Local changes: Updated model training, removed debug instrumentation, and configuration improvements

src/backtesting/data_provider.py

@@ -0,0 +1,51 @@
+"""Historical data management for backtesting."""
+
+from datetime import datetime
+from typing import List, Optional
+from sqlalchemy.orm import Session
+from src.core.database import get_database, MarketData
+from src.core.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+class DataProvider:
+    """Provides historical data for backtesting."""
+    
+    def __init__(self):
+        """Initialize data provider."""
+        self.db = get_database()
+        self.logger = get_logger(__name__)
+    
+    def get_data(
+        self,
+        exchange: str,
+        symbol: str,
+        timeframe: str,
+        start_date: datetime,
+        end_date: datetime
+    ) -> List[MarketData]:
+        """Get historical data.
+        
+        Args:
+            exchange: Exchange name
+            symbol: Trading symbol
+            timeframe: Timeframe
+            start_date: Start date
+            end_date: End date
+            
+        Returns:
+            List of MarketData objects
+        """
+        session = self.db.get_session()
+        try:
+            return session.query(MarketData).filter(
+                MarketData.exchange == exchange,
+                MarketData.symbol == symbol,
+                MarketData.timeframe == timeframe,
+                MarketData.timestamp >= start_date,
+                MarketData.timestamp <= end_date
+            ).order_by(MarketData.timestamp).all()
+        finally:
+            session.close()
+