hn_submissions.py

from operator import itemgetter

import requests

#执行api调用并查看响应
url = 'https://hacker-news.firebaseio.com/v0/topstories.json'
r = requests.get(url)
print(f"Status code: {r.status_code}")

#处理每篇文章的信息
submission_ids = r.json()
submission_dicts = []
for submission_id in submission_ids[:5]:
    #对于每一篇文章都执行api调用
    url = f'https://hacker-news.firebaseio.com/v0/items/{submission_id}.json'
    r = requests.get(url)
    print(f"id: {submission_id}\tStatus code: {r.status_code}")
    response_dict = r.json()

    #对于每一篇文章都创建一个字典
    try:
        submission_dict = {
            'title': response_dict['title'],
            'hn_link': f"https://news.ycombinator.com/item?id={submission_id}",
            'comments': response_dict['descendants'],
        }
        submission_dicts.append(submission_dict)
    except KeyError:
        continue

submission_dicts = sorted(submission_dicts, key=itemgetter('comments'), reverse=True)

for submission in submission_dicts:
    print(f"\nTitle: {submission['title']}")
    print(f"\nDiscussion link: {submission['hn_link']}")
    print(f"\nComments: {submission['comments']}")