Gecko [ naturenectar.co.uk ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
dnssecalgs	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
quic	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
rdtypes	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
__init__.py	1.62 KB	-rw-r--r--	2024-02-18 18:35
_asyncbackend.py	2.3 KB	-rw-r--r--	2024-02-18 18:35
_asyncio_backend.py	8.76 KB	-rw-r--r--	2024-02-18 18:35
_ddr.py	5.12 KB	-rw-r--r--	2024-02-18 18:35
_features.py	2.33 KB	-rw-r--r--	2024-02-18 18:35
_immutable_ctx.py	2.4 KB	-rw-r--r--	2024-02-18 18:35
asyncbackend.py	2.73 KB	-rw-r--r--	2024-02-18 18:35
asyncquery.py	26.22 KB	-rw-r--r--	2024-02-18 18:35
asyncresolver.py	17.43 KB	-rw-r--r--	2024-02-18 18:35
dnssec.py	39.74 KB	-rw-r--r--	2024-02-18 18:35
dnssectypes.py	1.76 KB	-rw-r--r--	2024-02-18 18:35
e164.py	3.88 KB	-rw-r--r--	2024-02-18 18:35
edns.py	14.91 KB	-rw-r--r--	2024-02-18 18:35
entropy.py	4.14 KB	-rw-r--r--	2024-02-18 18:35
enum.py	3.6 KB	-rw-r--r--	2024-02-18 18:35
exception.py	5.82 KB	-rw-r--r--	2024-02-18 18:35
flags.py	2.69 KB	-rw-r--r--	2024-02-18 18:35
grange.py	2.1 KB	-rw-r--r--	2024-02-18 18:35
immutable.py	1.97 KB	-rw-r--r--	2024-02-18 18:35
inet.py	5.64 KB	-rw-r--r--	2024-02-18 18:35
ipv4.py	2.49 KB	-rw-r--r--	2024-02-18 18:35
ipv6.py	6.45 KB	-rw-r--r--	2024-02-18 18:35
message.py	64.45 KB	-rw-r--r--	2024-02-18 18:35
name.py	41.67 KB	-rw-r--r--	2024-02-18 18:35
namedict.py	3.91 KB	-rw-r--r--	2024-02-18 18:35
nameserver.py	9.68 KB	-rw-r--r--	2024-02-18 18:35
node.py	12.37 KB	-rw-r--r--	2024-02-18 18:35
opcode.py	2.67 KB	-rw-r--r--	2024-02-18 18:35
query.py	53.55 KB	-rw-r--r--	2024-02-18 18:35
rcode.py	4.06 KB	-rw-r--r--	2024-02-18 18:35
rdata.py	28.77 KB	-rw-r--r--	2024-02-18 18:35
rdataclass.py	2.91 KB	-rw-r--r--	2024-02-18 18:35
rdataset.py	16.36 KB	-rw-r--r--	2024-02-18 18:35
rdatatype.py	7.17 KB	-rw-r--r--	2024-02-18 18:35
renderer.py	10.99 KB	-rw-r--r--	2024-02-18 18:35
resolver.py	71.83 KB	-rw-r--r--	2024-02-18 18:35
reversename.py	3.74 KB	-rw-r--r--	2024-02-18 18:35
rrset.py	8.96 KB	-rw-r--r--	2024-02-18 18:35
serial.py	3.52 KB	-rw-r--r--	2024-02-18 18:35
set.py	8.88 KB	-rw-r--r--	2024-02-18 18:35
tokenizer.py	23.03 KB	-rw-r--r--	2024-02-18 18:35
transaction.py	22.11 KB	-rw-r--r--	2024-02-18 18:35
tsig.py	11.15 KB	-rw-r--r--	2024-02-18 18:35
tsigkeyring.py	2.57 KB	-rw-r--r--	2024-02-18 18:35
ttl.py	2.91 KB	-rw-r--r--	2024-02-18 18:35
update.py	11.96 KB	-rw-r--r--	2024-02-18 18:35
version.py	1.88 KB	-rw-r--r--	2024-02-18 18:35
versioned.py	11.49 KB	-rw-r--r--	2024-02-18 18:35
win32util.py	8.89 KB	-rw-r--r--	2024-02-18 18:35
wire.py	2.76 KB	-rw-r--r--	2024-02-18 18:35
xfr.py	12.96 KB	-rw-r--r--	2024-02-18 18:35
zone.py	50.87 KB	-rw-r--r--	2024-02-18 18:35
zonefile.py	27.27 KB	-rw-r--r--	2024-02-18 18:35
zonetypes.py	690 B	-rw-r--r--	2024-02-18 18:35

Rename

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

"""Serial Number Arthimetic from RFC 1982"""

class Serial:
    def __init__(self, value: int, bits: int = 32):
        self.value = value % 2**bits
        self.bits = bits

def __repr__(self):
        return f"dns.serial.Serial({self.value}, {self.bits})"

def __eq__(self, other):
        if isinstance(other, int):
            other = Serial(other, self.bits)
        elif not isinstance(other, Serial) or other.bits != self.bits:
            return NotImplemented
        return self.value == other.value

def __ne__(self, other):
        if isinstance(other, int):
            other = Serial(other, self.bits)
        elif not isinstance(other, Serial) or other.bits != self.bits:
            return NotImplemented
        return self.value != other.value

def __lt__(self, other):
        if isinstance(other, int):
            other = Serial(other, self.bits)
        elif not isinstance(other, Serial) or other.bits != self.bits:
            return NotImplemented
        if self.value < other.value and other.value - self.value < 2 ** (self.bits - 1):
            return True
        elif self.value > other.value and self.value - other.value > 2 ** (
            self.bits - 1
        ):
            return True
        else:
            return False

def __le__(self, other):
        return self == other or self < other

def __gt__(self, other):
        if isinstance(other, int):
            other = Serial(other, self.bits)
        elif not isinstance(other, Serial) or other.bits != self.bits:
            return NotImplemented
        if self.value < other.value and other.value - self.value > 2 ** (self.bits - 1):
            return True
        elif self.value > other.value and self.value - other.value < 2 ** (
            self.bits - 1
        ):
            return True
        else:
            return False

def __ge__(self, other):
        return self == other or self > other

def __add__(self, other):
        v = self.value
        if isinstance(other, Serial):
            delta = other.value
        elif isinstance(other, int):
            delta = other
        else:
            raise ValueError
        if abs(delta) > (2 ** (self.bits - 1) - 1):
            raise ValueError
        v += delta
        v = v % 2**self.bits
        return Serial(v, self.bits)

def __iadd__(self, other):
        v = self.value
        if isinstance(other, Serial):
            delta = other.value
        elif isinstance(other, int):
            delta = other
        else:
            raise ValueError
        if abs(delta) > (2 ** (self.bits - 1) - 1):
            raise ValueError
        v += delta
        v = v % 2**self.bits
        self.value = v
        return self

def __sub__(self, other):
        v = self.value
        if isinstance(other, Serial):
            delta = other.value
        elif isinstance(other, int):
            delta = other
        else:
            raise ValueError
        if abs(delta) > (2 ** (self.bits - 1) - 1):
            raise ValueError
        v -= delta
        v = v % 2**self.bits
        return Serial(v, self.bits)

def __isub__(self, other):
        v = self.value
        if isinstance(other, Serial):
            delta = other.value
        elif isinstance(other, int):
            delta = other
        else:
            raise ValueError
        if abs(delta) > (2 ** (self.bits - 1) - 1):
            raise ValueError
        v -= delta
        v = v % 2**self.bits
        self.value = v
        return self