Get all possible combinations from a dataset based on defined columns, as an n-dimensional cartesian product

get_all_combinations.py

def makeCartesianProduct(array_x, array_y, array_z):
    import pandas as pd
    import itertools

    return pd.DataFrame.from_records(itertools.product(array_x.reshape(-1, ), array_y.reshape(-1, ), array_z.reshape(-1, )), 
                                     columns=['x', 'y', 'z'])

combinations_cartesian_prod = makeCartesianProduct(jobs_df.A.unique(), jobs_df.B.unique(), jobs_df.C.unique())