使用 API 通过 python 获取数据

如何解决使用 API 通过 python 获取数据

我使用此代码通过 API 获取数据。如果您回答我的问题，我将不胜感激。我收到此错误回溯（最近一次通话） 输出： 44 # 确定结果和页面数据。 JSON normalize 将所有键转换为 csv 输出的标头

代码中的第 46 行： p_total = TypeError: 'NoneType' 对象不可下标

import http.client,json,csv,requests
import pandas as pd
from pandas import json_normalize
client_id = 'My client ID'
client_secret = 'My client secret'
def get_token(): 
 conn = http.client.HTTPSConnection("api.ipot")
 payload = "client_id={CLIENT_ID}&client_secret={CLIENT_SECRET}&grant_type=client_credentials".format(CLIENT_ID=client_id,CLIENT_SECRET=client_secret)
 headers = {
 'content-type': "application/x-www-form-urlencoded"
 }
 conn.request("POST","/v4/oauth2/token",payload,headers)
 res = conn.getresponse()
 token_raw = res.read() 
 data_parsed = json.loads(token_raw.decode("utf-8"))
 access_token = data_parsed['access_token']
 conn.close()
 return (access_token)
conn = http.client.HTTPSConnection("api.ipot")
payload = ""
headers = {'Authorization': "Bearer token".format(TOKEN=str(get_token())),}
#######
## Set filters,parameters and define the api request. 
endpoint = '/v4/metrics/digital/brands?'
page_size = '&page[size]=10' # Do not alter
page_number = '&page[number]=1' # Do not alter
start_date = 'filter[start_date]=2021-05-01'
end_date = '&filter[end_date]=2021-07-14'
includes ='&include=actions_facebook_video_likes,facebook_video_shares,facebook_likes'
params = start_date + end_date + filters + includes
api_request = endpoint + params + page_size
conn.request("GET",api_request + page_number,headers,)
res = conn.getresponse()
request_id = res.headers.get('X-Request-ID')
request_datetime = res.headers.get('Date')
print('\r\nRequest ID: {REQUEST_ID}\r\nDatetime: {REQUEST_DATETIME}\r\nStatus:{STATUS}'.format(REQUEST_ID=request_id,REQUEST_DATETIME=request_datetime,STATUS=res.status))
final = res.read()
jsonResponse = json.loads(final.decode('utf-8'))
 
########
# Determine results and page data. JSON normalize converts all keys into headers for csv output
p = 0
p_total = jsonResponse.get('meta')['pagination']['total_pages']
total_values = jsonResponse.get('meta')['pagination']['total']
current_page = jsonResponse.get('meta')['pagination']['current_page']
print('\r\n{NRESULTS} results across {PAGE_NUM} pages\r\n'.format(NRESULTS=total_values,PAGE_NUM=p_total))
print('Completed: ' + api_request + page_number)
jsonResponse = jsonResponse['data']
json_norm = json_normalize(jsonResponse,sep='_')
if p == 0:
 json_norm.to_csv('output.csv',mode='w',sep=',',header=True,index=False)
else:
 json_norm.to_csv('output.csv',mode='a',header=False,index=False)
while p < (p_total + 1):
 try:
    p += 1
    conn.request("GET",api_request + "&page[number]=" + str(int(current_page + 1)),)
    res = conn.getresponse()
    final = res.read()
    jsonResponse = json.loads(final.decode('utf-8'))
    jsonResponse = jsonResponse['data']
    json_norm = json_normalize(jsonResponse,sep='_')
    json_norm.to_csv('output.csv',index=False)
    print('Completed:https://api.pottv{ENDPOINT}&page[number]={CURRENT}'.format(ENDPOINT=api_request,CURRENT=str(int(current_page + 1))))
    current_page += 1
 except Exception:pass
 else:pass.

我收到此错误：

类型错误
46 p_total =... TypeError: 'NoneType' 对象不可下标。有人能帮我解决这个错误吗？