45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
from persistent import Persistent
|
|
|
|
from z3c.form.field import Fields
|
|
|
|
from zope import interface, schema
|
|
|
|
from zope.annotation import factory
|
|
from zope.annotation.attribute import AttributeAnnotations
|
|
|
|
from zope.component import adapts, provideAdapter
|
|
|
|
from zope.publisher.interfaces.browser import IDefaultBrowserLayer
|
|
|
|
from zope.interface import Interface, implements
|
|
|
|
from plone.z3cform.fieldsets import extensible
|
|
from plone.z3cform.fieldsets.interfaces import IFormExtender
|
|
|
|
from plone.app.discussion.comment import Comment
|
|
from plone.app.discussion.browser.comments import CommentForm
|
|
|
|
class ICaptcha(Interface):
|
|
captcha = schema.TextLine(title=u"Type the word 'human' in all capital letters.",
|
|
required=False)
|
|
|
|
class Captcha(Persistent):
|
|
interface.implements(ICaptcha)
|
|
adapts(Comment)
|
|
captcha = u""
|
|
|
|
Captcha = factory(Captcha)
|
|
provideAdapter(Captcha)
|
|
provideAdapter(AttributeAnnotations)
|
|
|
|
class CaptchaExtender(extensible.FormExtender):
|
|
adapts(Interface, IDefaultBrowserLayer, CommentForm) # context, request, form
|
|
|
|
def __init__(self, context, request, form):
|
|
self.context = context
|
|
self.request = request
|
|
self.form = form
|
|
|
|
def update(self):
|
|
# Add all fields from the captcha interface
|
|
self.add(ICaptcha, prefix="extra") |