使用 Python 解析 JSON：TypeError：列表索引必须是整数，而不是 str
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Parsing JSON with Python: TypeError: list indices must be integers, not str
提问by FunnyChef
I'm using Python to parse through some JSON data for specific values. Specifically I want to pull the following:
我正在使用 Python 解析一些 JSON 数据以获取特定值。具体来说，我想提取以下内容：
- author_id
- created_at
- public
- 作者_id
- created_at
- 民众
The Python code looks like;
Python 代码看起来像；
import json
import requests
# Set the request parameters
url = 'https:<MYURL.json'
user = 'MY_USER'
pwd = 'MY_PWD'
# Do the HTTP get request
response = requests.get(url, auth=(user, pwd))
# Check for HTTP codes other than 200
if response.status_code != 200:
print('Status:', response.status_code, 'Problem with the request. Exiting.')
exit()
# Decode the JSON response
data = response.json()
# Print each value
field_list = data['audits']
for fields in field_list:
print(fields['author_id'])
print(fields['created_at'])
print(fields['events']['public'])
print '\n'
My code errors with:
我的代码错误：
File "get_ticket_updates.py", line 27, in <module>
print(fields['events']['public'])
TypeError: list indices must be integers, not str
I get that the value of public is a string and it needs to to be integer so, how can I work with this?
我知道 public 的值是一个字符串，它需要是整数，所以我该如何处理？
The data looks like:
数据看起来像：
{
"audits": [
{
"id": 20994687984,
"ticket_id": ####,
"created_at": "2014-09-15T16:30:11Z",
"author_id": 312016568,
"via": {
"channel": "email",
"source": {
"from": {
"address": "[email protected]",
"name": "user name",
"original_recipients": [
"[email protected]",
"[email protected]"
]
},
"to": {
"address": "[email protected]",
"name": "My Portal"
},
"rel": null
}
},
},
{
"id": 20994845144,
"ticket_id": ####,
"created_at": "2014-09-15T16:32:18Z",
"author_id": 233915468,
"via": {
"channel": "web",
"source": {
"from": {},
"to": {},
"rel": null
}
},
"events": [
{
"id": 20994845154,
"type": "Comment",
"author_id": 233915468,
"body": "<SOME TEXT>",
"public": true,
"attachments": []
},
采纳答案by Vizjerei
Insted of fields['events']['public']it should be fields['events'][0]['public']
的insted的fields['events']['public']应该是fields['events'][0]['public']
回答by Padraic Cunningham
print(fields['events'][0]['public'])
fields['events']is a list so you need to use ['events'][0]to access the dict inside the list.
fields['events']是一个列表，因此您需要使用它['events'][0]来访问列表中的字典。
回答by Daniel Roseman
It's exactly as the error says. fields['events']is a list, so you can't index it with ['public']. You need to iterate through the values, each of which is a dictionary.
这正是错误所说的。fields['events']是一个列表，所以你不能用['public']. 您需要遍历值，每个值都是一个字典。
for event in fields['events']:
print event['public']
