"""
PyInstaller runtime hook for pymssql
确保pymssql的FreeTDS DLL能被正确加载
"""
import os
import sys

# 将当前目录添加到DLL搜索路径
if hasattr(os, 'add_dll_directory'):
    # Windows 10+
    if getattr(sys, 'frozen', False):
        # 运行在打包后的环境
        base_path = sys._MEIPASS
        os.add_dll_directory(base_path)