text: import argparse
  import abc
  
  
  class QueenClass(abc.ABC):
  
      alphas = []
      bad_alphas = []
      m0 = 1
      dt = NotImplemented
      t = NotImplemented
      x = NotImplemented
      u0_loc = NotImplemented
      u_last_loc = NotImplemented
      u_loc = NotImplemented
      u_last_old_loc = NotImplemented
      err_last = NotImplemented
      inner_tols = NotImplemented
      iterations = NotImplemented
      B = NotImplemented
      Q = NotImplemented
      P = NotImplemented
      time_document = NotImplemented
      Apar = NotImplemented
      row_beg = NotImplemented
      row_end = NotImplemented
      spatial_points = NotImplemented
      dx = NotImplemented
  
      # passive
      comm = NotImplemented
      rank = NotImplemented
      size = NotImplemented
      comm_row = NotImplemented
      rank_row = NotImplemented
      rank_row = NotImplemented
      size_row = NotImplemented
      frac = NotImplemented
      Frac = NotImplemented
      comm_col = NotImplemented
      rank_col = NotImplemented
      size_col = NotImplemented
      cols_loc = NotImplemented
      rows_loc = NotImplemented
      comm_subcol_alternating = NotImplemented
      rank_subcol_alternating = NotImplemented
      size_subcol_alternating = NotImplemented
      comm_subcol_seq = NotImplemented
      rank_subcol_seq = NotImplemented
      size_subcol_seq = NotImplemented
      comm_last = NotImplemented
      comm_matrix = NotImplemented
      optimal_alphas = False
      stop = False
      global_size_A = NotImplemented
  
      algorithm_time = NotImplemented
      communication_time = NotImplemented
      system_time_max = NotImplemented
      system_time_min = NotImplemented
  
      def __init__(self):
          parser = argparse.ArgumentParser()
          parser.add_argument('--T_start', type=float, default=0, help='Default = 0')
          parser.add_argument('--T_end', type=float, default=1, help='Default = 1')
          parser.add_argument('--rolling', type=int, default=1, help='Default = 1 ... number of intervals to perform one paralpha and combine it sequentially for the next one.')
          parser.add_argument('--time_intervals', type=int, default=1, help='Default = 10 ... size of the B matrix or how many intervals will be treated in parallel.')
          parser.add_argument('--time_points', type=int, default=3, help='Default = 3 ... number of time points for the collocation problem, the size of Q.')
          parser.add_argument('--proc_row', type=int, default=1, help='Default = 1 ... number of processors for dealing with paralellization of time intervals. Choose so that proc_row = time_intervals or get an error.')
          parser.add_argument('--proc_col', type=int, default=1, help='Default = 1 ... number fo processors dealing with parallelization of the time-space collocation problem. If just time parallelization, choose so that (proc_col | time_points) and (proc_col >= 1). If space-time parallelization, choose proc_col = k * time_point, (where 0 < k < spatial_points) and (k | spatial points).')
          parser.add_argument('--spatial_points', type=int, nargs='+', default=[24], help='Default = 24 ... number of spatial points with unknown values (meaning: not including the boundary ones)')
          parser.add_argument('--solver', type=str, default='lu', help='Default = lu ... specifying the inner linear solver: lu, gmres, custom.')
          parser.add_argument('--maxiter', type=int, default=5, help='Default = 5 ... maximum number of iterations on one rolling interval.')
          parser.add_argument('--tol', type=float, default=1e-6, help='Default = 1e-6 ... a stopping criteria when two consecutive solutions in the last time point are lower than tol (in one rolling interval).')
          parser.add_argument('--stol', type=float, default=1e-6, help='Default = 1e-6 ... an inner solver tolerance.')
          parser.add_argument('--smaxiter', type=float, default=1e-6, help='Default = 100 ... an inner solver maximum iterations.')
          parser.add_argument('--document', type=str, default='None', help='Default = None ... document to write an output.')
  
          args = parser.parse_args().__dict__
  
          self.T_start = args['T_start']
          self.T_end = args['T_end']
          self.rolling = args['rolling']
          self.time_intervals = args['time_intervals']
          self.time_points = args['time_points']
          self.proc_row = args['proc_row']
          self.proc_col = args['proc_col']
          self.spatial_points = args['spatial_points']
          self.solver = args['solver']
          self.maxiter = args['maxiter']
          self.tol = args['tol']
          self.stol = args['stol']
          self.smaxiter = args['smaxiter']
          self.document = args['document']
  
      def bpar(self, *args):
          pass
  
      def u_initial(self, *args):
          pass
  
      @staticmethod
      def rhs(*args):
          pass
  
      @staticmethod
      def linear_solver(*args):
          pass
  
      @staticmethod
      def norm(*args):
          pass
  
      def linear_solver(self, *args):
          pass
  