code: def read_xmile(xmile_file):
      
      from . import py_backend
      from .py_backend.xmile.xmile2py import translate_xmile
      py_model_file = translate_xmile(xmile_file)
      model = load(py_model_file)
      model.xmile_file = xmile_file
      return model
docs: Construct a model object from `.xmile` file.