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r" c C sD t j| dd�}|dk r@t|�dks.tt|���|jtjd|��S |S )a* Encode the bytes-like object s using Base64 and return a bytes object.
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d��t j | �S )an Decode the Base64 encoded bytes-like object or ASCII string s.
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)r r* �_urlsafe_encode_translation)r r r r! r o s c C s t | �} | jt�} t| �S )a� Decode bytes using the URL- and filesystem-safe Base64 alphabet.
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foldspacesr r! r7 ! s z _85encode.<locals>.<listcomp>rA rc r r; � rH rH rH rH ) r r r r r' �struct�StructZunpack�join) r9 rf rg �padrh ri �paddingZwords�chunksr )rf rg rh ri r! � _85encode s
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z1Ascii85 encoded byte sequences must end with {!r}r$ Nz!I� urC � !r r; re rt zAscii85 overflowrc zz inside Ascii85 5-tuples rd zy inside Ascii85 5-tuples zNon-Ascii85 digit found: %crj ���r� s uuuurt �u �z �y )r" �endswithr} r �format�
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sU 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~c C s2 t dkr$dd� tD �a dd� t D �at| t t|�S )z�Encode bytes-like object b in base85 format and return a bytes object.
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rD } z d| jj }t|�|�W Y d d }~X nX |jdkrjd|j| jjf }t|��|jdkr�d|j| jjf }t|��d S ) Nz"expected bytes-like object, not %srP r9 �Bz-expected single byte elements, not %r from %srA z(expected 1-D data, not %d-D data from %s)rP r9 r� )r r r r r� �ndim)r �m�err�msgr r r! �_input_type_check� s
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