?iNdZddlmZddlddlmZmZd dZd dZd dZ d dZ y ) uALV nro (Arvonlisäveronumero, Finnish VAT number). The number is an 8-digit code with a weighted checksum. >>> validate('FI 20774740') '20774740' >>> validate('FI 20774741') # invalid check digit Traceback (most recent call last): ... InvalidChecksum: ... ) annotations)*)cleanisdigitsct|djj}|jdr|dd}|S)zConvert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.z -FIN)rupperstrip startswithnumbers T/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/fi/alv.pycompactr's@64 & & ( . . 0F  McDd}tdt||DdzS)zCalculate the checksum.) r c3>K|]\}}|t|zyw)N)int).0wns r zchecksum..3s;daq3q6z;s )sumzip)rweightss rchecksumr$0s$'G ;c'6&:; ;b @@rct|}t|s tt|dk7r t t |dk7r t |S)zbCheck if the number is a valid VAT number. This checks the length, formatting and check digit.rr)rr InvalidFormatlen InvalidLengthr$InvalidChecksumr s rvalidater*6sLV_F F o 6{ao1 MrcJ tt|S#t$rYywxYw)z*Check if the number is a valid VAT number.F)boolr*ValidationErrorr s ris_validr.Cs)HV$%% s  ""N)rstrreturnr/)rr/r0r)rr/r0r,) __doc__ __future__rstdnum.exceptions stdnum.utilrrrr$r*r.rrr6s** #'A r