#-*- coding: utf-8 -*-

from . import integer


## @todo This EmFieldType is a bit dirty....
class EmFieldType(integer.EmFieldType):

    help = 'Integer primary key fieldtype'

    def __init__(self, **kwargs):
        # Allowed argument => value for this EmFieldType
        allowed = {
            'nullable': False,
            'uniq': False,
            'internal': 'autosql',
            'primary': True,
        }
        # Checking args
        for name, value in kwargs.items():
            if name in allowed and value != allowed[name]:
                raise ValueError("The value '%s' for argument '%s' for pk EmFieldType is not allowed" % (value, name))

        kwargs.update(allowed)

        super(EmFieldType, self).__init__(**kwargs)