path, base = os.path.split(out_file.filename)
base, ext = os.path.splitext(base)
mesh_out = open_output(os.path.join(path, base+".mesh"))
path, base = os.path.split(out_file.filename)
base, ext = os.path.splitext(base)
mesh_out = open_output(os.path.join(path, base+".mesh"))