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"""Basis class for all KNX/IP bodies."""
from __future__ import annotations
from abc import ABC, abstractmethod
from typing import ClassVar, cast
from .error_code import ErrorCode
from .knxip_enum import KNXIPServiceType
class KNXIPBody(ABC):
"""Base class for all KNX/IP bodies."""
SERVICE_TYPE: ClassVar[KNXIPServiceType] = cast(KNXIPServiceType, None)
@abstractmethod
def calculated_length(self) -> int:
"""Get length of KNX/IP body."""
@abstractmethod
def from_knx(self, raw: bytes) -> int:
"""Parse/deserialize from KNX/IP raw data."""
@abstractmethod
def to_knx(self) -> bytes:
"""Serialize to KNX/IP raw data."""
def __eq__(self, other: object) -> bool:
"""Equal operator."""
return self.__dict__ == other.__dict__
class KNXIPBodyResponse(KNXIPBody):
"""Base class for all KNX/IP response bodies."""
status_code: ErrorCode = cast(ErrorCode, None)
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