Exscript.util.ipv6 module

IPv6 address calculation and conversion.

Exscript.util.ipv6.clean_ip(ip)

Cleans the ip address up, useful for removing leading zeros, e.g.:

1234:0:01:02:: -> 1234:0:1:2::
1234:0000:0000:0000:0000:0000:0000:000A -> 1234::a
1234:0000:0000:0000:0001:0000:0000:0000 -> 1234:0:0:0:1::
0000:0000:0000:0000:0001:0000:0000:0000 -> ::1:0:0:0

Parameters:ip (string) – An IP address. Return type:string Returns:The cleaned up IP.

Exscript.util.ipv6.is_ip(string)

Returns True if the given string is an IPv6 address, False otherwise.

Parameters:string (string) – Any string. Return type:bool Returns:True if the string is an IP address, False otherwise.

Exscript.util.ipv6.normalize_ip(ip)

Transform the address into a standard, fixed-length form, such as:

1234:0:01:02:: -> 1234:0000:0001:0002:0000:0000:0000:0000 1234::A -> 1234:0000:0000:0000:0000:0000:0000:000a

Parameters:ip (string) – An IP address. Return type:string Returns:The normalized IP.

Exscript.util.ipv6.parse_prefix(prefix, default_length=128)

Splits the given IP prefix into a network address and a prefix length. If the prefix does not have a length (i.e., it is a simple IP address), it is presumed to have the given default length.

Parameters:

• prefix (string) – An IP mask.
• default_length (long) – The default ip prefix length.

Return type:

string, int

Returns:

A tuple containing the IP address and prefix length.