Blender Git Loki

Adding support for adding copies of existing drivers to other animdata
blocks via PyAPI/RNA

For example:
ob = bpy.context.active_object # assumes default cube has some drivers
added already before running script
dst = bpy.data.objects["Camera"]

adt = dst.animation_data_create()
for driver in ob.animation_data.drivers:
new_driver = adt.drivers.from_existing(driver)