熊猫和蔚蓝：DataFrame to_csv blob

Question

I want to store a python pandas DataFrame to Azure, but the solution by Jay Gong (Python 2.7) gives me errors:

from azure.storage.blob import BlockBlobService
service = BlockBlobService(
    account_name=STORAGE_ACCOUNT_NAME,
    account_key=STORAGE_ACCOUNT_KEY
)

with io.StringIO() as stream:
    df.to_csv(stream, encoding="utf-8")
    service.create_blob_from_text('containert', 'example.txt', stream)

Returns:

AttributeError: '_io.StringIO' object has no attribute 'encode'

• python 3.7
• pandas 0.23.4
• azure-blob-storage 1.3.1

Answer 1

This works, but is not really elegant:

with io.StringIO() as streamio:
    df.to_csv(streamio, encoding = "utf-8", index=False)
    streamio.seek(0)
    service.create_blob_from_text('containert', 'example.txt', "".join(streamio.readlines()))