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from abc import ABC, abstractmethod
from typing import Any
class KernelWebsocketConnectionABC(ABC):
"""
This class defines a minimal interface that should
be used to bridge the connection between Jupyter
Server's websocket API and a kernel's ZMQ socket
interface.
"""
websocket_handler: Any
@abstractmethod
async def connect(self):
"""Connect the kernel websocket to the kernel ZMQ connections"""
@abstractmethod
async def disconnect(self):
"""Disconnect the kernel websocket from the kernel ZMQ connections"""
@abstractmethod
def handle_incoming_message(self, incoming_msg: str) -> None:
"""Broker the incoming websocket message to the appropriate ZMQ channel."""
@abstractmethod
def handle_outgoing_message(self, stream: str, outgoing_msg: list[Any]) -> None:
"""Broker outgoing ZMQ messages to the kernel websocket."""
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