from zope import interface from zope import component import zope.schema.interfaces import zope.schema.vocabulary from plone.app.discussion.interfaces import _ HAS_CAPTCHA=False try: import plone.formwidget.captcha HAS_CAPTCHA = True except ImportError: pass HAS_RECAPTCHA=False try: import plone.formwidget.recaptcha HAS_RECAPTCHA = True except ImportError: pass def captcha_vocabulary(context): """Vocabulary with all available captcha implementations. """ terms = [] terms.append( zope.schema.vocabulary.SimpleTerm( value='disabled', token='disabled', title=_(u'Disabled'))) if HAS_CAPTCHA: terms.append( zope.schema.vocabulary.SimpleTerm( value='captcha', token='captcha', title='Captcha')) if HAS_RECAPTCHA: terms.append( zope.schema.vocabulary.SimpleTerm( value='recaptcha', token='recaptcha', title='ReCaptcha')) return zope.schema.vocabulary.SimpleVocabulary(terms) interface.alsoProvides(captcha_vocabulary, zope.schema.interfaces.IVocabularyFactory)