Copying and Moving Objects

Overview
This document provides an overview of APIs and SDK code samples related to object copy and movement.
API
Operation
Description
PUT Object - Copy
Setting object replication
Copies an object to the destination path
Advanced APIs (Recommended)
Copying an object
Feature description
This advanced API copies objects smaller than 5 GB by calling copy_object. If an object is larger than or equal to 5 GB, it calls upload_part_copy.
Method prototype
copy(Bucket, Key, CopySource, CopyStatus='Copy', PartSize=10, MAXThread=5, **kwargs)
Sample 1. Copying an object
# -*- coding=utf-8
from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client
import sys
import os
import logging
﻿
# In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print information about the communication with the server.
logging.basicConfig(level=logging.INFO, stream=sys.stdout)
﻿
# 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
secret_id = os.environ['COS_SECRET_ID']     #  User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
secret_key = os.environ['COS_SECRET_KEY']   # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
                           # For the list of regions supported by COS, visit https://www.tencentcloud.com/document/product/436/6224.
token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048.
scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default.
﻿
config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
client = CosS3Client(config)
﻿
response = client.copy(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    CopySource={
        'Bucket': 'sourcebucket-1250000000', 
        'Key': 'sourceobject', 
        'Region': 'ap-guangzhou'
    }
)
Sample 2: moving an object
# -*- coding=utf-8
from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client
import sys
import os
import logging
﻿
# In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print information about the communication with the server.
logging.basicConfig(level=logging.INFO, stream=sys.stdout)
﻿
# 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
secret_id = os.environ['COS_SECRET_ID']     #  User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
secret_key = os.environ['COS_SECRET_KEY']   # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
                           # For the list of regions supported by COS, visit https://www.tencentcloud.com/document/product/436/6224.
token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048.
scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default.
﻿
config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
client = CosS3Client(config)
﻿
bucket = 'examplebucket-1250000000'
srcKey = 'src_object_key'  # Path of the source object
destKey = 'dest_object_key'   # Path of the destination object
﻿
# COS does not offer an API to move objects. To move an object, you can copy it first and delete the old one.
response = client.copy(
    Bucket=bucket,
    Key=destKey,
    CopySource={
        'Bucket':bucket,
        'Key':srcKey,
        'Region':'ap-guangzhou',
    })
client.delete_object(Bucket=bucket, Key=srcKey)
Sample request with all parameters
response = client.copy(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    CopySource={
        'Bucket': 'sourcebucket-1250000000', 
        'Key': 'exampleobject', 
        'Region': 'ap-guangzhou'
    }
    CopyStatus='Copy'|'Replaced',
    PartSize=20,
    MAXThread=10
)
Parameter description
Parameter
Description
Type
Required
Bucket
Bucket name in the format of BucketName-APPID
String
Yes
Key
Object key, which uniquely identifies an object in a bucket. For example, if an object’s access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
String
Yes
CopySource
Path of the source object to copy, which contains Bucket, Key, Region, and VersionId
Dict
Yes
CopyStatus
Copy status. Valid values: Copy, Replaced
String
No
PartSize
Part size for multipart download. Default value: 10 MB
Int
No
MAXThread
Maximum number of concurrent threads for a multipart download. Default value: 5
Int
No
Response description
If the object is smaller than 5 GB, the response of copy_object is returned. Otherwise, the response of complete_multipart_upload is returned. The format is dict.
Simple Operations
Copying an object
Feature description
This API is used to copy an existing object to a destination path.
Method prototype
copy_object(Bucket, Key, CopySource, CopyStatus='Copy', **kwargs)
Sample 1. Copying an object
If the source and destination objects are different, a new object will be generated. The metadata of the destination object will be copied from the source.
# -*- coding=utf-8
from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client
import sys
import os
import logging
﻿
# In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print information about the communication with the server.
logging.basicConfig(level=logging.INFO, stream=sys.stdout)
﻿
# 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
secret_id = os.environ['COS_SECRET_ID']     #  User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
secret_key = os.environ['COS_SECRET_KEY']   # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
                           # For the list of regions supported by COS, visit https://www.tencentcloud.com/document/product/436/6224.
token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048.
scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default.
﻿
config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
client = CosS3Client(config)
﻿
response = client.copy_object(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    CopySource={
        'Bucket': 'sourcebucket-1250000000', 
        'Key': 'sourceobject', 
        'Region': 'ap-guangzhou'
    }
)
Sample 2: moving an object
COS does not offer an API to move objects. To move an object, you can copy it first and delete the old one.
# -*- coding=utf-8
from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client
import sys
import os
import logging
﻿
# In most cases, set the log level to INFO. If you need to debug, you can set it to DEBUG and the SDK will print information about the communication with the server.
logging.basicConfig(level=logging.INFO, stream=sys.stdout)
﻿
# 1. Set user attributes such as secret_id, secret_key, and region. Appid has been removed from CosConfig and thus needs to be specified in Bucket, which is formatted as BucketName-Appid.
secret_id = os.environ['COS_SECRET_ID']     #  User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
secret_key = os.environ['COS_SECRET_KEY']   # User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
region = 'ap-beijing'      # Replace it with the actual region, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
                           # For the list of regions supported by COS, visit https://www.tencentcloud.com/document/product/436/6224.
token = None               # Token is required for temporary keys but not permanent keys. For more information about how to generate and use a temporary key, visit https://www.tencentcloud.com/document/product/436/14048.
scheme = 'https'           # Specify whether to use HTTP or HTTPS protocol to access COS. This field is optional and is `https` by default.
﻿
config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token, Scheme=scheme)
client = CosS3Client(config)
﻿
response = client.copy_object(
    Bucket='examplebucket-1250000000',
    Key='exampleobject',
    CopySource={
        'Bucket': 'sourcebucket-1250000000', 
        'Key': 'sourceobject', 
        'Region': 'ap-guangzhou'
    }
)
client.delete_object(Bucket='sourcebucket-1250000000', Key='sourceobject')
Parameter description
Parameter
Description
Type
Required
Bucket
Bucket name in the format of BucketName-APPID
String
Yes
Key
Object key, which uniquely identifies an object in a bucket. For example, if an object’s access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
String
Yes
CopySource
Path of the source object to copy, which contains Bucket, Key, Region, and VersionId
Dict
Yes
CopyStatus
Valid values: Copy: ignores the configured metadata and copies the file directly; Replaced: modifies the metadata according to the configured metadata. If the destination path is identical to the source path, this parameter must be set to Replaced.
String
Yes
ACL
ACL of the object, such as private or public-read
String
No
GrantFullControl
Grants full permission. Format: id="OwnerUin"
String
No
GrantRead
Grants read permission. Format: id="OwnerUin"
String
No
StorageClass
Storage class of the object. Valid values: STANDARD (default); STANDARD_IA.
String
No
Expires
Expiration time
String
No
CacheControl
Cache policy
String
No
ContentType
Content type
String
No
ContentDisposition
Filename
String
No
ContentEncoding
Encoding type
String
No
ContentLanguage
Language type
String
No
Metadata
User-defined object metadata
Dict
No
Response description
The response contains the attributes of the copied object in dict format:
{
    'ETag': 'string',
    'LastModified': 'string',
    'VersionId': 'string',
    'x-cos-copy-source-version-id': 'string'
}
Parameter
Description
Type
ETag
MD5 checksum of the copied object
String
LastModified
Time when the copied object was last modified
String
versionId
Specifies the version ID of the copied object if versioning is enabled
String
x-cos-copy-source-version-id
Version ID of the source object
String

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tencent cloud

Overview

Advanced APIs (Recommended)

Copying an object

Feature description

Method prototype

Sample 1. Copying an object

Sample 2: moving an object

Sample request with all parameters

Parameter description

Response description

Simple Operations

Copying an object

Feature description

Method prototype

Sample 1. Copying an object

Sample 2: moving an object

Parameter description

Response description

About Tencent Cloud

Help & Support

Resources

User Center

API	Operation	Description
PUT Object - Copy	Setting object replication	Copies an object to the destination path

Parameter	Description	Type	Required
Bucket	Bucket name in the format of `BucketName-APPID`	String	Yes
Key	Object key, which uniquely identifies an object in a bucket. For example, if an object’s access endpoint is `examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg`, its key is `doc/pic.jpg`.	String	Yes
CopySource	Path of the source object to copy, which contains `Bucket`, `Key`, `Region`, and `VersionId`	Dict	Yes
CopyStatus	Copy status. Valid values: `Copy`, `Replaced`	String	No
PartSize	Part size for multipart download. Default value: 10 MB	Int	No
MAXThread	Maximum number of concurrent threads for a multipart download. Default value: 5	Int	No

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Overview

Advanced APIs (Recommended)

Copying an object

Feature description

Method prototype

Sample 1. Copying an object

Sample 2: moving an object

Sample request with all parameters

Parameter description

Response description

Simple Operations

Copying an object

Feature description

Method prototype

Sample 1. Copying an object

Sample 2: moving an object

Parameter description

Response description

About Tencent Cloud

Help & Support

Resources

User Center