a 紫j@sPUddlmZddlZddlZddlmZddlmZmZddl m Z erZddl m Z m Z eGdd d ZGd d d eZed ed edededededejedededededejee jejejBedededededededdZd ed!<Gd"d#d#ZdS)$) annotationsN) dataclass) TYPE_CHECKINGNoReturn) Specifier) GeneratorMappingc@s*eZdZUdZded<ded<ded<dS)Token)namepositiontextstrr r intr N)__name__ __module__ __qualname__ __slots____annotations__rrS/var/www/html/laksyashrimp/venv/lib/python3.9/site-packages/packaging/_tokenizer.pyr s r cs:eZdZdZdddddfdd Zddd d ZZS) ParserSyntaxErrorz7The provided source text could not be parsed correctly.rztuple[int, int]None)messagesourcespanreturncs ||_||_||_tdS)N)rrrsuper__init__)selfrrr __class__rrrszParserSyntaxError.__init__rcCsBd|jdd|jd|jdd}|jd|jd|S)N r~r^z )rrr)rmarkerrrr__str__'s*zParserSyntaxError.__str__)rrr__doc__rr' __classcell__rrr rrs rz\(z\)z\[z\];,zk ( ('[^']*') | ("[^"]*") ) z(===|==|~=|!=|<=|>=|<|>)z \b(or|and)\bz\bin\bz\bnot\ba \b( python_version |python_full_version |os[._]name |sys[._]platform |platform_(release|system) |platform[._](version|machine|python_implementation) |python_implementation |implementation_(name|version) |extras? |dependency_groups )\b z\@z[^ \t]+z\b[a-zA-Z0-9][a-zA-Z0-9._-]*\bz\.\*z\+[a-z0-9]+(?:[-_\.][a-z0-9]+)*z[ \t]+z\Z)ZLEFT_PARENTHESISZRIGHT_PARENTHESISZ LEFT_BRACKETZ RIGHT_BRACKET SEMICOLONCOMMAZ QUOTED_STRINGOPBOOLOPINNOTVARIABLEZ SPECIFIERATURL IDENTIFIERZVERSION_PREFIX_TRAILZVERSION_LOCAL_LABEL_TRAILZWSZENDzdict[str, re.Pattern[str]] DEFAULT_RULESc@seZdZdZdZddddddZddd d d Zd d ddddddZddddddZddddZ ddddddddddZ e j dddd d!d"d#Z dS)$ TokenizerzContext-sensitive token parsing. Provides methods to examine the input stream to check whether the next token matches. ) next_tokenr rulesrrzMapping[str, re.Pattern[str]]r)rr9rcCs||_||_d|_d|_dS)Nr)rr9r8r )rrr9rrrriszTokenizer.__init__)r rcCs||r|dS)z8Move beyond provided token name, if at current position.N)checkread)rr rrrconsumets zTokenizer.consumeF)peekbool)r r=rcCsz|jdus Jd|d|j||jvs8Jd||j|}||j|j}|dur^dS|svt||d|j|_dS)zCheck whether the next token has the provided name. By default, if the check succeeds, the token *must* be read before another check. If `peek` is set to `True`, the token is not loaded and would need to be checked again. NzCannot check for z, already have zUnknown token name: FrT)r8r9matchrr r )rr r=Z expressionr?rrrr:ys  zTokenizer.checkr )r expectedrcCs"||s|d||S)zzExpect a certain token name next, failing with a syntax error otherwise. The token is read and returned. z Expected )r:raise_syntax_errorr;)rr r@rrrexpects zTokenizer.expectr"cCs0|j}|dusJ|jt|j7_d|_|S)z%Consume the next token and return it.N)r8r lenr )rtokenrrrr;s  zTokenizer.readN) span_startspan_endz int | Noner)rrErFrcCs8|dur|jn||dur|jn|f}t||j|ddS)z.Raise ParserSyntaxError at the given position.N)rr)r rr)rrrErFrrrrrAs zTokenizer.raise_syntax_errorzGenerator[None, None, None]) open_token close_tokenaroundrccsf||r|j}|nd}dV|dur0dS||sZ|jd|d|d||d|dS)NzExpected matching z for z, after )rE)r:r r;rA)rrGrHrIZ open_positionrrrenclosing_tokenss   zTokenizer.enclosing_tokens)rrrr(rrr<r:rBr;rA contextlibcontextmanagerrJrrrrr7`s  r7) __future__rrKre dataclassesrtypingrr specifiersrcollections.abcrr r ExceptionrcompileVERBOSEZ_specifier_regex_str IGNORECASEr6rr7rrrrsR    4