from data import colors from models import Person, Series campaign2 = Series.select().where(Series.title == "Campaign 2").get() campaign1 = Series.select().where(Series.title == "Campaign 1").get() p: Person for p in Person.select().join(Series): if p.series.slug in colors: series_colors = colors[p.series.slug] if p.name in series_colors.keys(): p.color=series_colors[p.name] p.save()