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Diffstat (limited to 'external/rst-directive-old.py')
-rw-r--r-- | external/rst-directive-old.py | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/external/rst-directive-old.py b/external/rst-directive-old.py new file mode 100644 index 00000000..4cd0d501 --- /dev/null +++ b/external/rst-directive-old.py @@ -0,0 +1,77 @@ +# -*- coding: utf-8 -*- +""" + The Pygments reStructuredText directive + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + This fragment is a Docutils_ 0.4 directive that renders source code + (to HTML only, currently) via Pygments. + + To use it, adjust the options below and copy the code into a module + that you import on initialization. The code then automatically + registers a ``sourcecode`` directive that you can use instead of + normal code blocks like this:: + + .. sourcecode:: python + + My code goes here. + + If you want to have different code styles, e.g. one with line numbers + and one without, add formatters with their names in the VARIANTS dict + below. You can invoke them instead of the DEFAULT one by using a + directive option:: + + .. sourcecode:: python + :linenos: + + My code goes here. + + Look at the `directive documentation`_ to get all the gory details. + + .. _Docutils: http://docutils.sf.net/ + .. _directive documentation: + http://docutils.sourceforge.net/docs/howto/rst-directives.html + + :copyright: Copyright 2006-2009 by the Pygments team, see AUTHORS. + :license: BSD, see LICENSE for details. +""" + +# Options +# ~~~~~~~ + +# Set to True if you want inline CSS styles instead of classes +INLINESTYLES = False + +from pygments.formatters import HtmlFormatter + +# The default formatter +DEFAULT = HtmlFormatter(noclasses=INLINESTYLES) + +# Add name -> formatter pairs for every variant you want to use +VARIANTS = { + # 'linenos': HtmlFormatter(noclasses=INLINESTYLES, linenos=True), +} + + +from docutils import nodes +from docutils.parsers.rst import directives + +from pygments import highlight +from pygments.lexers import get_lexer_by_name, TextLexer + +def pygments_directive(name, arguments, options, content, lineno, + content_offset, block_text, state, state_machine): + try: + lexer = get_lexer_by_name(arguments[0]) + except ValueError: + # no lexer found - use the text one instead of an exception + lexer = TextLexer() + # take an arbitrary option if more than one is given + formatter = options and VARIANTS[options.keys()[0]] or DEFAULT + parsed = highlight(u'\n'.join(content), lexer, formatter) + return [nodes.raw('', parsed, format='html')] + +pygments_directive.arguments = (1, 0, 1) +pygments_directive.content = 1 +pygments_directive.options = dict([(key, directives.flag) for key in VARIANTS]) + +directives.register_directive('sourcecode', pygments_directive) |