docs: def _path(cls, ndivsm, structure=None, kpath_bounds=None, comment=None):
          """
          Static constructor for path in k-space.
  
          Args:
              structure: :class:`Structure` object.
              kpath_bounds: List with the reduced coordinates of the k-points defining the path.
              ndivsm: Number of division for the smallest segment.
              comment: Comment string.
  
          Returns:
              :class:`KSampling` object.
          """
          if kpath_bounds is None:
              # Compute the boundaries from the input structure.
              from pymatgen.symmetry.bandstructure import HighSymmKpath
              sp = HighSymmKpath(structure)
  
              # Flat the array since "path" is a a list of lists!
              kpath_labels = []
              for labels in sp.kpath["path"]:
                  kpath_labels.extend(labels)
  
              kpath_bounds = []
              for label in kpath_labels:
                  red_coord = sp.kpath["kpoints"][label]
                  #print("label %s, red_coord %s" % (label, red_coord))
                  kpath_bounds.append(red_coord)
  
          return cls(mode=KSamplingModes.path, num_kpts=ndivsm, kpts=kpath_bounds,
                     comment=comment if comment else "K-Path scheme")