new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
  
  """
  import argparse
  import os
  from rna_tools import rna_tools_lib
  
  def get_parser():
      parser = argparse.ArgumentParser(
          description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
      parser.add_argument("-v", "--verbose",
                          action="store_true", help="be verbose")
      return parser
  
  if __name__ == '__main__':
      parser = get_parser()
      args = parser.parse_args()
      p = rna_tools_lib.get_rna_tools_path() + '/tools/pymol_preview_generator/PyMOL Preview.workflow'
      #cmd = "cp -rv '" + p + "' ~/Library/Services/"
      cmd = 'curl https://raw.githubusercontent.com/mmagnus/rna-tools//master/rna_tools/tools/pymol_preview_generator/PyMOL%20Preview.workflow.zip -o ~/Library/Services/tmp.zip'
      os.system(cmd)
      cmd = "unzip ~/Library/Services/tmp.zip -d 'PyMOL Preview.workflow'"
      os.system(cmd)
  
subject: add dev installer