code: def add_permission_by_name(self, code, save=False):
          
          if not save:
              return ["%s | %s" % (p.name, p.code) for p in
                      Permission.objects.filter(code__contains=code)]
          for p in Permission.objects.filter(code__contains=code):
              if p not in self.Permissions:
                  self.Permissions(permission=p)
          if p:
              self.save()
docs: Adds a permission with given name.
  
          Args:
              code (str): Code name of the permission.
              save (bool): If False, does nothing.