Calling fmeobjects with Python: FMEUniversalReader and FMEUniversalWriter

read_features.py

import sys
sys.path.append(r"C:\Program Files (x86)\FME\fmeobjects\python27")
from fmeobjects import *
import os

root_folder = r"C:\GIS\fme"

#----------------------------------------------------------------------
def read_features():
  """Reads all features within input shapefile, projects it and writes
  to the output shapefile"""
    try:
        reader = FMEUniversalReader("SHAPE", False, [])
        reader.open(os.path.join(root_folder,r"Data\BikePaths_L.shp"),
                    ['UPPER_CASE_ATTR_NAMES','NO'])

        writer = FMEUniversalWriter("SHAPE",{})
        writer.open(os.path.join(root_folder,"out"),
                    ['UPPER_CASE_ATTR_NAMES','NO'])

        schemaFeature = reader.readSchema()
        while schemaFeature != None:
            writer.addSchema(schemaFeature)
            schemaFeature = reader.readSchema()

        feature = reader.read()
        while feature != None:
            feature.reproject("EPSG:3857")
            writer.write(feature)
            feature = reader.read()

        reader.close()
        writer.close()

    except FMEException, err:
        print "FMEException: %s" % err
        sys.exit(1)