Implementing MutableMapping for blob stores

[jakirkham]

It would be great if there was an object that implemented the MutableMapping interface and could wrap up other blob stores (e.g. BlockBlobService). This way one could use the MutableMapping interface easily to access and manipulate data stored on Azure.

[zezha-msft]

Hi @jakirkham, could you please elaborate a bit on the use case?

[jakirkham]

Sure, our use case is storing array data in the cloud. Some of our users are working with data from climate science, genomics, and microscopy to name a few domains.

Here's a PR ( zarr-developers/zarr-python#345 ) that implements array storage on Azure today. We could massively simplify this if we could use the MutableMapping interface though. 😉

cc @shikharsg (who did the work there)