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collective.z3cform.norobots (1.2.1)

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by Olha Pelishok last modified 2010-11-08
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Released on 2010-11-05 by Sylvain Boureliou for Plone 3.0, Plone 4.0 under GPL - GNU General Public License available for All platforms.
Software development stage: stable
Human readable captcha for z3cform

collective.z3cform.norobots provides a "human" captcha widget based on a list of questions/answers.

The widget is based on z3c.form.TextWidget.

Installation

Just a simple easy_install collective.z3cform.norobots is enough.

Alternatively, buildout users can install collective.z3cform.norobots as part of a specific project's buildout, by having a buildout configuration such as:

[buildout]
...
eggs =
collective.z3cform.norobots
...
[instance]
...
zcml =
collective.z3cform.norobots

In portal_setup, apply the profile collective.z3cform.norobots:default.

Add a new question

In the Plone Property Sheet "norobots_properties" (portal_properties/norobots_properties), add a new property:

Name: The question id (ex: "question4")
Value: your_question::the_answer (ex: "What is 10 + 12 ?::22")
Type: string

Usage

You can use this widget setting the "widgetFactory" property of a form field:

from zope import interface, schema
from z3c.form import interfaces, form, field, button, validator
from plone.app.z3cform.layout import wrap_form

from collective.z3cform.norobots.i18n import MessageFactory as _
from collective.z3cform.norobots.widget import NorobotsFieldWidget
from collective.z3cform.norobots.validator import NorobotsValidator

class INorobotsForm(interface.Interface):
norobots = schema.TextLine(title=_(u'Are you a human ?'),
description=_(u'In order to avoid spam, please answer the question below.'),
required=True)

class NorobotsForm(form.Form):
fields = field.Fields(INorobotsForm)
fields['norobots'].widgetFactory = NorobotsFieldWidget

# wrap the form with plone.app.z3cform's Form wrapper
NorobotsFormView = wrap_form(NorobotsForm)

# Register Norobots validator for the correponding field in the IContactInfo interface
validator.WidgetValidatorDiscriminators(NorobotsValidator, field=INorobotsForm['norobots'])

for more information see contact_info.py in the plone_forms directory in the package.

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