choijaewook
adad553a65
Add ThreadedWebsocketManager-based BinanceWSClient for real-time price streaming, NewsClient for CryptoPanic/NewsAPI fetching with coin filtering, and SocialClient for Reddit post retrieval with keyword filtering and simple keyword-based sentiment scoring. Includes unit tests for news and social clients (4/4 passing). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
import threading
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import logging
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from binance import ThreadedWebsocketManager
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logger = logging.getLogger(__name__)
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class BinanceWSClient:
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def __init__(self, api_key: str, api_secret: str):
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self.api_key = api_key
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self.api_secret = api_secret
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self.twm = None
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self.prices: dict[str, float] = {}
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self._lock = threading.Lock()
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def start(self, symbols: list[str]):
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self.twm = ThreadedWebsocketManager(
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api_key=self.api_key, api_secret=self.api_secret
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)
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self.twm.start()
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streams = [s.lower() + "@miniTicker" for s in symbols]
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self.twm.start_multiplex_socket(
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callback=self._handle_message, streams=streams
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)
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logger.info(f"WebSocket started for {len(symbols)} symbols")
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def _handle_message(self, msg):
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if msg.get("e") == "error":
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logger.error(f"WebSocket error: {msg}")
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return
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data = msg.get("data", msg)
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if "s" in data and "c" in data:
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with self._lock:
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self.prices[data["s"]] = float(data["c"])
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def get_price(self, symbol: str) -> float | None:
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with self._lock:
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return self.prices.get(symbol)
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def get_all_prices(self) -> dict[str, float]:
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with self._lock:
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return dict(self.prices)
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def update_symbols(self, symbols: list[str]):
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if self.twm:
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self.stop()
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self.start(symbols)
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def stop(self):
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if self.twm:
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self.twm.stop()
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logger.info("WebSocket stopped")
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