def charmap(prefixed_name):
    prefix, name = prefixed_name.split('.')
    return _instance().charmap[prefix][name]
Returns field's value prepared for database lookup.
dataset/ETHPy150Open spyder-ide/qtawesome/qtawesome/__init__.py/charmap--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/db/models/fields/__init__.py/Field.get_db_prep_lookup