Add Cloud Tour Libo knowledge graph platform

scripts/test_qwen_vl.py

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+"""测试通义千问多模态：URL 图片 + 本地图片 两种用法。
+
+用法:
+    export DASHSCOPE_API_KEY=sk-xxxx
+    python scripts/test_qwen_vl.py                       # 跑 URL 用例
+    python scripts/test_qwen_vl.py /path/to/local.jpg    # 跑本地图片用例
+"""
+
+import os
+import sys
+from pathlib import Path
+
+from dashscope import MultiModalConversation
+
+
+def call(image_ref: str, prompt: str = "详细描述这张图片，并提取里面所有可见文字。") -> None:
+    resp = MultiModalConversation.call(
+        model="qwen-vl-max",
+        messages=[
+            {
+                "role": "user",
+                "content": [
+                    {"image": image_ref},
+                    {"text": prompt},
+                ],
+            }
+        ],
+    )
+    if resp.status_code != 200:
+        print(f"FAIL  status={resp.status_code}  code={resp.code}  msg={resp.message}")
+        sys.exit(1)
+
+    # 兼容两种返回结构
+    content = resp.output.choices[0].message.content
+    if isinstance(content, list):
+        text = "".join(seg.get("text", "") for seg in content)
+    else:
+        text = content
+    print("OK\n" + text)
+    print(f"\n[usage] {resp.usage}")
+
+
+def main() -> None:
+    if not os.getenv("DASHSCOPE_API_KEY"):
+        sys.exit("ERROR: 请先 export DASHSCOPE_API_KEY=sk-xxxx")
+
+    if len(sys.argv) > 1:
+        path = Path(sys.argv[1]).expanduser().resolve()
+        if not path.is_file():
+            sys.exit(f"文件不存在: {path}")
+        call(f"file://{path}")
+    else:
+        call("https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20241022/emyrja/dog_and_girl.jpeg")
+
+
+if __name__ == "__main__":
+    main()