Django snippets

import datetime
import time
import re

from django.forms.widgets import Widget
from django.forms.util import flatatt 
from django.utils.html import escape
from django.utils.encoding import smart_unicode

RE_DATE = re.compile(r'\d{4}-\d\d?-\d\d?$')

def daterange(start_date, end_date):
    start_date = datetime.datetime.strptime(start_date, '%Y-%M-%d')
    end_date = datetime.datetime.strptime(end_date, '%Y-%M-%d')
    for n in range((end_date - start_date).days+1):
        yield start_date + datetime.timedelta(n)

class SelectDateWidget(Widget):
    field = '%s_date'
    def __init__(self, start_date, end_date, attrs=None, required=True):
        self.attrs = attrs or {}
        self.required = required
        self.start_date = start_date
        self.end_date = end_date

    def render(self, name, value, attrs=None, choices=()):                 
        if value is None: value = ''
        final_attrs = self.build_attrs(attrs, name=name)
        output = [u'<select%s>' % flatatt(final_attrs)]
        str_value = smart_unicode(value)
        for single_date in daterange(self.start_date, self.end_date):
            output.append(u'<option value="%s">%s</option>' % (time.strftime("%Y-%m-%d", single_date.timetuple()), time.strftime("%a %B %d, %Y", single_date.timetuple())))
        output.append(u'</select>') 
        return u'\n'.join(output)