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texinfo.py
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texinfo.py
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# -*- coding: utf-8 -*-
"""
sphinx.builders.texinfo
~~~~~~~~~~~~~~~~~~~~~~~
Texinfo builder.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from os import path
from six import iteritems
from docutils import nodes
from docutils.io import FileOutput
from docutils.utils import new_document
from docutils.frontend import OptionParser
from sphinx import addnodes
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, make_filename
from sphinx.util.console import bold, darkgreen
from sphinx.writers.texinfo import TexinfoWriter
TEXINFO_MAKEFILE = '''\
# Makefile for Sphinx Texinfo output
infodir ?= /usr/share/info
MAKEINFO = makeinfo --no-split
MAKEINFO_html = makeinfo --no-split --html
MAKEINFO_plaintext = makeinfo --no-split --plaintext
TEXI2PDF = texi2pdf --batch --expand
INSTALL_INFO = install-info
ALLDOCS = $(basename $(wildcard *.texi))
all: info
info: $(addsuffix .info,$(ALLDOCS))
plaintext: $(addsuffix .txt,$(ALLDOCS))
html: $(addsuffix .html,$(ALLDOCS))
pdf: $(addsuffix .pdf,$(ALLDOCS))
install-info: info
\tfor f in *.info; do \\
\t cp -t $(infodir) "$$f" && \\
\t $(INSTALL_INFO) --info-dir=$(infodir) "$$f" ; \\
\tdone
uninstall-info: info
\tfor f in *.info; do \\
\t rm -f "$(infodir)/$$f" ; \\
\t $(INSTALL_INFO) --delete --info-dir=$(infodir) "$$f" ; \\
\tdone
%.info: %.texi
\t$(MAKEINFO) -o '$@' '$<'
%.txt: %.texi
\t$(MAKEINFO_plaintext) -o '$@' '$<'
%.html: %.texi
\t$(MAKEINFO_html) -o '$@' '$<'
%.pdf: %.texi
\t-$(TEXI2PDF) '$<'
\t-$(TEXI2PDF) '$<'
\t-$(TEXI2PDF) '$<'
clean:
\trm -f *.info *.pdf *.txt *.html
\trm -f *.log *.ind *.aux *.toc *.syn *.idx *.out *.ilg *.pla *.ky *.pg
\trm -f *.vr *.tp *.fn *.fns *.def *.defs *.cp *.cps *.ge *.ges *.mo
.PHONY: all info plaintext html pdf install-info uninstall-info clean
'''
class TexinfoBuilder(Builder):
"""
Builds Texinfo output to create Info documentation.
"""
name = 'texinfo'
format = 'texinfo'
supported_image_types = ['image/png', 'image/jpeg',
'image/gif']
def init(self):
self.docnames = []
self.document_data = []
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 = [list(x) for x in self.config.texinfo_documents]
if not preliminary_document_data:
self.warn('no "texinfo_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('"texinfo_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):
self.init_document_data()
for entry in self.document_data:
docname, targetname, title, author = entry[:4]
targetname += '.texi'
direntry = description = category = ''
if len(entry) > 6:
direntry, description, category = entry[4:7]
toctree_only = False
if len(entry) > 7:
toctree_only = entry[7]
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=(self.config.texinfo_appendices or []))
self.info("writing... ", nonl=1)
self.post_process_images(doctree)
docwriter = TexinfoWriter(self)
settings = OptionParser(
defaults=self.env.settings,
components=(docwriter,),
read_config_files=True).get_default_values()
settings.author = author
settings.title = title
settings.texinfo_filename = targetname[:-5] + '.info'
settings.texinfo_elements = self.config.texinfo_elements
settings.texinfo_dir_entry = direntry or ''
settings.texinfo_dir_category = category or ''
settings.texinfo_dir_description = description or ''
settings.docname = docname
doctree.settings = settings
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('<texinfo 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)
self.info()
self.info("resolving references...")
self.env.resolve_references(largetree, indexfile, self)
# TODO: add support for external :ref:s
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 iteritems(self.images):
self.info(' ' + src, nonl=1)
copyfile(path.join(self.srcdir, src),
path.join(self.outdir, dest))
self.info()
self.info(bold('copying Texinfo support files... '), nonl=True)
# copy Makefile
fn = path.join(self.outdir, 'Makefile')
self.info(fn, nonl=1)
try:
with open(fn, 'w') as mkfile:
mkfile.write(TEXINFO_MAKEFILE)
except (IOError, OSError) as err:
self.warn("error writing file %s: %s" % (fn, err))
self.info(' done')
def setup(app):
app.add_builder(TexinfoBuilder)
app.add_config_value('texinfo_documents',
lambda self: [(self.master_doc, make_filename(self.project).lower(),
self.project, '', make_filename(self.project),
'The %s reference manual.' %
make_filename(self.project),
'Python')],
None)
app.add_config_value('texinfo_appendices', [], None)
app.add_config_value('texinfo_elements', {}, None)
app.add_config_value('texinfo_domain_indices', True, None, [list])
app.add_config_value('texinfo_show_urls', 'footnote', None)
app.add_config_value('texinfo_no_detailmenu', False, None)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}