?ij NdZddlmZddlddlmZmZd dZd dZd dZ d dZ y ) aARTN (Routing transport number). The routing transport number is a nine digit number used in the US banking system for processing deposits between banks. The last digit is a checksum. >>> calc_check_digit('11100002') '5' >>> validate('111000025') '111000025' >>> validate('11100002') # Not nine digits Traceback (most recent call last): ... InvalidLength: .. >>> validate('11100002B') # Not all numeric Traceback (most recent call last): ... InvalidFormat: .. >>> validate('112000025') # bad checksum Traceback (most recent call last): ... InvalidChecksum: .. ) annotations)*)cleanisdigitsc8t|j}|S)zkConvert the number to the minimal representation. This strips the number of any surrounding whitespace.)rstripnumbers T/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/us/rtn.pycompactr 3s6] "F Mc|Dcgc] }t|}}d|d|dz|dzzd|d|dz|dzzzd|d|d zzzd z}t|Scc}w) zZCalculate the check digit. The number passed should not have the check digit included.r  )intstr)r cdigitschecksums r calc_check_digitr:s% %c!f %F % VAY "VAY ./ VAY "VAY ./ 0 VAY "# $  H x= &sAct|}t|s tt|dk7r t t |dd|dk7r t |S)zZCheck if the number is a valid routing number. This checks the length and check digit.rN)r r InvalidFormatlen InvalidLengthrInvalidChecksumr s r validater$FsVV_F F o 6{aos $r 2 Mr cJ tt|S#t$rYywxYw)z#Check if the number is a valid RTN.F)boolr$ValidationErrorr s r is_validr(Ss)HV$%% s  ""N)r rreturnr)r rr)r&) __doc__ __future__rstdnum.exceptions stdnum.utilrrr rr$r(r r r/s)(2#'  r