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_parser.cpython-312.pyc
%;f' d Z ddlmZ ddlZddlmZmZmZmZ ddl m Z m Z G d d Z G d d 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. The docstring for each __parse_* function contains EBNF-inspired grammar representing the implementation. ) annotationsN) NamedTupleSequenceTupleUnion ) DEFAULT_RULES Tokenizerc , e Zd ZddZddZddZddZy)Nodec || _ y Nvalue)selfr s 3/usr/lib/python3/dist-packages/packaging/_parser.py__init__z Node.__init__ s c | j S r r r s r __str__z Node.__str__ s zzr c < d| j j d| dS )N<z('z')>) __class____name__r s r __repr__z Node.__repr__ s" 4>>**+2dV377r c t r )NotImplementedErrorr s r serializezNode.serialize s !!r N)r strreturnNoner! r )r __module__ __qualname__r r r r r r r r s 8"r r c e Zd ZddZy)Variablec t | S r r r s r r zVariable.serialize 4yr Nr# r r$ r% r r& r r r( r( r r( c e Zd ZddZy)Valuec d| dS )N"r& r s r r zValue.serialize# s 4&{r Nr# r, r& r r r/ r/ " s r r/ c e Zd ZddZy)Opc t | S r r* r s r r z Op.serialize( r+ r Nr# r, r& r r r3 r3 ' r- r r3 MarkerAtom MarkerListc @ e Zd ZU ded< ded< ded< ded< ded< y ) ParsedRequirementr nameurl list[str]extras specifierzMarkerList | NonemarkerN)r r$ r% __annotations__r& r r r8 r8 2 s I H N r r8 c 6 t t | t S N)rules)_parse_requirementr r sources r parse_requirementrF = im D EEr c | j d | j dd }|j }| j d t | }| j d t | \ }}}| j dd t ||||| S )zI requirement = WS? IDENTIFIER WS? extras WS? requirement_details WS IDENTIFIERz1package name at the start of dependency specifierexpectedENDzend of dependency specifier)consumeexpecttext _parse_extras_parse_requirement_detailsr8 ) tokenizer name_tokenr9 r< r: r= r> s r rC rC A s d!! R " J ??D d 9 %F d 7 BCF U%BC T3 6 BBr c d}d}d}| j d r| j | j d | j }| j dd j }| j dd r|||fS | j dd | j dd r|||fS t | |d }nR| j }t | }| j d | j dd r|||fS t | ||rdnd }|||fS )z~ requirement_details = AT URL (WS requirement_marker?)? | specifier WS? (requirement_marker)? NATrI URLz URL after @rK rM Tpeekzwhitespace after URLzURL and whitespace) span_startafterversion specifierz#name and no valid version specifier)checkreadrN positionrO rP _parse_requirement_marker_parse_specifier)rS r= r: r> url_startspecifier_starts r rR rR V s- I C Ft $ && u} =BB ??5t? ,F+ +(>? ??5t? ,F+ +* )3G $,,$Y/ $ ??5t? ,F+ +* & $: F ##r c | j d s| j d| d| | j t | }| j d |S )z3 requirement_marker = SEMICOLON marker WS? SEMICOLONz!Expected end or semicolon (after ))r[ rI )r^ raise_syntax_errorr_ _parse_markerrN )rS r[ r\ r> s r ra ra s[ ??; '$$/wa 8! % NN 9 %F d Mr c | j dd sg S | j ddd 5 | j d t | }| j d ddd |S # 1 sw Y S xY w) zG extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)? LEFT_BRACKETTrY RIGHT_BRACKETr< aroundrI N)r^ enclosing_tokensrN _parse_extras_list)rS r< s r rQ rQ sv ??>? 5 # # $ $ #I.$ M Ms .A""A,c 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> extras_list = identifier (wsp* ',' wsp* identifier)* rJ TrI rY z"Expected comma between extra namesCOMMAzextra name after commarK )r^ appendr_ rP rN rh rO )rS r< extra_tokens r rp rp s F ??< ( MM).."''( $ ??<d? 3 ( ()M N ) M $ &&|>V&W k&&' r c | j ddd 5 | j d t | }| j d ddd |S # 1 sw Y S xY w)zr specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS | WS? version_many WS? LEFT_PARENTHESISRIGHT_PARENTHESISr] rm rI N)ro rN _parse_version_many)rS parsed_specifierss r rb rb sd # #" $ $ / :$ s .A Ac d}| j d r| j }|| j j z }| j dd r!| j d|| j dz | j d d r | j d || j | j d | j d s |S || j j z }| j d | j d r|S ) z@ version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)? rV SPECIFIERVERSION_PREFIX_TRAILTrY z6.* suffix can only be used with `==` or `!=` operatorsr )r[ span_endVERSION_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 s //+ & '' Y^^ - 2 22 ??1? = ( (H%"++a/ ) ??6T? B ( (R%"++ ) $ w' Y^^ - 2 22$ ' //+ &* r c 6 t t | t S rA )_parse_full_markerr r rD s r parse_markerr rG r c B t | }| j dd |S )NrM zend of marker expressionrK )ri rO )rS retvals r r r s% 9 %F U%?@ Mr c t | g}| j d rJ| j }t | }|j |j |f | j d rJ|S )z4 marker = marker_atom (BOOLOP marker_atom)+ BOOLOP)_parse_marker_atomr^ r_ extendrP )rS expressiontoken expr_rights r ri ri s` %Y/0J //( # ' 2 5::z23 //( # r c 4 | 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 marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS? | WS? marker_item WS? rI rv TrY rw zmarker expressionrm N)rN r^ ro ri _parse_marker_item)rS r> s r r r s d)5 ' ' & ( d #!.y!9F d # $I. d M s .BBc | j d t | }| j d t | }| j d t | }| j d |||fS )zG marker_item = WS? marker_var WS? marker_op WS? marker_var WS? rI )rN _parse_marker_var_parse_marker_op)rS marker_var_left marker_opmarker_var_rights r r r ( si d' 2O d +I d(3 d Y(8 99r c | j d r3t | j j j dd S | j d r#t | j j S | j d y)z/ marker_var = VARIABLE | QUOTED_STRING VARIABLE._ QUOTED_STRINGz+Expected a marker variable or quoted string)messageN)r^ process_env_varr_ rP replaceprocess_python_strrh rS s r r r 6 so z" y~~ / 4 4 < <S# FGG )!).."2"7"788$$A % r c 6 | dv r t d S t | S )N) platform_python_implementationpython_implementationr )r( )env_vars r r r D s" MM899 r c T t j | }t t | S r )ast literal_evalr/ r ) python_strr s r r r K s! Z (E U r c | 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 S ) z& marker_op = IN | NOT IN | OP INinNOTrI zwhitespace after 'not'rK z'in' after 'not'znot inOPzJExpected marker operator, one of <=, <, !=, ==, >=, >, ~=, ===, in, not in)r^ r_ r3 rO rP rh r s r r r P s t $x (@A(:;(| ).."''((++ 8 r )rE r r! r8 )rS r r! r8 )rS r r! z"tuple[str, str, MarkerList | None])rS r r[ intr\ r r! r6 )rS r r! r; )rS r r! r )rE r r! r6 )rS r r! r6 )rS r r! r5 )rS r r! MarkerItem)rS r r! MarkerVar)r r r! r( )r r r! r/ )rS r r! r3 )'__doc__ __future__r r typingr r r r _tokenizerr r 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 <module>r s* # 5 5 0 " " t D (E/ " 9b)+ , :x 55 6 eL*c 9: ; FC*0$0$'0$f),58(&6 " @F , : ! r