269 lines
12 KiB
Python
269 lines
12 KiB
Python
import logging
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import threading
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import time
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import json
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import emoji
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import random
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from dateutil import parser
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from TwitchChannelPointsMiner.classes.EventPrediction import EventPrediction
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from TwitchChannelPointsMiner.classes.Raid import Raid
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from TwitchChannelPointsMiner.classes.TwitchWebSocket import TwitchWebSocket
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logger = logging.getLogger(__name__)
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def get_streamer_index(streamers, channel_id):
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return next(i for i, x in enumerate(streamers) if x.channel_id == channel_id)
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"""
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API Limits
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- Clients can listen on up to 50 topics per connection. Trying to listen on more topics will result in an error message.
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- We recommend that a single client IP address establishes no more than 10 simultaneous connections.
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The two limits above are likely to be relaxed for approved third-party applications, as we start to better understand third-party requirements.
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"""
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class WebSocketsPool:
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def __init__(
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self, twitch, twitch_browser, streamers, bet_settings, events_predictions
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):
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self.ws = None
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self.twitch = twitch
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self.twitch_browser = twitch_browser
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self.streamers = streamers
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self.events_predictions = events_predictions
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self.bet_settings = bet_settings
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def submit(self, topic):
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if self.ws is None or len(self.ws.topics) >= 50:
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self.create_new_websocket()
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self.ws.topics.append(topic)
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if not self.ws.is_opened:
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self.ws.pending_topics.append(topic)
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else:
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self.ws.listen(topic, self.twitch.twitch_login.get_auth_token())
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def create_new_websocket(self):
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self.ws = TwitchWebSocket(
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"wss://pubsub-edge.twitch.tv/v1",
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on_message=WebSocketsPool.on_message,
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on_open=WebSocketsPool.on_open,
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on_close=WebSocketsPool.handle_websocket_reconnection,
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)
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self.ws.parent_pool = self
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self.ws.keep_running = True
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self.ws.is_closed = False
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self.ws.is_opened = False
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# Custom attribute
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self.ws.topics = []
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self.ws.pending_topics = []
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self.ws.twitch = self.twitch
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self.ws.twitch_browser = self.twitch_browser
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self.ws.streamers = self.streamers
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self.ws.bet_settings = self.bet_settings
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self.ws.events_predictions = self.events_predictions
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self.ws.last_message_time = 0
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self.ws.last_message_type = None
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self.thread_ws = threading.Thread(target=lambda: self.ws.run_forever())
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self.thread_ws.daemon = True
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self.thread_ws.start()
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def end(self):
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self.ws.keep_running = False
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self.ws.close()
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@staticmethod
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def on_open(ws):
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def run():
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ws.is_opened = True
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ws.ping()
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for topic in ws.pending_topics:
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ws.listen(topic, ws.twitch.twitch_login.get_auth_token())
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while not ws.is_closed:
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ws.ping()
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time.sleep(random.uniform(25, 30))
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thread_ws = threading.Thread(target=run)
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thread_ws.daemon = True
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thread_ws.start()
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@staticmethod
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def handle_websocket_reconnection(ws):
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ws.is_closed = True
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if ws.keep_running is True:
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logger.info("Reconnecting to Twitch PubSub server in 30 seconds")
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time.sleep(30)
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self = ws.parent_pool
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if self.ws == ws:
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self.ws = None
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for topic in ws.topics:
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self.submit(topic)
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@staticmethod
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def on_message(ws, message):
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logger.debug(f"Received: {message.strip()}")
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response = json.loads(message)
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if response["type"] == "MESSAGE":
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data = response["data"]
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topic, topic_user = data["topic"].split(".")
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message = json.loads(data["message"])
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message_type = message["type"]
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message_data = None
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if "data" in message:
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message_data = message["data"]
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# If we have more than one PubSub connection, messages may be duplicated
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if (
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time.time() - ws.last_message_time < 0.1
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and ws.last_message_type == message_type
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):
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ws.last_message_time = time.time()
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return
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ws.last_message_time = time.time()
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ws.last_message_type = message_type
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if topic == "community-points-user-v1":
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if message_type == "points-earned":
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streamer_index = get_streamer_index(
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ws.streamers, message_data["channel_id"]
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)
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earned = message_data["point_gain"]["total_points"]
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reason_code = message_data["point_gain"]["reason_code"]
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balance = message_data["balance"]["balance"]
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ws.streamers[streamer_index].channel_points = balance
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logger.info(
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emoji.emojize(
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f":rocket: +{earned} → {ws.streamers[streamer_index]} - Reason: {reason_code}.",
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use_aliases=True,
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)
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)
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ws.streamers[streamer_index].update_history(reason_code, earned)
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elif message_type == "claim-available":
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streamer_index = get_streamer_index(
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ws.streamers, message_data["claim"]["channel_id"]
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)
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ws.twitch.claim_bonus(
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ws.streamers[streamer_index], message_data["claim"]["id"]
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)
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elif topic == "video-playback-by-id":
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streamer_index = get_streamer_index(ws.streamers, topic_user)
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if message_type == "stream-down":
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ws.streamers[streamer_index].set_offline()
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elif message_type == "viewcount":
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ws.twitch.check_streamer_online(ws.streamers[streamer_index])
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# There is stream-up message type, but it's sent earlier than the API updates
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elif topic == "raid":
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streamer_index = get_streamer_index(ws.streamers, topic_user)
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if message_type == "raid_update_v2":
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raid = Raid(message["raid"]["id"], message["raid"]["target_login"])
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ws.twitch.update_raid(ws.streamers[streamer_index], raid)
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elif topic == "predictions-channel-v1":
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try:
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# message_data["event"]["channel_id"]
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streamer_index = get_streamer_index(ws.streamers, topic_user)
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event_dict = message_data["event"]
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event_id = event_dict["id"]
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event_status = event_dict["status"]
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current_timestamp = parser.parse(message_data["timestamp"])
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if event_id not in ws.events_predictions:
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if event_status == "ACTIVE":
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time.sleep(random.uniform(0.5, 1.5))
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prediction_window_seconds = (
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float(event_dict["prediction_window_seconds"]) - 25
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)
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event = EventPrediction(
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ws.streamers[streamer_index],
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event_id,
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event_dict["title"],
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parser.parse(event_dict["created_at"]),
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prediction_window_seconds,
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event_status,
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event_dict["outcomes"],
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bet_settings=ws.bet_settings,
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)
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if (
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ws.streamers[streamer_index].is_online
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and event.closing_bet_after(current_timestamp) > 0
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):
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ws.events_predictions[event_id] = event
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if ws.twitch_browser.currently_is_betting is False:
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if ws.twitch_browser.start_bet(
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ws.events_predictions[event_id]
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):
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# place_bet_thread = threading.Timer(event.closing_bet_after(current_timestamp), ws.twitch.make_predictions, (ws.events_predictions[event_id],))
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place_bet_thread = threading.Timer(
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event.closing_bet_after(current_timestamp),
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ws.twitch_browser.place_bet,
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(ws.events_predictions[event_id],),
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)
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place_bet_thread.daemon = True
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place_bet_thread.start()
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logger.info(
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emoji.emojize(
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f":alarm_clock: Thread should start and place the bet after: {event.closing_bet_after(current_timestamp)}s for the event: {ws.events_predictions[event_id]}",
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use_aliases=True,
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)
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)
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else:
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ws.events_predictions[event_id].status = event_status
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# Game over we can't update anymore the values... The bet was placed!
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if (
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ws.events_predictions[event_id].bet_placed is False
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and ws.events_predictions[event_id].bet.decision is None
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):
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ws.events_predictions[event_id].bet.update_outcomes(
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event_dict["outcomes"]
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)
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except Exception:
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logger.error(f"Exception raised for topic {topic}", exc_info=True)
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elif topic == "predictions-user-v1":
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try:
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time.sleep(random.uniform(1, 2))
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if message_type == "prediction-result":
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event_id = message_data["prediction"]["event_id"]
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event_result = message_data["prediction"]["result"]
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if event_id in ws.events_predictions:
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logger.info(
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emoji.emojize(
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f":bar_chart: {ws.events_predictions[event_id]} - Result: {event_result['type']}, Points won: {event_result['points_won'] if event_result['points_won'] else 0}",
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use_aliases=True,
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)
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)
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ws.events_predictions[event_id].final_result = {
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"type": event_result["type"],
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"won": event_result["points_won"]
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if event_result["points_won"]
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else 0,
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}
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except Exception:
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logger.error(f"Exception raised for topic {topic}", exc_info=True)
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elif response["type"] == "RESPONSE" and len(response.get("error", "")) > 0:
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raise RuntimeError(f"Error while trying to listen for a topic: {response}")
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elif response["type"] == "RECONNECT":
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logger.info(f"Reconnection required and keep running is: {ws.keep_running}")
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WebSocketsPool.handle_websocket_reconnection(ws)
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