402 lines
15 KiB
Python
402 lines
15 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Aspose.CAD 真正问题调试脚本
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功能：深入分析Aspose.CAD无法提取线条的真正原因
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作者：AI Assistant
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日期：2024
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"""
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import os
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import sys
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import traceback
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from pathlib import Path
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def print_separator(title=""):
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"""打印分隔线"""
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print("=" * 60)
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if title:
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print(f" {title} ")
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print("=" * 60)
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def debug_image_object():
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"""深入调试Image对象"""
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print_separator("深入调试Image对象")
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try:
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import aspose.cad as cad
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# 查找DWG文件
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dwg_files = list(Path('.').glob('*.dwg'))
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if not dwg_files:
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print("✗ 未找到DWG文件")
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return
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test_file = str(dwg_files[0])
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print(f"使用文件: {test_file}")
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# 加载DWG文件
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with cad.Image.load(test_file) as image:
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print(f"成功加载DWG文件")
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print(f"图像类型: {type(image).__name__}")
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print(f"图像尺寸: {image.width} x {image.height}")
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# 检查Image对象的所有属性
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print(f"\nImage对象的所有属性:")
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all_attrs = [attr for attr in dir(image) if not attr.startswith('_')]
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for attr in all_attrs:
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try:
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value = getattr(image, attr)
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if callable(value):
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print(f" 方法: {attr}()")
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else:
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print(f" 属性: {attr} = {value}")
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except Exception as e:
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print(f" 属性: {attr} (访问失败: {e})")
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# 尝试不同的访问方式
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print(f"\n尝试不同的访问方式:")
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# 方法1：检查是否有CAD特定的属性
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cad_attrs = ['cad_image', 'cad_drawing', 'drawing', 'model', 'layout']
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for attr in cad_attrs:
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try:
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if hasattr(image, attr):
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value = getattr(image, attr)
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print(f" ✓ {attr}: {type(value).__name__}")
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if hasattr(value, '__len__'):
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print(f" 长度: {len(value)}")
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else:
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print(f" ✗ {attr}: 不存在")
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except Exception as e:
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print(f" ✗ {attr}: 访问失败 - {e}")
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# 方法2：尝试转换为其他类型
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print(f"\n尝试类型转换:")
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try:
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# 检查是否有as_cad_image方法
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if hasattr(image, 'as_cad_image'):
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cad_image = image.as_cad_image()
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print(f" ✓ as_cad_image(): {type(cad_image).__name__}")
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else:
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print(f" ✗ as_cad_image(): 不存在")
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except Exception as e:
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print(f" ✗ as_cad_image(): 失败 - {e}")
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# 方法3：检查是否有get_entities方法
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try:
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if hasattr(image, 'get_entities'):
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entities = image.get_entities()
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print(f" ✓ get_entities(): {type(entities).__name__}")
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if hasattr(entities, '__len__'):
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print(f" 实体数量: {len(entities)}")
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else:
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print(f" ✗ get_entities(): 不存在")
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except Exception as e:
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print(f" ✗ get_entities(): 失败 - {e}")
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# 方法4：检查是否有get_blocks方法
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try:
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if hasattr(image, 'get_blocks'):
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blocks = image.get_blocks()
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print(f" ✓ get_blocks(): {type(blocks).__name__}")
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if hasattr(blocks, '__len__'):
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print(f" 块数量: {len(blocks)}")
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else:
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print(f" ✗ get_blocks(): 不存在")
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except Exception as e:
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print(f" ✗ get_blocks(): 失败 - {e}")
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# 方法5：检查是否有get_layers方法
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try:
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if hasattr(image, 'get_layers'):
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layers = image.get_layers()
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print(f" ✓ get_layers(): {type(layers).__name__}")
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if hasattr(layers, '__len__'):
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print(f" 图层数量: {len(layers)}")
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else:
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print(f" ✗ get_layers(): 不存在")
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except Exception as e:
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print(f" ✗ get_layers(): 失败 - {e}")
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# 方法6：尝试遍历图像对象
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try:
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if hasattr(image, '__iter__'):
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print(f" ✓ 图像对象可迭代")
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count = 0
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for item in image:
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print(f" 项目 {count}: {type(item).__name__}")
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count += 1
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if count >= 5:
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break
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print(f" 总共找到 {count} 个项目")
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else:
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print(f" ✗ 图像对象不可迭代")
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except Exception as e:
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print(f" ✗ 遍历图像对象失败: {e}")
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except Exception as e:
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print(f"✗ 调试Image对象失败: {e}")
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traceback.print_exc()
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def check_cad_specific_classes():
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"""检查CAD特定类"""
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print_separator("检查CAD特定类")
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try:
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import aspose.cad as cad
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# 尝试导入CAD特定的类
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cad_classes = [
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'CadImage',
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'CadDrawing',
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'CadDocument',
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'CadFile',
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'CadEntity',
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'CadLine',
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'CadPolyline',
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'CadBlock',
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'CadLayer'
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]
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for class_name in cad_classes:
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try:
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# 尝试从不同模块导入
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modules_to_try = [
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'aspose.cad',
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'aspose.cad.fileformats',
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'aspose.cad.fileformats.cad',
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'aspose.cad.fileformats.cad.cadobjects',
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'aspose.cad.fileformats.cad.cadobjects.cadentities'
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]
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imported = False
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for module_name in modules_to_try:
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try:
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module = __import__(module_name, fromlist=[class_name])
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if hasattr(module, class_name):
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cls = getattr(module, class_name)
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print(f" ✓ {class_name}: 从 {module_name} 导入成功")
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print(f" 类型: {type(cls).__name__}")
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imported = True
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break
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except ImportError:
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continue
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except Exception as e:
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print(f" ✗ 导入失败: {e}")
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continue
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if not imported:
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print(f" ✗ {class_name}: 无法导入")
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except Exception as e:
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print(f" ✗ {class_name}: 检查失败 - {e}")
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except Exception as e:
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print(f"✗ 检查CAD特定类失败: {e}")
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def test_direct_cad_loading():
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"""测试直接加载CAD文件"""
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print_separator("测试直接加载CAD文件")
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try:
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# 查找DWG文件
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dwg_files = list(Path('.').glob('*.dwg'))
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if not dwg_files:
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print("✗ 未找到DWG文件")
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return
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test_file = str(dwg_files[0])
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print(f"使用文件: {test_file}")
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# 方法1：尝试使用CadImage.load
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try:
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from aspose.cad.fileformats.cad import CadImage
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print("✓ 成功导入CadImage")
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cad_image = CadImage.load(test_file)
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print(f"✓ 成功使用CadImage.load加载文件")
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print(f" 类型: {type(cad_image).__name__}")
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# 检查CadImage的属性
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print(f"\nCadImage对象属性:")
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cad_attrs = [attr for attr in dir(cad_image) if not attr.startswith('_')]
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for attr in cad_attrs[:10]: # 只显示前10个
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try:
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value = getattr(cad_image, attr)
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if callable(value):
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print(f" 方法: {attr}()")
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else:
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print(f" 属性: {attr} = {value}")
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except Exception as e:
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print(f" 属性: {attr} (访问失败: {e})")
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# 尝试获取实体
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if hasattr(cad_image, 'entities'):
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entities = cad_image.entities
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print(f"\n✓ 找到entities: {type(entities).__name__}")
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if hasattr(entities, '__len__'):
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print(f" 实体数量: {len(entities)}")
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# 显示前几个实体
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for i, entity in enumerate(entities[:5]):
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print(f" 实体 {i}: {type(entity).__name__}")
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if hasattr(entity, 'entity_type'):
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print(f" 类型: {entity.entity_type}")
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# 尝试获取块
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if hasattr(cad_image, 'blocks'):
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blocks = cad_image.blocks
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print(f"\n✓ 找到blocks: {type(blocks).__name__}")
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if hasattr(blocks, '__len__'):
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print(f" 块数量: {len(blocks)}")
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# 显示前几个块
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for i, block in enumerate(blocks[:3]):
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print(f" 块 {i}: {type(block).__name__}")
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if hasattr(block, 'entities'):
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block_entities = block.entities
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if hasattr(block_entities, '__len__'):
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print(f" 块中实体数量: {len(block_entities)}")
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# 尝试获取图层
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if hasattr(cad_image, 'layers'):
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layers = cad_image.layers
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print(f"\n✓ 找到layers: {type(layers).__name__}")
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if hasattr(layers, '__len__'):
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print(f" 图层数量: {len(layers)}")
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# 显示前几个图层
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for i, layer in enumerate(layers[:3]):
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print(f" 图层 {i}: {type(layer).__name__}")
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if hasattr(layer, 'name'):
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print(f" 名称: {layer.name}")
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if hasattr(layer, 'entities'):
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layer_entities = layer.entities
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if hasattr(layer_entities, '__len__'):
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print(f" 图层中实体数量: {len(layer_entities)}")
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except ImportError as e:
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print(f"✗ 无法导入CadImage: {e}")
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except Exception as e:
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print(f"✗ 使用CadImage.load失败: {e}")
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traceback.print_exc()
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# 方法2：尝试使用其他加载方式
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try:
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import aspose.cad as cad
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# 尝试使用Image.load然后转换
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with cad.Image.load(test_file) as image:
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print(f"\n✓ 使用Image.load加载成功")
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print(f" 类型: {type(image).__name__}")
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# 检查是否有转换方法
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convert_methods = ['to_cad_image', 'as_cad_image', 'get_cad_image']
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for method in convert_methods:
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if hasattr(image, method):
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try:
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cad_image = getattr(image, method)()
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print(f" ✓ {method}(): {type(cad_image).__name__}")
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except Exception as e:
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print(f" ✗ {method}(): 失败 - {e}")
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else:
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print(f" ✗ {method}(): 不存在")
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except Exception as e:
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print(f"✗ 使用Image.load失败: {e}")
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except Exception as e:
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print(f"✗ 测试直接加载CAD文件失败: {e}")
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def check_file_format():
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"""检查文件格式"""
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print_separator("检查文件格式")
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try:
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import aspose.cad as cad
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# 查找DWG文件
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dwg_files = list(Path('.').glob('*.dwg'))
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if not dwg_files:
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print("✗ 未找到DWG文件")
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return
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test_file = str(dwg_files[0])
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print(f"使用文件: {test_file}")
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# 检查文件格式
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try:
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file_format = cad.Image.get_file_format(test_file)
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print(f"✓ 文件格式: {file_format}")
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except Exception as e:
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print(f"✗ 获取文件格式失败: {e}")
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# 检查文件是否可以被加载
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try:
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can_load = cad.Image.can_load(test_file)
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print(f"✓ 可以加载: {can_load}")
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except Exception as e:
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print(f"✗ 检查是否可以加载失败: {e}")
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# 检查文件大小和内容
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file_size = os.path.getsize(test_file)
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print(f"✓ 文件大小: {file_size:,} 字节 ({file_size/1024/1024:.2f} MB)")
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# 读取文件头部信息
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try:
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with open(test_file, 'rb') as f:
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header = f.read(16)
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print(f"✓ 文件头部: {header.hex()}")
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# 检查DWG文件签名
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if header.startswith(b'AC10') or header.startswith(b'AC10'):
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print(f"✓ 检测到DWG文件签名")
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else:
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print(f"⚠ 未检测到标准DWG文件签名")
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except Exception as e:
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print(f"✗ 读取文件头部失败: {e}")
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except Exception as e:
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print(f"检查文件格式失败: {e}")
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def main():
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"""主函数"""
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print_separator("Aspose.CAD 真正问题调试工具")
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print("深入分析Aspose.CAD无法提取线条的真正原因")
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print()
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# 检查文件格式
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check_file_format()
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# 深入调试Image对象
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debug_image_object()
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# 检查CAD特定类
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check_cad_specific_classes()
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# 测试直接加载CAD文件
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test_direct_cad_loading()
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# 总结
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print_separator("调试总结")
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print("基于以上调试结果，可能的原因包括:")
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print("1. 文件格式问题 - DWG文件可能损坏或格式不标准")
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print("2. API使用方式问题 - 需要使用正确的CAD特定API")
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print("3. 文件内容问题 - DWG文件可能不包含线条实体")
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print("4. 版本兼容性问题 - Aspose.CAD版本与文件版本不兼容")
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print("\n建议:")
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print("- 尝试使用其他DWG文件进行测试")
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print("- 使用AutoCAD等软件验证DWG文件内容")
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print("- 尝试将DWG文件转换为DXF格式")
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print("- 联系Aspose技术支持获取帮助")
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if __name__ == "__main__":
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try:
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main()
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except KeyboardInterrupt:
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print("\n\n用户中断了程序执行")
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except Exception as e:
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print(f"\n\n程序执行出错: {e}")
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traceback.print_exc()
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