?i( NdZddlmZddlddlmZmZd dZd dZd dZ d dZ y ) a\EAN (International Article Number). Module for handling EAN (International Article Number) codes. This module handles numbers EAN-13, EAN-8, UPC (12-digit) and GTIN (EAN-14) format. >>> validate('73513537') '73513537' >>> validate('978-0-471-11709-4') # EAN-13 format '9780471117094' >>> validate('98412345678908') # GTIN format '98412345678908' ) annotations)*)cleanisdigitsc6t|djS)zConvert the EAN to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.z -)rstripnumbers Q/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/ean.pycompactr 's   $ $ &&c htdtdtt|Dz dzS)zqCalculate the EAN check digit for 13-digit numbers. The number passed should not have the check bit included. c3JK|]\}}d|dzt|zyw))N)int).0ins r z#calc_check_digit..0s/B!Q AQ/Bs!#)strsum enumeratereversedr s r calc_check_digitr-sE SB%.x/?%@BBBEGH IIr ct|}t|s tt|dvr t t |dd|dk7r t |S)Check if the number provided is a valid EAN-13. This checks the length and the check bit but does not check whether a known GS1 Prefix and company identifier are referenced.) N)r r InvalidFormatlen InvalidLengthrInvalidChecksumr s r validater)4sVV_F F o 6{/)os $r 2 Mr cJ tt|S#t$rYywxYw)rF)boolr)ValidationErrorr s r is_validr-Bs)HV$%% s  ""N)r rreturnr)r rr.r+) __doc__ __future__rstdnum.exceptions stdnum.utilrrr rr)r-r r r4s*( #'' I r