I’m trouble to run the service in version 3.0
of the original file I added only to the lines below
below is the file socketChannel.py
import logging import warnings import uuid from sanic import Blueprint, response from sanic.request import Request from sanic.response import HTTPResponse from socketio import AsyncServer from typing import Optional, Text, Any, List, Dict, Iterable, Callable, Awaitable
from rasa.core.channels.channel import InputChannel from rasa.core.channels.channel import UserMessage, OutputChannel
logger = logging.getLogger(name)
class SocketBlueprint(Blueprint): def init(self, sio: AsyncServer, socketio_path, *args, **kwargs): self.sio = sio self.socketio_path = socketio_path super().init(*args, **kwargs)
def register(self, app, options) -> None:
self.sio.attach(app, self.socketio_path)
super().register(app, options)
class SocketIOOutput(OutputChannel): @classmethod def name(cls) → Text: return “socketio”
def __init__(self, sio, sid, bot_message_evt) -> None:
self.sio = sio
self.sid = sid
self.bot_message_evt = bot_message_evt
async def _send_message(self, socket_id: Text, response: Any) -> None:
"""Sends a message to the recipient using the bot event."""
await self.sio.emit(self.bot_message_evt, response, room=socket_id)
async def send_text_message(
self, recipient_id: Text, text: Text, **kwargs: Any
) -> None:
"""Send a message through this channel."""
await self._send_message(self.sid, {
"text": text#, "metadata": {"linkTarget": "_self"}
})
async def send_image_url(
self, recipient_id: Text, image: Text, **kwargs: Any
) -> None:
"""Sends an image to the output"""
message = {"attachment": {"type": "image", "payload": {"src": image}}}
await self._send_message(self.sid, message)
async def send_text_with_buttons(
self,
recipient_id: Text,
text: Text,
buttons: List[Dict[Text, Any]],
**kwargs: Any,
) -> None:
"""Sends buttons to the output."""
message = {"text": text, "metadata": {"linkTarget": "_self"},
"quick_replies": []}
for button in buttons:
b = {
"content_type": "text",
"title": button["title"]
}
if "metadata" in button:
b["metadata"] = button["metadata"]
if "type" in button:
b["type"] = button["type"]
if "payload" in button:
b["payload"] = button["payload"]
if "url" in button:
b["url"] = button["url"]
message["quick_replies"].append(b)
await self._send_message(self.sid, message)
async def send_elements(
self, recipient_id: Text, elements: Iterable[Dict[Text, Any]], **kwargs: Any
) -> None:
"""Sends elements to the output."""
for element in elements:
message = {
"attachment": {
"type": "template",
"payload": {"template_type": "generic", "elements": element},
}
}
await self._send_message(self.sid, message)
async def send_custom_json(
self, recipient_id: Text, json_message: Dict[Text, Any], **kwargs: Any
) -> None:
"""Sends custom json to the output"""
json_message.setdefault("room", self.sid)
await self.sio.emit(self.bot_message_evt, **json_message)
async def send_attachment(
self, recipient_id: Text, attachment: Dict[Text, Any], **kwargs: Any
) -> None:
"""Sends an attachment to the user."""
await self._send_message(self.sid, {"attachment": attachment})
class SocketIOInput(InputChannel): “”“A socket.io input channel.”“”
@classmethod
def name(cls) -> Text:
return "socketio"
@classmethod
def from_credentials(cls, credentials: Optional[Dict[Text, Any]]) -> InputChannel:
credentials = credentials or {}
return cls(
credentials.get("user_message_evt", "user_uttered"),
credentials.get("bot_message_evt", "bot_uttered"),
credentials.get("namespace"),
credentials.get("session_persistence", False),
credentials.get("socketio_path", "/socket.io"),
)
def __init__(
self,
user_message_evt: Text = "user_uttered",
bot_message_evt: Text = "bot_uttered",
namespace: Optional[Text] = None,
session_persistence: bool = False,
socketio_path: Optional[Text] = "/socket.io",
):
self.bot_message_evt = bot_message_evt
self.session_persistence = session_persistence
self.user_message_evt = user_message_evt
self.namespace = namespace
self.socketio_path = socketio_path
def blueprint(
self, on_new_message: Callable[[UserMessage], Awaitable[Any]]
) -> Blueprint:
# Workaround so that socketio works with requests from other origins.
# https://github.com/miguelgrinberg/python-socketio/issues/205#issuecomment-493769183
sio = AsyncServer(async_mode="sanic", cors_allowed_origins=[])
socketio_webhook = SocketBlueprint(
sio, self.socketio_path, "socketio_webhook", __name__
)
@socketio_webhook.route("/", methods=["GET"])
async def health(_: Request) -> HTTPResponse:
return response.json({"status": "ok"})
@sio.on("connect", namespace=self.namespace)
async def connect(sid: Text, _) -> None:
logger.debug(f"User {sid} connected to socketIO endpoint.")
@sio.on("disconnect", namespace=self.namespace)
async def disconnect(sid: Text) -> None:
logger.debug(f"User {sid} disconnected from socketIO endpoint.")
@sio.on("session_request", namespace=self.namespace)
async def session_request(sid: Text, data: Optional[Dict]):
if data is None:
data = {}
if "session_id" not in data or data["session_id"] is None:
data["session_id"] = uuid.uuid4().hex
await sio.emit("session_confirm", data["session_id"], room=sid)
logger.debug(f"User {sid} connected to socketIO endpoint.")
@sio.on(self.user_message_evt, namespace=self.namespace)
async def handle_message(sid: Text, data: Dict) -> Any:
output_channel = SocketIOOutput(sio, sid, self.bot_message_evt)
if self.session_persistence:
if not data.get("session_id"):
warnings.warn(
"A message without a valid sender_id "
"was received. This message will be "
"ignored. Make sure to set a proper "
"session id using the "
"`session_request` socketIO event."
)
return
sender_id = data["session_id"]
else:
sender_id = sid
message = UserMessage(
data["message"], output_channel,
sender_id, input_channel=self.name(),
metadata=data["customData"]
)
await on_new_message(message)
return socketio_webhook
Can anyone help me