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    e hu  ã                   @   s0   d dl mZ eedœdd„Zeedœdd„ZdS )	é    )ÚList)ÚnumberÚreturnc                 C   sn   t tt dœdd„}|| ƒ}|dd d… }|dd d… }d}|t|ƒ7 }|D ]}|t||d ƒƒ7 }qL|d S )	N)Únr   c                 S   s   dd„ t | ƒD ƒS )Nc                 S   s   g | ]}t |ƒ‘qS © )Úint)Ú.0Údr   r   ú9/tmp/pip-unpacked-wheel-cwn3b9ao/faker/utils/checksums.pyÚ
<listcomp>   s     z4luhn_checksum.<locals>.digits_of.<locals>.<listcomp>)Ústr)r   r   r   r
   Ú	digits_of   s    z luhn_checksum.<locals>.digits_oféÿÿÿÿéþÿÿÿr   é   é
   )Úfloatr   r   Úsum)r   r   ÚdigitsZ
odd_digitsZeven_digitsZchecksumr	   r   r   r
   Úluhn_checksum   s    r   )Úpartial_numberr   c                 C   s$   t t| ƒd ƒ}|dkr|S d| S )z7
    Generates the Checksum using Luhn's algorithm
    r   r   )r   r   )r   Zcheck_digitr   r   r
   Úcalculate_luhn   s    r   N)Útypingr   r   r   r   r   r   r   r   r
   Ú<module>   s   