调用llama3.2-vision,自动识别图片，输出prompt

app/service/prompt_generation/util/minio_util.py

@@ -0,0 +1,21 @@
+import base64
+
+from minio import Minio
+
+from app.core.config import MINIO_URL, MINIO_ACCESS, MINIO_SECRET, MINIO_SECURE
+
+minio_client = Minio(MINIO_URL, access_key=MINIO_ACCESS, secret_key=MINIO_SECRET, secure=MINIO_SECURE)
+
+
+def minio_url_to_base64(minio_url: str) -> str:
+    bucket_name, object_name = minio_url.split("/", 1)
+
+    try:
+        response = minio_client.get_object(bucket_name, object_name)
+        image_data = response.read()
+        return base64.b64encode(image_data).decode('utf-8')
+    except Exception as e:
+        raise RuntimeError(f"Failed to get object: {e}")
+    finally:
+        if 'response' in locals():
+            response.close()