ArcGIS create footprint for raster folder

gistfile1.txt

#Inspired by the code present in this answer:
#http://gis.stackexchange.com/a/26944/2043

import arcpy,os

def main():
    InFolder = arcpy.GetParameterAsText(0)
    Dest=arcpy.GetParameterAsText(1)
    
    arcpy.env.workspace=InFolder
    #The raster datasets in the input workspace
    in_raster_datasets = arcpy.ListRasters()
    
    arcpy.CreateFeatureclass_management(os.path.dirname(Dest),
                                       os.path.basename(Dest),
                                       "POLYGON")
    arcpy.AddField_management(Dest,"RasterName", "String","","",250)
    arcpy.AddField_management(Dest,"RasterPath", "String","","",250)
    
    cursor = arcpy.InsertCursor(Dest)
    point = arcpy.Point()
    array = arcpy.Array()
    corners = ["lowerLeft", "lowerRight", "upperRight", "upperLeft"]
    for Ras in in_raster_datasets:
        feat = cursor.newRow()  
        r = arcpy.Raster(Ras)
        for corner in corners:    
            point.X = getattr(r.extent, "%s" % corner).X
            point.Y = getattr(r.extent, "%s" % corner).Y
            array.add(point)
        array.add(array.getObject(0))
        polygon = arcpy.Polygon(array)
        feat.shape = polygon
        feat.setValue("RasterName", Ras)
        feat.setValue("RasterPath", InFolder + "\\" + Ras)
        cursor.insertRow(feat)
        array.removeAll()
    del feat
    del cursor    
  
if __name__ == '__main__':
    try:
        main()
    except Exception, e:
        import traceback
        map(arcpy.AddError, traceback.format_exc().split("\n"))
        arcpy.AddError(str(e))