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|
#!/usr/bin/python
#
# $Id$
# Author: Engelbert Gruber <grubert@users.sourceforge.net>
# Copyright: This module has been placed in the public domain.
"""
rst2vers.py -- LaTeX verse writer
=================================
Usage :
rst2vers.py input output
simple transformation from a reStructured text into a LaTeX
verse poem.
reSt input ::
All My Exes
---------------
| your dogs, your daughters
| or the state of your kitchen.
|
| I will live in the secure orbit
output ::
\poemtitle{All My Exes}
\begin{verse}
your dogs, your daughters \\
or the state of your kitchen. \\
I will live in the secure orbit \\
\end{verse}
"""
import sys
from docutils.core import Publisher
from docutils.readers.standalone import Reader as StandaloneReader
from docutils.writers.latex2e import Writer as LaTeXWriter, LaTeXTranslator
from docutils import nodes
class Reader(StandaloneReader):
pass
class VerseLaTeXWriter(LaTeXWriter):
def __init__(self):
LaTeXWriter.__init__(self)
self.translator_class = VerseLaTeXTranslator
class VerseLaTeXTranslator(LaTeXTranslator):
remap_title = {
}
roman = (None,None,"ii","iii","iv","v")
refuri_override = {
"reference" : "reference-guide",
"callbacks" : "option-callbacks",
}
def __init__(self, document):
LaTeXTranslator.__init__(self, document)
self._verse_in = [] # add vin indentation.
self._in_stanza = 0
def astext(self):
return ''.join(self.body)
def visit_document(self, node):
pass
def depart_document(self, node):
pass
def visit_title(self, node):
self.body.append('\\poemtitle{')
def depart_title(self, node):
self.body.append('}\n')
def visit_line_block(self, node):
if isinstance(node.parent, nodes.line_block):
# BUG only one indentation supported
self._verse_in.append('\\vin ')
else:
self.body.append('\\begin{verse}\n')
def depart_line_block(self, node):
if len(self._verse_in)>0:
self._verse_in.pop()
else:
self.body.append('\\end{verse}\n')
def visit_line(self, node):
if len(node.astext().strip())==0:
if self._in_stanza != 0:
# change last line end to ``\\!\n``
self.body[-1] = self.body[-1].rstrip() + '!\n'
self.body.append('\n')
self._in_stanza = 0
raise nodes.SkipNode
if len(self._verse_in)>0:
# BUG assume only one indentation is needed
self.body.append(self._verse_in[0])
def depart_line(self, node):
self._in_stanza = 1
self.body.append(' \\\\\n')
def convert(infilename, outfilename):
print "converting %s to %s" % (infilename, outfilename)
pub = Publisher()
pub.set_components('standalone', # reader
'restructuredtext', # parser
'latex') # writer (arg, will be discarded)
pub.reader = StandaloneReader()
pub.writer = VerseLaTeXWriter()
pub.process_programmatic_settings(None, None, None)
pub.set_source(source_path=infilename)
pub.set_destination(destination_path=outfilename)
pub.publish()
def main():
convert(sys.argv[1], sys.argv[2])
main()
|
