dataframe python pyecharts 桑葚图

links = [{'source': 'Italy', 'target': '18岁以下', 'value': '1677'},
 {'source': '18岁以下', 'target': 'Deceased', 'value': '167'}, 
 {'source': '18岁以下', 'target': 'Active/Recovered', 'value': '1510'}, 
 {'source': 'Italy', 'target': '19-50岁', 'value': '31394'}, 
 {'source': '19-50岁', 'target': 'Deceased', 'value': '408'},
 {'source': '19-50岁', 'target': 'Active/Recovered', 'value': '30986'}, 
 {'source': 'Italy', 'target': '50-70岁', 'value': '43617'},
{'source': '50-70岁', 'target': 'Deceased', 'value': '4492'},
 {'source': '50-70岁', 'target': 'Active/Recovered', 'value': '39125'}, 
 {'source': 'Italy', 'target': '70岁以上', 'value': '43139'}, 
{'source': '70岁以上', 'target': 'Deceased', 'value': '34813'}, 
{'source': '70岁以上', 'target': 'Active/Recovered', 'value': '8326'}]
nodes = [{'name': 'Italy'}, {'name': '18岁以下'}, {'name': '19-50岁'}, 
{'name': '50-70岁'}, {'name': '70岁以上'}, {'name': 'Deceased'}, 
{'name': 'Active/Recovered'}]

# 桑葚图
from pyecharts.charts import Sankey
from pyecharts import options as opts
pic = (
    Sankey().add('',
         nodes,
         links,
         linestyle_opt=opts.LineStyleOpts(opacity = 0.3, curve = 0.5, color = 'source'),
         label_opts=opts.LabelOpts(position = 'top'),
         node_gap = 30,

    )
    .set_global_opts(title_opts=opts.TitleOpts(title = '意大利新冠肺炎病患年龄分布'))
)
# pic.render('test.html') # 保存在文件夹中
pic.render_notebook()