envconfig2 makes it easy to read config settings from environment variables
local-pipelines is a parser for bitbucket-pipelines.yml files that will run the pipeline using your local docker-engine.
pyparser is a collection of classes to make it easier to parse text data in a pythonic way.
Mocks for subprocess commands
A Python plugin loader that will search for classes based from a list ofmodules and optionally use the file system to recurse into packages.