code: def prepare_everything(self):
          
          self.prepare_network()
          self.init_models()
          self.load_conditions()
          with hydpy.pub.options.warnmissingobsfile(False):
              self.prepare_nodeseries()
          self.prepare_modelseries()
          self.load_inputseries()
docs: Convenience method to make the actual |HydPy| instance runable.