U i-@sFUddlmZddlZddlZddlmZddlmZmZm Z ddl m Z eGdddZ Gd d d e Zed ed ed ededededejedededededejee je jejejBedededededededdZded <Gd!d"d"ZdS)#) annotationsN) dataclass) GeneratorMappingNoReturn) Specifierc@s&eZdZUded<ded<ded<dS)TokenstrnametextintpositionN)__name__ __module__ __qualname____annotations__rrJ/var/www/SKSBV.IN/venv/lib/python3.8/site-packages/packaging/_tokenizer.pyr s r cs:eZdZdZdddddfdd Zddd d ZZS) ParserSyntaxErrorz7The provided source text could not be parsed correctly.r ztuple[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__rrrrrs 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]+$)LEFT_PARENTHESISRIGHT_PARENTHESIS LEFT_BRACKET RIGHT_BRACKET SEMICOLONCOMMA QUOTED_STRINGOPBOOLOPINNOTVARIABLE SPECIFIERATURL IDENTIFIERVERSION_PREFIX_TRAILVERSION_LOCAL_LABEL_TRAILWSENDzdict[str, re.Pattern[str]] DEFAULT_RULESc@seZdZdZddddddZdddd d Zd d dd d dddZddddddZddddZddddddddddZ e j ddddd d!d"Z dS)# TokenizerzContext-sensitive token parsing. Provides methods to examine the input stream to check whether the next token matches. r zMapping[str, re.Pattern[str]]r)rrulesrcCs||_||_d|_d|_dS)Nr)rrA next_tokenr)rrrArrrrbszTokenizer.__init__)r rcCs||r|dS)z8Move beyond provided token name, if at current position.N)checkread)rr rrrconsumems zTokenizer.consumeF)peekbool)r rFrcCsz|jdks td|d|j||jks8td||j|}||j|j}|dkr^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)rBAssertionErrorrAmatchrrr )rr rF expressionrIrrrrCrs  zTokenizer.checkr )r expectedrcCs"||s|d||S)zsExpect a certain token name next, failing with a syntax error otherwise. The token is *not* read. z Expected )rCraise_syntax_errorrD)rr rKrrrexpects zTokenizer.expectr cCs0|j}|dk st|jt|j7_d|_|S)z%Consume the next token and return it.N)rBrHrlenr )rtokenrrrrDs  zTokenizer.readN) span_startspan_endz int | Noner)rrPrQrcCs8|dkr|jn||dkr|jn|f}t||j|ddS)z.Raise ParserSyntaxError at the given position.N)rr)rrr)rrrPrQrrrrrLs zTokenizer.raise_syntax_errorzGenerator[(None, None, None)]) open_token close_tokenaroundrccsf||r|j}|nd}dV|dkr0dS||sZ|jd|d|d||d|dS)NzExpected matching z for z, after )rP)rCrrDrL)rrRrSrT open_positionrrrenclosing_tokenss   zTokenizer.enclosing_tokens) rrrr&rrErCrMrDrL contextlibcontextmanagerrVrrrrr@[s  r@) __future__rrWre dataclassesrtypingrrr specifiersrr ExceptionrcompileVERBOSE_operator_regex_str_version_regex_str IGNORECASEr?rr@rrrrsP      4