"""SWF workflows."""

import importlib

__all__ = (
    'analytics_digest',
    'spike_detector',
    'trending_tracks',
    'release_approval',
    'chartmetric_spike_detector',
    'playlist_placements',
    'trending_tracks_discrete'
)


def get_flow(flow_name):
    """Get flow by flow name.

    Args:
        flow_name (str): Name of the workflow.

    Returns:
        Flow: Flow object for the particular flow name.

    """
    flow = importlib.import_module('.{}.flow'.format(flow_name), __name__)

    return flow.Flow()