"""
sphinx.builders.html
~~~~~~~~~~~~~~~~~~~~
Several HTML builders.
:copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import html
import posixpath
import re
import sys
import warnings
from hashlib import md5
from os import path
from docutils import nodes
from docutils.core import publish_parts
from docutils.frontend import OptionParser
from docutils.io import DocTreeInput, StringOutput
from docutils.utils import relative_path
from sphinx import package_dir, __display_version__
from sphinx.builders import Builder
from sphinx.deprecation import (
RemovedInSphinx30Warning, RemovedInSphinx40Warning, deprecated_alias
)
from sphinx.environment.adapters.asset import ImageAdapter
from sphinx.environment.adapters.indexentries import IndexEntries
from sphinx.environment.adapters.toctree import TocTree
from sphinx.errors import ConfigError, ThemeError
from sphinx.highlighting import PygmentsBridge
from sphinx.locale import _, __
from sphinx.search import js_index
from sphinx.theming import HTMLThemeFactory
from sphinx.util import logging, status_iterator
from sphinx.util.console import bold # type: ignore
from sphinx.util.docutils import is_html5_writer_available, new_document
from sphinx.util.fileutil import copy_asset
from sphinx.util.i18n import format_date
from sphinx.util.inventory import InventoryFile
from sphinx.util.matching import patmatch, Matcher, DOTFILES
from sphinx.util.osutil import os_path, relative_uri, ensuredir, movefile, copyfile
from sphinx.writers.html import HTMLWriter, HTMLTranslator
if False:
# For type annotation
from typing import Any, Dict, IO, Iterable, Iterator, List, Set, Type, Tuple # NOQA
from sphinx.application import Sphinx # NOQA
from sphinx.config import Config # NOQA
from sphinx.domains import Domain, Index, IndexEntry # NOQA
from sphinx.util.tags import Tags # NOQA
# HTML5 Writer is avialable or not
if is_html5_writer_available():
from sphinx.writers.html5 import HTML5Translator
html5_ready = True
else:
html5_ready = False
#: the filename for the inventory of objects
INVENTORY_FILENAME = 'objects.inv'
logger = logging.getLogger(__name__)
return_codes_re = re.compile('[\r\n]+')
def get_stable_hash(obj):
# type: (Any) -> str
"""
Return a stable hash for a Python data structure. We can't just use
the md5 of str(obj) since for example dictionary items are enumerated
in unpredictable order due to hash randomization in newer Pythons.
"""
if isinstance(obj, dict):
return get_stable_hash(list(obj.items()))
elif isinstance(obj, (list, tuple)):
obj = sorted(get_stable_hash(o) for o in obj)
return md5(str(obj).encode()).hexdigest()
class Stylesheet(str):
"""A metadata of stylesheet.
To keep compatibility with old themes, an instance of stylesheet behaves as
its filename (str).
"""
attributes = None # type: Dict[str, str]
filename = None # type: str
def __new__(cls, filename, *args, **attributes):
# type: (str, str, str) -> None
self = str.__new__(cls, filename) # type: ignore
self.filename = filename
self.attributes = attributes
self.attributes.setdefault('rel', 'stylesheet')
self.attributes.setdefault('type', 'text/css')
if args: # old style arguments (rel, title)
self.attributes['rel'] = args[0]
self.attributes['title'] = args[1]
return self
class JSContainer(list):
"""The container for JavaScript scripts."""
def insert(self, index, obj):
# type: (int, str) -> None
warnings.warn('To modify script_files in the theme is deprecated. '
'Please insert a <script> tag directly in your theme instead.',
RemovedInSphinx30Warning, stacklevel=3)
super().insert(index, obj)
def extend(self, other): # type: ignore
# type: (List[str]) -> None
warnings.warn('To modify script_files in the theme is deprecated. '
'Please insert a <script> tag directly in your theme instead.',
RemovedInSphinx30Warning, stacklevel=3)
for item in other:
self.append(item)
def __iadd__(self, other): # type: ignore
# type: (List[str]) -> JSContainer
warnings.warn('To modify script_files in the theme is deprecated. '
'Please insert a <script> tag directly in your theme instead.',
RemovedInSphinx30Warning, stacklevel=3)
for item in other:
self.append(item)
return self
def __add__(self, other):
# type: (List[str]) -> JSContainer
ret = JSContainer(self)
ret += other
return ret
class JavaScript(str):
"""A metadata of javascript file.
To keep compatibility with old themes, an instance of javascript behaves as
its filename (str).
"""
attributes = None # type: Dict[str, str]
filename = None # type: str
def __new__(cls, filename, **attributes):
# type: (str, **str) -> None
self = str.__new__(cls, filename) # type: ignore
self.filename = filename
self.attributes = attributes
self.attributes.setdefault('type', 'text/javascript')
return self
class BuildInfo:
"""buildinfo file manipulator.
HTMLBuilder and its family are storing their own envdata to ``.buildinfo``.
This class is a manipulator for the file.
"""
@classmethod
def load(cls, f):
# type: (IO) -> BuildInfo
try:
lines = f.readlines()
assert lines[0].rstrip() == '# Sphinx build info version 1'
assert lines[2].startswith('config: ')
assert lines[3].startswith('tags: ')
build_info = BuildInfo()
build_info.config_hash = lines[2].split()[1].strip()
build_info.tags_hash = lines[3].split()[1].strip()
return build_info
except Exception as exc:
raise ValueError(__('build info file is broken: %r') % exc)
def __init__(self, config=None, tags=None, config_categories=[]):
# type: (Config, Tags, List[str]) -> None
self.config_hash = ''
self.tags_hash = ''
if config:
values = {c.name: c.value for c in config.filter(config_categories)}
self.config_hash = get_stable_hash(values)
if tags:
self.tags_hash = get_stable_hash(sorted(tags))
def __eq__(self, other): # type: ignore
# type: (BuildInfo) -> bool
return (self.config_hash == other.config_hash and
self.tags_hash == other.tags_hash)
def dump(self, f):
# type: (IO) -> None
f.write('# Sphinx build info version 1\n'
'# This file hashes the configuration used when building these files.'
' When it is not found, a full rebuild will be done.\n'
'config: %s\n'
'tags: %s\n' %
(self.config_hash, self.tags_hash))
[文档]class StandaloneHTMLBuilder(Builder):
"""
Builds standalone HTML docs.
"""
name = 'html'
format = 'html'
epilog = __('The HTML pages are in %(outdir)s.')
copysource = True
allow_parallel = True
out_suffix = '.html'
link_suffix = '.html' # defaults to matching out_suffix
indexer_format = js_index # type: Any
indexer_dumps_unicode = True
# create links to original images from images [True/False]
html_scaled_image_link = True
supported_image_types = ['image/svg+xml', 'image/png',
'image/gif', 'image/jpeg']
supported_remote_images = True
supported_data_uri_images = True
searchindex_filename = 'searchindex.js'
add_permalinks = True
allow_sharp_as_current_path = True
embedded = False # for things like HTML help or Qt help: suppresses sidebar
search = True # for things like HTML help and Apple help: suppress search
use_index = False
download_support = True # enable download role
imgpath = None # type: str
domain_indices = [] # type: List[Tuple[str, Type[Index], List[Tuple[str, List[IndexEntry]]], bool]] # NOQA
def __init__(self, app):
# type: (Sphinx) -> None
super().__init__(app)
# CSS files
self.css_files = [] # type: List[Dict[str, str]]
# JS files
self.script_files = JSContainer() # type: List[JavaScript]
def init(self):
# type: () -> None
self.build_info = self.create_build_info()
# basename of images directory
self.imagedir = '_images'
# section numbers for headings in the currently visited document
self.secnumbers = {} # type: Dict[str, Tuple[int, ...]]
# currently written docname
self.current_docname = None # type: str
self.init_templates()
self.init_highlighter()
self.init_css_files()
self.init_js_files()
html_file_suffix = self.get_builder_config('file_suffix', 'html')
if html_file_suffix is not None:
self.out_suffix = html_file_suffix
html_link_suffix = self.get_builder_config('link_suffix', 'html')
if html_link_suffix is not None:
self.link_suffix = html_link_suffix
else:
self.link_suffix = self.out_suffix
self.use_index = self.get_builder_config('use_index', 'html')
def create_build_info(self):
# type: () -> BuildInfo
return BuildInfo(self.config, self.tags, ['html'])
def _get_translations_js(self):
# type: () -> str
candidates = [path.join(dir, self.config.language,
'LC_MESSAGES', 'sphinx.js')
for dir in self.config.locale_dirs] + \
[path.join(package_dir, 'locale', self.config.language,
'LC_MESSAGES', 'sphinx.js'),
path.join(sys.prefix, 'share/sphinx/locale',
self.config.language, 'sphinx.js')]
for jsfile in candidates:
if path.isfile(jsfile):
return jsfile
return None
def get_theme_config(self):
# type: () -> Tuple[str, Dict]
return self.config.html_theme, self.config.html_theme_options
def init_templates(self):
# type: () -> None
theme_factory = HTMLThemeFactory(self.app)
themename, themeoptions = self.get_theme_config()
self.theme = theme_factory.create(themename)
self.theme_options = themeoptions.copy()
self.create_template_bridge()
self.templates.init(self, self.theme)
def init_highlighter(self):
# type: () -> None
# determine Pygments style and create the highlighter
if self.config.pygments_style is not None:
style = self.config.pygments_style
elif self.theme:
style = self.theme.get_config('theme', 'pygments_style', 'none')
else:
style = 'sphinx'
self.highlighter = PygmentsBridge('html', style)
def init_css_files(self):
# type: () -> None
for filename, attrs in self.app.registry.css_files:
self.add_css_file(filename, **attrs)
for filename, attrs in self.get_builder_config('css_files', 'html'):
self.add_css_file(filename, **attrs)
def add_css_file(self, filename, **kwargs):
# type: (str, **str) -> None
if '://' not in filename:
filename = posixpath.join('_static', filename)
self.css_files.append(Stylesheet(filename, **kwargs)) # type: ignore
def init_js_files(self):
# type: () -> None
self.add_js_file('jquery.js')
self.add_js_file('underscore.js')
self.add_js_file('doctools.js')
self.add_js_file('language_data.js')
for filename, attrs in self.app.registry.js_files:
self.add_js_file(filename, **attrs)
for filename, attrs in self.get_builder_config('js_files', 'html'):
self.add_js_file(filename, **attrs)
if self.config.language and self._get_translations_js():
self.add_js_file('translations.js')
def add_js_file(self, filename, **kwargs):
# type: (str, **str) -> None
if filename and '://' not in filename:
filename = posixpath.join('_static', filename)
self.script_files.append(JavaScript(filename, **kwargs))
@property
def default_translator_class(self): # type: ignore
# type: () -> Type[nodes.NodeVisitor]
if not html5_ready or self.config.html4_writer:
return HTMLTranslator
else:
return HTML5Translator
@property
def math_renderer_name(self):
# type: () -> str
name = self.get_builder_config('math_renderer', 'html')
if name is not None:
# use given name
return name
else:
# not given: choose a math_renderer from registered ones as possible
renderers = list(self.app.registry.html_inline_math_renderers)
if len(renderers) == 1:
# only default math_renderer (mathjax) is registered
return renderers[0]
elif len(renderers) == 2:
# default and another math_renderer are registered; prior the another
renderers.remove('mathjax')
return renderers[0]
else:
# many math_renderers are registered. can't choose automatically!
return None
def get_outdated_docs(self):
# type: () -> Iterator[str]
try:
with open(path.join(self.outdir, '.buildinfo')) as fp:
buildinfo = BuildInfo.load(fp)
if self.build_info != buildinfo:
yield from self.env.found_docs
return
except ValueError as exc:
logger.warning(__('Failed to read build info file: %r'), exc)
except OSError:
# ignore errors on reading
pass
if self.templates:
template_mtime = self.templates.newest_template_mtime()
else:
template_mtime = 0
for docname in self.env.found_docs:
if docname not in self.env.all_docs:
yield docname
continue
targetname = self.get_outfilename(docname)
try:
targetmtime = path.getmtime(targetname)
except Exception:
targetmtime = 0
try:
srcmtime = max(path.getmtime(self.env.doc2path(docname)),
template_mtime)
if srcmtime > targetmtime:
yield docname
except OSError:
# source doesn't exist anymore
pass
def get_asset_paths(self):
# type: () -> List[str]
return self.config.html_extra_path + self.config.html_static_path
def render_partial(self, node):
# type: (nodes.Node) -> Dict[str, str]
"""Utility: Render a lone doctree node."""
if node is None:
return {'fragment': ''}
doc = new_document('<partial node>')
doc.append(node)
writer = HTMLWriter(self)
return publish_parts(reader_name='doctree',
writer=writer,
source_class=DocTreeInput,
settings_overrides={'output_encoding': 'unicode'},
source=doc)
def prepare_writing(self, docnames):
# type: (Set[str]) -> None
# create the search indexer
self.indexer = None
if self.search:
from sphinx.search import IndexBuilder
lang = self.config.html_search_language or self.config.language
if not lang:
lang = 'en'
self.indexer = IndexBuilder(self.env, lang,
self.config.html_search_options,
self.config.html_search_scorer)
self.load_indexer(docnames)
self.docwriter = HTMLWriter(self)
self.docsettings = OptionParser(
defaults=self.env.settings,
components=(self.docwriter,),
read_config_files=True).get_default_values() # type: Any
self.docsettings.compact_lists = bool(self.config.html_compact_lists)
# determine the additional indices to include
self.domain_indices = []
# html_domain_indices can be False/True or a list of index names
indices_config = self.config.html_domain_indices
if indices_config:
for domain_name in sorted(self.env.domains):
domain = None # type: Domain
domain = self.env.domains[domain_name]
for indexcls in domain.indices:
indexname = '%s-%s' % (domain.name, indexcls.name)
if isinstance(indices_config, list):
if indexname not in indices_config:
continue
content, collapse = indexcls(domain).generate()
if content:
self.domain_indices.append(
(indexname, indexcls, content, collapse))
# format the "last updated on" string, only once is enough since it
# typically doesn't include the time of day
lufmt = self.config.html_last_updated_fmt
if lufmt is not None:
self.last_updated = format_date(lufmt or _('%b %d, %Y'),
language=self.config.language)
else:
self.last_updated = None
logo = self.config.html_logo and \
path.basename(self.config.html_logo) or ''
favicon = self.config.html_favicon and \
path.basename(self.config.html_favicon) or ''
if not isinstance(self.config.html_use_opensearch, str):
logger.warning(__('html_use_opensearch config value must now be a string'))
self.relations = self.env.collect_relations()
rellinks = [] # type: List[Tuple[str, str, str, str]]
if self.use_index:
rellinks.append(('genindex', _('General Index'), 'I', _('index')))
for indexname, indexcls, content, collapse in self.domain_indices:
# if it has a short name
if indexcls.shortname:
rellinks.append((indexname, indexcls.localname,
'', indexcls.shortname))
if self.config.html_style is not None:
stylename = self.config.html_style
elif self.theme:
stylename = self.theme.get_config('theme', 'stylesheet')
else:
stylename = 'default.css'
self.globalcontext = {
'embedded': self.embedded,
'project': self.config.project,
'release': return_codes_re.sub('', self.config.release),
'version': self.config.version,
'last_updated': self.last_updated,
'copyright': self.config.copyright,
'master_doc': self.config.master_doc,
'use_opensearch': self.config.html_use_opensearch,
'docstitle': self.config.html_title,
'shorttitle': self.config.html_short_title,
'show_copyright': self.config.html_show_copyright,
'show_sphinx': self.config.html_show_sphinx,
'has_source': self.config.html_copy_source,
'show_source': self.config.html_show_sourcelink,
'sourcelink_suffix': self.config.html_sourcelink_suffix,
'file_suffix': self.out_suffix,
'script_files': self.script_files,
'language': self.config.language,
'css_files': self.css_files,
'sphinx_version': __display_version__,
'style': stylename,
'rellinks': rellinks,
'builder': self.name,
'parents': [],
'logo': logo,
'favicon': favicon,
'html5_doctype': html5_ready and not self.config.html4_writer
}
if self.theme:
self.globalcontext.update(
('theme_' + key, val) for (key, val) in
self.theme.get_options(self.theme_options).items())
self.globalcontext.update(self.config.html_context)
def get_doc_context(self, docname, body, metatags):
# type: (str, str, str) -> Dict[str, Any]
"""Collect items for the template context of a page."""
# find out relations
prev = next = None
parents = []
rellinks = self.globalcontext['rellinks'][:]
related = self.relations.get(docname)
titles = self.env.titles
if related and related[2]:
try:
next = {
'link': self.get_relative_uri(docname, related[2]),
'title': self.render_partial(titles[related[2]])['title']
}
rellinks.append((related[2], next['title'], 'N', _('next')))
except KeyError:
next = None
if related and related[1]:
try:
prev = {
'link': self.get_relative_uri(docname, related[1]),
'title': self.render_partial(titles[related[1]])['title']
}
rellinks.append((related[1], prev['title'], 'P', _('previous')))
except KeyError:
# the relation is (somehow) not in the TOC tree, handle
# that gracefully
prev = None
while related and related[0]:
try:
parents.append(
{'link': self.get_relative_uri(docname, related[0]),
'title': self.render_partial(titles[related[0]])['title']})
except KeyError:
pass
related = self.relations.get(related[0])
if parents:
# remove link to the master file; we have a generic
# "back to index" link already
parents.pop()
parents.reverse()
# title rendered as HTML
title_node = self.env.longtitles.get(docname)
title = title_node and self.render_partial(title_node)['title'] or ''
# Suffix for the document
source_suffix = path.splitext(self.env.doc2path(docname))[1]
# the name for the copied source
if self.config.html_copy_source:
sourcename = docname + source_suffix
if source_suffix != self.config.html_sourcelink_suffix:
sourcename += self.config.html_sourcelink_suffix
else:
sourcename = ''
# metadata for the document
meta = self.env.metadata.get(docname)
# local TOC and global TOC tree
self_toc = TocTree(self.env).get_toc_for(docname, self)
toc = self.render_partial(self_toc)['fragment']
return {
'parents': parents,
'prev': prev,
'next': next,
'title': title,
'meta': meta,
'body': body,
'metatags': metatags,
'rellinks': rellinks,
'sourcename': sourcename,
'toc': toc,
# only display a TOC if there's more than one item to show
'display_toc': (self.env.toc_num_entries[docname] > 1),
'page_source_suffix': source_suffix,
}
def write_doc(self, docname, doctree):
# type: (str, nodes.document) -> None
destination = StringOutput(encoding='utf-8')
doctree.settings = self.docsettings
self.secnumbers = self.env.toc_secnumbers.get(docname, {})
self.fignumbers = self.env.toc_fignumbers.get(docname, {})
self.imgpath = relative_uri(self.get_target_uri(docname), '_images')
self.dlpath = relative_uri(self.get_target_uri(docname), '_downloads')
self.current_docname = docname
self.docwriter.write(doctree, destination)
self.docwriter.assemble_parts()
body = self.docwriter.parts['fragment']
metatags = self.docwriter.clean_meta
ctx = self.get_doc_context(docname, body, metatags)
self.handle_page(docname, ctx, event_arg=doctree)
def write_doc_serialized(self, docname, doctree):
# type: (str, nodes.document) -> None
self.imgpath = relative_uri(self.get_target_uri(docname), self.imagedir)
self.post_process_images(doctree)
title_node = self.env.longtitles.get(docname)
title = title_node and self.render_partial(title_node)['title'] or ''
self.index_page(docname, doctree, title)
def finish(self):
# type: () -> None
self.finish_tasks.add_task(self.gen_indices)
self.finish_tasks.add_task(self.gen_additional_pages)
self.finish_tasks.add_task(self.copy_image_files)
self.finish_tasks.add_task(self.copy_download_files)
self.finish_tasks.add_task(self.copy_static_files)
self.finish_tasks.add_task(self.copy_extra_files)
self.finish_tasks.add_task(self.write_buildinfo)
# dump the search index
self.handle_finish()
def gen_indices(self):
# type: () -> None
logger.info(bold(__('generating indices...')), nonl=True)
# the global general index
if self.use_index:
self.write_genindex()
# the global domain-specific indices
self.write_domain_indices()
logger.info('')
def gen_additional_pages(self):
# type: () -> None
# pages from extensions
for pagelist in self.app.emit('html-collect-pages'):
for pagename, context, template in pagelist:
self.handle_page(pagename, context, template)
logger.info(bold(__('writing additional pages...')), nonl=True)
# additional pages from conf.py
for pagename, template in self.config.html_additional_pages.items():
logger.info(' ' + pagename, nonl=True)
self.handle_page(pagename, {}, template)
# the search page
if self.search:
logger.info(' search', nonl=True)
self.handle_page('search', {}, 'search.html')
# the opensearch xml file
if self.config.html_use_opensearch and self.search:
logger.info(' opensearch', nonl=True)
fn = path.join(self.outdir, '_static', 'opensearch.xml')
self.handle_page('opensearch', {}, 'opensearch.xml', outfilename=fn)
logger.info('')
def write_genindex(self):
# type: () -> None
# the total count of lines for each index letter, used to distribute
# the entries into two columns
genindex = IndexEntries(self.env).create_index(self)
indexcounts = []
for _k, entries in genindex:
indexcounts.append(sum(1 + len(subitems)
for _, (_, subitems, _) in entries))
genindexcontext = {
'genindexentries': genindex,
'genindexcounts': indexcounts,
'split_index': self.config.html_split_index,
}
logger.info(' genindex', nonl=True)
if self.config.html_split_index:
self.handle_page('genindex', genindexcontext,
'genindex-split.html')
self.handle_page('genindex-all', genindexcontext,
'genindex.html')
for (key, entries), count in zip(genindex, indexcounts):
ctx = {'key': key, 'entries': entries, 'count': count,
'genindexentries': genindex}
self.handle_page('genindex-' + key, ctx,
'genindex-single.html')
else:
self.handle_page('genindex', genindexcontext, 'genindex.html')
def write_domain_indices(self):
# type: () -> None
for indexname, indexcls, content, collapse in self.domain_indices:
indexcontext = {
'indextitle': indexcls.localname,
'content': content,
'collapse_index': collapse,
}
logger.info(' ' + indexname, nonl=True)
self.handle_page(indexname, indexcontext, 'domainindex.html')
def copy_image_files(self):
# type: () -> None
if self.images:
stringify_func = ImageAdapter(self.app.env).get_original_image_uri
ensuredir(path.join(self.outdir, self.imagedir))
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:
copyfile(path.join(self.srcdir, src),
path.join(self.outdir, self.imagedir, dest))
except Exception as err:
logger.warning(__('cannot copy image file %r: %s'),
path.join(self.srcdir, src), err)
def copy_download_files(self):
# type: () -> None
def to_relpath(f):
# type: (str) -> str
return relative_path(self.srcdir, f)
# copy downloadable files
if self.env.dlfiles:
ensuredir(path.join(self.outdir, '_downloads'))
for src in status_iterator(self.env.dlfiles, __('copying downloadable files... '),
"brown", len(self.env.dlfiles), self.app.verbosity,
stringify_func=to_relpath):
try:
dest = path.join(self.outdir, '_downloads', self.env.dlfiles[src][1])
ensuredir(path.dirname(dest))
copyfile(path.join(self.srcdir, src), dest)
except OSError as err:
logger.warning(__('cannot copy downloadable file %r: %s'),
path.join(self.srcdir, src), err)
def copy_static_files(self):
# type: () -> None
try:
# copy static files
logger.info(bold(__('copying static files... ')), nonl=True)
ensuredir(path.join(self.outdir, '_static'))
# first, create pygments style file
with open(path.join(self.outdir, '_static', 'pygments.css'), 'w') as f:
f.write(self.highlighter.get_stylesheet())
# then, copy translations JavaScript file
if self.config.language is not None:
jsfile = self._get_translations_js()
if jsfile:
copyfile(jsfile, path.join(self.outdir, '_static',
'translations.js'))
# copy non-minified stemmer JavaScript file
if self.indexer is not None:
jsfile = self.indexer.get_js_stemmer_rawcode()
if jsfile:
copyfile(jsfile, path.join(self.outdir, '_static', '_stemmer.js'))
ctx = self.globalcontext.copy()
# add context items for search function used in searchtools.js_t
if self.indexer is not None:
ctx.update(self.indexer.context_for_searchtool())
# then, copy over theme-supplied static files
if self.theme:
for theme_path in self.theme.get_theme_dirs()[::-1]:
entry = path.join(theme_path, 'static')
copy_asset(entry, path.join(self.outdir, '_static'), excluded=DOTFILES,
context=ctx, renderer=self.templates)
# then, copy over all user-supplied static files
excluded = Matcher(self.config.exclude_patterns + ["**/.*"])
for static_path in self.config.html_static_path:
entry = path.join(self.confdir, static_path)
if not path.exists(entry):
logger.warning(__('html_static_path entry %r does not exist'), entry)
continue
copy_asset(entry, path.join(self.outdir, '_static'), excluded,
context=ctx, renderer=self.templates)
# copy logo and favicon files if not already in static path
if self.config.html_logo:
logobase = path.basename(self.config.html_logo)
logotarget = path.join(self.outdir, '_static', logobase)
if not path.isfile(path.join(self.confdir, self.config.html_logo)):
logger.warning(__('logo file %r does not exist'), self.config.html_logo)
elif not path.isfile(logotarget):
copyfile(path.join(self.confdir, self.config.html_logo),
logotarget)
if self.config.html_favicon:
iconbase = path.basename(self.config.html_favicon)
icontarget = path.join(self.outdir, '_static', iconbase)
if not path.isfile(path.join(self.confdir, self.config.html_favicon)):
logger.warning(__('favicon file %r does not exist'),
self.config.html_favicon)
elif not path.isfile(icontarget):
copyfile(path.join(self.confdir, self.config.html_favicon),
icontarget)
logger.info(__('done'))
except OSError as err:
logger.warning(__('cannot copy static file %r'), err)
def copy_extra_files(self):
# type: () -> None
try:
# copy html_extra_path files
logger.info(bold(__('copying extra files... ')), nonl=True)
excluded = Matcher(self.config.exclude_patterns)
for extra_path in self.config.html_extra_path:
entry = path.join(self.confdir, extra_path)
if not path.exists(entry):
logger.warning(__('html_extra_path entry %r does not exist'), entry)
continue
copy_asset(entry, self.outdir, excluded)
logger.info(__('done'))
except OSError as err:
logger.warning(__('cannot copy extra file %r'), err)
def write_buildinfo(self):
# type: () -> None
try:
with open(path.join(self.outdir, '.buildinfo'), 'w') as fp:
self.build_info.dump(fp)
except OSError as exc:
logger.warning(__('Failed to write build info file: %r'), exc)
def cleanup(self):
# type: () -> None
# clean up theme stuff
if self.theme:
self.theme.cleanup()
def post_process_images(self, doctree):
# type: (nodes.Node) -> None
"""Pick the best candidate for an image and link down-scaled images to
their high res version.
"""
Builder.post_process_images(self, doctree)
if self.config.html_scaled_image_link and self.html_scaled_image_link:
for node in doctree.traverse(nodes.image):
scale_keys = ('scale', 'width', 'height')
if not any((key in node) for key in scale_keys) or \
isinstance(node.parent, nodes.reference):
# docutils does unfortunately not preserve the
# ``target`` attribute on images, so we need to check
# the parent node here.
continue
uri = node['uri']
reference = nodes.reference('', '', internal=True)
if uri in self.images:
reference['refuri'] = posixpath.join(self.imgpath,
self.images[uri])
else:
reference['refuri'] = uri
node.replace_self(reference)
reference.append(node)
def load_indexer(self, docnames):
# type: (Iterable[str]) -> None
keep = set(self.env.all_docs) - set(docnames)
try:
searchindexfn = path.join(self.outdir, self.searchindex_filename)
if self.indexer_dumps_unicode:
with open(searchindexfn, encoding='utf-8') as ft:
self.indexer.load(ft, self.indexer_format)
else:
with open(searchindexfn, 'rb') as fb:
self.indexer.load(fb, self.indexer_format)
except (OSError, ValueError):
if keep:
logger.warning(__('search index couldn\'t be loaded, but not all '
'documents will be built: the index will be '
'incomplete.'))
# delete all entries for files that will be rebuilt
self.indexer.prune(keep)
def index_page(self, pagename, doctree, title):
# type: (str, nodes.document, str) -> None
# only index pages with title
if self.indexer is not None and title:
filename = self.env.doc2path(pagename, base=None)
try:
self.indexer.feed(pagename, filename, title, doctree)
except TypeError:
# fallback for old search-adapters
self.indexer.feed(pagename, title, doctree) # type: ignore
indexer_name = self.indexer.__class__.__name__
warnings.warn(
'The %s.feed() method signature is deprecated. Update to '
'%s.feed(docname, filename, title, doctree).' % (
indexer_name, indexer_name),
RemovedInSphinx40Warning)
def _get_local_toctree(self, docname, collapse=True, **kwds):
# type: (str, bool, Any) -> str
if 'includehidden' not in kwds:
kwds['includehidden'] = False
return self.render_partial(TocTree(self.env).get_toctree_for(
docname, self, collapse, **kwds))['fragment']
def get_outfilename(self, pagename):
# type: (str) -> str
return path.join(self.outdir, os_path(pagename) + self.out_suffix)
def add_sidebars(self, pagename, ctx):
# type: (str, Dict) -> None
def has_wildcard(pattern):
# type: (str) -> bool
return any(char in pattern for char in '*?[')
sidebars = None
matched = None
customsidebar = None
# default sidebars settings for selected theme
if self.theme.name == 'alabaster':
# provide default settings for alabaster (for compatibility)
# Note: this will be removed before Sphinx-2.0
try:
# get default sidebars settings from alabaster (if defined)
theme_default_sidebars = self.theme.config.get('theme', 'sidebars')
if theme_default_sidebars:
sidebars = [name.strip() for name in theme_default_sidebars.split(',')]
except Exception:
# fallback to better default settings
sidebars = ['about.html', 'navigation.html', 'relations.html',
'searchbox.html', 'donate.html']
else:
theme_default_sidebars = self.theme.get_config('theme', 'sidebars', None)
if theme_default_sidebars:
sidebars = [name.strip() for name in theme_default_sidebars.split(',')]
# user sidebar settings
html_sidebars = self.get_builder_config('sidebars', 'html')
for pattern, patsidebars in html_sidebars.items():
if patmatch(pagename, pattern):
if matched:
if has_wildcard(pattern):
# warn if both patterns contain wildcards
if has_wildcard(matched):
logger.warning(__('page %s matches two patterns in '
'html_sidebars: %r and %r'),
pagename, matched, pattern)
# else the already matched pattern is more specific
# than the present one, because it contains no wildcard
continue
matched = pattern
sidebars = patsidebars
if sidebars is None:
# keep defaults
pass
ctx['sidebars'] = sidebars
ctx['customsidebar'] = customsidebar
# --------- these are overwritten by the serialization builder
def get_target_uri(self, docname, typ=None):
# type: (str, str) -> str
return docname + self.link_suffix
def handle_page(self, pagename, addctx, templatename='page.html',
outfilename=None, event_arg=None):
# type: (str, Dict, str, str, Any) -> None
ctx = self.globalcontext.copy()
# current_page_name is backwards compatibility
ctx['pagename'] = ctx['current_page_name'] = pagename
ctx['encoding'] = self.config.html_output_encoding
default_baseuri = self.get_target_uri(pagename)
# in the singlehtml builder, default_baseuri still contains an #anchor
# part, which relative_uri doesn't really like...
default_baseuri = default_baseuri.rsplit('#', 1)[0]
if self.config.html_baseurl:
ctx['pageurl'] = posixpath.join(self.config.html_baseurl,
pagename + self.out_suffix)
else:
ctx['pageurl'] = None
def pathto(otheruri, resource=False, baseuri=default_baseuri):
# type: (str, bool, str) -> str
if resource and '://' in otheruri:
# allow non-local resources given by scheme
return otheruri
elif not resource:
otheruri = self.get_target_uri(otheruri)
uri = relative_uri(baseuri, otheruri) or '#'
if uri == '#' and not self.allow_sharp_as_current_path:
uri = baseuri
return uri
ctx['pathto'] = pathto
def css_tag(css):
# type: (Stylesheet) -> str
attrs = []
for key in sorted(css.attributes):
value = css.attributes[key]
if value is not None:
attrs.append('%s="%s"' % (key, html.escape(value, True)))
attrs.append('href="%s"' % pathto(css.filename, resource=True))
return '<link %s />' % ' '.join(attrs)
ctx['css_tag'] = css_tag
def hasdoc(name):
# type: (str) -> bool
if name in self.env.all_docs:
return True
elif name == 'search' and self.search:
return True
elif name == 'genindex' and self.get_builder_config('use_index', 'html'):
return True
return False
ctx['hasdoc'] = hasdoc
def warn(*args, **kwargs):
# type: (Any, Any) -> str
"""Simple warn() wrapper for themes."""
warnings.warn('The template function warn() was deprecated. '
'Use warning() instead.',
RemovedInSphinx30Warning, stacklevel=2)
logger.warning(*args, **kwargs)
return '' # return empty string
ctx['warn'] = warn
ctx['toctree'] = lambda **kw: self._get_local_toctree(pagename, **kw)
self.add_sidebars(pagename, ctx)
ctx.update(addctx)
self.update_page_context(pagename, templatename, ctx, event_arg)
newtmpl = self.app.emit_firstresult('html-page-context', pagename,
templatename, ctx, event_arg)
if newtmpl:
templatename = newtmpl
try:
output = self.templates.render(templatename, ctx)
except UnicodeError:
logger.warning(__("a Unicode error occurred when rendering the page %s. "
"Please make sure all config values that contain "
"non-ASCII content are Unicode strings."), pagename)
return
except Exception as exc:
raise ThemeError(__("An error happened in rendering the page %s.\nReason: %r") %
(pagename, exc))
if not outfilename:
outfilename = self.get_outfilename(pagename)
# outfilename's path is in general different from self.outdir
ensuredir(path.dirname(outfilename))
try:
with open(outfilename, 'w', encoding=ctx['encoding'],
errors='xmlcharrefreplace') as f:
f.write(output)
except OSError as err:
logger.warning(__("error writing file %s: %s"), outfilename, err)
if self.copysource and ctx.get('sourcename'):
# copy the source file for the "show source" link
source_name = path.join(self.outdir, '_sources',
os_path(ctx['sourcename']))
ensuredir(path.dirname(source_name))
copyfile(self.env.doc2path(pagename), source_name)
def update_page_context(self, pagename, templatename, ctx, event_arg):
# type: (str, str, Dict, Any) -> None
pass
def handle_finish(self):
# type: () -> None
if self.indexer:
self.finish_tasks.add_task(self.dump_search_index)
self.finish_tasks.add_task(self.dump_inventory)
def dump_inventory(self):
# type: () -> None
logger.info(bold(__('dumping object inventory... ')), nonl=True)
InventoryFile.dump(path.join(self.outdir, INVENTORY_FILENAME), self.env, self)
logger.info(__('done'))
def dump_search_index(self):
# type: () -> None
logger.info(
bold(__('dumping search index in %s ... ') % self.indexer.label()),
nonl=True)
self.indexer.prune(self.env.all_docs)
searchindexfn = path.join(self.outdir, self.searchindex_filename)
# first write to a temporary file, so that if dumping fails,
# the existing index won't be overwritten
if self.indexer_dumps_unicode:
with open(searchindexfn + '.tmp', 'w', encoding='utf-8') as ft:
self.indexer.dump(ft, self.indexer_format)
else:
with open(searchindexfn + '.tmp', 'wb') as fb:
self.indexer.dump(fb, self.indexer_format)
movefile(searchindexfn + '.tmp', searchindexfn)
logger.info(__('done'))
def convert_html_css_files(app, config):
# type: (Sphinx, Config) -> None
"""This converts string styled html_css_files to tuple styled one."""
html_css_files = [] # type: List[Tuple[str, Dict]]
for entry in config.html_css_files:
if isinstance(entry, str):
html_css_files.append((entry, {}))
else:
try:
filename, attrs = entry
html_css_files.append((filename, attrs))
except Exception:
logger.warning(__('invalid css_file: %r, ignored'), entry)
continue
config.html_css_files = html_css_files # type: ignore
def convert_html_js_files(app, config):
# type: (Sphinx, Config) -> None
"""This converts string styled html_js_files to tuple styled one."""
html_js_files = [] # type: List[Tuple[str, Dict]]
for entry in config.html_js_files:
if isinstance(entry, str):
html_js_files.append((entry, {}))
else:
try:
filename, attrs = entry
html_js_files.append((filename, attrs))
except Exception:
logger.warning(__('invalid js_file: %r, ignored'), entry)
continue
config.html_js_files = html_js_files # type: ignore
def setup_js_tag_helper(app, pagename, templatexname, context, doctree):
# type: (Sphinx, str, str, Dict, nodes.Node) -> None
"""Set up js_tag() template helper.
.. note:: This set up function is added to keep compatibility with webhelper.
"""
pathto = context.get('pathto')
def js_tag(js):
# type: (JavaScript) -> str
attrs = []
body = ''
if isinstance(js, JavaScript):
for key in sorted(js.attributes):
value = js.attributes[key]
if value is not None:
if key == 'body':
body = value
else:
attrs.append('%s="%s"' % (key, html.escape(value, True)))
if js.filename:
attrs.append('src="%s"' % pathto(js.filename, resource=True))
else:
# str value (old styled)
attrs.append('type="text/javascript"')
attrs.append('src="%s"' % pathto(js, resource=True))
return '<script %s>%s</script>' % (' '.join(attrs), body)
context['js_tag'] = js_tag
def validate_math_renderer(app):
# type: (Sphinx) -> None
if app.builder.format != 'html':
return
name = app.builder.math_renderer_name # type: ignore
if name is None:
raise ConfigError(__('Many math_renderers are registered. '
'But no math_renderer is selected.'))
elif name not in app.registry.html_inline_math_renderers:
raise ConfigError(__('Unknown math_renderer %r is given.') % name)
# for compatibility
from sphinx.builders.dirhtml import DirectoryHTMLBuilder # NOQA
from sphinx.builders.singlehtml import SingleFileHTMLBuilder # NOQA
from sphinxcontrib.serializinghtml import ( # NOQA
LAST_BUILD_FILENAME, JSONHTMLBuilder, PickleHTMLBuilder, SerializingHTMLBuilder
)
deprecated_alias('sphinx.builders.html',
{
'LAST_BUILD_FILENAME': LAST_BUILD_FILENAME,
'DirectoryHTMLBuilder': DirectoryHTMLBuilder,
'JSONHTMLBuilder': JSONHTMLBuilder,
'PickleHTMLBuilder': PickleHTMLBuilder,
'SerializingHTMLBuilder': SerializingHTMLBuilder,
'SingleFileHTMLBuilder': SingleFileHTMLBuilder,
'WebHTMLBuilder': PickleHTMLBuilder,
},
RemovedInSphinx40Warning)
def setup(app):
# type: (Sphinx) -> Dict[str, Any]
# builders
app.add_builder(StandaloneHTMLBuilder)
# config values
app.add_config_value('html_theme', 'alabaster', 'html')
app.add_config_value('html_theme_path', [], 'html')
app.add_config_value('html_theme_options', {}, 'html')
app.add_config_value('html_title',
lambda self: _('%s %s documentation') % (self.project, self.release),
'html', [str])
app.add_config_value('html_short_title', lambda self: self.html_title, 'html')
app.add_config_value('html_style', None, 'html', [str])
app.add_config_value('html_logo', None, 'html', [str])
app.add_config_value('html_favicon', None, 'html', [str])
app.add_config_value('html_css_files', [], 'html')
app.add_config_value('html_js_files', [], 'html')
app.add_config_value('html_static_path', [], 'html')
app.add_config_value('html_extra_path', [], 'html')
app.add_config_value('html_last_updated_fmt', None, 'html', [str])
app.add_config_value('html_sidebars', {}, 'html')
app.add_config_value('html_additional_pages', {}, 'html')
app.add_config_value('html_domain_indices', True, 'html', [list])
app.add_config_value('html_add_permalinks', '¶', 'html')
app.add_config_value('html_use_index', True, 'html')
app.add_config_value('html_split_index', False, 'html')
app.add_config_value('html_copy_source', True, 'html')
app.add_config_value('html_show_sourcelink', True, 'html')
app.add_config_value('html_sourcelink_suffix', '.txt', 'html')
app.add_config_value('html_use_opensearch', '', 'html')
app.add_config_value('html_file_suffix', None, 'html', [str])
app.add_config_value('html_link_suffix', None, 'html', [str])
app.add_config_value('html_show_copyright', True, 'html')
app.add_config_value('html_show_sphinx', True, 'html')
app.add_config_value('html_context', {}, 'html')
app.add_config_value('html_output_encoding', 'utf-8', 'html')
app.add_config_value('html_compact_lists', True, 'html')
app.add_config_value('html_secnumber_suffix', '. ', 'html')
app.add_config_value('html_search_language', None, 'html', [str])
app.add_config_value('html_search_options', {}, 'html')
app.add_config_value('html_search_scorer', '', None)
app.add_config_value('html_scaled_image_link', True, 'html')
app.add_config_value('html_baseurl', '', 'html')
app.add_config_value('html_math_renderer', None, 'env')
app.add_config_value('html4_writer', False, 'html')
# event handlers
app.connect('config-inited', convert_html_css_files)
app.connect('config-inited', convert_html_js_files)
app.connect('builder-inited', validate_math_renderer)
app.connect('html-page-context', setup_js_tag_helper)
# load default math renderer
app.setup_extension('sphinx.ext.mathjax')
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
