Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-09-07 23:29
rdtypes	[ DIR ]	drwxr-xr-x	2024-09-07 23:28
__init__.py	1.56 KB	-rw-r--r--	2020-10-24 23:17
_asyncbackend.py	1.53 KB	-rw-r--r--	2020-08-19 21:18
_asyncio_backend.py	4.34 KB	-rw-r--r--	2020-10-24 23:17
_curio_backend.py	3.33 KB	-rw-r--r--	2020-10-24 23:17
_immutable_attr.py	2.92 KB	-rw-r--r--	2020-10-24 23:17
_immutable_ctx.py	2.4 KB	-rw-r--r--	2020-10-24 23:17
_trio_backend.py	3.68 KB	-rw-r--r--	2020-10-24 23:17
asyncbackend.py	3 KB	-rw-r--r--	2020-10-24 23:17
asyncquery.py	17.4 KB	-rw-r--r--	2020-10-24 23:17
asyncresolver.py	8.71 KB	-rw-r--r--	2020-10-24 23:17
dnssec.py	19.19 KB	-rw-r--r--	2020-10-24 23:17
e164.py	3.6 KB	-rw-r--r--	2020-08-17 01:59
edns.py	10.72 KB	-rw-r--r--	2020-10-24 23:17
entropy.py	4.07 KB	-rw-r--r--	2020-08-17 01:59
enum.py	2.75 KB	-rw-r--r--	2020-10-24 23:17
exception.py	5.13 KB	-rw-r--r--	2020-10-24 23:17
flags.py	2.58 KB	-rw-r--r--	2020-10-24 23:17
grange.py	2.04 KB	-rw-r--r--	2020-10-24 23:17
immutable.py	1.97 KB	-rw-r--r--	2020-10-24 23:17
inet.py	4.74 KB	-rw-r--r--	2020-10-24 23:17
ipv4.py	1.93 KB	-rw-r--r--	2020-08-17 01:59
ipv6.py	5.92 KB	-rw-r--r--	2020-10-24 23:17
message.py	52.73 KB	-rw-r--r--	2021-01-05 04:29
name.py	31.54 KB	-rw-r--r--	2020-10-24 23:17
namedict.py	3.83 KB	-rw-r--r--	2020-08-17 01:59
node.py	6.42 KB	-rw-r--r--	2020-10-24 23:17
opcode.py	2.58 KB	-rw-r--r--	2021-01-05 03:22
py.typed	0 B	-rw-r--r--	2020-06-27 03:20
query.py	40.46 KB	-rw-r--r--	2020-10-24 23:17
rcode.py	3.9 KB	-rw-r--r--	2021-01-05 03:23
rdata.py	24.32 KB	-rw-r--r--	2021-01-06 03:41
rdataclass.py	2.81 KB	-rw-r--r--	2020-10-24 23:17
rdataset.py	14.54 KB	-rw-r--r--	2020-10-24 23:17
rdatatype.py	6.64 KB	-rw-r--r--	2020-10-24 23:17
renderer.py	8.59 KB	-rw-r--r--	2020-08-17 01:59
resolver.py	59.29 KB	-rw-r--r--	2020-12-29 03:07
reversename.py	3.65 KB	-rw-r--r--	2020-08-17 01:59
rrset.py	7.44 KB	-rw-r--r--	2020-10-24 23:17
serial.py	3.53 KB	-rw-r--r--	2020-08-17 01:59
set.py	7.64 KB	-rw-r--r--	2020-10-24 23:17
tokenizer.py	21.86 KB	-rw-r--r--	2020-10-24 23:17
transaction.py	16.93 KB	-rw-r--r--	2020-10-24 23:17
tsig.py	10.93 KB	-rw-r--r--	2020-10-30 22:15
tsigkeyring.py	2.43 KB	-rw-r--r--	2020-10-24 23:17
ttl.py	2.58 KB	-rw-r--r--	2020-10-24 23:17
update.py	10.55 KB	-rw-r--r--	2020-10-24 23:17
version.py	1.55 KB	-rw-r--r--	2021-01-07 18:20
versioned.py	15.91 KB	-rw-r--r--	2020-10-24 23:17
wire.py	2.48 KB	-rw-r--r--	2020-10-24 23:17
xfr.py	11.61 KB	-rw-r--r--	2020-10-24 23:17
zone.py	34.25 KB	-rw-r--r--	2020-10-24 23:17
zonefile.py	15.25 KB	-rw-r--r--	2020-10-24 23:17

Rename

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

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

class Serial:
    def __init__(self, value, bits=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