Gan, Jimmy
6c0d5a4e63
- Flask-based mold cost calculation application - PostgreSQL database with SQLAlchemy ORM - Docker/Podman containerization - Comprehensive documentation in docs/ - Clean, organized codebase without obsolete files - Production-ready deployment configuration - Enhanced pytest configuration with coverage reporting - Master/Development branch structure
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
import os
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import sys
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import ctypes
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from ctypes.util import find_library
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from pathlib import Path
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class DLLLoaderError(Exception):
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"""自定义DLL加载异常"""
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pass
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def setup_dependencies(dll_paths=None):
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"""配置DLL搜索路径"""
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if dll_paths is None:
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dll_paths = [
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Path(__file__).parent / 'libs',
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Path(os.getenv('LOCALAPPDATA')) / 'MSYS2' / 'mingw64' / 'bin'
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]
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os.environ['PATH'] = os.pathsep.join([
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str(p.resolve()) for p in dll_paths if p.exists()
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]) + os.pathsep + os.environ.get('PATH', '')
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def load_dll(dll_name, mode=ctypes.DEFAULT_MODE, handle_errors=True):
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"""增强版DLL加载函数"""
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try:
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# 尝试标准加载方式
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dll = ctypes.CDLL(dll_name, mode=mode)
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print(f"✅ 成功加载 {dll_name}")
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return dll
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except OSError as e:
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if handle_errors:
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# 尝试通过PATH查找
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lib_path = find_library(dll_name)
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if lib_path:
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return ctypes.CDLL(lib_path, mode=mode)
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# 尝试MSYS2路径
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msys_path = Path(os.getenv('LOCALAPPDATA')) / 'MSYS2' / 'mingw64' / 'bin' / dll_name
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if msys_path.exists():
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return ctypes.CDLL(str(msys_path), mode=mode)
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# 生成详细错误报告
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path_list = os.environ.get('PATH', '').split(os.pathsep)
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raise DLLLoaderError(
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f"无法加载 {dll_name}\n"
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f"错误详情: {str(e)}\n"
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f"搜索路径:\n• " + "\n• ".join(path_list)
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)
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else:
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raise
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# 自动配置默认路径
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try:
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setup_dependencies()
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except Exception as e:
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print(f"⚠️ 初始化依赖失败: {e}")
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if __name__ == '__main__':
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# 自测试代码
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try:
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test_dll = load_dll('gtk-3-0.dll')
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print(f"测试DLL句柄: {test_dll._handle}")
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except DLLLoaderError as e:
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print(f"❌ 自测试失败: {e}")
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