Python:如何将Azure Blob从一个容器移动或复制到另一个容器

Question

我在项目中使用Microsoft Azure SDK for Python.我想将Blob从一个容器移动或复制到另一个容器.例如

https://demostorage.blob.core.windows.net/image-container/pretty.jpg

我想把这个blob移动到

https://demostorage.blob.core.windows.net/demo-container/

我在python SDK中找到了以下方法但无法理解它.

def copy_blob(self, container_name, blob_name,...):

我怎样才能做到这一点？谢谢

Answer 1

我这样做了.

from azure.storage.blob import BlobService

def copy_azure_files(self):

        blob_service = BlobService(account_name='account_name', account_key='account_key')
        blob_name = 'pretty.jpg'
        copy_from_container = 'image-container'
        copy_to_container = 'demo-container'

        blob_url = blob_service.make_blob_url(copy_from_container, blob_name)
        # blob_url:https://demostorage.blob.core.windows.net/image-container/pretty.jpg

        blob_service.copy_blob(copy_to_container, blob_name, blob_url)

        #for move the file use this line
        blob_service.delete_blob(copy_from_container, blob_name)

我还没有找到任何Blob Move方法.所以我使用了copy方法然后执行Blob函数.

这是我的解决方案.如果您有更好的方法来处理这一切,请与我分享.

注意:我没有使用任何自定义方法,所有这些方法都包含在SDK中.

Answer 2

使用最新的Azure Blob 存储 SDK。

from azure.storage.blob import BlockBlobService

account_name = "demostorage"
account_key = "lkjASDRwelriJfou3lkjksdfjLj349u9LJfasdjfs/dlkjfjLKSjdfi8ulksjdfAlkjsdfkL762FDSDFSDAfju==" 

source_container_name = "image-container"
source_file_path = "pretty.jpg"

target_container_name = "demo-container"
target_file_path = "pretty_copy.jpg"

service = BlockBlobService(account_name, account_key)

service.copy_blob(
    target_container_name, 
    target_file_path, 
    f"https://{account_name}.blob.core.windows.net/{source_container_name}/{source_file_path}",
)

Answer 3

使用当前版本的 azure-storage-blob（目前为 v12.3.2），您将收到 ImportError：

cannot import name 'BlockBlobService' from 'azure.storage.blob'

此代码在我的情况下有效：

from azure.storage.blob import BlobServiceClient

# Azure
# Get this from Settings/Access keys in your Storage account on Azure portal
account_name = "YOUR_AZURE_ACCOUNT_NAME"
connection_string = "YOUR_AZURE_CONNECTION_STRING"

# Source
source_container_name = "sourcecontainer"
source_file_path = "soure.jpg"
blob_service_client = BlobServiceClient.from_connection_string(connection_string)
source_blob = (f"https://{account_name}.blob.core.windows.net/{source_container_name}/{source_file_path}")

# Target
target_container_name = "targetcontainer"
target_file_path = "target.jpg"
copied_blob = blob_service_client.get_blob_client(target_container_name, target_file_path)
copied_blob.start_copy_from_url(source_blob)

# If you would like to delete the source file
remove_blob = blob_service_client.get_blob_client(source_container_name, source_file_path)
remove_blob.delete_blob()