完成差旅发票录入流程

scripts/test_multimodal.py

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+#!/usr/bin/env python3
+"""测试 PDF 多模态提取完整链路
+
+用法:
+    python scripts/test_multimodal.py
+"""
+
+import io
+import sys
+from pathlib import Path
+
+# Windows 终端强制 UTF-8
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", errors="replace")
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT))  # noqa: E402
+
+from src.doc.llm_extractor import extract_document  # noqa: E402
+from src.doc.pdf import render_pdf_to_images  # noqa: E402
+
+
+def test_render() -> None:
+    """测试 PDF 渲染"""
+    pdf_path = ROOT / "事前申请单.pdf"
+    if not pdf_path.exists():
+        print(f"跳过: {pdf_path.name} 不存在")
+        return
+
+    print("=" * 60)
+    print("测试 PDF 渲染")
+    print("=" * 60)
+    try:
+        images = render_pdf_to_images(pdf_path, dpi=150)
+        if images:
+            print(f"成功渲染 {len(images)} 页")
+            for i, img_b64 in enumerate(images):
+                print(f"  第 {i + 1} 页: base64 长度 {len(img_b64)} 字符")
+        else:
+            print("渲染返回空列表！")
+    except ImportError as e:
+        print(f"导入失败: {e}")
+    except Exception as e:
+        print(f"渲染异常: {e}")
+
+
+def test_multimodal_extract() -> None:
+    """测试完整的多模态提取链路"""
+    pdf_path = ROOT / "事前申请单.pdf"
+    if not pdf_path.exists():
+        print(f"跳过: {pdf_path.name} 不存在")
+        return
+
+    print()
+    print("=" * 60)
+    print("测试多模态提取")
+    print("=" * 60)
+    try:
+        result = extract_document(pdf_path)
+        if result:
+            print("提取成功:")
+            import json
+
+            print(json.dumps(result, ensure_ascii=False, indent=2))
+        else:
+            print("提取返回空字典！")
+    except Exception as e:
+        print(f"提取异常: {e}")
+        import traceback
+
+        traceback.print_exc()
+
+
+def main() -> None:
+    test_render()
+    test_multimodal_extract()
+    print()
+    print("测试完成!")
+
+
+if __name__ == "__main__":
+    main()