code: def _resolve_view_params(self, request, defaults, *args, **kwargs):
          
          params = copy.copy(defaults)
          params.update(self.params)
          params.update(kwargs)
          resolved_params = {}
          
          extra_context = {}
          for key in params:
              # grab from provided params. 
              value = params[key]
              
              # otherwise grab from existing params
              if value == None:
                  value = self.params[key] if self.params.has_key(key) else None
              
              # otherwise grab from class method
              if value == None:
                  value = getattr(self, 'get_%s' % key)(request, *args, **kwargs) if getattr(self, 'get_%s' % key, None) else None
  
              if key in defaults:
                  resolved_params[key] = value
              else:
                  extra_context[key] = value
          
          if extra_context:
              try:
                  resolved_params['extra_context'].update(extra_context)
              except AttributeError:
                  resolved_params['extra_context'] = extra_context
  
          return resolved_params
docs: Resolves view params with least ammount of resistance.
          Firstly check for params on urls passed args, then on class init args or members, 
          and lastly on class get methods .