import requests
import pygal
from pygal.style import LightenStyle as LS, LightColorizedStyle as LCS
#执行API响应并存储结果
url = 'https://api.github.com/search/repositories?q=language:python&sort=stars'
r = requests.get(url)
#查看响应状态看是否响应成功
print('Status code:',r.status_code)
#将API的响应数据存储在变量中
response_dict = r.json()
#处理结果
print(response_dict.keys())
print('Total repositories:',response_dict['total_count'])
#探索有关仓库的信息
repo_dicts = response_dict['items']
print('Repositories returned:',len(repo_dicts))
'''#研究第一个仓库
repo_dicts_1 = repo_dicts[0]
print('\nKeys:',len(repo_dicts_1))
#按字母升序
for key in sorted(repo_dicts_1.keys()):
print(key)'''
names, plot_dicts,stars =[],[],[]
#print('\nSelected information about each repository:')
for repo_dict in repo_dicts:
'''print('\nName: ',repo_dict['name'])
print('Owner: ',repo_dict['owner']['login'])
print('Stars: ',repo_dict['stargazers_count'])
print('Repository: ',repo_dict['html_url'])
print('Created: ',repo_dict['created_at'])
print('Updated: ',repo_dict['updated_at'])
print('Description: ',repo_dict['description'])'''
names.append(repo_dict['name'])
stars.append(repo_dict['stargazers_count'])
if repo_dict['description'] != None:
plot_dict = {'value':repo_dict['stargazers_count'],
'label':repo_dict['description'],
}
else:
plot_dict = {'value':repo_dict['stargazers_count'],
'label':'Nothing!',
}
plot_dicts.append(plot_dict)
#可视化
my_style = LS('#333366',base_style=LCS)
my_config = pygal.Config()
my_config.x_label_rotation = 45
my_config.show_legend = False
my_config.title_font_size = 24
my_config.label_font_size = 14
my_config.major_label_font_size = 18
#将过长的横坐标缩到15个字符
my_config.truncate_label = 15
#隐藏水平线
my_config.show_y_guides = False
my_config.width = 1000
chart = pygal.Bar(my_config,style=my_style)
chart.title = 'Most_Starred Python Projects on GitHub'
chart.x_labels = names
#plot_dicts = plot_dicts[:20]
chart.add('',plot_dicts)
#print(plot_dicts)
chart.render_to_file('python_repos.svg')
其中有一个异常的项目，字典的键值为空 因此无法画图，主要是无法为空的字符进行编码，于是通过判断将该键值对选出来并将descripyion改为Nothing！ 想对这个特殊项目着色 ，但是不会，以后学习了再来修改吧！