code: def parse_magmoms(self, data, lattice=None):
          
          if lattice is None:
              raise Exception(
                  'Magmoms given in terms of crystal axes in magCIF spec.')
          try:
              magmoms = {
                  data["_atom_site_moment_label"][i]:
                      np.array(
                          [str2float(data["_atom_site_moment_crystalaxis_x"][i]),
                           str2float(data["_atom_site_moment_crystalaxis_y"][i]),
                           str2float(data["_atom_site_moment_crystalaxis_z"][i])]
                      )
                  for i in range(len(data["_atom_site_moment_label"]))
              }
          except (ValueError, KeyError):
              return None
          return magmoms
docs: Parse atomic magnetic moments from data dictionary