Hi, everyone: I have a blueprint of freezer to support s3 storage driver [1], so I need to add boto3 to the requirements [2]. Why use boto3 but not boto? Boto3 [3] 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. Problem 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. My suggenstion 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! [1]https://review.openstack.org/#/c/471295 [2]https://review.openstack.org/#/c/473067 [3]https://github.com/boto/boto3 Pengju Jiao mail:jiaopengju at cmss.chinamobile.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20170619/57ac447b/attachment.html>