Call FME workbench from Python: FMEWorkspaceRunner and dynamic workspace

project_multiple_shapefiles.py

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

#----------------------------------------------------------------------
def project_multiple_shapefiles():
    """Finds all shapefiles in the input folder, projects and outputs
    a projected feature type into output folder."""
    try:
        wkspc_path = r"C:\GIS\fme\FMEWorkbenches\DynamicWorkspace.fmw"
        wkspc = fmeobjects.FMEWorkspaceRunner()

        data_folder = r"C:\GIS\fme\Data"
        for shp in [shp_file for shp_file in os.listdir(data_folder)
                    if shp_file[-4:] == '.shp']:

            parameters = {}
            parameters["Src"] = os.path.join(data_folder,shp)
            parameters["Dest"] = r"C:\GIS\fme\out"
            parameters["SRID"] = r"EPSG:3857"
            wkspc.runWithParameters(wkspc_path,parameters)

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