gistfile1.txt

#### implementation 1 ####
class GenericModel(object):
    def __init__(self, *args):
        for property in args:
          self.cells_property = {some dictionary containing each cell property}
          # example
          self.cells_property = {'velocity':Velocity(asdasd)}
          self.__dict__[property.name] = property
          
    def evolve(self, time):
       for cell_property in self.cell_properties:
    #def load_from_csvy(self, csy_fpath):
    #    pass
    
    def __getattr__(self, name):
        
   
class BaseCellProperty(units.Quantity):

   def __init__(self, name, quantity, time):
       self.name = name
       self.quanity = quantity
       self.time = time
       
  def evolve(self, time):
     self.time = time
     pass

class Velocity(units.Quantity):
   def __init__(self, quanity, time):
       self.name = 'velocity'
       self.quantity = quantity
       self.time = time


vel = Velocity(np.arange(5000), u.km/u.s, 0 * u.day)

GenericModel(Velocity(lkjdsflkdjsf), Density(sdfjsdfl), ...)

#### implementation 2 ####

class GenericModel(object):
    def __init__(self, **kwargs):
        self.__dict__.update(kwargs)
    def load_from_csvy(self, csy_fpath):
        pass
       
GenericModel(velocity=Velocity(lkjdsflkdjsf))