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218 lines
9.1 KiB
218 lines
9.1 KiB
"""
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sphinx.builders.texinfo
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~~~~~~~~~~~~~~~~~~~~~~~
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Texinfo builder.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import os
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from os import path
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from typing import Any, Dict, Iterable, List, Tuple, Union
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from docutils import nodes
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from docutils.frontend import OptionParser
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from docutils.io import FileOutput
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from sphinx import addnodes, package_dir
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from sphinx.application import Sphinx
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from sphinx.builders import Builder
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from sphinx.config import Config
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from sphinx.environment.adapters.asset import ImageAdapter
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from sphinx.errors import NoUri
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from sphinx.locale import _, __
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from sphinx.util import logging, progress_message, status_iterator
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from sphinx.util.console import darkgreen # type: ignore
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from sphinx.util.docutils import new_document
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from sphinx.util.fileutil import copy_asset_file
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from sphinx.util.nodes import inline_all_toctrees
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from sphinx.util.osutil import SEP, ensuredir, make_filename_from_project
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from sphinx.writers.texinfo import TexinfoTranslator, TexinfoWriter
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logger = logging.getLogger(__name__)
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template_dir = os.path.join(package_dir, 'templates', 'texinfo')
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class TexinfoBuilder(Builder):
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"""
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Builds Texinfo output to create Info documentation.
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"""
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name = 'texinfo'
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format = 'texinfo'
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epilog = __('The Texinfo files are in %(outdir)s.')
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if os.name == 'posix':
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epilog += __("\nRun 'make' in that directory to run these through "
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"makeinfo\n"
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"(use 'make info' here to do that automatically).")
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supported_image_types = ['image/png', 'image/jpeg',
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'image/gif']
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default_translator_class = TexinfoTranslator
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def init(self) -> None:
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self.docnames = [] # type: Iterable[str]
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self.document_data = [] # type: List[Tuple[str, str, str, str, str, str, str, bool]]
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def get_outdated_docs(self) -> Union[str, List[str]]:
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return 'all documents' # for now
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def get_target_uri(self, docname: str, typ: str = None) -> str:
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if docname not in self.docnames:
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raise NoUri(docname, typ)
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else:
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return '%' + docname
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def get_relative_uri(self, from_: str, to: str, typ: str = None) -> str:
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# ignore source path
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return self.get_target_uri(to, typ)
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def init_document_data(self) -> None:
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preliminary_document_data = [list(x) for x in self.config.texinfo_documents]
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if not preliminary_document_data:
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logger.warning(__('no "texinfo_documents" config value found; no documents '
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'will be written'))
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return
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# assign subdirs to titles
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self.titles = [] # type: List[Tuple[str, str]]
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for entry in preliminary_document_data:
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docname = entry[0]
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if docname not in self.env.all_docs:
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logger.warning(__('"texinfo_documents" config value references unknown '
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'document %s'), docname)
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continue
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self.document_data.append(entry) # type: ignore
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if docname.endswith(SEP + 'index'):
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docname = docname[:-5]
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self.titles.append((docname, entry[2]))
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def write(self, *ignored: Any) -> None:
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self.init_document_data()
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for entry in self.document_data:
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docname, targetname, title, author = entry[:4]
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targetname += '.texi'
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direntry = description = category = ''
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if len(entry) > 6:
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direntry, description, category = entry[4:7]
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toctree_only = False
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if len(entry) > 7:
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toctree_only = entry[7]
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destination = FileOutput(
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destination_path=path.join(self.outdir, targetname),
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encoding='utf-8')
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with progress_message(__("processing %s") % targetname):
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appendices = self.config.texinfo_appendices or []
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doctree = self.assemble_doctree(docname, toctree_only, appendices=appendices)
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with progress_message(__("writing")):
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self.post_process_images(doctree)
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docwriter = TexinfoWriter(self)
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settings = OptionParser(
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defaults=self.env.settings,
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components=(docwriter,),
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read_config_files=True).get_default_values() # type: Any
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settings.author = author
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settings.title = title
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settings.texinfo_filename = targetname[:-5] + '.info'
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settings.texinfo_elements = self.config.texinfo_elements
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settings.texinfo_dir_entry = direntry or ''
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settings.texinfo_dir_category = category or ''
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settings.texinfo_dir_description = description or ''
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settings.docname = docname
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doctree.settings = settings
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docwriter.write(doctree, destination)
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self.copy_image_files(targetname[:-5])
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def assemble_doctree(self, indexfile: str, toctree_only: bool, appendices: List[str]) -> nodes.document: # NOQA
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self.docnames = set([indexfile] + appendices)
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logger.info(darkgreen(indexfile) + " ", nonl=True)
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tree = self.env.get_doctree(indexfile)
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tree['docname'] = indexfile
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if toctree_only:
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# extract toctree nodes from the tree and put them in a
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# fresh document
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new_tree = new_document('<texinfo output>')
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new_sect = nodes.section()
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new_sect += nodes.title('<Set title in conf.py>',
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'<Set title in conf.py>')
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new_tree += new_sect
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for node in tree.traverse(addnodes.toctree):
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new_sect += node
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tree = new_tree
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largetree = inline_all_toctrees(self, self.docnames, indexfile, tree,
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darkgreen, [indexfile])
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largetree['docname'] = indexfile
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for docname in appendices:
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appendix = self.env.get_doctree(docname)
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appendix['docname'] = docname
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largetree.append(appendix)
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logger.info('')
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logger.info(__("resolving references..."))
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self.env.resolve_references(largetree, indexfile, self)
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# TODO: add support for external :ref:s
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for pendingnode in largetree.traverse(addnodes.pending_xref):
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docname = pendingnode['refdocname']
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sectname = pendingnode['refsectname']
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newnodes = [nodes.emphasis(sectname, sectname)] # type: List[nodes.Node]
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for subdir, title in self.titles:
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if docname.startswith(subdir):
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newnodes.append(nodes.Text(_(' (in '), _(' (in ')))
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newnodes.append(nodes.emphasis(title, title))
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newnodes.append(nodes.Text(')', ')'))
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break
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else:
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pass
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pendingnode.replace_self(newnodes)
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return largetree
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def finish(self) -> None:
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self.copy_support_files()
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def copy_image_files(self, targetname: str) -> None:
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if self.images:
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stringify_func = ImageAdapter(self.app.env).get_original_image_uri
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for src in status_iterator(self.images, __('copying images... '), "brown",
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len(self.images), self.app.verbosity,
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stringify_func=stringify_func):
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dest = self.images[src]
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try:
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imagedir = path.join(self.outdir, targetname + '-figures')
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ensuredir(imagedir)
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copy_asset_file(path.join(self.srcdir, dest), imagedir)
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except Exception as err:
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logger.warning(__('cannot copy image file %r: %s'),
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path.join(self.srcdir, src), err)
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def copy_support_files(self) -> None:
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try:
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with progress_message(__('copying Texinfo support files')):
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logger.info('Makefile ', nonl=True)
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copy_asset_file(os.path.join(template_dir, 'Makefile'), self.outdir)
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except OSError as err:
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logger.warning(__("error writing file Makefile: %s"), err)
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def default_texinfo_documents(config: Config) -> List[Tuple[str, str, str, str, str, str, str]]: # NOQA
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""" Better default texinfo_documents settings. """
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filename = make_filename_from_project(config.project)
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return [(config.master_doc, filename, config.project, config.author, filename,
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'One line description of project', 'Miscellaneous')]
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def setup(app: Sphinx) -> Dict[str, Any]:
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app.add_builder(TexinfoBuilder)
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app.add_config_value('texinfo_documents', default_texinfo_documents, None)
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app.add_config_value('texinfo_appendices', [], None)
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app.add_config_value('texinfo_elements', {}, None)
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app.add_config_value('texinfo_domain_indices', True, None, [list])
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app.add_config_value('texinfo_show_urls', 'footnote', None)
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app.add_config_value('texinfo_no_detailmenu', False, None)
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return {
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'version': 'builtin',
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'parallel_read_safe': True,
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'parallel_write_safe': True,
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}
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