polaris.Component.get_or_create_shared_step

Component.get_or_create_shared_step(step_cls, subdir, config, config_filename=None, **kwargs)

Get a shared step from the component if it exists, otherwise create and add it.

Parameters:

• step_cls (type) – The class of the step to create if it doesn’t exist

• subdir (str) – The subdirectory for the step

• config (polaris.config.PolarisConfigParser) – The shared config options for this step

• config_filename (str) – the name of the symlink to the shared configuration file in this step

• kwargs (dict) – Arguments to pass to the step constructor

Returns:

step (polaris.Step) – The shared step instance