?i NdZddlmZddlddlmZmZd dZd dZd dZ d dZ y ) aUTR (United Kingdom Unique Taxpayer Reference). A UTR (unique taxpayer reference) is a 10 digit number used to identify UK taxpayers who have to submit a tax return. More information: * https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/UK-TIN.pdf >>> validate('1955839661') '1955839661' >>> validate('2955839661') Traceback (most recent call last): ... InvalidChecksum: .. ) annotations)*)cleanisdigitscpt|djjjdS)zConvert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace. K)rupperstriplstripnumbers T/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/gb/utr.pycompactr,s.   # # % + + - 4 4S 99cJd}dtdt||DdzS)zyCalculate the check digit for the number. The passed number should not have the check digit (the first one) included.)   21987654321c3>K|]\}}t||zyw)N)int).0nws r z#calc_check_digit..6sIDAqSVaZIs )sumzip)rweightss rcalc_check_digitr'2s++G IC4HIIBN OOrct|}t|s tt|dk(s t |dt |ddk7r t |S)#Check if the number is a valid UTR.rrN)rr InvalidFormatlen InvalidLengthr'InvalidChecksumr s rvalidater/9sU V_F F o v;" o ay$VABZ00 MrcJ tt|S#t$rYywxYw)r)F)boolr/ValidationErrorr s ris_validr3Es)HV$%% s  ""N)rstrreturnr4)rr4r5r1) __doc__ __future__rstdnum.exceptions stdnum.utilrrrr'r/r3rrr;s**"#': P r