How can I directly upload a string to azure storage blob using the python sdk?

Question

What is the best way to upload a JSON string (created in memory, not read from a file) to azure blob storage using the python sdk?

I understand from the docs at https://pypi.org/project/azure-storage-blob/ that I can upload a file to azure blob storage by doing the following.

from azure.storage.blob import BlobClient

blob = BlobClient.from_connection_string(conn_str="<connection_string>", container_name="my_container", blob_name="my_blob")

with open("./SampleSource.txt", "rb") as data:
    blob.upload_blob(data)

but I am struggling to find any examples where a string is uploaded directly.

Is it possible to upload a string directly? If so, how is it done in python?

Thanks.

Gaurav Mantri · Accepted Answer · 2020-06-27 00:10:09Z

6

You can simply pass the string to upload_blob method. No need to do anything special.

For example, code below should work just fine.

blob = BlobClient.from_connection_string(conn_str="<connection_string>", container_name="my_container", blob_name="my_blob")

data = "This is a test"
blob.upload_blob(data)

answered Jun 27, 2020 at 0:10

Gaurav Mantri

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1 Comment

Grant Culp Over a year ago

This worked for me - not a part of the original question but the data uploaded has to be a string. I was trying to do it with a dictionary and it wasn't working so just use json.dumps to get it into a string.

geominded · Accepted Answer · 2021-04-15 03:29:02Z

2

If you're trying to upload a json object and not a json formatted string, you'll first need to turn the json obj into a string so that BlobClient can upload. e.g. if getting a json obj from an api...

response = requests.get("<some endpoint>")
blob = BlobClient.from_connection_string(conn_str="<connection_string>", container_name="my_container", blob_name="my_blob")

data = json.dumps(response.json())
blob.upload_blob(data)

answered Apr 15, 2021 at 3:29

geominded

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