新增单个对象与批量copy方法、获取预签名上传URL

Object/AWS/AmazonS3Util.py

@@ -149,3 +149,67 @@ class AmazonS3Util:
             'Key': file_key
         }
         self.session_conn.meta.client.copy(source_dict, to_bucket, file_key)
+
+    def copy_single_obj(self, source_bucket, source_object, target_bucket, target_object, StorageClass=None):
+        """
+        单个对象复制
+        @param source_bucket:源存储桶
+        @param source_object:源对象
+        @param target_bucket:目标存储桶
+        @param target_object:目标对象
+        @param StorageClass:存储类
+        @return: None
+        """
+        s3 = self.session_conn
+        copy_source = {
+            'Bucket': source_bucket,
+            'Key': source_object
+        }
+        target_object = s3.Object(target_bucket, target_object)
+        if StorageClass:
+            target_object.copy_from(CopySource=copy_source, StorageClass=StorageClass)
+        else:
+            target_object.copy_from(CopySource=copy_source)
+
+    def generate_put_obj_url(self, bucket_name, obj_key, storage_class=None):
+        """
+        生成预签名对象URL
+        @param bucket_name: 存储桶名称
+        @param obj_key: 对象key
+        @param storage_class: 存储类 例
+        @return: 对象URL
+        """
+        params = {
+            'Bucket': bucket_name,
+            'Key': obj_key,
+        }
+        if storage_class:
+            params['StorageClass'] = storage_class
+        return self.session_conn.meta.client.generate_presigned_url('put_object',
+                                                                    Params=params,
+                                                                    ExpiresIn=7200)
+
+    def batch_copy_obj(self, source_bucket, target_bucket, prefix, target_prefix, storage_class=None):
+        """
+        批量拷贝对象
+        @param source_bucket: 源存储桶
+        @param target_bucket: 目标存储桶
+        @param prefix: 需要搜索的对象前缀 例：AUS000247LTCLY/vod1/1686043996
+        @param target_prefix: 目标对象前缀 例：app/algorithm-shop/1686043996
+        @param storage_class: 存储类
+        @return: None
+        """
+        s3 = self.session_conn
+        # 遍历源存储桶中指定前缀下的所有对象，依次进行复制操作
+        for obj in s3.Bucket(source_bucket).objects.filter(Prefix=prefix):
+            key = obj.key  # 对象键名
+            target_key = f'{target_prefix}/' + key.split('/')[-1]  # 新的对象键名，此处为 "new_path/" + 原有文件名
+            copy_source = {
+                'Bucket': source_bucket,
+                'Key': key
+            }
+            # 将对象复制到目标存储桶，并设置存储类型和新的对象键名
+            if storage_class:
+                s3.Object(target_bucket, target_key).copy_from(CopySource=copy_source, StorageClass=storage_class)
+            else:
+                s3.Object(target_bucket, target_key).copy_from(CopySource=copy_source)