?ix NdZddlmZddlddlmZmZd dZd dZd dZ d dZ y ) u,VKN (Vergi Kimlik Numarası, Turkish tax identification number). The Vergi Kimlik Numarası is the Turkish tax identification number used for businesses. The number consists of 10 digits where the first digit is derived from the company name. More information: * https://www.turkiye.gov.tr/gib-intvrg-vergi-kimlik-numarasi-dogrulama >>> validate('4540536920') '4540536920' >>> validate('4540536921') Traceback (most recent call last): ... InvalidChecksum: ... >>> validate('454053692') Traceback (most recent call last): ... InvalidLength: ... ) annotations)*)cleanisdigitsc4t|jS)zConvert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.)rstripnumbers T/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/tr/vkn.pycompactr 1s =    cd}tt|dddD]-\}}t||zdz}|s|d|zzdzxsd}||z }/td|z dzS)z3Calculate the check digit for the specified number.rN  ) enumeratereversedintstr)r sinc1c2s r calc_check_digitr7sv A(6"1:.21!fqjB  Q-1$)B GA  Q"} r ct|}t|s tt|dk7r t t ||dk7r t |S)cCheck if the number is a valid Vergi Kimlik Numarası. This checks the length and check digits.r)r r InvalidFormatlen InvalidLengthrInvalidChecksumr s r validater$BsPV_F F o 6{bo6":- Mr cJ tt|S#t$rYywxYw)rF)boolr$ValidationErrorr s r is_validr(Os)HV$%% s  ""N)r rreturnr)r rr)r&) __doc__ __future__rstdnum.exceptions stdnum.utilrrr rr$r(r r r/s)*,#'!  r