from pygal.style import LightColorizedStyle as LCS, LightenStyle as LS
names, stars, plot_dicts = [], [], []
for repo_dict in repo_dicts:
names.append(repo_dict['name'])
stars.append(repo_dict['stargazers_count'])
plot_dict = {
'value': repo_dict['stargazers_count'],
'label': str(repo_dict['description']),
'xlink': repo_dict['html_url'],
}
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
my_config.truncate_label = 15
my_config.show_y_guides = False
my_config.width = 1000
chart = pygal.Bar(my_config, style=my_style)
chart.title = 'Most-Starred Python Project on Github'
chart.x_labels = names
# chart.add('', stars)
chart.add('', plot_dicts)
chart.render_to_file('python_repos.svg')
names = []
plot_dicts = []
for repo_dict in repo_dicts:
names.append(repo_dict["name"])
plot_dict = {
"value": repo_dict["stargazers_count"],
"lable": repo_dict["description"],
"xlink": repo_dict["html_url"]
}
plot_dicts.append(plot_dict)
print(plot_dict)
#数据可视化
my_style = LS('#333366', base_style=LCS) #设置基色为深蓝色，并以LCS作为基本样式
my_config = pygal.Config() #创建config的实例，通过修改config的属性来
my_config.x_label_rotation = 45 #x轴逆时针旋转45度
my_config.show_legend = False #隐藏图例
my_config.show_minor_y_labels = True
my_config.title_font_size = 24 #设置图表标题的字体大小
my_config.lable_font_size = 14 #副标前
my_config.major_lable_font_size = 18 #主标签
my_config.truncate_label = 15 #截断字符串，可能由于x标签太长，因此采取截断处理
my_config.show_y_guides = False #不显示y轴的虚线
my_config.width = 1000 #设置宽度，从分利用浏览器页面
my_config.dynamic_print_values = True
my_config.explicit_size = False #给出了图表明确的大小
my_config.height = 600
my_config.include_x_axis = True
my_config.inner_radius = 3
my_config.inverse_y_axis = False #颠倒y轴的数据
# if repo_dict['description'].encode('utf-8').find('—'): # 默认ascii编码,不encode一下,会找不到—
# repo_dict['description'] = repo_dict['description'].encode('utf-8').replace('—', '--')
plot_dict = {
'value': repo_dict['stargazers_count'],
'label': repo_dict['description']
or '', #或者写成三元表达式https://segmentfault.com/q/1010000012917291
'fork': repo_dict['forks_count'], # 自定义的key没能显示出来
'xlink': repo_dict['html_url'],
}
plot_dicts.append(plot_dict)
# 可视化
my_style = LS('#333366', base_style=LCS)
my_config = pygal.Config() # 定制图的外观
my_config.x_label_rotation = 45
my_config.show_legend = False
my_config.title_font_size = 24
my_config.label_font_size = 14 # 副标签字大小
my_config.major_label_font_size = 18 # 主标签字大小
my_config.truncate_label = 15 # 将较长项目名缩短为15个字符(鼠标移上去会完整显示)
my_config.show_y_guides = False # y轴参考虚线
my_config.width = 1000 # 图表宽度
chart = pygal.Bar(my_config, style=my_style) # legend即左侧小方块
chart.title = 'Most-Starred Python Projects on GitHub'
chart.x_labels = names
chart.add('', plot_dicts) # 就是左边的小方块后的字,为空即不显示
chart.render_to_file('diagram/python_repos.svg')
names = []
plt_dicts = []
for repo_dict in repo_dicts:
names.append(repo_dict['name'])
plt_dict = {
'value': repo_dict['stargazers_count'],
'label': str(repo_dict['description']),
# 添加连接
'xlink': repo_dict['html_url']
}
plt_dicts.append(plt_dict)
# 可视化
my_style = LS('#333366', base_style=LCS)
my_config = pygal.Config() # 用于定制图表的外观
my_config.x_label_rotation = 45 # 标签绕 x 轴旋转 45 度
my_config.show_legend = False # 隐藏图例
my_config.title_font_size = 24 # 设置图表标题的字体大小
my_config.label_font_size = 14 # 设置图副标签的字体大小
my_config.major_label_font_size = 18 # 设置主标签的字体大小
my_config.truncate_label = 15 # 仅显示 15 个字符
my_config.show_y_guides = False # 隐藏图表中的水平线
my_config.width = 1000 # 设置自定义宽度
chart = pygal.Bar(my_config, style=my_style)
chart.title = 'Most-Starred Python projects on Github'
chart.x_labels = names
chart.add('', plt_dicts)
chart.render_to_file('Python_repos.svg')
chart = pygal.Bar(style=my_style, x_label_rotation=45, show_legend=False)
chart.title = 'Python Projects'
chart.x_labels = ['httpie', 'django', 'flask']
plot_dicts = [
{'value': 16101, 'label': 'Description of httpie.'},
{'value': 15028, 'label': 'Description of django.'},
{'value': 14798, 'label': 'Description of flask.'},
]
chart.add('', plot_dicts)
chart.render_to_file('bar_descriptions.svg')
my_config = pygal.Config()#instance of pygals config class
my_config.x_label_rotation = 45
my_config.show_legend = False#plotting only one series on chart
my_config.title_font_size = 24
my_config.label_font_size = 14
my_config.major_label_font_size = 18
my_config.truncate_label = 15#shorten longer names to 15 characters
my_config.show_y_guides = False#hide horizontal lines
my_config.width = 1000
chart = pygal.Bar(my_config, style=my_style)
chart.title = 'Most-Starred Python Projects on GitHub'
chart.x_labels = names
chart.add('', plot_dicts)
chart.render_to_file('python_repos.svg')
else:
desc = ''
plot_dict = {
'value': repo_dict['stargazers_count'],
'label': desc, # label标签表示自定义柱状图中的工具提示
'xlink': repo_dict['html_url'], # 在图表中添加柱状图可点击的链接, 这里也应该做一个是否为空的判断
}
plot_dicts.append(plot_dict)
my_style = LS('#333366', base_style=LCS) # 定义一种绘图的基色
# style指定绘图的基色, x_label_rotation指定x坐标轴标签旋转度数, show_legend决定是否显示图例
# chart = pygal.Bar(style=my_style, x_label_rotation=45, show_legend=False)
# 将图表的所有配置集中到config类
my_config = pygal.Config() # 定义config对象, 用于保存图表的修改
my_config.x_label_rotation = 45 # x轴的标签旋转45度
my_config.show_legend = False # 不显示图例
# 在这个图表中, 副标签是x轴上的项目名以及y轴上的大部分数字.
# 主标签是y轴上为5000整数倍的刻度; 这些标签应更大, 以与副标签区分开来
my_config.title_font_size = 24 # 图表的标题为24号字体
my_config.label_font_size = 14 # 图表的副标题为14号字体, 副标题? 不是标签?
my_config.major_label_font_size = 18 # 图表主标签为18号字体
my_config.truncate_label = 15 # 将较长的项目名缩短为15个字符
my_config.show_y_guides = False # 隐藏图表中的水平线
my_config.width = 1000 # 自定义图表的宽度, 让图表更充分的利用浏览器空间
chart = pygal.Bar(my_config, style=my_style)
chart.title = 'GitHub上最多星标的Python项目'