Question

我有一个列表和一个字典，仅需通过按键进行比较。该列表由手工创建，用于定义在以下过程中将使用哪些Vars。该列表将用于将结果写入CSV列表=标题中。

某些设备不支持所有Var，并且不会在响应中将其发送回。

base=["General.IpAddress", "General.ActualHostname", "General.UserLabel1", "General.UserLabel2"]

response_diff='{"general.actualhostname":"ST_38_217","general.ipaddress":"192.168.38.217"}'

您看到响应中缺少General.UserLabel1和General.UserLabel2。（可能会缺少更多的变量）因此，我必须在响应中添加缺少NULL值的Vars。

Answer 1

import json
from pprint import pprint


def compare_ListWithDict(list_base,dict_ref):
    #temp dict
    dict_base_tmp = {}
    dict_ref = dict_ref.lower()
    #run thru List an generate an dict with Value 0 for every Key
    for item in list_base:
        dict_base_tmp[item.lower()] = 0
    #load dict_ref as JSON
    dict_ref_json=json.loads(dict_ref)
    #get len
    dict_base_len= len(dict_base_tmp)
    dict_ref_len= len(dict_ref_json)
    #if lens are equal return the dict_ref (response from Device)
    if dict_base_len == dict_ref_len:   
        return dict_ref_json
    else:
        #run thru list_base and search for keys they AREN'T in dict_ref_json
        #if missing key is found, add the key with Value NULL to the dict_ref_json
        for item in list_base:
            if not item.lower() in dict_ref_json.keys():
                item_lower = item.lower()
                dict_ref_json[item_lower]='null'
        return dict_ref_json            

base=["General.IpAddress", "General.ActualHostname", "General.UserLabel1", "General.UserLabel2"]
response_diff='{"general.actualhostname":"ST_38_217","general.ipaddress":"192.168.38.217"}'
response_equal='{"general.actualhostname":"ST_38_217","general.ipaddress":"192.168.38.217","general.userlabel1":"First Label", "general.userlabel2":"Second Label"}'

结果：

  pprint(compare_ListWithDict(base,response_equal))
  #base and response are equal by the keys

    {'general.actualhostname': 'st_38_217',
     'general.ipaddress': '192.168.38.217',
     'general.userlabel1': 'first label',
     'general.userlabel2': 'second label'}

    pprint(compare_ListWithDict(base,response_diff))    
    #base and response is different by the keys

    {'general.actualhostname': 'st_38_217',
     'general.ipaddress': '192.168.38.217',
     'general.userlabel1': 'null',
     'general.userlabel2': 'null'}

比较JSON列表和JSON Dict;仅按按键

1 个答案: