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Use Markdown extensions in Nikola

The default markup language of input files in Nikola is restructuredText. You can, of course, configure Nikola to also process Markdown formatted files but by default there are missing some features like admonitions or table of contents which can be enabled by extensions.

Basic configuration

First things first: you have to edit the variables COMPILERS, POSTS and PAGES of the conf.py and uncomment or add a line in order to make Nikola recognize and render Markdown files:

COMPILERS = {
    "rest": ('.rst', '.txt'),
    "markdown": ('.md', '.mdown', '.markdown'),
    ...
    }
POSTS = (
    ("posts/*.rst", "posts", "post.tmpl"),
    ...
    ("posts/*.md", "posts", "post.tmpl"),
)
PAGES = (
    ("pages/*.rst", "pages", "story.tmpl"),
    ...
    ("pages/*.md", "pages", "story.tmpl"),
)

Markdown extensions

There are two types of Markdown extensions:

  1. Officially supported extensions that are shipped with the python-markdown package.
  2. Third party extensions which have to be installed separately on your system.

Enable

An extension is enabled by adding it to the MARKDOWN_EXTENSIONS variable.

If you want to enable officially supported extensions you add the extensions' entry point as list item. If the extension is part of the extra folder you can use extra as list item or the name of the extension, p.e. you enable definition lists with either def_list or extra.

The list item for a third party extension is the exact dot notation (see the extension's documentation).

Examples

MARKDOWN_EXTENSIONS = [# all extensions of extra available
                       "extra",
                       # other officially supported extensions
                       "admonition",
                       "toc",
                       # third party extension
                       "markdown_include.include",
                      ]

Configure

Some extensions offer configuration options. These are defined in the MARKDOWN_EXTENSIONS_CONFIGS variable. The dictionary's structure is

MARKDOWN_EXTENSIONS_CONFIGS = {
    DEFAULT_LANG: {
        "ext1": {"option1": value1,
                 "option2": value2",
            },
        "ext2": {"option1": value1,
                 "option2": value2",
            },
        ...
    },
    "other_configured_lang": {
        "ext1": {"option1": value1,
                 "option2": value3",
            },
        ...
    },
}

Use

Consult the extension's documentation for details. Useful extensions:

Table of contents

Enabled by:
"toc"
Usage:
[TOC]

Definition lists

Enabled by:
"extra"
Usage:
item1
:   text
item2
:   text

Admonitions

Enabled by:
"admonition"
Usage:

Common types in reST are the attention, caution, danger, error, hint, important, note, tip, and warning directives but any type can be defined (css editing may be required).

!!! danger
    no trespassing

!!! important "custom title"
    you better read this

Include

Enabled by:
"markdown_include.include"
Usage:
{!posts/this-is-another-markdown-file.md!}

The input file will not be rendered if it has not been changed even if an included file was edited.

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