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3
« fO  ã               @   sP   d Z ddlZddddddd	d
dddœ
Zdd„ Zdd„ Zdd„ ZedkrLeƒ  dS )z<Safely evaluate Python string literals without using eval().é    NúúúÚ
úú	úú'ú"ú\)
ÚaÚbÚfÚnÚrÚtÚvr	   r
   r   c             C   s¾   | j ddƒ\}}tj|ƒ}|d k	r&|S |jdƒr†|dd … }t|ƒdk rTtd| ƒ‚yt|dƒ}W q¶ tk
r‚   td| ƒ‚Y q¶X n0yt|dƒ}W n  tk
r´   td| ƒ‚Y nX t|ƒS )	Nr   é   Úxé   z!invalid hex string escape ('\%s')é   é   z#invalid octal string escape ('\%s'))ÚgroupÚsimple_escapesÚgetÚ
startswithÚlenÚ
ValueErrorÚintÚchr)ÚmÚallÚtailÚescZhexesÚi© r%   ú;/opt/alt/python36/lib64/python3.6/lib2to3/pgen2/literals.pyÚescape   s"    

r'   c             C   sH   | d }| d d… |d kr$|d }| t |ƒt |ƒ … } tjdt| ƒS )Nr   é   z)\\(\'|\"|\\|[abfnrtv]|x.{0,2}|[0-7]{1,3}))r   ÚreÚsubr'   )ÚsÚqr%   r%   r&   Ú
evalString(   s
    r-   c              C   sD   x>t dƒD ]2} t| ƒ}t|ƒ}t|ƒ}||kr
t| |||ƒ q
W d S )Né   )Úranger   Úreprr-   Úprint)r$   Úcr+   Úer%   r%   r&   Útest2   s    r4   Ú__main__)Ú__doc__r)   r   r'   r-   r4   Ú__name__r%   r%   r%   r&   Ú<module>   s    
	