| .. _guide_new: | |
| What's New | |
| ========== | |
| Boto 3 is a ground-up rewrite of Boto. It uses a data-driven approach to | |
| generate classes at runtime from JSON description files that are shared | |
| between SDKs in various languages. This includes descriptions for a | |
| high level, object oriented interface similar to those availabe in | |
| previous versions of Boto. | |
| Because Boto 3 is generated from these shared JSON files, we get | |
| fast updates to the latest services and features and a consistent | |
| API across services. Community contributions to JSON description | |
| files in other SDKs also benefit Boto 3, just as contributions to | |
| Boto 3 benefit the other SDKs. | |
| Major Features | |
| -------------- | |
| Boto 3 consists of the following major features: | |
| * **Resources**: a high level, object oriented interface | |
| * **Collections**: a tool to iterate and manipulate groups of resources | |
| * **Clients**: low level service connections | |
| * **Paginators**: automatic paging of responses | |
| * **Waiters**: a way to block until a certain state has been reached | |
| Along with these major features, Boto 3 also provides *sessions* and | |
| per-session *credentials* & *configuration*, as well as basic | |
| components like *authentication*, *parameter* & *response* handling, | |
| an *event system* for customizations and logic to *retry* failed | |
| requests. | |
| Botocore | |
| ~~~~~~~~ | |
| Boto 3 is built atop of a library called | |
| `Botocore <https://pypi.python.org/pypi/botocore>`_, which is shared by the | |
| `AWS CLI <http://aws.amazon.com/cli/>`_. Botocore provides the low level | |
| clients, session, and credential & configuration data. Boto 3 builds on top | |
| of Botocore by providing its own session, resources and collections. | |