+
    UBi'                       R t ^ RIHt ^ RIt^ RIHtHtHtHt ^RI	H
t
Ht  ! R R4      t ! R R]4      t ! R	 R
]4      t ! R R]4      t]]]3,          t]]]]3,          t]]]R,          3,          t]]R]]3,          ,          t ! R R]4      tR R ltR R ltR R ltR R ltR R ltR R ltR R ltR R  ltR! R" ltR# R$ ltR% R& lt R' R( lt!R) R* lt"R+ R, lt#R- R. lt$R/ R0 lt%R1 R2 lt&R# )3zHandwritten parser of dependency specifiers.

The docstring for each __parse_* function contains EBNF-inspired grammar representing
the implementation.
)annotationsN)
NamedTupleSequenceTupleUnion)DEFAULT_RULES	Tokenizerc                  F    ] tR t^tR R ltR R ltR R ltR R ltR	tR
# )Nodec                    V ^8  d   QhRRRR/# )   valuestrreturnNone )formats   "6/usr/lib/python3.14/site-packages/packaging/_parser.py__annotate__Node.__annotate__   s      c d     c                	    Wn         R # Nr   )selfr   s   &&r   __init__Node.__init__   s    
r   c                   V ^8  d   QhRR/# r   r   r   r   )r   s   "r   r   r      s       r   c                	    V P                   # r   r   r   s   &r   __str__Node.__str__   s    zzr   c                   V ^8  d   QhRR/# r   r   )r   s   "r   r   r      s     8 8# 8r   c                	<    R V P                   P                   RV  R2# )<z('z')>)	__class____name__r    s   &r   __repr__Node.__repr__   s"    4>>**+2dV377r   c                   V ^8  d   QhRR/# r   r   )r   s   "r   r   r      s     " "3 "r   c                	    \         hr   )NotImplementedErrorr    s   &r   	serializeNode.serialize   s    !!r   r   N)	r'   
__module____qualname____firstlineno__r   r!   r(   r-   __static_attributes__r   r   r   r
   r
      s    8" "r   r
   c                  "    ] tR t^tR R ltRtR# )Variablec                   V ^8  d   QhRR/# r   r   )r   s   "r   r   Variable.__annotate__         3 r   c                	    \        V 4      # r   r   r    s   &r   r-   Variable.serialize       4yr   r   Nr'   r/   r0   r1   r-   r2   r   r   r   r4   r4           r   r4   c                  "    ] tR t^"tR R ltRtR# )Valuec                   V ^8  d   QhRR/# r   r   )r   s   "r   r   Value.__annotate__#   s      3 r   c                	    R V  R 2# )"r   r    s   &r   r-   Value.serialize#   s    4&{r   r   Nr<   r   r   r   r?   r?   "   s     r   r?   c                  "    ] tR t^'tR R ltRtR# )Opc                   V ^8  d   QhRR/# r   r   )r   s   "r   r   Op.__annotate__(   r7   r   c                	    \        V 4      # r   r9   r    s   &r   r-   Op.serialize(   r;   r   r   Nr<   r   r   r   rF   rF   '   r=   r   rF   
MarkerAtom
MarkerListc                  J    ] tR t^2t$ R]R&   R]R&   R]R&   R]R&   R]R&   R	tR
# )ParsedRequirementr   nameurl	list[str]extras	specifierzMarkerList | Nonemarkerr   N)r'   r/   r0   r1   __annotations__r2   r   r   r   rN   rN   2   s    
I	HNr   rN   c                    V ^8  d   QhRRRR/# )r   sourcer   r   rN   r   )r   s   "r   r   r   =   s     F Fc F&7 Fr   c                6    \        \        V \        R 7      4      # )rules)_parse_requirementr   r   rW   s   &r   parse_requirementr]   =       imDEEr   c                    V ^8  d   QhRRRR/# )r   	tokenizerr   r   rN   r   )r   s   "r   r   r   A   s     C C) C0A Cr   c                   V P                  R4       V P                  RRR7      pVP                  pV P                  R4       \        V 4      pV P                  R4       \	        V 4      w  rEpV P                  RRR7       \        W$W5V4      # )zA
requirement = WS? IDENTIFIER WS? extras WS? requirement_details
WS
IDENTIFIERz1package name at the start of dependency specifierexpectedENDzend of dependency specifier)consumeexpecttext_parse_extras_parse_requirement_detailsrN   )r`   
name_tokenrO   rR   rP   rS   rT   s   &      r   r[   r[   A   s     d!!R " J ??Dd9%Fd7	BCFU%BCT6BBr   c                    V ^8  d   QhRRRR/# )r   r`   r   r   z"tuple[str, str, MarkerList | None]r   )r   s   "r   r   r   V   s     0$ 0$0$'0$r   c                H   RpRpRpV P                  R4      '       d   V P                  4        V P                  R4       V P                  pV P	                  RRR7      P
                  pV P                  RR	R
7      '       d   W!V3# V P	                  RRR7       V P                  RR	R
7      '       d   W!V3# \        WRR7      pM]V P                  p\        V 4      pV P                  R4       V P                  RR	R
7      '       d   W!V3# \        T TV'       d   RMRR7      pW!V3# )zr
requirement_details = AT URL (WS requirement_marker?)?
                    | specifier WS? (requirement_marker)?
 NATrb   URLzURL after @rd   rf   Tpeekzwhitespace after URLzURL and whitespace)
span_startafterversion specifierz#name and no valid version specifier)checkreadrg   positionrh   ri   _parse_requirement_marker_parse_specifier)r`   rS   rP   rT   	url_startspecifier_starts   &     r   rk   rk   V   s/    I
CFt$&&	u}=BB??5t?,,F++(>? ??5t?,,F++*3G
 $,,$Y/	$??5t?,,F++*&  $:
 F##r   c               (    V ^8  d   QhRRRRRRRR/# )	r   r`   r   rt   intru   r   r   rL   r   )r   s   "r   r   r      s,      ),58r   c                   V P                  R4      '       g   V P                  RV R2VR7       V P                  4        \        V 4      pV P	                  R4       V# )z+
requirement_marker = SEMICOLON marker WS?
	SEMICOLONz!Expected end or semicolon (after ))rt   rb   )rw   raise_syntax_errorrx   _parse_markerrg   )r`   rt   ru   rT   s   &$$ r   rz   rz      s^     ??;''$$/wa8! 	% 	
 NN9%FdMr   c                    V ^8  d   QhRRRR/# r   r`   r   r   rQ   r   )r   s   "r   r   r      s      Y 9 r   c                   V P                  RRR7      '       g   . # V P                  RRRR7      ;_uu_ 4        V P                  R4       \        V 4      pV P                  R4       RRR4       V#   + '       g   i     X# ; i)	z?
extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)?
LEFT_BRACKETTrr   RIGHT_BRACKETrR   aroundrb   N)rw   enclosing_tokensrg   _parse_extras_list)r`   rR   s   & r   rj   rj      s     ??>?55			#	# 
$ 
 

 	$#I.$
 M
 
 Ms   .A00B	c                    V ^8  d   QhRRRR/# r   r   )r   s   "r   r   r      s      ) 	 r   c                   . pV P                  R4      '       g   V# VP                  V P                  4       P                  4        V P	                  R4       V P                  RRR7      '       d   V P                  R4       MV P                  R4      '       g    V# V P                  4        V P	                  R4       V P                  RRR7      pVP                  VP                  4       K  )	z6
extras_list = identifier (wsp* ',' wsp* identifier)*
rc   Trb   rr   z"Expected comma between extra namesCOMMAzextra name after commard   )rw   appendrx   ri   rg   r   rh   )r`   rR   extra_tokens   &  r   r   r      s     F??<((
MM).."''(
$??<d?33(()MN)) M 	$&&|>V&Wk&&'r   c                    V ^8  d   QhRRRR/# r   r`   r   r   r   r   )r   s   "r   r   r      s      	 c r   c                    V P                  RRRR7      ;_uu_ 4        V P                  R4       \        V 4      pV P                  R4       RRR4       V#   + '       g   i     X# ; i)zf
specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS
          | WS? version_many WS?
LEFT_PARENTHESISRIGHT_PARENTHESISrv   r   rb   N)r   rg   _parse_version_many)r`   parsed_specifierss   & r   r{   r{      sn    
 
	#	#" 
$ 
 

 	$/	:$
 
 
 s   .AA&	c                    V ^8  d   QhRRRR/# r   r   )r   s   "r   r   r      s      9  r   c                :   RpV P                  R4      '       Ed   V P                  pWP                  4       P                  ,          pV P                  RRR7      '       d&   V P	                  RVV P                  ^,           R7       V P                  RRR7      '       d   V P	                  R	VV P                  R7       V P                  R
4       V P                  R4      '       g    V# WP                  4       P                  ,          pV P                  R
4       EK  V# )z8
version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
ro   	SPECIFIERVERSION_PREFIX_TRAILTrr   z6.* suffix can only be used with `==` or `!=` operators)rt   span_endVERSION_LOCAL_LABEL_TRAILz@Local version label can only be used with `==` or `!=` operatorsrb   r   )rw   ry   rx   ri   r   rg   )r`   r   rt   s   &  r   r   r      s    
//+
&
&''
^^-222??1?==((H%"++a/ ) 
 ??6T?BB((R%"++ ) 
 	$w''  	^^-222$r   c                    V ^8  d   QhRRRR/# )r   rW   r   r   rL   r   )r   s   "r   r   r      s     F F F Fr   c                6    \        \        V \        R 7      4      # rY   )_parse_full_markerr   r   r\   s   &r   parse_markerr      r^   r   c                    V ^8  d   QhRRRR/# r   r`   r   r   rL   r   )r   s   "r   r   r      s      ) 
 r   c                B    \        V 4      pV P                  R RR7       V# )rf   zend of marker expressionrd   )r   rh   )r`   retvals   & r   r   r      s%    9%FU%?@Mr   c                    V ^8  d   QhRRRR/# r   r   )r   s   "r   r   r     s     	 	Y 	: 	r   c                    \        V 4      .pV P                  R4      '       d;   V P                  4       p\        V 4      pVP                  VP                  V34       KQ  V# )z,
marker = marker_atom (BOOLOP marker_atom)+
BOOLOP)_parse_marker_atomrw   rx   extendri   )r`   
expressiontoken
expr_rights   &   r   r   r     sS     %Y/0J
//(
#
# '	2
5::z23r   c                    V ^8  d   QhRRRR/# )r   r`   r   r   rK   r   )r   s   "r   r   r     s      ) 
 r   c                ^   V P                  R4       V P                  RRR7      '       dT   V P                  RRRR7      ;_uu_ 4        V P                  R4       \        V 4      pV P                  R4       RRR4       M\	        V 4      pV P                  R4       X#   + '       g   i     L#; i)	zk
marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS?
            | WS? marker_item WS?
rb   r   Trr   r   zmarker expressionr   N)rg   rw   r   r   _parse_marker_item)r`   rT   s   & r   r   r     s     d)55''& ( 
 

 d#!.y!9Fd#
 
 $I.dM
 
s   .BB,	c                    V ^8  d   QhRRRR/# )r   r`   r   r   
MarkerItemr   )r   s   "r   r   r   (  s     : :) :
 :r   c                    V P                  R4       \        V 4      pV P                  R4       \        V 4      pV P                  R4       \        V 4      pV P                  R4       WV3# )z?
marker_item = WS? marker_var WS? marker_op WS? marker_var WS?
rb   )rg   _parse_marker_var_parse_marker_op)r`   marker_var_left	marker_opmarker_var_rights   &   r   r   r   (  sg     d'	2Od +Id(3d(899r   c                    V ^8  d   QhRRRR/# )r   r`   r   r   	MarkerVarr   )r   s   "r   r   r   6  s     
 
 
y 
r   c                2   V P                  R4      '       d4   \        V P                  4       P                  P	                  RR4      4      # V P                  R4      '       d$   \        V P                  4       P                  4      # V P                  RR7       R# )z'
marker_var = VARIABLE | QUOTED_STRING
VARIABLE._QUOTED_STRINGz+Expected a marker variable or quoted string)messageN)rw   process_env_varrx   ri   replaceprocess_python_strr   r`   s   &r   r   r   6  su     z""y~~/44<<S#FGG		)	)!).."2"7"788$$A 	% 	
r   c                    V ^8  d   QhRRRR/# )r   env_varr   r   r4   r   )r   s   "r   r   r   D  s     ! !S !X !r   c                <    V R9   d   \        R 4      # \        V 4      # )platform_python_implementation)r   python_implementation)r4   )r   s   &r   r   r   D  s"    MM899  r   c                    V ^8  d   QhRRRR/# )r   
python_strr   r   r?   r   )r   s   "r   r   r   K  s      3 5 r   c                V    \         P                  ! V 4      p\        \        V4      4      # r   )astliteral_evalr?   r   )r   r   s   & r   r   r   K  s!    Z(EUr   c                    V ^8  d   QhRRRR/# )r   r`   r   r   rF   r   )r   s   "r   r   r   P  s     
 
	 
b 
r   c                   V P                  R4      '       d   V P                  4        \        R4      # V P                  R4      '       dB   V P                  4        V P                  RRR7       V P                  RRR7       \        R4      # V P                  R	4      '       d$   \        V P                  4       P                  4      # V P                  R
4      # )z
marker_op = IN | NOT IN | OP
INinNOTrb   zwhitespace after 'not'rd   z'in' after 'not'znot inOPzJExpected marker operator, one of <=, <, !=, ==, >=, >, ~=, ===, in, not in)rw   rx   rF   rh   ri   r   r   s   &r   r   r   P  s     t$x			(@A(:;(|			).."''((++X
 	
r   )'__doc__
__future__r   r   typingr   r   r   r   
_tokenizerr   r   r
   r4   r?   rF   r   r   rK   r   rL   rN   r]   r[   rk   rz   rj   r   r{   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>r      s    # 
 5 5 0" "t 
D 
 
 (E/"	9b)+,
:x556
eL*c9:;

 FC*0$f(&6"@F	,:
!

r   