Version 4 (modified by Shun-ichi Goto, 10 years ago) (diff)

Describe requirement of NTOC macro.

Content negotiation plugin for Trac wiki


This plugin provides content negotiation mechanism for Trac wiki pages. With this plugin, your trac site can provides multiple localized pages for users.

Bugs/Feature Requests

Existing bugs and feature requests for TracWikiNegotiatorPlugin are here.

If you have any issues, create a new ticket.


Download the zipped source from [download:tracwikinegotiatorplugin here].


You can check out TracWikiNegotiatorPlugin from here using Subversion, or browse the source with Trac.

How to Install

Build egg file and place it appropriate place

If you want to install as system wide plugin:

$ python install

If you want to build plugin egg file and use it in some projects, build egg file and copy it into plugins directory under the trac environment directory:

$ python bdist_egg
$ cp dist/*.egg /your/trac/project/plugins

How to Setup

On using this plugin, do not forget enabling plugin WikiNegotiator in trac.ini or via WebAdmin page.

wikinegotiator.* = enabled

default_lang = en

How to Use

Using the negotiation feature is simply providing suffixed page like 'Foo.ja' for Japanese, '' for French, so on. When Japanese user (with Japanese setting in browser) access to the page 'Foo', he will see the content of Foo.ja instead of Foo. Likewise, French use will see the content of So what you should to do is creating localized page content as usual way. Note that suffix like '.ja' and '.fr' is to be a standard language code.

Non-suffixed page Foo is also usable for default content when no suffixed page is matched to user's request.

To see the page for your language, nothing to do to view localized page. To see the page for other language, specify the appropreate suffix for wiki page name in url explicitly, or add query parameter like "?lang=xx".

To edit the page, you can edit the page now you are seeing by simply press "Edit" button. To edit the page for other language, first, visit the desired page with a way described above, then press "Edit" button.

Bonus Macro

For bonus, this plugin contains two new macro: MultiLangTitleIndex and NTOC. The former is an alternative macro of TitleIndex. The later is an alternative of TOC macro. (see wiki:tocmacro in Trac-Hacs for more detail)


The differences against TitleIndex are:

  • Display in one line for variants like: "* WikiStart (ja, en, other)".
  • List pages in two columns: one is for user's pages, one is for system provided pages. System pages are the pages made by trac. WikiStart and SandBox are exception by default because it is a page to be edited by user.

It is useful for the site having many localized pages. You can use it by editing TitleIndex page.


If you installed and enabled TOC macro on Trac 0.11 (or later), NTOC macro is also enabled. It is delived macro from TOC so all the features in TOC macro are available and plus handling lang suffixed pages better.

If you specify normal page name without explicit lang suffix (i.e. !WikiStart), NTOC look up localized page for language same to parent page the macro is put on. If not exist, look up localized page for preferred langs. If not found, use specified name as is. So, it is easy to get localized TOC by simply specifyng base page names in argument.

NTOC also handles wildcard page argument by expanding and removing suffixed pages.

So, TOC can be simply replaced to NTOC.

Recent Changes

10723 by gotoh on 2011-10-03 11:26:54
Refresh existing languages on adding/deleting/renaming page.
10722 by gotoh on 2011-10-03 11:26:45
Do not remember temporary lang.
10718 by gotoh on 2011-10-03 09:19:52
Ignore invalid lang value for security reason.

We should reject lang value which does not have expected format ("xx"
or "xx-yy").



Author: gotoh