Bugfix: ContextMenu.Play Format uri string if there is a duration pre…

…sent.

resources/lib/modules/contextmenu.py

@@ -64,11 +64,15 @@ def play(cls, program):
  @classmethod
  def _play(cls, uri, program):
  """Play the selected program with the specified URI."""
+ format_params = {}
  if '{date}' in uri:
- uri = uri.format(date=program.get('start').isoformat())
+ format_params.update({'date': program.get('start').isoformat()})
 
  if '{duration}' in uri:
- uri = uri.format(date=program.get('duration').isoformat())
+ format_params.update({'duration': program.get('duration')})
+
+ if format_params:
+ uri = uri.format(**format_params)
 
  _LOGGER.debug('Executing "%s"', uri)
  kodiutils.execute_builtin('PlayMedia', uri)