@classmethod
  def from_json(cls, json_in):
    mapreduce_spec = cls(json_in["name"],
                         json_in["mapreduce_id"],
                         json_in["mapper_spec"],
                         json_in.get("params"),
                         json_in.get("hooks_class_name"))
    return mapreduce_spec
Create new MapreduceSpec from the json, encoded by to_json.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/model.py/MapreduceSpec.from_json