Azure ML Experiments provide ways to read and write CSV files to Azure blob storage through the Reader and Writer modules. However, I need to write a JSON file to blob storage. Since there is no module to do so, I'm trying to do so from within an Execute Python Script module.
# Import the necessary items
from azure.storage.blob import BlobService
def azureml_main(dataframe1 = None, dataframe2 = None):
account_name = 'mystorageaccount'
account_key='mykeyhere=='
json_string='{jsonstring here}'
blob_service = BlobService(account_name, account_key)
blob_service.put_block_blob_from_text("upload","out.json",json_string)
# Return value must be of a sequence of pandas.DataFrame
return dataframe1,
However, this results in an error: ImportError: No module named azure.storage.blob
This implies that the azure-storage Python package is not installed on Azure ML.
How can I write to Azure blob storage from inside an Azure ML Experiment?
Here's the full error message:
Error 0085: The following error occurred during script evaluation, please view the output log for more information:
---------- Start of error message from Python interpreter ----------
data:text/plain,Caught exception while executing function: Traceback (most recent call last):
File "C:\server\invokepy.py", line 162, in batch
mod = import_module(moduleName)
File "C:\pyhome\lib\importlib\__init__.py", line 37, in import_module
__import__(name)
File "C:\temp\azuremod.py", line 19, in <module>
from azure.storage.blob import BlobService
ImportError: No module named azure.storage.blob
---------- End of error message from Python interpreter----------
Start time: UTC 02/06/2016 17:59:47
End time: UTC 02/06/2016 18:00:00`
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