import bpy

def cacheThisSmokeSim(smokeCacheName):
    for scene in bpy.data.scenes:
        for object in scene.objects:
            for modifier in object.modifiers:
                if modifier.type =='SMOKE':
                    if object.name == smokeCacheName:
                        override = {'blend_data': bpy.data,'scene': scene, 'active_object': object.name,'point_cache': modifier.domain_settings.point_cache}
                        #bpy.ops.ptcache.bake_all(override)
                        print ("CACHE THIS*:",smokeCacheName,"n")
                        result =  bpy.ops.ptcache.bake(override,True)
                        print ("END OF CACHE")
                    else:
                        print ("BUT NOT THIS:",object.name)
    return result

cacheResult = cacheThisSmokeSim('SMOKEDOMAIN')

bpy.ops.ptcache.bake_all(override)