Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/django/utils/ipv6.py: 22%

1import ipaddress 

2 

3from django.core.exceptions import ValidationError 

4from django.utils.translation import gettext_lazy as _ 

5 

6 

7def clean_ipv6_address( 

8 ip_str, unpack_ipv4=False, error_message=_("This is not a valid IPv6 address.") 

9): 

10 """ 

11 Clean an IPv6 address string. 

12 

13 Raise ValidationError if the address is invalid. 

14 

15 Replace the longest continuous zero-sequence with "::", remove leading 

16 zeroes, and make sure all hextets are lowercase. 

17 

18 Args: 

19 ip_str: A valid IPv6 address. 

20 unpack_ipv4: if an IPv4-mapped address is found, 

21 return the plain IPv4 address (default=False). 

22 error_message: An error message used in the ValidationError. 

23 

24 Return a compressed IPv6 address or the same value. 

25 """ 

26 try: 

27 addr = ipaddress.IPv6Address(int(ipaddress.IPv6Address(ip_str))) 

28 except ValueError: 

29 raise ValidationError(error_message, code="invalid") 

30 

31 if unpack_ipv4 and addr.ipv4_mapped: 

32 return str(addr.ipv4_mapped) 

33 elif addr.ipv4_mapped: 

34 return "::ffff:%s" % str(addr.ipv4_mapped) 

35 

36 return str(addr) 

37 

38 

39def is_valid_ipv6_address(ip_str): 

40 """ 

41 Return whether or not the `ip_str` string is a valid IPv6 address. 

42 """ 

43 try: 

44 ipaddress.IPv6Address(ip_str) 

45 except ValueError: 

46 return False 

47 return True