interfaces.py

from zope.schema import Text, TextLine, Datetime, Tuple

from zope.interface import Interface
class INoteAnnotable(Interface) :
    pass

class INoteAnnotation(Interface) :
    alarmdate = Datetime(
        title = u'Alarm Date',
        description =
        u"The date and time that user who create object are to be alarmed. "
        )

    keywords = Tuple(
        title = u'Key Words',
        description = u"Some keywords used for autopublishing",
        value_type = TextLine(),
        )