text: class_ds = \
  """A One-Group Light Water Reactor Fuel Cycle Component.  This is a daughter 
  class of Reactor1G and a granddaughter of FCComp.
  
  Parameters
  ----------
  lib : str, optional
      The path the the LWR HDF5 data library.  This value is set to 
      Reactor1G.libfile and used by Reactor1G.loadlib().
  rp : ReactorParameters, optional
      The physical reactor parameter data to initialize this LWR instance with.  
      If this argument is not provided, default values are taken.
  n : str, optional
      The name of this LWR instance.
  
  """
  
  desc = {
      'docstrings': {
          'class': class_ds,
          'attrs': {},
          'methods': {},
          },
      'attrs': {},
      'extra': {},
      }
  
  mod = {'LightWaterReactor1G': desc,
         'docstring': "Python wrapper for LWR1G.",}
  
  
  desc['docstrings']['methods']['calc_params'] = \
  """Along with its own parameter set to track, the LWR model implements its own 
  function to set these parameters.  This function is equivalent to the following::
  
      self.params_prior_calc["BUd"]  = 0.0
      self.params_after_calc["BUd"] = self.BUd
  
      self.params_prior_calc["U"]  = self.mat_feed_u.mass
      self.params_after_calc["U"] = self.mat_prod_u.mass
  
      self.params_prior_calc["TRU"]  = self.mat_feed_tru.mass
      self.params_after_calc["TRU"] = self.mat_prod_tru.mass
  
      self.params_prior_calc["ACT"]  = self.mat_feed_act.mass
      self.params_after_calc["ACT"] = self.mat_prod_act.mass
  
      self.params_prior_calc["LAN"]  = self.mat_feed_lan.mass
      self.params_after_calc["LAN"] = self.mat_prod_lan.mass
  
      self.params_prior_calc["FP"]  = 1.0 - self.mat_feed_act.mass  - self.mat_feed_lan.mass
  
  """
  