old_contents: """
  Generate the rst files for the cookbook from the recipes.
  """
  import sys
  import os
  
  body = r"""
  .. raw:: html
  
      [<a href="{code}">source code</a>]
  
  .. literalinclude:: {code}
      :language: python
      :linenos:
  """
  
  def recipe_to_rst(recipe):
      """
      Convert a .py recipe to a .rst entry for sphinx
      """
      sys.stderr.write("Converting {} to rst ...".format(recipe))
      recipe_file = os.path.split(recipe)[-1]
      recipe_name = os.path.splitext(recipe_file)[0]
      output = recipe_name + '.rst'
      # Get the title from the first lines of the recipe docstring
      title = ''
      with open(recipe) as f:
          for line in f.readlines()[1:]:
              line = line.strip()
              if line == '"""' or not line:
                  break
              title = ' '.join([title, line])
      with open(output, 'w') as f:
          f.write('.. _cookbook_{}:\n\n'.format(recipe_name))
          f.write(title.strip() + '\n')
          f.write('='*len(title) + '\n')
          f.write(body.format(
              code='../_static/cookbook/{}'.format(recipe_file)))
      sys.stderr.write(" done\n")
  
  
  if __name__ == '__main__':
      for recipe in sys.argv[1:]:
          recipe_to_rst(recipe)
  
new_contents: """
  Generate the rst files for the cookbook from the recipes.
  """
  import sys
  import os
  
  body = r"""
  
  **Download** source code: :download:`{recipe}<{code}>`
  
  .. literalinclude:: {code}
      :language: python
  """
  
  def recipe_to_rst(recipe):
      """
      Convert a .py recipe to a .rst entry for sphinx
      """
      sys.stderr.write("Converting {} to rst ...".format(recipe))
      recipe_file = os.path.split(recipe)[-1]
      recipe_name = os.path.splitext(recipe_file)[0]
      output = recipe_name + '.rst'
      # Get the title from the first lines of the recipe docstring
      title = ''
      with open(recipe) as f:
          for line in f.readlines()[1:]:
              line = line.strip()
              if line == '"""' or not line:
                  break
              title = ' '.join([title, line])
      with open(output, 'w') as f:
          f.write('.. _cookbook_{}:\n\n'.format(recipe_name))
          f.write(title.strip() + '\n')
          f.write('='*len(title) + '\n')
          f.write(body.format(
              recipe=recipe_file,
              code='../_static/cookbook/{}'.format(recipe_file)))
      sys.stderr.write(" done\n")
  
  
  if __name__ == '__main__':
      for recipe in sys.argv[1:]:
          recipe_to_rst(recipe)
  
subject: Remove line numbers from recipe code