?i VdZddlmZddlddlmZddlmZd dZd dZ d dZ d d Z y ) aISO 11649 (Structured Creditor Reference). The ISO 11649 structured creditor number consists of 'RF' followed by two check digits and up to 21 digits. The number may contain letters. The reference number is validated by moving RF and the check digits to the end of the number, and checking that the ISO 7064 Mod 97, 10 checksum of this string is 1. More information: * https://en.wikipedia.org/wiki/Creditor_Reference >>> validate('RF18 5390 0754 7034') 'RF18539007547034' >>> validate('RF18 5390 0754 70Y') 'RF185390075470Y' >>> is_valid('RF18 5390 0754 7034') True >>> validate('RF17 5390 0754 7034') Traceback (most recent call last): ... InvalidChecksum: ... >>> format('RF18539007547034') 'RF18 5390 0754 7034' ) annotations)*) mod_97_10)cleancRt|djjS)zConvert the number to the minimal representation. This strips the number of any invalid separators and removes surrounding whitespace.z -.,/:)rupperstripnumbers V/var/www/html/myprovider/mon_projet_qr/lib/python3.12/site-packages/stdnum/iso11649.pycompactr 7s#  " ( ( * 0 0 22ct|}t|dkst|dkDr t|jds t t j |dd|ddz|S)z[Check if the number provided is a valid ISO 11649 structured creditor reference number.RFN)r len InvalidLength startswith InvalidFormatrvalidater s r rr=seV_F 6{Q#f+*o   T "o vabzF2AJ./ MrcJ tt|S#t$rYywxYw)zCheck if the number provided is a valid ISO 11649 structured creditor number. This checks the length, formatting and check digits.F)boolrValidationErrorr s r is_validrIs)HV$%% s  ""c vtdjfdtdtdDS)zFormat the number provided for output. Blocks of 4 characters, the last block can be less than 4 characters. See https://www.paymentstandards.ch/dam/downloads/ig-qr-bill-en.pdf chapter 3.6.2.  c3.K|] }||dzyw)rN).0ir s r zformat..ZsFF1QUOFsrr)r joinrangerr s`r formatr&Rs0V_F 88FU1c&k1-EF FFrN)r strreturnr')r r'r(r) __doc__ __future__rstdnum.exceptionsstdnum.iso7064r stdnum.utilrr rrr&r rr r.s-*6#$3 Gr