ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib / python3.9 / site-packages / dns

# 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

[-] enum.py [edit]
[-] rdata.py [edit]
[-] resolver.py [edit]
[-] _asyncbackend.py [edit]
[-] message.py [edit]
[-] e164.py [edit]
[+] rdtypes
[-] win32util.py [edit]
[-] zone.py [edit]
[-] versioned.py [edit]
[-] tokenizer.py [edit]
[-] tsig.py [edit]
[-] xfr.py [edit]
[-] tsigkeyring.py [edit]
[-] set.py [edit]
[-] rdataset.py [edit]
[-] dnssec.py [edit]
[-] namedict.py [edit]
[-] nameserver.py [edit]
[-] wire.py [edit]
[-] _immutable_ctx.py [edit]
[-] immutable.py [edit]
[-] opcode.py [edit]
[-] ttl.py [edit]
[-] asyncresolver.py [edit]
[-] __init__.py [edit]
[-] name.py [edit]
[-] _ddr.py [edit]
[-] rdatatype.py [edit]
[-] rcode.py [edit]
[-] rrset.py [edit]
[-] zonefile.py [edit]
[-] edns.py [edit]
[-] renderer.py [edit]
[+] ..
[-] _features.py [edit]
[-] zonetypes.py [edit]
[-] asyncquery.py [edit]
[-] dnssectypes.py [edit]
[-] grange.py [edit]
[-] transaction.py [edit]
[-] asyncbackend.py [edit]
[-] reversename.py [edit]
[+] dnssecalgs
[-] entropy.py [edit]
[-] ipv4.py [edit]
[-] inet.py [edit]
[-] version.py [edit]
[-] _asyncio_backend.py [edit]
[+] __pycache__
[-] update.py [edit]
[-] exception.py [edit]
[-] ipv6.py [edit]
[+] quic
[-] serial.py [edit]
[-] node.py [edit]
[-] flags.py [edit]
[-] rdataclass.py [edit]
[-] query.py [edit]