

def clean(self, value):
    if (not value):
        return 0
    result = BitHandler(0, [k for (k, v) in self.choices])
    for k in value:
        try:
            setattr(result, str(k), True)
        except AttributeError:
            raise ValidationError(('Unknown choice: %r' % (k,)))
    return int(result)

dataset/ETHPy150Open unlimitedlabs/orchestra/orchestra/accounts/bitformfield.py BitFormField.clean/original