blenderSB assign autosmooth 30 degrees to objects

auto_auto-smooth.py

import bpy
from math import radians

# set smooth with auto-smooth active at 30 degrees

for o in bpy.context.selected_objects:
    o.data.use_auto_smooth = True
    o.data.auto_smooth_angle = radians(30)
    for p in o.data.polygons:
        p.use_smooth = True