liPdZddlmZmZGddZGddeZdS)zW This module is responsible for generating the check digit and formatting SBN numbers. )AnyOptionalcDeZdZdZ ddeedeeddfdZdS)SBN N registrant publicationreturnc"||_||_dSN)rr )selfrr s g/var/www/html/Pagina-Ingenieria-Requisitos/venv/lib/python3.11/site-packages/faker/providers/sbn/sbn.py__init__z SBN.__init__ s %&)NN)__name__ __module__ __qualname__ MAX_LENGTHrstrrrrrr s^J%)%)''SM'c]'  ''''''rrcJeZdZdededdffd ZdefdZd dedefd ZxZS) SBN9argskwargsr Ncltj|i|||_dSr )superr _check_digit check_digit)r rr __class__s rrz SBN9.__init__s9$)&))),,..rctdd}dd|j|jfD}t dt ||Ddz}|dkrdnt |}t |S) a)Calculate the check digit for SBN-9. SBNs use the same check digit calculation as ISBN. See https://en.wikipedia.org/wiki/International_Standard_Book_Number for calculation. Only modification is weights range from 1 to 9 instead of 1 to 10. rcg|]}||Sr r.0parts r z%SBN9._check_digit.."saaaPTP`P`P`P`rc3@K|]\}}t||zVdSr )int)r%bws r z$SBN9._check_digit..#s0BBtq!A BBBBBBr X)rangejoinrr sumzipr)r weightsbody remainderrs rrzSBN9._check_digits1++wwaa$/4;K)LaaabbBBs4/A/ABBBBBRG &"__cc#i.. ;rr" separatorcd|d|j|j|jfDS)Ncg|]}||Sr rr$s rr'zSBN9.format..)s,    #  $##r)r1rr r)r r7s rformatz SBN9.format'sI~~  O$$      r)r") rrrrrrrr: __classcell__)rs@rrrs/c/S/T//////  c          S         rrN)__doc__typingrrrrrrrr>s !  ' ' ' ' ' ' ' '     3     r