[Product-Developers] Uninstalling a configlet

Héctor Velarde Tue, 16 Nov 2010 19:40:55 -0800

I'm working on updating sc.social.bookmarks to be Plone 4 compatible. I tested the product and I discovered it doesn't remove some things after uninstalling it. I wanted to start by removing the configlet and I read that it can't be done using GenericSetup, so I started a research.


The configlet that I have in controlpanel.xml is this one:

    xmlns:i18n="http://xml.zope.org/namespaces/i18n";
    i18n:domain="sc.social.bookmarks">

<configlet title="Social Bookmarks" action_id="socialbookmarks" appId="sc.social.bookmarks"

        category="Products" condition_expr=""
        icon_expr="string:${portal_url}/++resource++sb_logo/ico-social.gif"
        url_expr="string:${portal_url}/@@bookmarks-providers"
        visible="True"
        i18n:attributes="title">
            <permission>Manage portal</permission>
    </configlet>
</object>

First, I created an uninstall profile with this inside the import_steps.xml file:


<import-steps>
    <import-step id="sc.social.bookmarks.uninstall"
        version="20101115-01"
        handler="sc.social.bookmarks.setuphandlers.uninstall"
        title="Social Bookmarks uninstall.">
        Social Bookmarks uninstall.
    </import-step>
</import-steps>

Then I registered it in configure.xml:

    <genericsetup:registerProfile
        name="uninstall"
        title="SC:Social Bookmarks uninstall"
        directory="profiles/uninstall"
        description="SC Social Bookmarks Profile"
        provides="Products.GenericSetup.interfaces.EXTENSION"
        for="Products.CMFPlone.interfaces.IPloneSiteRoot"
        />

After that, I created a setuphandlers.py:

def removeConfiglet(context):
    configlet = 'socialbookmarks'
    controlpanel = getToolByName(context, 'portal_controlpanel', None)
    if controlpanel:
        controlpanel.unregisterConfiglet(configlet)

def uninstall(context):
    if context.readDataFile('sc.social.bookmarks_uninstall.txt') is None:
        return
    site = context.getSite()
    removeConfiglet(site)

And finally I created an Extension/Install.py file with this inside:

def uninstall(portal):
    setup_tool = getToolByName(portal, 'portal_setup')

setup_tool.runAllImportStepsFromProfile('profile-sc.social.bookmarks:uninstall')
    setup_tool.setBaselineContext('profile-Products.CMFPlone:plone')

Everything looked fine so, to test it, I wrote this:

class UninstallTest(PloneTestCase):

    layer = SocialBookmarksLayer

    def uninstall(self):
        setup = getToolByName(self.portal, 'portal_setup')

setup.runAllImportStepsFromProfile('profile-sc.social.bookmarks:uninstall')

    def test_configlet_uninstall(self):
        self.uninstall()
        controlpanel = getattr(self.portal, 'portal_controlpanel')

installed = [a.getAction(self)['id'] for a in controlpanel.listActions()]

        self.failIf('socialbookmarks' in installed)

When I runt bin/test the test passes, but, when I install and uninstall the package, the configlet is not removed.


Any hint?

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[Product-Developers] Uninstalling a configlet

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