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rag/utils/minio_conn.py

@@ -98,6 +98,50 @@ class RAGFlowMinio(object):
                 time.sleep(1)
         return
 
+    def list_objects(self, bucket: str, prefix: str = "", recursive: bool = True) -> list[dict]:
+        """
+        列出存储桶中指定前缀的所有对象
+
+        :param bucket: 存储桶名称
+        :param prefix: 对象前缀（目录路径）
+        :param recursive: 是否递归列出
+        :return: 对象信息列表 [{"name": str, "size": int, "last_modified": datetime}, ...]
+        """
+        objects = []
+        for attempt in range(3):
+            try:
+                # 确保存储桶存在
+                if not self.conn.bucket_exists(bucket):
+                    logging.warning(f"存储桶不存在: {bucket}")
+                    return []
+
+                # 列出对象
+                result = self.conn.list_objects(bucket, prefix=prefix, recursive=recursive)
+
+                # 收集对象信息
+                for obj in result:
+                    objects.append({
+                        "name": obj.object_name,
+                        "size": obj.size,
+                        "last_modified": obj.last_modified,
+                        "etag": obj.etag,
+                        "content_type": obj.content_type
+                    })
+
+                return objects
+            except S3Error as e:
+                if e.code == "NoSuchBucket":
+                    logging.warning(f"存储桶不存在: {bucket}")
+                    return []
+                logging.exception(f"列出对象时发生S3错误: {e}")
+            except Exception as e:
+                logging.exception(f"列出对象失败 (尝试 {attempt + 1}/3): {e}")
+
+            # 重连并等待
+            self.__open__()
+            time.sleep(1)
+
+        return []
 
 MINIO = RAGFlowMinio()