def PutAllEntities(entities):
  for entity in entities:
    datastore.Put(entity)
Return the custom part class registered for *content_type*, or the
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/dev_appserver.py/PutAllEntities--crossover with--dataset/ETHPy150Open python-openxml/python-docx/docx/opc/part.py/PartFactory._part_cls_for