fixing DQ issues

app/core/config.py

@@ -1,4 +1,12 @@
 # app/core/config.py
+"""Summary description ....
+
+This module provides classes and functions for:
+- ....
+- ....
+- ....
+"""
+
 from typing import List, Optional
 
 from pydantic_settings import \
@@ -6,6 +14,8 @@ from pydantic_settings import \
 
 
 class Settings(BaseSettings):
+    """Settings class inheriting from BaseSettings that allows values to be overridden by environment variables."""
+
     # Project information
     project_name: str = "Ecommerce Backend API with Marketplace Support"
     description: str = "Advanced product management system with JWT authentication"

app/core/database.py

@@ -1,3 +1,14 @@
+# app/core/database.py
+"""Summary description ....
+
+This module provides classes and functions for:
+- ....
+- ....
+- ....
+"""
+
+import logging
+
 from sqlalchemy import create_engine
 from sqlalchemy.orm import declarative_base, sessionmaker
 
@@ -8,13 +19,18 @@ SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
 Base = declarative_base()
 
+logger = logging.getLogger(__name__)
 
 # Database dependency with connection pooling
+
+
 def get_db():
+    """Get database object."""
     db = SessionLocal()
     try:
         yield db
     except Exception as e:
+        logger.error(f"Health check failed: {e}")
         db.rollback()
         raise
     finally:

app/core/lifespan.py

@@ -1,3 +1,12 @@
+# app/core/lifespan.py
+"""Summary description ....
+
+This module provides classes and functions for:
+- ....
+- ....
+- ....
+"""
+
 import logging
 from contextlib import asynccontextmanager
 
@@ -16,7 +25,7 @@ auth_manager = AuthManager()
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    """Application lifespan events"""
+    """Application lifespan events."""
     # Startup
     app_logger = setup_logging()  # Configure logging first
     app_logger.info("Starting up ecommerce API")
@@ -43,7 +52,7 @@ async def lifespan(app: FastAPI):
 
 
 def create_indexes():
-    """Create database indexes"""
+    """Create database indexes."""
     with engine.connect() as conn:
         try:
             # User indexes

app/core/logging.py

@@ -1,4 +1,12 @@
 # app/core/logging.py
+"""Summary description ....
+
+This module provides classes and functions for:
+- ....
+- ....
+- ....
+"""
+
 import logging
 import sys
 from pathlib import Path
@@ -7,8 +15,7 @@ from app.core.config import settings
 
 
 def setup_logging():
-    """Configure application logging with file and console handlers"""
-
+    """Configure application logging with file and console handlers."""
     # Create logs directory if it doesn't exist
     log_file = Path(settings.log_file)
     log_file.parent.mkdir(parents=True, exist_ok=True)