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import pandas as pd
from collections import OrderedDict
from bokeh._legacy_charts import Donut, output_notebook, show
from bokeh.sampledata.olympics2014 import data


    

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output_notebook()


    

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# throw the data into a pandas df
df = pd.io.json.json_normalize(data['data'])

# filter by countries with at least one medal and sort
df = df[df['medals.total'] > 8]
df = df.sort("medals.total", ascending=False)

# get the countries and we group the data by medal type
countries = df.abbr.values.tolist()
gold = df['medals.gold'].astype(float).values
silver = df['medals.silver'].astype(float).values
bronze = df['medals.bronze'].astype(float).values

# build a dict containing the grouped data
medals = OrderedDict(bronze=bronze, silver=silver, gold=gold)


    

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donut = Donut(
    medals, countries, title='Medals Count, dict input', 
    xlabel='countries', ylabel='medals')
show(donut)


    

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df = pd.DataFrame(medals)
donut = Donut(
    df, countries, title='Medals Count, pandas input', 
    xlabel='countries', ylabel='medals')
show(donut)


    

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from blaze import Data

medals = Data(df)
donut = Donut(medals, countries, title='Medals Count', 
              xlabel='countries', ylabel='medals', legend=False)
show(donut)


    

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