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Captcha support for Silva

Project description

Copyright (c) 2008, Infrae. All rights reserved. See also LICENSE.txt

Captcha Support for Silva

This is a captcha support for Silva. It works with the help of collective.captcha, and plone.keyring.

After installing the extension, you can either use a formlib widget, or ask the captcha directly.

You can get the captcha image in your template the following way:

<tal:captcha tal:define="captcha nocall:here/@@captcha"
             tal:content="structure captcha/image_tag">

You can get the captcha as a sound file like this:

<div class="captchaAudio"
     tal:define="captcha nocall:here/@@captcha">
   <a href="#" target="_blank"
      tal:attributes="href captcha/audio_url">Audio version</a>

You can validate an captcha entry like this:

from zope.component import getMultiAdapter

captcha = getMultiAdapter((self.context, self.request), name='captcha')
if not captcha.verify(input):
    # Bad value
    # Good value

This extension require at least Silva 2.0.7 or higher. You can have more information about collective.captcha.


If you installed Silva using buildout, by getting one from the Infrae SVN repository, or creating one using Paster, you should edit your buildout configuration file buildout.cfg to add or edit the following section:


eggs = ...

zcml = ...

If the section instance wasn’t already in the configuration file, pay attention to re-copy values for eggs and zcml from the profile you use.

After you can restart buildout:

$ ./bin/buildout

If you don’t use buildout, you can install this extension using easy_install, and after create a file called silva.captcha-configure.zcml in the /path/to/instance/etc/package-includes directory. This file will responsible to load the extension and should only contain this:

<include package="silva.captcha" />

Latest version

The latest version is available in a Subversion repository.


0.1 (27/05/2008)

  • Initial release

Project details

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