def GetPlatformToken(os_module=os, sys_module=sys, platform=sys.platform):
  """Returns a 'User-agent' token for the host system platform.

  Args:
    os_module, sys_module, platform: Used for testing.

  Returns:
    String containing the platform token for the host system.
  """
  if hasattr(os_module, "uname"):
    uname = os_module.uname()
    return "%s/%s" % (uname[0], uname[2])
  else:
    return "unknown"
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/appengine_rpc.py/GetPlatformToken/original