old_contents: # pylint: disable=C0111,R0903
  
  """Displays the number of todo items from a text file
  
  Parameters:
      * todo.file: File to read TODOs from (defaults to ~/Documents/todo.txt)
  """
  
  import os.path
  
  import core.module
  import core.widget
  
  class Module(core.module.Module):
      def __init__(self, config):
          super().__init__(config, core.widget.Widget(self.output))
  
          self.__doc = os.path.expanduser(self.parameter('file', '~/Documents/todo.txt'))
          self.__todos = self.count_items()
  
  
      def output(self, widget):
         return str(self.__todos)
  
      def update(self):
         self.__todos = self.count_items()
  
      def state(self, widgets):
          if self.__todos == 0:
              return 'empty'
          return 'items'
  
      def count_items(self):
          try:
              i = -1
              with open(self.__doc) as f:
                  for i, l in enumerate(f):
                      pass
              return i+1
          except Exception:
              return 0
  
  # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
  
new_contents: # pylint: disable=C0111,R0903
  
  """Displays the number of todo items from a text file
  
  Parameters:
      * todo.file: File to read TODOs from (defaults to ~/Documents/todo.txt)
  """
  
  import os.path
  
  import core.module
  import core.widget
  import core.input
  
  class Module(core.module.Module):
      def __init__(self, config):
          super().__init__(config, core.widget.Widget(self.output))
  
          self.__doc = os.path.expanduser(self.parameter('file', '~/Documents/todo.txt'))
          self.__todos = self.count_items()
          core.input.register(self, button=core.input.LEFT_MOUSE, cmd='xdg-open {}'.format(self.__doc))
  
      def output(self, widget):
         return str(self.__todos)
  
      def update(self):
         self.__todos = self.count_items()
  
      def state(self, widgets):
          if self.__todos == 0:
              return 'empty'
          return 'items'
  
      def count_items(self):
          try:
              i = -1
              with open(self.__doc) as f:
                  for i, l in enumerate(f):
                      pass
              return i+1
          except Exception:
              return 0
  
  # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
  
subject: Implement improvement from PR #598