from django.newforms import DateTimeField, TimeField
from django.newforms.util import ValidationError
import datetime

class TodayDateTimeField(DateTimeField):
    '''
    DateTimeField which sets today's date
    if only time was entered

    '''
    def clean(self, value):
        try:
            t = TimeField().clean(value)
        except ValidationError:
            # try parent's constructor
            return super(TodayDateTimeField,self).clean(value)
        else:
            return datetime.datetime.combine(datetime.date.today(),t)