# libraries
import json
import pandas as pd

# example data with three levels and a single value field
data = {'group1': ['Animal', 'Animal', 'Animal', 'Plant'],
        'group2': ['Mammal', 'Mammal', 'Fish', 'Tree'],
        'group3': ['Fox', 'Lion', 'Cod', 'Oak'],
        'value': [35000, 25000, 15000, 1500]}

df = pd.DataFrame.from_dict(data)

print(df)

""" The sample dataframe
group1  group2 group3  value
0  Animal  Mammal    Fox  35000
1  Animal  Mammal   Lion  25000
2  Animal    Fish    Cod  15000
3   Plant    Tree    Oak   1500
"""

from p2d3.pandas_to_d3 import PandastoD3

convert = PandastoD3()
convert.p2d3(df)

# returns a json file to /data/flare.json