Schema in ICourseFolder:

    section = schema.Choice(
        title=_(u'Organization, unit or study-subject in Korppi'),
        vocabulary=u"jyu.opetusohjelma.Sections",
        required=False)


# Vocabulary for the schema
class SectionsVocabulary(object):
    grok.implements(IVocabularyFactory)

    def __call__(self, context):
        terms = []
        sections = KorppiQueryUtility().getOrganizations()
        for section in sections:
            # Section[1] is orgname
            terms.append(SimpleVocabulary.createTerm(section[1]))
        return SimpleVocabulary(terms)
grok.global_utility(SectionsVocabulary, name=u"jyu.opetusohjelma.Sections")


def getOrganizations():
     query = urllib.urlopen(KORPPI_URL).read()
     import json
     korppiOrgs = json.loads(query)
     # strings in korppiOrgs are unicode

     organizations = []
     for org in korppiOrgs['organisations']:
         orgid = org['id']
         orgname = org['name'] + ' (ID: %s)' % (orgid)
         organizations.append((orgid, orgname.encode('utf8')))
     return organizations