from mapscript import mapObj,layerObj wkt = '''PROJCS["South Yemen / Gauss Kruger zone 8 (deprecated)",GEOGCS["South Yemen",DATUM["South_Yemen",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],TOWGS84[-76,-138,67,0,0,0,0],AUTHORITY["EPSG","6164"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4164"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",45],PARAMETER["scale_factor",1],PARAMETER["false_easting",8500000],PARAMETER["false_northing",0],AUTHORITY["EPSG","2091"],AXIS["Y",EAST],AXIS["X",NORTH]]''' m = mapObj('') m.setWKTProjection(wkt) lyr = layerObj(m) lyr.setWKTProjection(wkt)