python v2 - added feartures 1 and 2 - no errors

garminsync/utils.py

@@ -0,0 +1,85 @@
+import logging
+import sys
+from datetime import datetime
+
+# Configure logging
+def setup_logger(name="garminsync", level=logging.INFO):
+    """Setup logger with consistent formatting"""
+    logger = logging.getLogger(name)
+    
+    # Prevent duplicate handlers
+    if logger.handlers:
+        return logger
+    
+    logger.setLevel(level)
+    
+    # Create console handler
+    handler = logging.StreamHandler(sys.stdout)
+    handler.setLevel(level)
+    
+    # Create formatter
+    formatter = logging.Formatter(
+        '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+    )
+    handler.setFormatter(formatter)
+    
+    # Add handler to logger
+    logger.addHandler(handler)
+    
+    return logger
+
+# Create default logger instance
+logger = setup_logger()
+
+def format_timestamp(timestamp_str=None):
+    """Format timestamp string for display"""
+    if not timestamp_str:
+        return "Never"
+    
+    try:
+        # Parse ISO format timestamp
+        dt = datetime.fromisoformat(timestamp_str.replace('Z', '+00:00'))
+        return dt.strftime("%Y-%m-%d %H:%M:%S")
+    except (ValueError, AttributeError):
+        return timestamp_str
+
+def safe_filename(filename):
+    """Make filename safe for filesystem"""
+    import re
+    # Replace problematic characters
+    safe_name = re.sub(r'[<>:"/\\|?*]', '_', filename)
+    # Replace spaces and colons commonly found in timestamps
+    safe_name = safe_name.replace(':', '-').replace(' ', '_')
+    return safe_name
+
+def bytes_to_human_readable(bytes_count):
+    """Convert bytes to human readable format"""
+    if bytes_count == 0:
+        return "0 B"
+    
+    for unit in ['B', 'KB', 'MB', 'GB']:
+        if bytes_count < 1024.0:
+            return f"{bytes_count:.1f} {unit}"
+        bytes_count /= 1024.0
+    return f"{bytes_count:.1f} TB"
+
+def validate_cron_expression(cron_expr):
+    """Basic validation of cron expression"""
+    try:
+        from apscheduler.triggers.cron import CronTrigger
+        # Try to create a CronTrigger with the expression
+        CronTrigger.from_crontab(cron_expr)
+        return True
+    except (ValueError, TypeError):
+        return False
+
+# Utility function for error handling
+def handle_db_error(func):
+    """Decorator for database operations with error handling"""
+    def wrapper(*args, **kwargs):
+        try:
+            return func(*args, **kwargs)
+        except Exception as e:
+            logger.error(f"Database operation failed in {func.__name__}: {e}")
+            raise
+    return wrapper