[英]End API Pagination Loop in Python
我正在尝试构建一个 Python 脚本,在其中我通过 API 从 Chargebee 检索所有发票。但是,我有点短,因为我不知道如何在循环到达最后一页后正确结束循环。 我当前的解决方案包括在 URL 与最后一页相同时插入一个中断。 不幸的是,这不是很可持续,因为每次最后一个 next_offset 值更改时我都必须更新它。
我当前的代码如下所示:
import requests
import json
import pandas as pd
from requests.auth import HTTPBasicAuth
from pandas import json_normalize
invoices = []
customers = []
def GetInvoices():
url = 'https://company.chargebee.com/api/v2/invoices?limit=100&offset='
url1 = 'https://company.chargebee.com/api/v2/invoices?limit=100&offset='
while url:
print('----')
print('Requesting', url)
response = requests.get(url, auth=HTTPBasicAuth('APIKEY','pass'))
data = response.json()
invoices.extend(data['list'])
if url == 'https://company.chargebee.com/api/v2/invoices?limit=100&offset=["1507705200000","78206775"]':
df = json_normalize(invoices)
df.to_csv('InvoicesUS.csv')
print('----')
print('Invoice list has been exported!')
break
else:
url = url1 + data['next_offset']
我对 Python 很陌生,所以脚本中可能有很多不必要的东西。 它正在工作,但我想找到一种方法来翻阅 API 并在附加最后一页后关闭循环。
谢谢!
通过使用 try/except 找到了问题的解决方案。 代码现在看起来像这样:
import requests
import json
import pandas as pd
from requests.auth import HTTPBasicAuth
from pandas import json_normalize
invoices = []
url = 'https://company.chargebee.com/api/v2/invoices?limit=100&offset='
url1 = 'https://company.chargebee.com/api/v2/invoices?limit=100&offset='
while url:
try:
print('----')
print('Requesting', url)
response = requests.get(url, auth=HTTPBasicAuth('APIKEY','pass'))
data = response.json()
invoices.extend(data['list'])
url = url1 + data['next_offset']
except KeyError:
df = json_normalize(invoicesUS)
print('----')
print('Invoice list has been exported!')
break
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