mswkt = '''GEOGCS["Unknown datum based upon the Authalic Sphere (deprecated)",DATUM["Not_specified_based_on_Authalic_Sphere",SPHEROID["Sphere",6371000,0,AUTHORITY["EPSG","7035"]],AUTHORITY["EPSG","6035"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree minute second hemisphere",0.0174532925199433,AUTHORITY["EPSG","9108"]],AUTHORITY["EPSG","4035"]]''' m = mapObj('') m.setWKTProjection(mswkt) lyr = layerObj(m) lyr.setWKTProjection(mswkt)