"""自定义异常类""" class CADAutomationError(Exception): """CAD自动化处理基础异常""" pass class FileNotFoundError(CADAutomationError): """文件未找到异常""" pass class DXFProcessingError(CADAutomationError): """DXF文件处理异常""" pass class TemplateError(CADAutomationError): """模板相关异常""" pass class ConfigurationError(CADAutomationError): """配置相关异常""" pass class ConversionError(CADAutomationError): """文件转换异常""" pass