使用API

1、处理API响应

import requests

url = 'https://api.github.com/search/repositories?q=language:python&sort=stars%27'
r=requests.get(url)
print('Status code:',r.status_code)

response_dict = r.json()

print(response_dict.keys())

repo_dicts = response_dict['items']
print("Repositories returned:", len(repo_dicts))

repo_dict = repo_dicts[0]
print("\nKeys:",len(repo_dict))
for key in sorted(repo_dict.keys()):
    print(key)

 2、可视化

import requests
import pygal
from pygal.style import LightColorizedStyle as LCS, LightenStyle as LS

#执行api并存储响应
url = 'https://api.github.com/search/repositories?q=language:python&sort=stars%27'
r=requests.get(url)
print('Status code:',r.status_code)

#将api存储在一个变量中
response_dict = r.json()
print("Total repositories:", response_dict['total_count'])
# print(response_dict.keys())

repo_dicts = response_dict['items']
print("Repositories returned:", len(repo_dicts))

# repo_dict = repo_dicts[0]
# print("\nKeys:",len(repo_dict))
# for key in sorted(repo_dict.keys()):
#     print(key)

# for repo_dict in repo_dicts:
#     print("name: "+repo_dict['name'])

names, stats = [], []
for repo_dict in repo_dicts:
    names.append(repo_dict['name'])
    stats.append(repo_dict['stargazers_count'])

#可视化
my_style = LS('#333366',base_style=LCS)
chart = pygal.Bar(style=my_style, x_label_rotation=45,show_ledend=False)
chart.x_labels = names
chart.add(" ",stats)
chart.render_to_file('python_repos.svg')

 

3、修改图表

按照书中代码会出问题

解决参考：https://blog.csdn.net/HXZ_CREATE/article/details/108984427

 

4、Hacker News API

为探索如何使用其他网站的API调用，我们来看看HackerNews（http://news.ycombinator.com/ ）。在Hacker News网站，用户分享

编程和技术方面的文章，并就这些文章展开积极的讨论。Hacker News的API让你能够访问有关该网站所有文章和评论的信息，且不要求你通过注册获得密钥。