Unicode lists and form submissions

Hi djangoers,

I've ran into an issue I'm not sure how to handle.

I have a form with 7 checkboxes representing 7 days of the week. I want to collect the submitted days and use them in rrule to generate some dates.

The form field looks like this:

weekly_interval = forms.MultipleChoiceField(label='Repeat on:', choices=EventSeries.weekly_interval,widget=forms.CheckboxSelectMultiple, required=False)

The choices are generated from this:

weekly_interval = (

        (rrule.SU, 'Sun'),

        (rrule.MO, 'Mon'),

        (rrule.TU, 'Tue'),

        (rrule.WE, 'Wed'),

        (rrule.TH, 'Thu'),

        (rrule.FR, 'Fri'),

        (rrule.SA, 'Sat')

    )

So, the form renders and everything is fine, but once I submit the form, the data is in incorrect format and I'm not sure how to fix it.

This is how I'm collecting the interval:

interval=form.cleaned_data['weekly_interval']

Then I'm using it in this line:

start_dates = list(rrule.rrule(rrule.WEEKLY, count=self.recurrences, byweekday=self.interval, dtstart=self.start_datetime))

My problem is in this byweekday=self.interval

If I test this form console with the following it works fine

start_dates = list(rrule.rrule(rrule.WEEKLY, count=a_s.recurrences, byweekday=(rrule.MO,rrule.TU), dtstart=appt.start_time))

But when I look at the interval submitted from the form using pdb it looks like this [u'WE', u'TH', u'SA']

I suspect that I need to convert this from unicode to objects. Does anyone know the best approach? And what it would be? 

Thanks a million!

-m

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