old_contents: #
  # This file is part of the PyMeasure package.
  #
  # Copyright (c) 2013-2021 PyMeasure Developers
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  #
  
  from pymeasure.instruments import Instrument
  from pymeasure.instruments.validators import strict_discrete_set
  
  class nxds(Instrument):
      """ Represents the Edwards nXDS (10i) Vacuum Pump
      and provides a low-level interaction with the instrument.
      This could potentially work with Edwards pump that has a RS232 interface. 
      This instrument is constructed to only start and stop pump.
      """
  
      enable = Instrument.setting("!C802 %d",
                                """ Starts/stops pump with default settings.""",
                                validator=strict_discrete_set,
                                values = (0,1),)
  	
      def __init__(self, resourceName, **kwargs):
          super(nxds, self).__init__(
              resourceName,
              "Edwards NXDS Vacuum Pump",
  	        includeSCPI=False,
              **kwargs
          )
new_contents: #
  # This file is part of the PyMeasure package.
  #
  # Copyright (c) 2013-2021 PyMeasure Developers
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  # THE SOFTWARE.
  #
  
  from pymeasure.instruments import Instrument
  from pymeasure.instruments.validators import strict_discrete_set
  
  class nxds(Instrument):
      """ Represents the Edwards nXDS (10i) Vacuum Pump
      and provides a low-level interaction with the instrument.
      This could potentially work with Edwards pump that has a RS232 interface. 
      This instrument is constructed to only start and stop pump.
      """
  
      enable = Instrument.setting("!C802 %d",
                                """ Starts/stops pump with default settings.""",
                                validator=strict_discrete_set,
                                values = (0,1),)
  	
      def __init__(self, resourceName, **kwargs):
          super(nxds, self).__init__(
              resourceName,
              "Edwards NXDS Vacuum Pump",
  	        includeSCPI=False,
              **kwargs
          )
  	
  
subject: Update nxds.py