Convert a Pandas DataFrame to a D3 data array

pandas_to_d3.py

def df_to_d3(df):
    data = []
    keys, labels = df.index, df.columns
    for key in keys:
        values = [{'label': l, 'value': df[l][key]} for l in labels]
        data.append({'values': values, 'key': key})
    return data
    
def series_to_d3(s):
    return [{'label': k, 'value': v} for k,v in s.to_dict().items()]