Sets timeline In/Out points.

• Tools -> Time -> Timeline IO
• Set In and Out.
• Click 'OK.'

• Timeline In/Out points have been changed.

• Copy 'timelineInOut' folder in your .Natron folder.
• Add following lines to your 'initGui.py' file, where <path> is the location of 'timelineInOut' folder.

from <path>.timelineInOut.timelineInOut import *
NatronGui.natron.addMenuCommand('Tools/Time/Timeline IO','timelineInOut()')