Trac BlockDiag Plugin


blockdiag and seqdiag is a powerful utility to generate diagrams from simple text format.

This plugin provided wiki-processors which allow you to embed blockdiag diagrams to wiki page.

A fork of the plugin can be found here, and may be more up-to-date.

Bugs/Feature Requests

Existing bugs and feature requests for TracBlockDiagPlugin are here.

If you have any issues, create a new ticket.


Download the zipped source from here.

You may (at least on Ubuntu 14.04LTS) need to install the corresponding Python modules from easy_install blockdiag + easy_install seqdiag should work.


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


This text will be rendered like below.

   A -> B -> C;
        B -> D;

This text will be rendered like below.

  browser  -> webserver [label = "GET /index.html"];
  browser <-- webserver;

  browser  -> webserver [label = "POST /blog/comment"];
              webserver  -> database [label = "INSERT comment"];
              webserver <-- database;
  browser <-- webserver;

Recent Changes

[10913] by iwata0303 on 2011-11-14 08:12:21
[10912] by iwata0303 on 2011-11-14 08:11:33
[10911] by iwata0303 on 2011-11-14 08:10:16


Author: iwata0303
Maintainer: iwata0303

Last modified 11 months ago Last modified on Jun 6, 2014, 4:27:25 PM

Attachments (2)

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