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#!/usr/bin/python
# $Id: rst2latex.py 5905 2009-04-16 12:04:49Z milde $
# Author: David Goodger <goodger@python.org>
# Copyright: This module has been placed in the public domain.
"""
A minimal front end to the Docutils Publisher, producing LaTeX.
"""
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
try:
import locale
locale.setlocale(locale.LC_ALL, '')
except:
pass
import subprocess
import os.path
from docutils.core import publish_cmdline
from docutils.parsers.rst import directives
from docutils.parsers.rst.directives.images import Figure, Image
description = ('Generates LaTeX documents from standalone reStructuredText '
'sources. '
'Reads from <source> (default is stdin) and writes to '
'<destination> (default is stdout). See '
'<http://docutils.sourceforge.net/docs/user/latex.html> for '
'the full reference.')
DOT2TEX = "dot2tex"
def processContent(node):
if node.content.count("..") == 0:
sep = -1
text = '\n'.join(node.content)
else:
sep = node.content.index("..")
text = '\n'.join(node.content[:sep])
extension = 'pdf'
pdfFile = "tmp/%s.pdf" % (hash(text))
if not os.path.exists(pdfFile):
conversion = subprocess.Popen(['dot',
'-T', extension,
"-Gcharset=utf8",
],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
)
ps2pdf = subprocess.Popen(['ps2pdf',
"-",
pdfFile
],
stdin = conversion.stdout
)
conversion.stdin.write("%s G {\n" %
node.arguments[0].encode("utf-8"))
conversion.stdin.write(text.encode("utf-8"))
conversion.stdin.write("\n}")
conversion.stdin.close()
conversion.stdout.close()
ps2pdf.wait()
conversion.wait()
if conversion.returncode != 0:
raise node.error(
'Error in "%s" directive:\n' % node.name)
return (sep, pdfFile)
class GraphvizImage(Image):
""" Generate a graphviz image
"""
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = True
has_content = True
option_spec = Image.option_spec.copy()
def run(self):
sep, arguments = processContent(self)
self.arguments = [arguments]
self.options['scale'] = 66
if sep == -1:
self.content = None
else:
self.content = self.content[sep+1:]
return Image.run(self)
class Graphviz(Figure):
""" Generate a graphviz image
"""
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = True
has_content = True
option_spec = Figure.option_spec.copy()
def run(self):
sep, arguments = processContent(self)
self.arguments = [arguments]
self.options['scale'] = 66
if sep == -1:
self.content = None
else:
self.content = self.content[sep+1:]
return Figure.run(self)
class Dot2Tex(Figure):
""" Generate a graphviz image using dot2tex
"""
required_arguments = 1
optional_arguments = 0
final_argument_whitespace = True
has_content = True
option_spec = Figure.option_spec.copy()
def run(self):
if self.content.count("..") == 0:
sep = -1
text = '\n'.join(self.content)
else:
sep = self.content.index("..")
text = '\n'.join(self.content[:sep])
pdfFile = "tmp/%s.pdf" % (hash(text))
texFile = "tmp/%s.tex" % (hash(text))
if not os.path.exists(pdfFile):
conversion = subprocess.Popen([DOT2TEX,
'-c',
'-o', texFile,
],
stdin=subprocess.PIPE
)
conversion.communicate("%s G { \n %s \n}"
% (self.arguments[0], text))
conversion.wait()
ps2pdf = subprocess.Popen(['pdflatex',
'-output-directory', 'tmp',
texFile,
],
)
ps2pdf.wait()
if conversion.returncode != 0:
raise self.error(
'Error in "%s" directive:\n' % self.name)
self.arguments = [pdfFile]
self.options['scale'] = 66
if sep == -1:
self.content = None
else:
self.content = self.content[sep+1:]
return Figure.run(self)
#try:
# # Check if dot2tex exists and register the conversion with dot2tex and
# # pdftex
# subprocess.check_call([DOT2TEX, "-V"])
# directives.register_directive('graphviz', Dot2Tex)
# directives.register_directive('graphimg', GraphvizImage)
#except:
# # Otherwise use the old graphviz program
directives.register_directive('graphviz', Graphviz)
directives.register_directive('graphimg', GraphvizImage)
publish_cmdline(writer_name='latex', description=description)
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