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from __future__ import annotations
from typing import Any
from twisted.internet.defer import Failure
from twisted.internet.task import LoopingCall, deferLater, react
from twisted.web.websocket import WebSocketClientEndpoint, WebSocketTransport
class WebSocketClientDemo:
@classmethod
def buildProtocol(cls, uri: str) -> WebSocketClientDemo:
return cls()
def textMessageReceived(self, data: str) -> None:
print(f"received text: {data!r}")
def negotiationStarted(self, transport: WebSocketTransport) -> None:
self.transport = transport
def negotiationFinished(self) -> None:
self.transport.sendTextMessage("hello, world!")
def bytesMessageReceived(self, data: bytes) -> None:
...
def connectionLost(self, reason: Failure) -> None:
...
def pongReceived(self, payload: bytes) -> None:
...
async def main(reactor: Any) -> None:
endpoint = WebSocketClientEndpoint.new(
reactor, "ws://localhost:8080/websocket-server.rpy"
)
print("connecting...")
await endpoint.connect(WebSocketClientDemo)
print("connected!")
await deferLater(reactor, 10)
react(main)
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