I have a blueprint of freezer to support s3 storage driver , so I need to
add boto3 to the requirements .
Why use boto3 but not boto?
Boto3  isthe next version of Boto, is now stable and recommended for general
use. It can be used side-by-side with Boto in the same project, so it is easy
to start using Boto3 in your existing projects as well as new projects. Going
forward, API updates and all new feature work will be focused on Boto3.
Boto3 requires botocore, jmespath and s3transfer. botocore and jmespath are
already used by boto, this is because boto is used by ec2-api (and
heat-cfntools, rally and swift3). After adding Boto3 to requirements, we will
have old and new libraries ATM.
How about using boto3 instead of boto? This will require us to do some
migration about boto to boto3.
Anyone has ideas or suggesstions? Thank you very much!
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