import enum

import logging

from typing import Dict, List, Optional, Sequence, Tuple, Union

from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, Union

from .._cache import DNSCache

from .._dns import DNSPointer, DNSQuestion, DNSRecord

self.additionals.append(record)

def add_question_or_one_cache(

self, cache: DNSCache, now: float, name: str, type_: int, class_: int

self, cache: DNSCache, now: float_, name: str_, type_: int_, class_: int_

) -> None:

"""Add a question if it is not already cached."""

cached_entry = cache.get_by_details(name, type_, class_)

self.add_answer_at_time(cached_entry, now)

def add_question_or_all_cache(

self, cache: DNSCache, now: float, name: str, type_: int, class_: int

self, cache: DNSCache, now: float_, name: str_, type_: int_, class_: int_

) -> None:

"""Add a question if it is not already cached.

This is currently only used for IPv6 addresses.

def write_string(self, value: bytes) -> None:

"""Writes a string to the packet"""

assert isinstance(value, bytes)

if TYPE_CHECKING:

assert isinstance(value, bytes)

self.data.append(value)

self.size += len(value)

self.write_string(utfstr)

def write_character_string(self, value: bytes) -> None:

assert isinstance(value, bytes)

if TYPE_CHECKING:

assert isinstance(value, bytes)

length = len(value)

if length > 256:

raise NamePartTooLongException