python - 将新的键/值添加到 json 字典 python

Question

我有以下 json 数据:

hostcreate = {
    "jsonrpc": "2.0",
    "method": "host.create",
    "params": {
        "host": "my_host",
        "port": 10050,
        "interfaces": [{
            "type": 1,
            "main": 1,
            "useip": 1,
            "ip": "10.100.200.200",
            "dns": "",
            "port": "10050"
        }],
        "groups": [{
            "groupid": 2
        }, {
            "groupid": 22
        }]
    },
    "auth": "byese31blahblah",
    "id": 1
}

我可以使用如下方式更新现有键的值:

hostcreate['params']['port'] = str(newhostport)

但是，当我尝试向字典添加新的键/值时，出现错误:

    hostcreate['params']['groups'][count]['groupid'] = int(eachgroupid)
IndexError: list index out of range

当 count 的值大于 groupid 的可用槽数时，我会收到该错误。换句话说，现在 groupid 有 2 个槽，我可以轻松更新。但是当我尝试为 groupid 添加新的键/值时，我收到上述错误。

我该如何解决这个问题？

更新:

这是代码(不起作用):

    numofgroups = len(groupids.split(","))
    rnumofgroups = numofgroups - 1
    count = 0
    existinggids = len(hostcreate['params']['groups']) - 1
    while (count <= numofgroups):
        eachgroupid = groupids.split(",")[count]
        if count <= existinggids:
            count = count + 1
            hostcreate['params']['groups'][count]['groupid'] = int(eachgroupid)
        else:
            count = count + 1
            hostcreate['params'['groups'].append({
                'groupid':int(eachgroupid)
            })

每次我运行这个程序时，它都会提示。谁能发现我的代码有什么问题吗？

Answer 1

您必须附加到列表hostcreate['params'['groups'].append({'groupid':in(each groupid)})