o
    )ri)                     @  s  d Z ddlmZ ddlZddlmZmZmZmZm	Z	m
Z
 ddlmZmZ G dd dZG d	d
 d
eZG dd deZG dd deZed Ze
eef Ze	eeef Ze
eed f Zee
deef  ZG dd deZdDddZdEddZdFddZdGd#d$ZdHd&d'ZdHd(d)ZdId*d+ZdId,d-ZdJd.d/Z dKd0d1Z!dKd2d3Z"dLd4d5Z#dMd7d8Z$dNd:d;Z%dOd=d>Z&dPd@dAZ'dQdBdCZ(dS )RzHandwritten parser of dependency specifiers.

The docstring for each __parse_* function contains EBNF-inspired grammar representing
the implementation.
    )annotationsN)ListLiteral
NamedTupleSequenceTupleUnion   )DEFAULT_RULES	Tokenizerc                   @  s8   e Zd ZdZdddZddd	Zdd
dZdddZdS )Nodevaluer   strreturnNonec                 C  s
   || _ d S Nr   )selfr    r   P/home/air/biblejyuku/back/venv/lib/python3.10/site-packages/packaging/_parser.py__init__   s   
zNode.__init__c                 C  s   | j S r   r   r   r   r   r   __str__   s   zNode.__str__c                 C  s   d| j j d| jdS )N<(z)>)	__class____name__r   r   r   r   r   __repr__   s   zNode.__repr__c                 C  s   t r   )NotImplementedErrorr   r   r   r   	serialize   s   zNode.serializeN)r   r   r   r   r   r   )r   
__module____qualname__	__slots__r   r   r   r   r   r   r   r   r      s    


r   c                   @     e Zd ZdZdddZdS )Variabler   r   r   c                 C     t | S r   r   r   r   r   r   r   "      zVariable.serializeNr    r   r!   r"   r#   r   r   r   r   r   r%          r%   c                   @  r$   )Valuer   r   r   c                 C  s   d|  dS )N"r   r   r   r   r   r   )   s   zValue.serializeNr    r)   r   r   r   r   r+   &   r*   r+   c                   @  r$   )Opr   r   r   c                 C  r&   r   r'   r   r   r   r   r   0   r(   zOp.serializeNr    r)   r   r   r   r   r-   -   r*   r-   )andor
MarkerAtom
MarkerListc                   @  s6   e Zd ZU ded< ded< ded< ded< ded< d	S )
ParsedRequirementr   nameurl	list[str]extras	specifierzMarkerList | NonemarkerN)r   r!   r"   __annotations__r   r   r   r   r2   ;   s   
 r2   sourcer   r   c                 C     t t| tdS N)rules)_parse_requirementr   r
   r:   r   r   r   parse_requirementF      r@   	tokenizerr   c                 C  sf   |  d | jddd}|j}|  d t| }|  d t| \}}}| jddd t|||||S )zI
    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_detailsr2   )rB   
name_tokenr3   r6   r4   r7   r8   r   r   r   r>   J   s   


r>   "tuple[str, str, MarkerList | None]c                 C  s   d}d}d}|  drF|   | d | j}| jdddj}| j dd	d
r+|||fS | jddd | j dd	d
r>|||fS t| |dd}n#| j}t| }| d | j dd	d
r^|||fS t| ||redndd}|||fS )z~
    requirement_details = AT URL (WS requirement_marker?)?
                        | specifier WS? (requirement_marker)?
     NATrC   URLzURL after @rE   rG   Tpeekzwhitespace after URLz$semicolon (after URL and whitespace))
span_startrF   zEcomma (within version specifier), semicolon (after version specifier)z0semicolon (after name with no version specifier))checkreadrH   positionrI   rJ   _parse_requirement_marker_parse_specifier)rB   r7   r4   r8   	url_startspecifier_startr   r   r   rL   _   s>   







rL   rT   intrF   c                C  s@   |  ds| jd| d|dd |   t| }| d |S )z3
    requirement_marker = SEMICOLON marker WS?
    	SEMICOLONz	Expected z or endNrT   span_endrC   )rU   raise_syntax_errorrV   _parse_markerrH   )rB   rT   rF   r8   r   r   r   rX      s   


rX   r5   c                 C  sd   | j ddds	g S | jdddd | d t| }| d W d   |S 1 s+w   Y  |S )	zG
    extras = (LEFT_BRACKET wsp* extras_list? wsp* RIGHT_BRACKET)?
    LEFT_BRACKETTrR   RIGHT_BRACKETr6   aroundrC   N)rU   enclosing_tokensrH   _parse_extras_list)rB   r6   r   r   r   rK      s   

		rK   c                 C  s   g }|  ds	|S ||  j 	 | d | j dddr$| d n|  ds,	 |S |   | d | jddd}||j q)	z>
    extras_list = identifier (wsp* ',' wsp* identifier)*
    rD   TrC   rR   z"Expected comma between extra namesCOMMAzextra name after commarE   )rU   appendrV   rJ   rH   r`   rI   )rB   r6   extra_tokenr   r   r   rg      s    



rg   c                 C  sR   | j dddd | d t| }| d W d   |S 1 s"w   Y  |S )zr
    specifier = LEFT_PARENTHESIS WS? version_many WS? RIGHT_PARENTHESIS
              | WS? version_many WS?
    LEFT_PARENTHESISRIGHT_PARENTHESISzversion specifierrd   rC   N)rf   rH   _parse_version_many)rB   parsed_specifiersr   r   r   rY      s   

		rY   c                 C  s   d}|  drQ| j}||  j7 }| j dddr#| jd|| jd d | j d	ddr3| jd
|| jd | d |  ds@	 |S ||  j7 }| d |  ds|S )z@
    version_many = (SPECIFIER (WS? COMMA WS? SPECIFIER)*)?
    rO   	SPECIFIERVERSION_PREFIX_TRAILTrR   z6.* suffix can only be used with `==` or `!=` operatorsr	   r^   VERSION_LOCAL_LABEL_TRAILz@Local version label can only be used with `==` or `!=` operatorsrC   rh   )rU   rW   rV   rJ   r`   rH   )rB   rn   rT   r   r   r   rm      s0   




rm   c                 C  r;   r<   )_parse_full_markerr   r
   r?   r   r   r   parse_marker  rA   rs   c                 C  s   t | }| jddd |S )NrG   zend of marker expressionrE   )ra   rI   )rB   retvalr   r   r   rr     s   rr   c                 C  sB   t | g}| dr|  }t | }||j|f | ds
|S )z4
    marker = marker_atom (BOOLOP marker_atom)+
    BOOLOP)_parse_marker_atomrU   rV   extendrJ   )rB   
expressiontoken
expr_rightr   r   r   ra     s   


ra   c                 C  s|   |  d | jdddr3| jdddd |  d t| }|  d W d   n1 s-w   Y  nt| }|  d |S )	zw
    marker_atom = WS? LEFT_PARENTHESIS WS? marker WS? RIGHT_PARENTHESIS WS?
                | WS? marker_item WS?
    rC   rk   TrR   rl   zmarker expressionrd   N)rH   rU   rf   ra   _parse_marker_item)rB   r8   r   r   r   rv     s   

	
rv   
MarkerItemc                 C  sJ   |  d t| }|  d t| }|  d t| }|  d |||fS )zG
    marker_item = WS? marker_var WS? marker_op WS? marker_var WS?
    rC   )rH   _parse_marker_var_parse_marker_op)rB   marker_var_left	marker_opmarker_var_rightr   r   r   r{   4  s   




r{   	MarkerVarc                 C  sH   |  drt|  jddS |  drt|  jS | jdd dS )z/
    marker_var = VARIABLE | QUOTED_STRING
    VARIABLE._QUOTED_STRINGz+Expected a marker variable or quoted string)messageN)rU   process_env_varrV   rJ   replaceprocess_python_strr`   rB   r   r   r   r}   B  s   


r}   env_varc                 C  s   | dv rt dS t | S )N)platform_python_implementationpython_implementationr   )r%   )r   r   r   r   r   P  s   r   
python_strc                 C  s   t | }tt|S r   )astliteral_evalr+   r   )r   r   r   r   r   r   W  s   
r   c                 C  sr   |  dr|   tdS |  dr(|   | jddd | jddd tdS |  d	r4t|  jS | d
S )z&
    marker_op = IN | NOT IN | OP
    INinNOTrC   zwhitespace after 'not'rE   z'in' after 'not'znot inOPzJExpected marker operator, one of <=, <, !=, ==, >=, >, ~=, ===, in, not in)rU   rV   r-   rI   rJ   r`   r   r   r   r   r~   \  s   


r~   )r:   r   r   r2   )rB   r   r   r2   )rB   r   r   rN   )rB   r   rT   r\   rF   r   r   r1   )rB   r   r   r5   )rB   r   r   r   )r:   r   r   r1   )rB   r   r   r1   )rB   r   r   r0   )rB   r   r   r|   )rB   r   r   r   )r   r   r   r%   )r   r   r   r+   )rB   r   r   r-   ))__doc__
__future__r   r   typingr   r   r   r   r   r   
_tokenizerr
   r   r   r%   r+   r-   MarkerLogicalr   r|   r0   r1   r2   r@   r>   rL   rX   rK   rg   rY   rm   rs   rr   ra   rv   r{   r}   r   r   r~   r   r   r   r   <module>   s@     



5




 






