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reStructuredText Support in Trac

Introduction

Trac supports ​reStructuredText (RST) as an alternative to wiki markup where WikiFormatting is used.

From the reStucturedText webpage:

"reStructuredText is an easy-to-read, what-you-see-is-what-you-get plaintext markup syntax and parser system. It is useful for in-line program documentation (such as Python docstrings), for quickly creating simple web pages, and for standalone documents. reStructuredText is designed for extensibility for specific application domains."

If you want a file from your Subversion repository to be displayed as reStructuredText in the Trac source browser, set text/x-rst as the value for the Subversion property svn:mime-type, or add the extension rst to the filename. See ​this example.

The examples will only be rendered as reStructuredText if docutils is installed. If Pygments is installed but docutils is not installed, the examples will be syntax-highlighted rather than rendered as reStructuredText.

Requirements

To activate RST support in Trac, install the python docutils package with the command easy_install docutils, or through your operating system package manager. If not already available on your operating system, you can download it from ​PyPI.

More information on RST

Using RST in Trac

To specify that a block of text should be parsed using RST, use the rst processor.

TracLinks in reStructuredText

  • Trac provides a custom RST directive trac:: to allow TracLinks from within RST text.
Wiki Markup Display 
{{{#!rst
This is a reference to |a ticket|

.. |a ticket| trac:: #42
}}}

This is a reference to #42

  • You can also use the custom :trac: role to create TracLinks in RST.
Wiki Markup Display 
{{{#!rst
This is a reference to ticket `#12`:trac:

To learn how to use Trac, see `TracGuide`:trac:
}}}

This is a reference to ticket #12

To learn how to use Trac, see TracGuide

For a complete example of all uses of the :trac: role, see WikiRestructuredTextLinks.

Syntax highlighting in reStructuredText

There is a directive for doing TracSyntaxColoring in RST as well. The directive is called code-block:

Wiki Markup Display 
{{{#!rst

.. code-block:: python

   class Test:

       def TestFunction(self):
           pass

}}}

class Test:
    def TestFunction(self):
        pass

Note the need to indent the code at least one character after the .. code-block directive.

Wiki Macros in reStructuredText

To enable Wiki Macros in RST, you use the same code-block directive as for syntax highlighting:

Wiki Markup Display 
{{{#!rst

.. code-block:: RecentChanges

   Trac,3

}}}

Or use the :code-block: role for a more concise Wiki Macro-like syntax:

Wiki Markup Display 
{{{
#!rst

:code-block:`RecentChanges:Trac,3`
}}}

Bigger RST Example

The example below should be self-explanatory:

Wiki Markup Display 
{{{#!rst
FooBar Header
=============
reStructuredText is **nice**. It has its own webpage_.

A table:

=====  =====  ======
   Inputs     Output
------------  ------
  A      B    A or B
=====  =====  ======
False  False  False
True   False  True
False  True   True
True   True   True
=====  =====  ======

RST TracLinks
-------------

See also ticket `#42`:trac:.

.. _webpage: http://docutils.sourceforge.net/rst.html
}}}

FooBar Header

reStructuredText is nice. It has its own webpage.

A table:

Inputs Output
A B A or B
False False False
True False True
False True True
True True True

See also: WikiRestructuredTextLinks, WikiProcessors, WikiFormatting