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#!/usr/bin/env python
"""
A minimal front end to the Docutils Publisher, producing LaTeX.
"""
try:
import locale
locale.setlocale(locale.LC_ALL, '')
except:
pass
from docutils.parsers.rst.roles import register_canonical_role
from docutils import nodes
from docutils.writers.latex2e import LaTeXTranslator
from docutils.core import publish_cmdline, default_description
# Define LaTeX math node:
class latex_math(nodes.Element):
tagname = '#latex-math'
def __init__(self, rawsource, latex):
nodes.Element.__init__(self, rawsource)
self.latex = latex
# Register role:
def latex_math_role(role, rawtext, text, lineno, inliner,
options={}, content=[]):
i = rawtext.find('`')
latex = rawtext[i+1:-1]
node = latex_math(rawtext, latex)
return [node], []
register_canonical_role('latex-math', latex_math_role)
# Register directive:
try:
from docutils.parsers.rst import Directive
except ImportError:
from docutils.parsers.rst.directives import _directives
def latex_math_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
latex = ''.join(content)
node = latex_math(block_text, latex)
return [node]
latex_math_directive.arguments = None
latex_math_directive.options = {}
latex_math_directive.content = 1
_directives['latex-math'] = latex_math_directive
else:
from docutils.parsers.rst import directives
class latex_math_directive(Directive):
has_content = True
def run(self):
latex = ''.join(self.content)
node = latex_math(self.block_text, latex)
return [node]
directives.register_directive('latex-math', latex_math_directive)
# Add visit/depart methods to HTML-Translator:
def visit_latex_math(self, node):
inline = isinstance(node.parent, nodes.TextElement)
if inline:
self.body.append('$%s$' % node.latex)
else:
self.body.extend(['\\begin{equation*}\\begin{split}',
node.latex,
'\\end{split}\\end{equation*}'])
def depart_latex_math(self, node):
pass
LaTeXTranslator.visit_latex_math = visit_latex_math
LaTeXTranslator.depart_latex_math = depart_latex_math
description = ('Generates LaTeX documents from standalone reStructuredText '
'sources. ' + default_description)
publish_cmdline(writer_name='latex', description=description)
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