def METHOD_NAME(fname):
    """Make a pyne.material.MaterialLibrary. First makes elements, then
    materials from compendium.
    Parameters
    ----------
    fname : str
        Path to materials compendium.
    Returns
    -------
    matslib : pyne.material.MaterialLibrary
        All the materials you could want, in a handy MaterialLibrary instance.
    """
    matslib = MaterialLibrary(make_elements())
    matsdict = grab_materials_compendium(fname)
    matslib.update(matsdict)
    return matslib