# -*- coding: utf-8 -*-
"""
sphinx.builders.latex
~~~~~~~~~~~~~~~~~~~~~
LaTeX builder.
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
from os import path
from docutils import nodes
from docutils.frontend import OptionParser
from docutils.io import FileOutput
from six import text_type
from sphinx import package_dir, addnodes, highlighting
from sphinx.builders import Builder
from sphinx.config import string_classes, ENUM
from sphinx.environment import NoUri
from sphinx.environment.adapters.asset import ImageAdapter
from sphinx.errors import SphinxError, ConfigError
from sphinx.locale import _
from sphinx.transforms import SphinxTransformer
from sphinx.transforms.references import SubstitutionDefinitionsRemover
from sphinx.util import texescape, logging, status_iterator
from sphinx.util.console import bold, darkgreen # type: ignore
from sphinx.util.docutils import new_document
from sphinx.util.fileutil import copy_asset_file
from sphinx.util.nodes import inline_all_toctrees
from sphinx.util.osutil import SEP, make_filename
from sphinx.writers.latex import LaTeXWriter, LaTeXTranslator
if False:
# For type annotation
from typing import Any, Dict, Iterable, List, Tuple, Union # NOQA
from sphinx.application import Sphinx # NOQA
from sphinx.config import Config # NOQA
logger = logging.getLogger(__name__)
[documentos]class LaTeXBuilder(Builder):
"""
Builds LaTeX output to create PDF.
"""
name = 'latex'
format = 'latex'
epilog = 'The LaTeX files are in %(outdir)s.'
if os.name == 'posix':
epilog += ("\nRun 'make' in that directory to run these through "
"(pdf)latex\n"
"(use `make latexpdf' here to do that automatically).")
supported_image_types = ['application/pdf', 'image/png', 'image/jpeg']
supported_remote_images = False
default_translator_class = LaTeXTranslator
def init(self):
# type: () -> None
self.docnames = [] # type: Iterable[unicode]
self.document_data = [] # type: List[Tuple[unicode, unicode, unicode, unicode, unicode, bool]] # NOQA
self.usepackages = [] # type: List[unicode]
texescape.init()
def get_outdated_docs(self):
# type: () -> Union[unicode, List[unicode]]
return 'all documents' # for now
def get_target_uri(self, docname, typ=None):
# type: (unicode, unicode) -> unicode
if docname not in self.docnames:
raise NoUri
else:
return '%' + docname
def get_relative_uri(self, from_, to, typ=None):
# type: (unicode, unicode, unicode) -> unicode
# ignore source path
return self.get_target_uri(to, typ)
def init_document_data(self):
# type: () -> None
preliminary_document_data = [list(x) for x in self.config.latex_documents]
if not preliminary_document_data:
logger.warning('no "latex_documents" config value found; no documents '
'will be written')
return
# assign subdirs to titles
self.titles = [] # type: List[Tuple[unicode, unicode]]
for entry in preliminary_document_data:
docname = entry[0]
if docname not in self.env.all_docs:
logger.warning('"latex_documents" config value references unknown '
'document %s', docname)
continue
self.document_data.append(entry) # type: ignore
if docname.endswith(SEP + 'index'):
docname = docname[:-5]
self.titles.append((docname, entry[2]))
def write_stylesheet(self):
# type: () -> None
highlighter = highlighting.PygmentsBridge(
'latex', self.config.pygments_style, self.config.trim_doctest_flags)
stylesheet = path.join(self.outdir, 'sphinxhighlight.sty')
with open(stylesheet, 'w') as f:
f.write('\\NeedsTeXFormat{LaTeX2e}[1995/12/01]\n')
f.write('\\ProvidesPackage{sphinxhighlight}'
'[2016/05/29 stylesheet for highlighting with pygments]\n\n')
f.write(highlighter.get_stylesheet()) # type: ignore
def write(self, *ignored):
# type: (Any) -> None
docwriter = LaTeXWriter(self)
docsettings = OptionParser(
defaults=self.env.settings,
components=(docwriter,),
read_config_files=True).get_default_values()
self.init_document_data()
self.write_stylesheet()
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')
logger.info("processing %s...", targetname, nonl=1)
toctrees = self.env.get_doctree(docname).traverse(addnodes.toctree)
if toctrees:
if toctrees[0].get('maxdepth') > 0:
tocdepth = toctrees[0].get('maxdepth')
else:
tocdepth = None
else:
tocdepth = None
doctree = self.assemble_doctree(
docname, toctree_only,
appendices=((docclass != 'howto') and self.config.latex_appendices or []))
doctree['tocdepth'] = tocdepth
self.apply_transforms(doctree)
self.post_process_images(doctree)
logger.info("writing... ", nonl=1)
doctree.settings = docsettings
doctree.settings.author = author
doctree.settings.title = title
doctree.settings.contentsname = self.get_contentsname(docname)
doctree.settings.docname = docname
doctree.settings.docclass = docclass
docwriter.write(doctree, destination)
logger.info("done")
def get_contentsname(self, indexfile):
# type: (unicode) -> unicode
tree = self.env.get_doctree(indexfile)
contentsname = None
for toctree in tree.traverse(addnodes.toctree):
if 'caption' in toctree:
contentsname = toctree['caption']
break
return contentsname
def assemble_doctree(self, indexfile, toctree_only, appendices):
# type: (unicode, bool, List[unicode]) -> nodes.Node
self.docnames = set([indexfile] + appendices)
logger.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, [indexfile])
largetree['docname'] = indexfile
for docname in appendices:
appendix = self.env.get_doctree(docname)
appendix['docname'] = docname
largetree.append(appendix)
logger.info('')
logger.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 apply_transforms(self, doctree):
# type: (nodes.document) -> None
transformer = SphinxTransformer(doctree)
transformer.set_environment(self.env)
transformer.add_transforms([SubstitutionDefinitionsRemover])
transformer.apply_transforms()
def finish(self):
# type: () -> None
self.copy_image_files()
# copy TeX support files from texinputs
context = {'latex_engine': self.config.latex_engine}
logger.info(bold('copying TeX support files...'))
staticdirname = path.join(package_dir, 'texinputs')
for filename in os.listdir(staticdirname):
if not filename.startswith('.'):
copy_asset_file(path.join(staticdirname, filename),
self.outdir, context=context)
# use pre-1.6.x Makefile for make latexpdf on Windows
if os.name == 'nt':
staticdirname = path.join(package_dir, 'texinputs_win')
copy_asset_file(path.join(staticdirname, 'Makefile_t'),
self.outdir, context=context)
# copy additional files
if self.config.latex_additional_files:
logger.info(bold('copying additional files...'), nonl=1)
for filename in self.config.latex_additional_files:
logger.info(' ' + filename, nonl=1)
copy_asset_file(path.join(self.confdir, filename), self.outdir)
logger.info('')
# the logo is handled differently
if self.config.latex_logo:
if not path.isfile(path.join(self.confdir, self.config.latex_logo)):
raise SphinxError('logo file %r does not exist' % self.config.latex_logo)
else:
copy_asset_file(path.join(self.confdir, self.config.latex_logo), self.outdir)
logger.info('done')
def copy_image_files(self):
# type: () -> None
if self.images:
stringify_func = ImageAdapter(self.app.env).get_original_image_uri
for src in status_iterator(self.images, 'copying images... ', "brown",
len(self.images), self.app.verbosity,
stringify_func=stringify_func):
dest = self.images[src]
try:
copy_asset_file(path.join(self.srcdir, src),
path.join(self.outdir, dest))
except Exception as err:
logger.warning('cannot copy image file %r: %s',
path.join(self.srcdir, src), err)
def validate_config_values(app):
# type: (Sphinx) -> None
for document in app.config.latex_documents:
try:
text_type(document[2])
except UnicodeDecodeError:
raise ConfigError(
'Invalid latex_documents.title found (might contain non-ASCII chars. '
'Please use u"..." notation instead): %r' % (document,)
)
try:
text_type(document[3])
except UnicodeDecodeError:
raise ConfigError(
'Invalid latex_documents.author found (might contain non-ASCII chars. '
'Please use u"..." notation instead): %r' % (document,)
)
def default_latex_engine(config):
# type: (Config) -> unicode
""" Better default latex_engine settings for specific languages. """
if config.language == 'ja':
return 'platex'
else:
return 'pdflatex'
def default_latex_docclass(config):
# type: (Config) -> Dict[unicode, unicode]
""" Better default latex_docclass settings for specific languages. """
if config.language == 'ja':
return {'manual': 'jsbook',
'howto': 'jreport'}
else:
return {}
def setup(app):
# type: (Sphinx) -> Dict[unicode, Any]
app.add_builder(LaTeXBuilder)
app.connect('builder-inited', validate_config_values)
app.add_config_value('latex_engine', default_latex_engine, None,
ENUM('pdflatex', 'xelatex', 'lualatex', 'platex'))
app.add_config_value('latex_documents',
lambda self: [(self.master_doc, make_filename(self.project) + '.tex',
self.project, '', 'manual')],
None)
app.add_config_value('latex_logo', None, None, string_classes)
app.add_config_value('latex_appendices', [], None)
app.add_config_value('latex_use_latex_multicolumn', False, None)
app.add_config_value('latex_toplevel_sectioning', None, None,
ENUM('part', 'chapter', 'section'))
app.add_config_value('latex_domain_indices', True, None, [list])
app.add_config_value('latex_show_urls', 'no', None)
app.add_config_value('latex_show_pagerefs', False, None)
app.add_config_value('latex_elements', {}, None)
app.add_config_value('latex_additional_files', [], None)
app.add_config_value('latex_docclass', default_latex_docclass, None)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
