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r: ) r r r r rO �struct�Struct�unpack�join) r= rn ro �padrp rq �padding�words�chunksr! rm r" � _85encode s � rz )rq �wrapcolrv �adobec s� t d u r*dd� tdd�D �add� tD �a t| tt |d|�� |rHt� � �r�t|rVdnd���� �fd d�td t� ���D �}|r�t|d �d �kr�|�d � d �|�� |r�� t 7 � � S )Nc S s g | ]}t |f��qS r! r5 r6 r! r! r" r9 D r: z a85encode.<locals>.<listcomp>�! �v c S s g | ]}t D ] }|| �q qS r! )� _a85charsr; r! r! r" r9 E r: TrF rE c s g | ]}� ||� � �qS r! r! r6 ��resultr{ r! r" r9 M s �r rL r: � ) � _a85chars2rS r rz � _A85START�maxrO �appendru �_A85END)r= rq r{ rv r| ry r! r� r" r / s$ � r s )rq r| � ignorecharsc C s� t | �} |rH| �t�s$td�t���| �t�r<| dd� } n | d d� } t�d�j }g }|j }g }|j }|j } | d D ]�} d| kr�dkr�n nj|| � t |�dkr�d } |D ]} d | | d } q�z||| �� W n tj y� td �d �Y n0 | � qv| d k�r |�rtd ��|d� qv|�rF| dk�rF|�r<td��|d� qv| |v �rTqvqvtd| ��qvd�|�} dt |� } | �r�| d | � } | S )Nz1Ascii85 encoded byte sequences must end with {!r}rF ����!Is uuuur} �u r? r rl zAscii85 overflow�z zz inside Ascii85 5-tuples �y zy inside Ascii85 5-tuples zNon-Ascii85 digit found: %cr: rJ )r# �endswithr� r �format� startswithr� rr rs �packr� �clearrO �errorru )r= rq r| r� �packIrf Zdecoded_appendZcurrZ curr_appendZ curr_clear�xrg r� rw r! r! r" r X sZ �� r sU 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~c C s2 t d u r$dd� tD �add� tD �a t| tt |�S )Nc S s g | ]}t |f��qS r! r5 r6 r! r! r" r9 � r: z b85encode.<locals>.<listcomp>c S s g | ]}t D ] }|| �q qS r! )� _b85charsr; r! r! r" r9 � r: )� _b85chars2� _b85alphabetr� rz )r= rv r! r! r" r � s r c C sF t d u r,d gd a tt�D ]\}}|t |< qt| �} t| � d }| d| } g }t�d�j}tdt| �d�D ]�}| ||d � }d}z |D ]}|d t | }q�W nD t y� t|�D ]&\}}t | d u r�t d|| �d �q�� Y n0 z|� ||�� W qn tj �y t d| �d �Y qn0 qnd � |�} |�rB| d | � } | S ) N� r? � ~r� r rl z#bad base85 character at position %dz+base85 overflow in hunk starting at byte %dr: )�_b85decr_ r� r# rO rr rs r� rS r r r� r� ru ) r= r8 rU rw �outr� �chunkrg �jr� r! r! r" r � sH ���� r �L rJ rH c C sX | � t�}|sqTt|�tk r>| � tt|� �}|s4q>||7 }qt�|�}|�|� q d S r2 )�read� MAXBINSIZErO r& r' �write)�input�outputr �ns�liner! r! r" r � s r c C s( | � � }|sq$t�|�}|�|� q d S r2 )�readliner& r0 r� )r� r� r� r r! r! r" r � s r c C s� z t | �}W n: tyF } z"d| jj }t|�|�W Y d }~n d }~0 0 |jdvrld|j| jjf }t|��|jdkr�d|j| jjf }t|��d S )Nz"expected bytes-like object, not %s)rU r= �Bz-expected single byte elements, not %r from %srE z(expected 1-D data, not %d-D data from %s)r r r r r� �ndim)r �m�err�msgr! r! r" �_input_type_check� s � �r� c C sL t | � g }tdt| �t�D ]$}| ||t � }|�t�|�� q d�|�S )Nr r: )r� rS rO r� r� r& r' ru )r �piecesr8 r� r! r! r" r s r c C s t | � t�| �S r2 )r� r& r0 r r! r! r" r s r c C s6 dd l } dd l}z |�| jdd � d�\}}W nR |jy� } z8| j| _t|� td| jd � | �d� W Y d }~n d }~0 0 t}|D ]@\}}|dkr�t}|dkr�t }|dkr�t }|d kr�t � d S q�|�r |d d k�r t |d d �� }||| jj � W d � n1 �s0 Y n|| j j | jj � d S ) Nr rE Zdeutz�usage: %s [-d|-e|-u|-t] [file|-] -d, -u: decode -e: encode (default) -t: encode and decode string 'Aladdin:open sesame'rF z-ez-dz-uz-t�-�rb)�sys�getopt�argvr� �stderr�stdout�print�exitr r �test�open�buffer�stdin) r� r� Zopts�argsr� �func�or< �fr! r! r" �main s( � 0r� c C s< d} t t| �� t| �}t t|�� t|�}t t|�� d S )Ns Aladdin:open sesame)r� �reprr r )Zs0�s1�s2r! r! r" r� 8 s r� �__main__)N)NF)FN)F)FFF)F)/r- rr r& �__all__r) rP r r# r r r r r* r3 r4 r r rN rM r^ r r r r r r� r� r� rz r r r� r� r� r� r r Z MAXLINESIZEr� r r r� r r r� r� r r! r! r! r" �<module> sX & C )H -
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