from mapscript import mapObj,layerObj
wkt = '''GEOGCS["WGS 72BE",DATUM["WGS_1972_Transit_Broadcast_Ephemeris",SPHEROID["WGS 72",6378135,298.26,AUTHORITY["EPSG","7043"]],TOWGS84[0,0,1.9,0,0,0.814,-0.38],AUTHORITY["EPSG","6324"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4324"]]'''
m = mapObj('')
m.setWKTProjection(wkt)
lyr = layerObj(m)
lyr.setWKTProjection(wkt)