File: //usr/lib/python3.12/site-packages/packaging/__pycache__/_tokenizer.cpython-312.opt-1.pyc
�
��g� � � � U d dl mZ d dlZd dlZd dlmZ d dlmZmZ ddl m
Z
e G d� d� � Z G d � d
e � Z
i d d �d
d�dd�dd�dd�dd�d ej dej � �dd�dd �d d �d d �d! ej d"ej � �d# ej e
j e
j" z ej ej$ z � �d$d%�d&d'�d(d)�d*d+�d,d-d.d/��Zd0ed1< G d2� d3� Zy)4� )� annotationsN)� dataclass)�Iterator�NoReturn� )� Specifierc �, � e Zd ZU ded< ded< ded< y)�Token�str�name�text�int�positionN)�__name__�
__module__� __qualname__�__annotations__� � �9/usr/lib/python3.12/site-packages/packaging/_tokenizer.pyr
r
s � �
�I�
�I��Mr r
c �< � � e Zd ZdZ d� fd� Zdd�Z� xZS )�ParserSyntaxErrorz7The provided source text could not be parsed correctly.c �L �� || _ || _ || _ t �| � � y )N)�span�message�source�super�__init__)�selfr r r � __class__s �r r zParserSyntaxError.__init__ s% �� � �� � �� � �� �
���r c �� � d| j d z d| j d | j d z
z z dz }dj | j | j |g� S )N� r �~r �^z
)r �joinr r )r �markers r �__str__zParserSyntaxError.__str__" sV � ��t�y�y��|�#�c�T�Y�Y�q�\�D�I�I�a�L�-H�&I�I�C�O���}�}�d�l�l�D�K�K�� @�A�Ar )r r r r r ztuple[int, int]�return�None)r( r )r r r �__doc__r r' �
__classcell__)r s @r r r s7 �� �A� �� � � �
� �
�
�Br r �LEFT_PARENTHESISz\(�RIGHT_PARENTHESISz\)� LEFT_BRACKETz\[�
RIGHT_BRACKETz\]� SEMICOLON�;�COMMA�,�
QUOTED_STRINGzk
(
('[^']*')
|
("[^"]*")
)
�OPz(===|==|~=|!=|<=|>=|<|>)�BOOLOPz \b(or|and)\b�INz\bin\b�NOTz\bnot\b�VARIABLEa�
\b(
python_version
|python_full_version
|os[._]name
|sys[._]platform
|platform_(release|system)
|platform[._](version|machine|python_implementation)
|python_implementation
|implementation_(name|version)
|extra
)\b
� SPECIFIER�ATz\@�URLz[^ \t]+�
IDENTIFIERz \b[a-zA-Z0-9][a-zA-Z0-9._-]*\b�VERSION_PREFIX_TRAILz\.\*z \+[a-z0-9]+(?:[-_\.][a-z0-9]+)*z[ \t]+�$)�VERSION_LOCAL_LABEL_TRAIL�WS�END� dict[str, str | re.Pattern[str]]�
DEFAULT_RULESc � � e Zd ZdZ d
d�Zdd�Zdd�dd�Zdd�Zdd�Zd d d
� dd �Z e
j dd �� Z y )� Tokenizerz�Context-sensitive token parsing.
Provides methods to examine the input stream to check whether the next token
matches.
c � � || _ |j � D ��ci c] \ }}|t j |� �� c}}| _ d | _ d| _ y c c}}w )Nr )r �items�re�compile�rules�
next_tokenr )r r rK r �patterns r r zTokenizer.__init__a sS � � �� �;@�;�;�=�2
�;H�-�$��D�"�*�*�W�%� %�=�2
��
� )-�����
�� 2
s � Ac �H � | j |� r| j � yy)z8Move beyond provided token name, if at current position.N)�check�read)r r s r �consumezTokenizer.consumen s � � �:�:�d� � �I�I�K� r F)�peekc � � | j | }|j | j | j � }|�y|s t ||d | j � | _ y)z�Check 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.
Fr T)rK �matchr r r
rL )r r rR �
expressionrT s r rO zTokenizer.checks sR � � �Z�Z��%�
�� � ����d�m�m�<�� �=��� #�D�%��(�D�M�M� B�D�O�r c �l � | j |� s| j d|� �� �| j � S )zsExpect a certain token name next, failing with a syntax error otherwise.
The token is *not* read.
z Expected )rO �raise_syntax_errorrP )r r �expecteds r �expectzTokenizer.expect� s4 � �
�z�z�$� ��)�)�I�h�Z�*@�A� A��y�y�{�r c �| � | j }| xj t |j � z
c_ d| _ |S )z%Consume the next token and return it.N)rL r �lenr
)r �tokens r rP zTokenizer.read� s/ � �����
�
�
��U�Z�Z� �(�
� ���� r N)�
span_start�span_endc �r � |� | j n||� | j n|f}t || j |�� �)z.Raise ParserSyntaxError at the given position.)r r )r r r )r r r] r^ r s r rW z Tokenizer.raise_syntax_error� sC � � (� /�D�M�M�Z� %� -�D�M�M�8�
�� � ��;�;��
�
r c # �� K � | j |� r | j }| j � nd }d �� |�y | j |� s | j d|� d|� d|� �|�� | j � y �w)NzExpected matching z for z, after )r] )rO r rP rW )r �
open_token� close_token�around�
open_positions r �enclosing_tokenszTokenizer.enclosing_tokens� sz � �� � �:�:�j� !� �M�M�M� �I�I�K� �M�
� � � ��z�z�+�&� � #� #�$�[�M��z�l�(�6�(�S�(�
$�
�
� � � �s �A6A8)r r rK rC r( r) )r r r( r) )r r rR �boolr( rf )r r rX r r( r
)r( r
)r r r] �
int | Noner^ rg r( r )ra r rb r rc r r( zIterator[None])
r r r r* r rQ rO rY rP rW �
contextlib�contextmanagerre r r r rF rF Z s� � �� �� � 0� �
� ��
05� �*�� "&� #�
��
� �
�
�
�
�
�$ � � �� ��,/��<?�� �� �r rF )�
__future__r rh rI � dataclassesr �typingr r �
specifiersr r
� Exceptionr rJ �VERBOSE�_operator_regex_str�_version_regex_str�
IGNORECASErD r rF r r r �<module>rs s� �� "� � � !� %� !� �� � �� B� � B�*03���03���03� �E�03� �U� 03�
�� 03� �T�
03� �Z�R�Z�Z� � �
�
� �03�" �
%�#03�$
�o�%03�& �)�'03�(
�:�)03�* �
��
�
� � �
�
� �+03�J ������%�%� �(D�(D�D�
�
�
�R�]�]�"��K03�R �%�S03�T
�:�U03�V �3�W03�X �G�Y03�Z "D�
� �_03�
�/� 0�fh� hr