def GetSourceName(get_version=GetVersionObject):
  version = get_version()
  if version is None:
    release = 'unknown'
  else:
    release = version['release']
  return 'Google-appcfg-%s' % (release,)
Allow the nested Column source to be its own handler.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/GetSourceName--crossover with--dataset/ETHPy150Open pivotal-energy-solutions/django-datatable-view/datatableview/columns.py/CompoundColumn.get_source_handler