1

utils/helpers.py

@@ -0,0 +1,31 @@
+from typing import List, Dict, Optional, Any
+from loguru import logger
+
+    
+def safe_float(value, default=0.0):
+    """安全转换为float，处理None和空值"""
+    if value is None:
+        return default
+    try:
+        return float(value)
+    except (ValueError, TypeError):
+        return default
+    
+def safe_int(value, default=0):
+    """安全转换为int"""
+    if value is None:
+        return default
+    try:
+        return int(float(value))
+    except (ValueError, TypeError):
+        return default
+
+def safe_str(self, value: Any, default: str = '') -> str:
+    """安全转换为str"""
+    if value is None:
+        return ""
+    try:
+        return str(value)
+    except Exception as e:
+        logger.error(f"safe_str error: {e}")
+        return ""