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sketchup_to_blender_script.py

import bpy

scene = bpy.context.scene

for ob in scene.objects:
    
    print("--", ob.name)
    
    if ob.type == 'MESH':
        
        print("--", ob.name)
        
        scene.objects.active = ob
        bpy.ops.object.mode_set(mode='EDIT', toggle=False)

        bpy.ops.mesh.reveal()
        bpy.ops.mesh.select_all(action='SELECT')

        # execute any editmode tool
        # bpy.ops.uv.unwrap()
        bpy.ops.uv.smart_project()

        bpy.ops.object.mode_set(mode='OBJECT', toggle=False)