Can';t使用Azure SDK for Python设置Azure Blob的属性
我试图在blob位置内设置文件的属性,但不知何故它不是持久的Can';t使用Azure SDK for Python设置Azure Blob的属性,python,azure-blob-storage,azure-sdk-python,Python,Azure Blob Storage,Azure Sdk Python,我试图在blob位置内设置文件的属性,但不知何故它不是持久的 from azure.storage.blob import BlobServiceClient, ContentSettings connect_str="connectionString" blob_service_client = BlobServiceClient.from_connection_string(connect_str) # Instantiate a ContainerClient con
from azure.storage.blob import BlobServiceClient, ContentSettings
connect_str="connectionString"
blob_service_client = BlobServiceClient.from_connection_string(connect_str)
# Instantiate a ContainerClient
container_client = blob_service_client.get_container_client("$web")
# List files in blob folder
blobs_list = container_client.list_blobs()
for blob in blobs_list:
print(blob.content_settings.content_type) # application/octet-stream
blob.content_settings.content_type="text/html; charset=utf-8"
print(blob.content_settings.content_type)
输出:
应用程序/八位字节流
text/html;字符集=utf-8
但当我再次尝试跑步时:
blobs_list = container_client.list_blobs()
for blob in blobs_list:
print(blob.content_settings.content_type)
我仍然得到
应用程序/octet流
,我无法理解这是为什么?您更改了一个局部变量,需要显式调用来更改Azure本身的属性。您需要构建blobclient并调用set\uhttp\uheaders
。从循环内部:
blob_client = container_client.get_blob_client(blob)
blob_client.set_http_headers(
content_settings=ContentSettings(
content_type="text/html; charset=utf-8"
)
)
如果您觉得此示例更容易找到,请随时在Azure SDK for Python中打开一个问题:
(我在Python SDK团队的MS工作)当我们执行
blob.content\u settings.content\u type=“text/html;charset=utf-8”
时,这只会更改本地计算机上的变量(不会发送更改此值的请求)。
它本质上类似于在Python程序中设置任何其他变量
如果要在存储帐户上保留此值,则必须发送请求。要更改此值,必须执行以下操作:
from azure.storage.blob import BlobServiceClient, ContentSettings
connect_str="connectionString"
blob_service_client = BlobServiceClient.from_connection_string(connect_str)
# Instantiate a ContainerClient
container_client = blob_service_client.get_container_client("$web")
# List files in blob folder
blobs_list = container_client.list_blobs()
for blob in blobs_list:
print(blob.content_settings.content_type) # application/octet-stream
blob.set_http_headers(
content_settings=ContentSettings(
content_type="text/html; charset=utf-8"
)
)
我觉得它像BlobService、BlobContainer和BlobClient类一样令人困惑。SDK中的一些简单的东西会很有帮助。