Quick and dirty KML to shape file conversion, with problems :(

merge_ogr.py

import os
import ogr
import osr
import argparse

fileEndsWith = '.shp'
driverName = 'ESRI Shapefile'


def main():
    parser = argparse.ArgumentParser(description='Merge KML files into a shapefile (linestrings or points only, for now).')
    parser.add_argument('files', metavar='N', nargs='+')
    parser.add_argument('--outfile', required=True)
    parser.add_argument('--geometry', required=True)
    args = parser.parse_args()

    geom_type = None
    if args.geometry.lower() == 'linestring':
        geom_type = ogr.wkbLineString
    elif args.geometry.lower() == 'point':
        geom_type = ogr.wkbPoint
    else:
        raise Exception("Unable to match --geometry argument to a type I can handle")

    if not args.outfile.endswith('.shp'):
        raise Exception('outfile must end in .shp')

    out_driver = ogr.GetDriverByName(driverName)

    if os.path.exists(args.outfile):
        out_driver.DeleteDataSource(args.outfile)

    out_ds = out_driver.CreateDataSource(args.outfile)

    srs = osr.SpatialReference()
    srs.ImportFromEPSG(4326)
    out_layer = out_ds.CreateLayer(args.outfile, srs, geom_type=geom_type)

    for fname in args.files:
        if fname.endswith('.kml'):
            ds = ogr.Open(fname)
            layer = ds.GetLayer()
            for feat in layer:
                geom = feat.geometry()
                geom.FlattenTo2D()
                feature_geom_type = geom.GetGeometryType()
                print(geom.GetGeometryName())
                if feature_geom_type == geom_type:
                    out_feat = ogr.Feature(out_layer.GetLayerDefn())
                    out_feat.SetGeometry(feat.GetGeometryRef().Clone())
                    out_layer.CreateFeature(out_feat)
                    out_layer.SyncToDisk()


if __name__ == '__main__':
    main()

Chould this script is run correctly?