from mapscript import mapObj,layerObj wkt = '''PROJCS["Makassar / NEIEZ",GEOGCS["Makassar",DATUM["Makassar",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],TOWGS84[-587.8,519.75,145.76,0,0,0,0],AUTHORITY["EPSG","6257"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4257"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Mercator_1SP"],PARAMETER["central_meridian",110],PARAMETER["scale_factor",0.997],PARAMETER["false_easting",3900000],PARAMETER["false_northing",900000],AUTHORITY["EPSG","3002"],AXIS["X",EAST],AXIS["Y",NORTH]]''' m = mapObj('') m.setWKTProjection(wkt) lyr = layerObj(m) lyr.setWKTProjection(wkt)