1325863837
- Replace line charts with candlestick charts for better visualization - Green candles for up days, red for down days - Daily resolution (30 days) - free tier compatible - Auto-detect intraday vs daily data for proper time/date formatting - Note: 5-min intraday requires paid Polygon tier ($199/month) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""Test script for candlestick chart generation."""
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import logging
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from polygon_api import PolygonAPI
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from chart_generator import ChartGenerator
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import os
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from dotenv import load_dotenv
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load_dotenv()
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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)
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logger = logging.getLogger(__name__)
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def test_candlestick_charts():
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"""Test candlestick chart generation with Polygon data."""
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api_key = os.getenv('POLYGON_API_KEY')
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if not api_key:
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logger.error("POLYGON_API_KEY not set in .env file")
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return False
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logger.info("Initializing Polygon API")
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api = PolygonAPI(api_key)
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# Test tickers
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tickers = ["AAPL", "TSLA"]
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for ticker in tickers:
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logger.info(f"\nTesting candlestick chart for {ticker}...")
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# Fetch candle data
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logger.info(f"Fetching 30-day candle data for {ticker}")
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candle_data = api.get_candles(ticker, days=30, resolution='D')
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if not candle_data:
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logger.error(f"Failed to fetch candle data for {ticker}")
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continue
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logger.info(f"Successfully fetched {len(candle_data['timestamps'])} candles")
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logger.info(f"Price range: ${min(candle_data['low']):.2f} - ${max(candle_data['high']):.2f}")
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# Generate candlestick chart
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logger.info(f"Generating candlestick chart for {ticker}")
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chart = ChartGenerator.create_candlestick_chart(ticker, candle_data, f"{ticker}")
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if not chart:
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logger.error(f"Failed to generate chart for {ticker}")
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continue
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# Save chart
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filename = f"/tmp/{ticker}_candlestick_30d.png"
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with open(filename, "wb") as f:
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f.write(chart.getvalue())
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logger.info(f"Chart saved: {filename} ({len(chart.getvalue())} bytes)")
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logger.info("\nCandlestick chart test completed successfully!")
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return True
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if __name__ == "__main__":
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try:
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success = test_candlestick_charts()
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exit(0 if success else 1)
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except Exception as e:
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logger.error(f"Test failed: {e}", exc_info=True)
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exit(1)
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