cleanup

example_usage_simplified_data_provider.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+"""
+Example usage of the simplified data provider
+"""
+
+import time
+import logging
+from core.data_provider import DataProvider
+
+# Set up logging
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+def main():
+    """Demonstrate the simplified data provider usage"""
+    
+    # Initialize data provider (starts automatic maintenance)
+    logger.info("Initializing DataProvider...")
+    dp = DataProvider()
+    
+    # Wait for initial data load (happens automatically in background)
+    logger.info("Waiting for initial data load...")
+    time.sleep(15)  # Give it time to load data
+    
+    # Example 1: Get cached historical data (no API calls)
+    logger.info("\n=== Example 1: Getting Historical Data ===")
+    eth_1m_data = dp.get_historical_data('ETH/USDT', '1m', limit=50)
+    if eth_1m_data is not None:
+        logger.info(f"ETH/USDT 1m data: {len(eth_1m_data)} candles")
+        logger.info(f"Latest candle: {eth_1m_data.iloc[-1]['close']}")
+    
+    # Example 2: Get current prices
+    logger.info("\n=== Example 2: Current Prices ===")
+    eth_price = dp.get_current_price('ETH/USDT')
+    btc_price = dp.get_current_price('BTC/USDT')
+    logger.info(f"ETH current price: ${eth_price}")
+    logger.info(f"BTC current price: ${btc_price}")
+    
+    # Example 3: Check cache status
+    logger.info("\n=== Example 3: Cache Status ===")
+    cache_summary = dp.get_cached_data_summary()
+    for symbol in cache_summary['cached_data']:
+        logger.info(f"\n{symbol}:")
+        for timeframe, info in cache_summary['cached_data'][symbol].items():
+            if 'candle_count' in info and info['candle_count'] > 0:
+                logger.info(f"  {timeframe}: {info['candle_count']} candles, latest: ${info['latest_price']}")
+            else:
+                logger.info(f"  {timeframe}: {info.get('status', 'no data')}")
+    
+    # Example 4: Multiple timeframe data
+    logger.info("\n=== Example 4: Multiple Timeframes ===")
+    for tf in ['1s', '1m', '1h', '1d']:
+        data = dp.get_historical_data('ETH/USDT', tf, limit=5)
+        if data is not None and not data.empty:
+            logger.info(f"ETH {tf}: {len(data)} candles, range: ${data['close'].min():.2f} - ${data['close'].max():.2f}")
+    
+    # Example 5: Health check
+    logger.info("\n=== Example 5: Health Check ===")
+    health = dp.health_check()
+    logger.info(f"Data maintenance active: {health['data_maintenance_active']}")
+    logger.info(f"Symbols: {health['symbols']}")
+    logger.info(f"Timeframes: {health['timeframes']}")
+    
+    # Example 6: Wait and show automatic updates
+    logger.info("\n=== Example 6: Automatic Updates ===")
+    logger.info("Waiting 30 seconds to show automatic data updates...")
+    
+    # Get initial timestamp
+    initial_data = dp.get_historical_data('ETH/USDT', '1s', limit=1)
+    initial_time = initial_data.index[-1] if initial_data is not None else None
+    
+    time.sleep(30)
+    
+    # Check if data was updated
+    updated_data = dp.get_historical_data('ETH/USDT', '1s', limit=1)
+    updated_time = updated_data.index[-1] if updated_data is not None else None
+    
+    if initial_time and updated_time and updated_time > initial_time:
+        logger.info(f"✅ Data automatically updated! New timestamp: {updated_time}")
+    else:
+        logger.info("⏳ Data update in progress...")
+    
+    # Clean shutdown
+    logger.info("\n=== Shutting Down ===")
+    dp.stop_automatic_data_maintenance()
+    logger.info("DataProvider stopped successfully")
+
+if __name__ == "__main__":
+    main()