old_contents: """Check updates to Arch Linux.
  
  Requires the following executable:
      * checkupdates (from pacman-contrib)
  
  """
  
  
  import subprocess
  import bumblebee.input
  import bumblebee.output
  import bumblebee.engine
  
  
  class Module(bumblebee.engine.Module):
      def __init__(self, engine, config):
          widget = bumblebee.output.Widget(full_text=self.utilization)
          super(Module, self).__init__(engine, config, widget)
          self.packages = self.check_updates()
  
      def check_updates(self):
          p = subprocess.Popen(
                  'checkupdates', stdout=subprocess.PIPE, shell=True)
  
          p_status = p.wait()
  
          if p_status == 0:
              (output, err) = p.communicate()
  
              output = output.decode('utf-8')
              packages = output.split('\n')
              packages.pop()
  
              return len(packages)
          return 0
  
      @property
      def _format(self):
          return self.parameter('format', 'Update Arch: {}')
  
      def utilization(self, widget):
          return self._format.format(self.packages)
  
      def hidden(self):
          return self.check_updates() == 0
  
      def update(self, widgets):
          self.packages = self.check_updates()
  
      def state(self, widget):
          return self.threshold_state(self.packages, 1, 100)
  
new_contents: """Check updates to Arch Linux.
  
  Requires the following executable:
      * checkupdates (from pacman-contrib)
  
  """
  import core.module
  import core.widget
  import core.decorators
  
  import util.cli
  
  class Module(core.module.Module):
      @core.decorators.every(minutes=60)
      def __init__(self, config):
          super().__init__(config, core.widget.Widget(self.utilization))
          self.__packages = None
  
      @property
      def __format(self):
          return self.parameter('format', 'Update Arch: {}')
  
      def utilization(self, widget):
          return self.__format.format(self.__packages)
  
      def hidden(self):
          return self.check_updates() == 0
  
      def update(self):
          result = util.cli.execute('checkupdates')
          self.__packages = len(result.split('\n')) - 1
  
      def state(self, widget):
          return self.threshold_state(self.__packages, 1, 100)
  
  # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
  
subject: Update to latest API