def GetStage(stage_defn):
  return GetStageClass(stage_defn.get('type'))(stage_defn)
Given a path somewhere below the environment this will return the
dataset/ETHPy150Open GoogleCloudPlatform/Data-Pipeline/app/src/pipelines/pipelines.py/GetStage--crossover with--dataset/ETHPy150Open lektor/lektor/lektor/builder.py/PathCache.to_source_filename