[英]Is it possible to read in all the files from an Azure Blob Storage container, and deleting the files after reading with Python?
[英]Reading excel files from "input" blob storage container and exporting to csv in "output" container with python
我正在嘗試在 python 中開發一個腳本,以從名為“源”的 blob 存儲容器中讀取.xlsx中的文件,將其轉換為.csv並將其存儲在一個新容器中(如果工作,我正在本地測試腳本我應該將它包含在 ADF 管道中)。 到目前為止,我設法訪問了 blob 存儲,但在讀取文件內容時遇到了問題。
from azure.storage.blob import BlobServiceClient, ContainerClient, BlobClient
import pandas as pd
conn_str = "DefaultEndpointsProtocol=https;AccountName=XXXXXX;AccountKey=XXXXXX;EndpointSuffix=core.windows.net"
container = "source"
blob_name = "prova.xlsx"
container_client = ContainerClient.from_connection_string(
conn_str=conn_str,
container_name=container
)
# Download blob as StorageStreamDownloader object (stored in memory)
downloaded_blob = container_client.download_blob(blob_name)
df = pd.read_excel(downloaded_blob)
print(df)
我收到以下錯誤:
ValueError:無效的文件路徑或緩沖區 object 類型:<class 'azure.storage.blob._download.StorageStreamDownloader'>
我嘗試使用.csv文件作為輸入並編寫如下解析代碼:
df = pd.read_csv(StringIO(downloaded_blob.content_as_text()) )
它有效。
關於如何修改代碼以使 excel 文件變得可讀的任何建議?
改變
df = pd.read_excel(downloaded_blob)
至
df = pd.read_excel(downloaded_blob.content_as_bytes())
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