from mapscript import mapObj,layerObj
wkt = '''PROJCS["IGN53 Mare / UTM zone 58S",GEOGCS["IGN53 Mare",DATUM["IGN53_Mare",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6641"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4641"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",165],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],AUTHORITY["EPSG","2995"],AXIS["Easting",EAST],AXIS["Northing",NORTH]]'''
m = mapObj('')
m.setWKTProjection(wkt)
lyr = layerObj(m)
lyr.setWKTProjection(wkt)