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# -*- coding: utf-8 -*-
"""
sphinx.builders.latex
~~~~~~~~~~~~~~~~~~~~~
LaTeX builder.
:copyright: Copyright 2007-2014 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
from os import path
from docutils import nodes
from docutils.io import FileOutput
from docutils.utils import new_document
from docutils.frontend import OptionParser
from sphinx import package_dir, addnodes
from sphinx.util import texescape
from sphinx.locale import _
from sphinx.builders import Builder
from sphinx.environment import NoUri
from sphinx.util.nodes import inline_all_toctrees
from sphinx.util.osutil import SEP, copyfile
from sphinx.util.console import bold, darkgreen
from sphinx.writers.latex import LaTeXWriter
class LaTeXBuilder(Builder):
"""
Builds LaTeX output to create PDF.
"""
name = 'latex'
format = 'latex'
supported_image_types = ['application/pdf', 'image/png',
'image/gif', 'image/jpeg']
def init(self):
self.docnames = []
self.document_data = []
texescape.init()
def get_outdated_docs(self):
return 'all documents' # for now
def get_target_uri(self, docname, typ=None):
if docname not in self.docnames:
raise NoUri
else:
return '%' + docname
def get_relative_uri(self, from_, to, typ=None):
# ignore source path
return self.get_target_uri(to, typ)
def init_document_data(self):
preliminary_document_data = map(list, self.config.latex_documents)
if not preliminary_document_data:
self.warn('no "latex_documents" config value found; no documents '
'will be written')
return
# assign subdirs to titles
self.titles = []
for entry in preliminary_document_data:
docname = entry[0]
if docname not in self.env.all_docs:
self.warn('"latex_documents" config value references unknown '
'document %s' % docname)
continue
self.document_data.append(entry)
if docname.endswith(SEP+'index'):
docname = docname[:-5]
self.titles.append((docname, entry[2]))
def write(self, *ignored):
docwriter = LaTeXWriter(self)
docsettings = OptionParser(
defaults=self.env.settings,
components=(docwriter,),
read_config_files=True).get_default_values()
self.init_document_data()
for entry in self.document_data:
docname, targetname, title, author, docclass = entry[:5]
toctree_only = False
if len(entry) > 5:
toctree_only = entry[5]
destination = FileOutput(
destination_path=path.join(self.outdir, targetname),
encoding='utf-8')
self.info("processing " + targetname + "... ", nonl=1)
doctree = self.assemble_doctree(docname, toctree_only,
appendices=((docclass != 'howto') and
self.config.latex_appendices or []))
self.post_process_images(doctree)
self.info("writing... ", nonl=1)
doctree.settings = docsettings
doctree.settings.author = author
doctree.settings.title = title
doctree.settings.docname = docname
doctree.settings.docclass = docclass
docwriter.write(doctree, destination)
self.info("done")
def assemble_doctree(self, indexfile, toctree_only, appendices):
self.docnames = set([indexfile] + appendices)
self.info(darkgreen(indexfile) + " ", nonl=1)
tree = self.env.get_doctree(indexfile)
tree['docname'] = indexfile
if toctree_only:
# extract toctree nodes from the tree and put them in a
# fresh document
new_tree = new_document('<latex output>')
new_sect = nodes.section()
new_sect += nodes.title(u'<Set title in conf.py>',
u'<Set title in conf.py>')
new_tree += new_sect
for node in tree.traverse(addnodes.toctree):
new_sect += node
tree = new_tree
largetree = inline_all_toctrees(self, self.docnames, indexfile, tree,
darkgreen)
largetree['docname'] = indexfile
for docname in appendices:
appendix = self.env.get_doctree(docname)
appendix['docname'] = docname
largetree.append(appendix)
self.info()
self.info("resolving references...")
self.env.resolve_references(largetree, indexfile, self)
# resolve :ref:s to distant tex files -- we can't add a cross-reference,
# but append the document name
for pendingnode in largetree.traverse(addnodes.pending_xref):
docname = pendingnode['refdocname']
sectname = pendingnode['refsectname']
newnodes = [nodes.emphasis(sectname, sectname)]
for subdir, title in self.titles:
if docname.startswith(subdir):
newnodes.append(nodes.Text(_(' (in '), _(' (in ')))
newnodes.append(nodes.emphasis(title, title))
newnodes.append(nodes.Text(')', ')'))
break
else:
pass
pendingnode.replace_self(newnodes)
return largetree
def finish(self):
# copy image files
if self.images:
self.info(bold('copying images...'), nonl=1)
for src, dest in self.images.iteritems():
self.info(' '+src, nonl=1)
copyfile(path.join(self.srcdir, src),
path.join(self.outdir, dest))
self.info()
# copy TeX support files from texinputs
self.info(bold('copying TeX support files...'))
staticdirname = path.join(package_dir, 'texinputs')
for filename in os.listdir(staticdirname):
if not filename.startswith('.'):
copyfile(path.join(staticdirname, filename),
path.join(self.outdir, filename))
# copy additional files
if self.config.latex_additional_files:
self.info(bold('copying additional files...'), nonl=1)
for filename in self.config.latex_additional_files:
self.info(' '+filename, nonl=1)
copyfile(path.join(self.confdir, filename),
path.join(self.outdir, path.basename(filename)))
self.info()
# the logo is handled differently
if self.config.latex_logo:
logobase = path.basename(self.config.latex_logo)
copyfile(path.join(self.confdir, self.config.latex_logo),
path.join(self.outdir, logobase))
self.info('done')
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