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Editing: interpolation.cpython-310.pyc
o !�b6 � @ s� d Z ddlmZ ddlZddlmZ ddlmZ ddlm Z m Z ddl m Z dgZ d Zd Zed Zd Ze�d def �Zddd�Zdd� ZdS )z�String interpolation routines, i.e. the splitting up a given text into some parts that are literal strings, and others that are Python expressions. � )�chainN)� PseudoToken)�TEXT)�TemplateSyntaxError�EXPR)� Expression� interpolatezrestructuredtext en�5abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_z .0123456789�$z %s|%s(?s)z)[uU]?[rR]?("""|\'\'\')((?<!\\)\\\1|.)*?\1����strictc c s> � |||g}g }d}t t| ||�dg�D ]�\}} |rd|r,td�|�|fV |dd�= d}| rczt| �� |d |d |d�} t| t|�fV W n* tyb } zt | ||d |d | j p[d ��d} ~ ww n |� | � |du rqt|�}d| v r�| � � } |d t | �d 7 < |d t | d �7 < q|d t | �7 < qdS ) a� Parse the given string and extract expressions. This function is a generator that yields `TEXT` events for literal strings, and `EXPR` events for expressions, depending on the results of parsing the string. >>> for kind, data, pos in interpolate("hey ${foo}bar"): ... print('%s %r' % (kind, data)) TEXT 'hey ' EXPR Expression('foo') TEXT 'bar' :param text: the text to parse :param filepath: absolute path to the file in which the text was found (optional) :param lineno: the line number at which the text was found (optional) :param offset: the column number at which the text starts in the source (optional) :param lookup: the variable lookup mechanism; either "lenient" (the default), "strict", or a custom lookup class :return: a list of `TEXT` and `EXPR` events :raise TemplateSyntaxError: when a syntax error in an expression is encountered N)T� r r � )�lookup� � r )r �lexr �joinr �stripr �tuple� SyntaxErrorr �offset�append� splitlines�len) �text�filepath�linenor r �pos�textbuf�textpos�is_expr�chunk�expr�err�lines� r& �?/usr/lib/python3/dist-packages/genshi/template/interpolation.pyr ' s@ � � ���� �c c s � d }}t | �}d} |r| �t|d �}d}n| �t|�}|dk s)||d kr*n�| |d }|dkr�||krAd| ||� fV |d }d}|r�t�| |�} | d u sW| �� sdtd|g|dd � �R � �| �� }| jd \} } | | | � } | dkr~|d7 }n| dkr�|d8 }|sId | |d |d � fV nc|t v r�||kr�d| ||� fV |}|d7 }||k r�| | } | t vr�n|d7 }||k s�d | |d |� � � fV n)|s�|tkr�||kr�d| ||� fV d }|d }nd| ||d � fV |d }q ||k �r d| |d � fV d S d S ) Nr Fr r �{zinvalid syntax� �}T) r �find�PREFIX�token_re�match�groupr �end�regs� NAMESTART� NAMECHARSr )r r r r r r0 �escaped�next�levelr. �tstart�tend�token�charr& r& r' r _ sn � � � � � 5�r )Nr r r )�__doc__� itertoolsr �re�tokenizer � genshi.corer �genshi.template.baser r �genshi.template.evalr �__all__� __docformat__r2 r3 r, �compiler- r r r& r& r& r' �<module> s$ � 8
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