music_sampler/actions/volume.py

   1 def run(action, music=None, value=100, fade=0, delta=False, **kwargs):
   2     if music is not None:
   3         music.set_volume(value, delta=delta, fade=fade)
   4     else:
   5         action.mapping.set_master_volume(value, delta=delta, fade=fade)
   6
   7 def description(action, music=None,
   8         value=100, delta=False, fade=0, **kwargs):
   9     formats = []
  10     message = ""
  11     if delta:
  12         if music is not None:
  13             message += "{:+d}% to volume of « {} »"
  14             formats.append(value)
  15             formats.append(music.name)
  16         else:
  17             message += "{:+d}% to volume"
  18             formats.append(value)
  19     else:
  20         if music is not None:
  21             message += "setting volume of « {} » to {}%"
  22             formats.append(music.name)
  23             formats.append(value)
  24         else:
  25             message += "setting volume to {}%"
  26             formats.append(value)
  27
  28     if fade > 0:
  29         message += " with {}s fade"
  30         formats.append(fade)
  31
  32     return _(message).format(*formats)