3 ‘ã\Z ã@s<dQ\ZZZZZZdZdZdZd Z d Z d Z edRdSfedTdUfedVdWfedXdYfedZe e ee eddƒƒƒƒe e ee edd ƒƒƒƒd!d"gfed[e e ee ed#d$ƒƒƒƒfe e edd%ƒƒd\fee ed*d%ƒƒd]fed^e e ee ed4d5ƒƒƒƒfed_d`fe e edd%ƒƒdafe e edd%ƒƒdbfedcddfededffgZdJdK„ZdLdM„ZdNdO„ZdPS)gÚVisaú Visa ElectronÚ MastercardúAmerican ExpressÚMaestroÚDiscoverz Diners ClubzChina UnionPayÚJCBZLaserZSoloZSwitchéÚ34Ú37ééééÚ62Ú88éÚ300Ú301Ú302Ú303Ú304Ú305Ú36i.~ iN i„iŠZ6011Z65iÈ iéÚ6304Ú6706Ú6771Ú6709é Ú5018Ú5020Ú5038Ú5893Ú6759Ú6761Ú6762Ú6763Ú0604é3é8Ú54Ú55Ú6334Ú6767Ú4903Ú4905Ú4911Ú4936Ú564182Ú633110Ú6333é Ú4Ú4026Ú417500Ú4405Ú4508Ú4844Ú4913Ú4917cCs t|ƒtkS)N)Ú bankcard_typeÚAMEX)Únumber©rAú7/var/www/html/oscar2019/oscar/apps/payment/bankcards.pyÚis_amex&srCcCs0dd„}x"tD]\}}}||||ƒr|SqWdS)zy Return the type of a bankcard based on its card_number. Returns None is the card_number is not recognised. cSs0t|ƒ|krdSx|D]}|j|ƒrdSqWdS)NFT)ÚlenÚ startswith)Ú card_numberÚlengthsÚprefixesÚprefixrArArBÚmatches0s    zbankcard_type..matchesN)Ú CARD_TYPES)rFrJÚ card_typerGrHrArArBr>*s r>cCstt|ƒ}d}t|ƒ}|d@}xJtd|ƒD]<}t||ƒ}|d@|AsL|d}|dkr\|d}||}q(W|ddkS)zC Test whether a bankcard number passes the Luhn algorithm. éééé é )ÚstrrDÚrangeÚint)rFÚsumZ num_digitsZodd_evenÚiÚdigitrArArBÚluhn<s   rXN)rrrrrr)r)r r )r r r r)rr)r)rrrrrr)r)r)r )r )rrrr) rr r!r"rr#r$r%r&r')r )r )r*r+)r,r-)r.r/r0r1r2r3r4r#)r5r )r6)r )r7r8r9r:r;r<r=)ZVISAZ VISA_ELECTRONZ MASTERCARDr?ZMAESTROZDISCOVERZ DINERS_CLUBZCHINA_UNIONPAYrZLASERZSOLOZSWITCHÚlistÚmaprRrSrKrCr>rXrArArArBÚs88