[LIBCLOUD-1043] Fix Azure upload_object_via_stream used with iter #1287
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Fix Azure upload_object_via_stream used with iter
Description
As described in LIBCLOUD-1043, the Azure Blob Storage driver currently doesn't support use-cases like this:
This is due to the fact that the current implementation of
upload_object_via_stream
assumes that the passed-in iterator always implementsseek
. This pull request adds a fallback for iterators where this is not the case.Status
Checklist (tick everything that applies)