mswkt = '''GEOGCS["Chatham Islands 1971",DATUM["Chatham_Islands_Datum_1971",SPHEROID["International 1924",6378388,297],TOWGS84[175,-38,113,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4672"]]'''
m = mapObj('')
m.setWKTProjection(mswkt)
lyr = layerObj(m)
lyr.setWKTProjection(mswkt)