Gabriele Lanaro avatar Gabriele Lanaro committed de39b61

moved in the correct position

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-/home/eulero/workspace/blogger/pythonblog/utils/rst_directive.py
+# -*- 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: 2007 by Georg Brandl.
+    :license: BSD, see LICENSE for more details.
+"""
+
+# Options
+# ~~~~~~~
+
+# Set to True if you want inline CSS styles instead of classes
+INLINESTYLES = True
+
+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)
+
+#import docutils.core
+#docutils.core.publish_cmdline(writer_name='html')
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