old_contents: import os
  import stat
  from subprocess import call
  
  NPATH = os.path.expanduser("~/.local/share/nautilus")
  SPATH = os.path.join(NPATH, "scripts")
  
  script = \
      """#!/usr/bin/python
  
  import sys
  import os.path
  import subprocess
  
  folders = [path for path in sys.argv[1:] if os.path.isdir(path)]
  any_file_selected = len(folders) < len(sys.argv[1:])
  if any_file_selected:
      subprocess.Popen(["jupyter-%s"])
  for folder in folders:
      os.chdir(folder)
      subprocess.Popen(["jupyter-%s"])
      os.chdir("..")
  
  """
  
  
  def add_jupyter_here():
      if not os.path.exists(NPATH):
          print("Nothing done. Currently only Gnome with Nautilus as file ",
                "manager is supported.")
          return
      if not os.path.exists(SPATH):
          os.makedirs(SPATH)
  
      logo_path = os.path.expandvars(os.path.join(
          os.path.dirname(__file__), 'icons'))
      logos = {'qtconsole': os.path.join(logo_path, 'jupyter-qtconsole.png'),
               'notebook': os.path.join(logo_path, 'jupyter.png'),
               'lab': os.path.join(logo_path, 'jupyter.png')}
      for terminal in ["qtconsole", "notebook", "lab"]:
          script_path = os.path.join(SPATH, "Jupyter %s here" % terminal)
          if not os.path.exists(script_path):
              with open(script_path, "w") as f:
                  f.write(script % (terminal, terminal))
              st = os.stat(script_path)
              os.chmod(script_path, st.st_mode | stat.S_IEXEC)
              call(['gio', 'set', '-t', 'string', '%s' % script_path,
                    'metadata::custom-icon', 'file://%s' % logos[terminal]])
              print('Jupyter %s here created.' % terminal)
  
  
  def remove_jupyter_here():
      for terminal in ["qtconsole", "notebook", "lab"]:
          script_path = os.path.join(SPATH, "Jupyter %s here" % terminal)
          if os.path.exists(script_path):
              os.remove(script_path)
              print("Jupyter %s here removed." % terminal)
  
new_contents: import os, sys
  import stat
  from subprocess import call
  
  NPATH = os.path.expanduser("~/.local/share/nautilus")
  SPATH = os.path.join(NPATH, "scripts")
  PATH = "%s/bin"%sys.exec_prefix
  
  script = \
      """#!/usr/bin/python
  
  import sys
  import os.path
  import subprocess
  
  folders = [path for path in sys.argv[1:] if os.path.isdir(path)]
  any_file_selected = len(folders) < len(sys.argv[1:])
  if any_file_selected:
      subprocess.Popen(["%s/jupyter-%s"])
  for folder in folders:
      os.chdir(folder)
      subprocess.Popen(["%s/jupyter-%s"])
      os.chdir("..")
  
  """
  
  
  def add_jupyter_here():
      if not os.path.exists(NPATH):
          print("Nothing done. Currently only Gnome with Nautilus as file ",
                "manager is supported.")
          return
      if not os.path.exists(SPATH):
          os.makedirs(SPATH)
  
      logo_path = os.path.expandvars(os.path.join(
          os.path.dirname(__file__), 'icons'))
      logos = {'qtconsole': os.path.join(logo_path, 'jupyter-qtconsole.png'),
               'notebook': os.path.join(logo_path, 'jupyter.png'),
               'lab': os.path.join(logo_path, 'jupyter.png')}
      for terminal in ["qtconsole", "notebook", "lab"]:
          script_path = os.path.join(SPATH, "Jupyter %s here" % terminal)
          if not os.path.exists(script_path):
              with open(script_path, "w") as f:
                  f.write(script % (PATH, terminal, PATH, terminal))
              st = os.stat(script_path)
              os.chmod(script_path, st.st_mode | stat.S_IEXEC)
              call(['gio', 'set', '-t', 'string', '%s' % script_path,
                    'metadata::custom-icon', 'file://%s' % logos[terminal]])
              print('Jupyter %s here created.' % terminal)
  
  
  def remove_jupyter_here():
      for terminal in ["qtconsole", "notebook", "lab"]:
          script_path = os.path.join(SPATH, "Jupyter %s here" % terminal)
          if os.path.exists(script_path):
              os.remove(script_path)
              print("Jupyter %s here removed." % terminal)
  
subject: Add python distribution/environment prefix for gnome.