÔ;Ü(|ÐØ Ô Ü)..Ó"×'Ñ'Ó(Ð(à×+Ñ+Ø Xó
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ð
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r )rE r r! r8 )rS r
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r! r8 )rS r
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r! z"tuple[str, str, MarkerList | None])rS r
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r[ Úintr\ r r! r6 )rS r
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r! r; )rS r
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r! r )rE r r! r6 )rS r
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r! r6 )rS r
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r! r5 )rS r
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r! Ú
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MarkerItem)rS r
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r! Ú MarkerVar)r r r! r( )r¤ r r! r/ )rS r
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r! r3 )'Ú__doc__Ú
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__future__r r¢ Útypingr r r r Ú
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_tokenizerr r
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r r( r/ r3 r¬ r« r5 r r6 r8 rF rC rR ra rQ rp rb rx r r ri r r r r r r r& r r ú<module>r± s* ðñõ #ã
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ß 5Ó 5ç 0÷ "ñ "ô tô ô
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Dô ô
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ô ð
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(E/Ñ " Ø 9b )Ð+Ñ ,
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Ø :x¨ Ñ 5Ð5Ñ 6
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Ø eL¨*°cÐ 9Ñ:Ñ ;
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ô
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ô óFóCð*0$Øð0$à'ó0$ðfØðØ),ðØ58ðàóó(ó&ó6 ó" ó@Fóó óó, :ó
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ó !ó ô
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r
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