Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/validators/iban.py: 100%

1"""IBAN.""" 

2# -*- coding: utf-8 -*- 

3 

4# standard 

5import re 

6 

7# local 

8from .utils import validator 

9 

10 

11def _char_value(char: str): 

12 """A=10, B=11, ..., Z=35.""" 

13 return char if char.isdigit() else str(10 + ord(char) - ord("A")) 

14 

15 

16def _mod_check(value: str): 

17 """Check if the value string passes the mod97-test.""" 

18 # move country code and check numbers to end 

19 rearranged = value[4:] + value[:4] 

20 return int("".join(_char_value(char) for char in rearranged)) % 97 == 1 

21 

22 

23@validator 

24def iban(value: str, /): 

25 """Return whether or not given value is a valid IBAN code. 

26 

27 Examples: 

28 >>> iban('DE29100500001061045672') 

29 # Output: True 

30 >>> iban('123456') 

31 # Output: ValidationFailure(func=iban, ...) 

32 

33 Args: 

34 value: 

35 IBAN string to validate. 

36 

37 Returns: 

38 (Literal[True]): 

39 If `value` is a valid IBAN code. 

40 (ValidationFailure): 

41 If `value` is an invalid IBAN code. 

42 

43 > *New in version 0.8.0* 

44 """ 

45 return ( 

46 (re.match(r"^[A-Z]{2}[0-9]{2}[A-Z0-9]{11,30}$", value) and _mod_check(value)) 

47 if value 

48 else False 

49 )