Package diff provides the Diff class that can be used to compare CloudFormation templates.

Package format contains functionality to render a cft.Template into YAML or JSON.

Package graph provides functionality to build a graph of connected nodes with a cfn.Template.

Package parse provides functions for parsing CloudFormation templates from JSON and YAML inputs.

Package pkg provides functionality similar to the AWS CLI cloudformation package command but has greater flexibility, allowing content to be included anywhere in a template To include content into your templates, use any of the following either as YAML tags or as one-property objects, much as AWS instrinsic functions are used, e.g.

AppendStateMap appends a "State" section to the template.

Tags is a mapping from YAML short tags to full instrincic function names.

Comment represents a path to a node and a comment string to attach to it.

PackageAlias is an alias to a module package location A Rain package is a directory of modules, which are single yaml files.

Template represents a CloudFormation template.

Section represents a top level section of a template, like Resources.