code: def edit(self, id):
          
  
          c.pool = Pool.get(int(id))
          c.prefix_list = Prefix.list({ 'pool_id': c.pool.id })
          c.prefix = ''
  
          # save changes to NIPAP
          if request.method == 'POST':
              c.pool.name = request.params['name']
              c.pool.description = request.params['description']
              c.pool.default_type = request.params['default_type']
              if request.params['ipv4_default_prefix_length'].strip() == '':
                  c.pool.ipv4_default_prefix_length = None
              else:
                  c.pool.ipv4_default_prefix_length = request.params['ipv4_default_prefix_length']
              if request.params['ipv6_default_prefix_length'].strip() == '':
                  c.pool.ipv6_default_prefix_length = None
              else:
                  c.pool.ipv6_default_prefix_length = request.params['ipv6_default_prefix_length']
              c.pool.save()
              redirect(url(controller = 'pool', action = 'list'))
  
          c.search_opt_parent = 'all'
          c.search_opt_child = 'none'
  
          return render("/pool_edit.html")
docs: Edit a pool.