# 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),
	'nolinenos': HtmlFormatter(noclasses=INLINESTYLES, linenos=False),
}


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)
directives.register_directive('code-block', pygments_directive)
