Introduction
plone.app.debugtoolbar provides a wealth of debug information about a running Plone site at your fingertips.
Translations
This product has been translated into
Italian (thanks, Giacomo Spettoli)
Spanish (thanks, Leonardo J. Caballero G.)
Installation
Simply install it in your build (e.g. by adding it to the eggs list in your Buildout):
[buildout]
...
eggs =
plone.app.debugtoolbar
and re-running the bin/buildout command and install it into your Plone site.
You should now see a Debug link at the top of your site. Click it to open the debug drawer. Click on a panel to view relevant information.
Panels include:
Context, showing information about the current content object
Interactive, providing an interactive Python prompt through which you can interact with the current context (only available to users with the Manage portal permission)
Request, showing information about the request that produced the current page
Response, showing information about the response that produced the current page
Published, showing information about the page template or view that was published
Theme, showing information about the current theme and browser layers
User, showing information about the current user
Workflow, showing information about workflow and security
Zope, showing information about how the Zope server is configured
Versions, listing the versions of every package known to the Zope process
Safety
The debug toolbar provides a lot of information about your Plone site that you may not want the world to know. It could also have a noticeable performance impact, and for users with the Manage portal permission it provides access to an interactive interpreter where arbitrary Python statements can be executed, allowing a user to bypass Zope security.
In other words: Do not install this package on your production server.
Integration
Each panels is included as a viewlet. You can register new panels using a viewlet registration like this:
<browser:viewlet
name="plone.app.debugtoolbar.somepanel"
manager="plone.app.debugtoolbar.browser.interfaces.IDebugToolbarViewletManager"
class=".somepanel.SomePanelViewlet"
template="somepanel.pt"
permission="zope2.View"
layer="plone.app.debugtoolbar.browser.interfaces.IDebugToolbarLayer"
/>
See plone.app.debugtoolbar.browser for plenty of examples of panels.
Contribute
Issue Tracker: https://github.com/plone/plone.app.debugtoolbar/issues
Source Code: https://github.com/plone/plone.app.debugtoolbar
Documentation: https://github.com/plone/plone.app.debugtoolbar/blob/master/README.rst
License
The project is licensed under the GPLv2.
Contributors
Martin Aspeli, Author
Giacomo Spettoli, i18n
Leonardo Caballero, Spanish Translation, Uninstall GenericSetup profile
All the list of contributors is available at the following link: https://github.com/plone/plone.app.debugtoolbar/graphs/contributors
Changelog
2.0.0 (2026-05-18)
Bug fixes:
Fix FileNotFoundError on str(attr) when attr is <App.special_dtml.DTMLFile object at 0x109b2c530> [pbauer] (#34)
2.0.0a1 (2025-12-23)
Breaking changes:
Replace pkg_resources namespace with PEP 420 native namespace. Support only Plone 6.2 and Python 3.10+. @petschki
1.4.0 (2024-03-19)
New features:
Added more improvements about i18n support [macagua]
Updated Spanish translation [macagua]
Updated the documentation [macagua]
Upgraded the buildout configuration to Plone 6.0 version [macagua] (#31)
1.3.0 (2022-12-02)
Bug fixes:
Add support for Python 3.11 [pbauer] (#30)
1.2.3 (2021-12-29)
Bug fixes:
Fix missing zcml directive when plone.app.standardtiles is installed. [petschki] (#18)
Fix brackets in toolbar-help [djowett] (#25)
Fix a compatibility issue with Python 3.8 (#27)
1.2.2 (2020-04-20)
Bug fixes:
Minor packaging updates. (#1)
1.2.0 (2019-01-09)
New features:
Prepare for Python 2 / 3 compatibility [jmevissen]
1.1.4 (2018-03-07)
Bug fixes:
Remove unittest2 dependency [kakshay21]
Make it work in chrome, as ‘<script />’ no longer works. [jaroel]
1.1.3 (2017-07-03)
Bug fixes:
Fix problem with debugtoolbar panel opening on click but immediately closing again. [sunew]
1.1.2 (2017-03-31)
Bug fixes:
Fix imports from Globals that was removed in Zope4 [pbauer]
Add coding headers on python files. [gforcada]
1.1.1 (2016-08-17)
Bug fixes:
Use zope.interface decorator. [gforcada]
1.1.0 (2016-06-07)
New:
Add a plone.app.debugtoolbar.toolbar tile for displaying in plone.app.blocks layouts. [thet]
Plone 5 compatibility: Don’t register JS and CSS but include them inline. Includes upgrade step. [thet]
Added panel with catalog info: indexed values and metadata of the current object. [sunew]
1.0 (2014-08-13)
Fix scrollHeight for the interactive prompt for jQuery 1.7+. Now, executing code jumps again to the latest prompt message. [thet]
Removed ‘xxx__roles__’ methods from Context / Methods viewlet and added roles + permission for each method when available. [glenfant]
Emphasize marker interfaces in context view [glenfant]
Provide same variables as in portal_actions in TAL tests [glenfant]
Fix themelayer. Use IBrowserSkinType instead of generic Interface which can return an real utility instead of an iface and broke the page rendering. Skin Layer must inherits from IBrowserSkinType [toutpt]
1.0a3 (2013-02-06)
completed i18n support and added it translation
add reload panel [vangheem]
added Spanish translation and Uninstall GenericSetup profile [macagua]
completed i18n support and added it translation [giacomos]
replace checkboxes with mark symbols in permission matrix [gaudenz]
permission matrix display improvements [gaudenz]
1.0a2 (13/11/2011)
Add interactive code debugging [optilude]
Add TALES tester [optilude]
Add details of context methods and attributes [optilude]
1.0a1 (13/11/2011)
Initial release [optilude]
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