gfonts-1-onehot.py

mlb = MultiLabelBinarizer()

# one-hot encoding + prefix
df = df.join(pd.DataFrame(mlb.fit_transform(df.pop('variants')),
                          columns=[x for x in mlb.classes_],
                          index=df.index))
df = df.join(pd.DataFrame(mlb.fit_transform(df.pop('subsets')),
                          columns=['subsets_' + x for x in mlb.classes_],
                          index=df.index))
df = df.join(pd.get_dummies(df['category'], prefix="category")).drop(['category'], axis=1)

df.head(5)