This repository provides User Manual for setting up a Docker environment tailored for testing DGTD code.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 

747 lines
29 KiB

"""Build configuration file handling."""
from __future__ import annotations
import sys
import time
import traceback
import types
import warnings
from os import getenv, path
from typing import TYPE_CHECKING, Any, Literal, NamedTuple, Union
from sphinx.deprecation import RemovedInSphinx90Warning
from sphinx.errors import ConfigError, ExtensionError
from sphinx.locale import _, __
from sphinx.util import logging
from sphinx.util.osutil import fs_encoding
from sphinx.util.typing import ExtensionMetadata, NoneType
if sys.version_info >= (3, 11):
from contextlib import chdir
else:
from sphinx.util.osutil import _chdir as chdir
if TYPE_CHECKING:
import os
from collections.abc import Collection, Iterator, Sequence, Set
from sphinx.application import Sphinx
from sphinx.environment import BuildEnvironment
from sphinx.util.tags import Tags
from sphinx.util.typing import _ExtensionSetupFunc
logger = logging.getLogger(__name__)
_ConfigRebuild = Literal[
'', 'env', 'epub', 'gettext', 'html',
# sphinxcontrib-applehelp
'applehelp',
# sphinxcontrib-devhelp
'devhelp',
]
CONFIG_FILENAME = 'conf.py'
UNSERIALIZABLE_TYPES = (type, types.ModuleType, types.FunctionType)
class ConfigValue(NamedTuple):
name: str
value: Any
rebuild: _ConfigRebuild
def is_serializable(obj: object, *, _seen: frozenset[int] = frozenset()) -> bool:
"""Check if an object is serializable or not."""
if isinstance(obj, UNSERIALIZABLE_TYPES):
return False
# use id() to handle un-hashable objects
if id(obj) in _seen:
return True
if isinstance(obj, dict):
seen = _seen | {id(obj)}
return all(
is_serializable(key, _seen=seen) and is_serializable(value, _seen=seen)
for key, value in obj.items()
)
elif isinstance(obj, (list, tuple, set, frozenset)):
seen = _seen | {id(obj)}
return all(is_serializable(item, _seen=seen) for item in obj)
# if an issue occurs for a non-serializable type, pickle will complain
# since the object is likely coming from a third-party extension
# (we natively expect 'simple' types and not weird ones)
return True
class ENUM:
"""Represents the candidates which a config value should be one of.
Example:
app.add_config_value('latex_show_urls', 'no', None, ENUM('no', 'footnote', 'inline'))
"""
def __init__(self, *candidates: str | bool | None) -> None:
self.candidates = candidates
def match(self, value: str | list | tuple) -> bool:
if isinstance(value, (list, tuple)):
return all(item in self.candidates for item in value)
else:
return value in self.candidates
_OptValidTypes = Union[tuple[()], tuple[type, ...], frozenset[type], ENUM]
class _Opt:
__slots__ = 'default', 'rebuild', 'valid_types'
default: Any
rebuild: _ConfigRebuild
valid_types: _OptValidTypes
def __init__(
self,
default: Any,
rebuild: _ConfigRebuild,
valid_types: _OptValidTypes,
) -> None:
"""Configuration option type for Sphinx.
The type is intended to be immutable; changing the field values
is an unsupported action.
No validation is performed on the values, though consumers will
likely expect them to be of the types advertised.
The old tuple-based interface will be removed in Sphinx 9.
"""
super().__setattr__('default', default)
super().__setattr__('rebuild', rebuild)
super().__setattr__('valid_types', valid_types)
def __repr__(self) -> str:
return (
f'{self.__class__.__qualname__}('
f'default={self.default!r}, '
f'rebuild={self.rebuild!r}, '
f'valid_types={self.valid_types!r})'
)
def __eq__(self, other: object) -> bool:
if isinstance(other, _Opt):
self_tpl = (self.default, self.rebuild, self.valid_types)
other_tpl = (other.default, other.rebuild, other.valid_types)
return self_tpl == other_tpl
return NotImplemented
def __lt__(self, other: _Opt) -> bool:
if self.__class__ is other.__class__:
self_tpl = (self.default, self.rebuild, self.valid_types)
other_tpl = (other.default, other.rebuild, other.valid_types)
return self_tpl > other_tpl
return NotImplemented
def __hash__(self) -> int:
return hash((self.default, self.rebuild, self.valid_types))
def __setattr__(self, key: str, value: Any) -> None:
if key in {'default', 'rebuild', 'valid_types'}:
msg = f'{self.__class__.__name__!r} object does not support assignment to {key!r}'
raise TypeError(msg)
super().__setattr__(key, value)
def __delattr__(self, key: str) -> None:
if key in {'default', 'rebuild', 'valid_types'}:
msg = f'{self.__class__.__name__!r} object does not support deletion of {key!r}'
raise TypeError(msg)
super().__delattr__(key)
def __getstate__(self) -> tuple[Any, _ConfigRebuild, _OptValidTypes]:
return self.default, self.rebuild, self.valid_types
def __setstate__(self, state: tuple[Any, _ConfigRebuild, _OptValidTypes]) -> None:
default, rebuild, valid_types = state
super().__setattr__('default', default)
super().__setattr__('rebuild', rebuild)
super().__setattr__('valid_types', valid_types)
def __getitem__(self, item: int | slice) -> Any:
warnings.warn(
f'The {self.__class__.__name__!r} object tuple interface is deprecated, '
"use attribute access instead for 'default', 'rebuild', and 'valid_types'.",
RemovedInSphinx90Warning, stacklevel=2)
return (self.default, self.rebuild, self.valid_types)[item]
class Config:
r"""Configuration file abstraction.
The Config object makes the values of all config options available as
attributes.
It is exposed via the :py:class:`~sphinx.application.Sphinx`\ ``.config``
and :py:class:`sphinx.environment.BuildEnvironment`\ ``.config`` attributes.
For example, to get the value of :confval:`language`, use either
``app.config.language`` or ``env.config.language``.
"""
# The values are:
# 1. Default
# 2. What needs to be rebuilt if changed
# 3. Valid types
# If you add a value here, remember to include it in the docs!
config_values: dict[str, _Opt] = {
# general options
'project': _Opt('Python', 'env', ()),
'author': _Opt('unknown', 'env', ()),
'project_copyright': _Opt('', 'html', frozenset((str, tuple, list))),
'copyright': _Opt(
lambda c: c.project_copyright, 'html', frozenset((str, tuple, list))),
'version': _Opt('', 'env', ()),
'release': _Opt('', 'env', ()),
'today': _Opt('', 'env', ()),
# the real default is locale-dependent
'today_fmt': _Opt(None, 'env', frozenset((str,))),
'language': _Opt('en', 'env', frozenset((str,))),
'locale_dirs': _Opt(['locales'], 'env', ()),
'figure_language_filename': _Opt('{root}.{language}{ext}', 'env', frozenset((str,))),
'gettext_allow_fuzzy_translations': _Opt(False, 'gettext', ()),
'translation_progress_classes': _Opt(
False, 'env', ENUM(True, False, 'translated', 'untranslated')),
'master_doc': _Opt('index', 'env', ()),
'root_doc': _Opt(lambda config: config.master_doc, 'env', ()),
# ``source_suffix`` type is actually ``dict[str, str | None]``:
# see ``convert_source_suffix()`` below.
'source_suffix': _Opt(
{'.rst': 'restructuredtext'}, 'env', Any), # type: ignore[arg-type]
'source_encoding': _Opt('utf-8-sig', 'env', ()),
'exclude_patterns': _Opt([], 'env', frozenset((str,))),
'include_patterns': _Opt(["**"], 'env', frozenset((str,))),
'default_role': _Opt(None, 'env', frozenset((str,))),
'add_function_parentheses': _Opt(True, 'env', ()),
'add_module_names': _Opt(True, 'env', ()),
'toc_object_entries': _Opt(True, 'env', frozenset((bool,))),
'toc_object_entries_show_parents': _Opt(
'domain', 'env', ENUM('domain', 'all', 'hide')),
'trim_footnote_reference_space': _Opt(False, 'env', ()),
'show_authors': _Opt(False, 'env', ()),
'pygments_style': _Opt(None, 'html', frozenset((str,))),
'highlight_language': _Opt('default', 'env', ()),
'highlight_options': _Opt({}, 'env', ()),
'templates_path': _Opt([], 'html', ()),
'template_bridge': _Opt(None, 'html', frozenset((str,))),
'keep_warnings': _Opt(False, 'env', ()),
'suppress_warnings': _Opt([], 'env', ()),
'show_warning_types': _Opt(False, 'env', frozenset((bool,))),
'modindex_common_prefix': _Opt([], 'html', ()),
'rst_epilog': _Opt(None, 'env', frozenset((str,))),
'rst_prolog': _Opt(None, 'env', frozenset((str,))),
'trim_doctest_flags': _Opt(True, 'env', ()),
'primary_domain': _Opt('py', 'env', frozenset((NoneType,))),
'needs_sphinx': _Opt(None, '', frozenset((str,))),
'needs_extensions': _Opt({}, '', ()),
'manpages_url': _Opt(None, 'env', ()),
'nitpicky': _Opt(False, '', ()),
'nitpick_ignore': _Opt([], '', frozenset((set, list, tuple))),
'nitpick_ignore_regex': _Opt([], '', frozenset((set, list, tuple))),
'numfig': _Opt(False, 'env', ()),
'numfig_secnum_depth': _Opt(1, 'env', ()),
'numfig_format': _Opt({}, 'env', ()), # will be initialized in init_numfig_format()
'maximum_signature_line_length': _Opt(
None, 'env', frozenset((int, NoneType))),
'math_number_all': _Opt(False, 'env', ()),
'math_eqref_format': _Opt(None, 'env', frozenset((str,))),
'math_numfig': _Opt(True, 'env', ()),
'tls_verify': _Opt(True, 'env', ()),
'tls_cacerts': _Opt(None, 'env', ()),
'user_agent': _Opt(None, 'env', frozenset((str,))),
'smartquotes': _Opt(True, 'env', ()),
'smartquotes_action': _Opt('qDe', 'env', ()),
'smartquotes_excludes': _Opt(
{'languages': ['ja'], 'builders': ['man', 'text']}, 'env', ()),
'option_emphasise_placeholders': _Opt(False, 'env', ()),
}
def __init__(self, config: dict[str, Any] | None = None,
overrides: dict[str, Any] | None = None) -> None:
raw_config: dict[str, Any] = config or {}
self._overrides = dict(overrides) if overrides is not None else {}
self._options = Config.config_values.copy()
self._raw_config = raw_config
for name in list(self._overrides.keys()):
if '.' in name:
real_name, key = name.split('.', 1)
raw_config.setdefault(real_name, {})[key] = self._overrides.pop(name)
self.setup: _ExtensionSetupFunc | None = raw_config.get('setup')
if 'extensions' in self._overrides:
extensions = self._overrides.pop('extensions')
if isinstance(extensions, str):
raw_config['extensions'] = extensions.split(',')
else:
raw_config['extensions'] = extensions
self.extensions: list[str] = raw_config.get('extensions', [])
@property
def values(self) -> dict[str, _Opt]:
return self._options
@property
def overrides(self) -> dict[str, Any]:
return self._overrides
@classmethod
def read(cls: type[Config], confdir: str | os.PathLike[str], overrides: dict | None = None,
tags: Tags | None = None) -> Config:
"""Create a Config object from configuration file."""
filename = path.join(confdir, CONFIG_FILENAME)
if not path.isfile(filename):
raise ConfigError(__("config directory doesn't contain a conf.py file (%s)") %
confdir)
namespace = eval_config_file(filename, tags)
# Note: Old sphinx projects have been configured as "language = None" because
# sphinx-quickstart previously generated this by default.
# To keep compatibility, they should be fallback to 'en' for a while
# (This conversion should not be removed before 2025-01-01).
if namespace.get("language", ...) is None:
logger.warning(__("Invalid configuration value found: 'language = None'. "
"Update your configuration to a valid language code. "
"Falling back to 'en' (English)."))
namespace["language"] = "en"
return cls(namespace, overrides)
def convert_overrides(self, name: str, value: str) -> Any:
opt = self._options[name]
default = opt.default
valid_types = opt.valid_types
if valid_types == Any:
return value
elif (type(default) is bool
or (not isinstance(valid_types, ENUM)
and len(valid_types) == 1 and bool in valid_types)):
if isinstance(valid_types, ENUM) or len(valid_types) > 1:
# if valid_types are given, and non-bool valid types exist,
# return the value without coercing to a Boolean.
return value
# given falsy string from a command line option
return value not in {'0', ''}
elif isinstance(default, dict):
raise ValueError(__('cannot override dictionary config setting %r, '
'ignoring (use %r to set individual elements)') %
(name, f'{name}.key=value'))
elif isinstance(default, list):
return value.split(',')
elif isinstance(default, int):
try:
return int(value)
except ValueError as exc:
raise ValueError(__('invalid number %r for config value %r, ignoring') %
(value, name)) from exc
elif callable(default):
return value
elif default is not None and not isinstance(default, str):
raise ValueError(__('cannot override config setting %r with unsupported '
'type, ignoring') % name)
else:
return value
@staticmethod
def pre_init_values() -> None:
# method only retained for compatibility
pass
# warnings.warn(
# 'Config.pre_init_values() will be removed in Sphinx 9.0 or later',
# RemovedInSphinx90Warning, stacklevel=2)
def init_values(self) -> None:
# method only retained for compatibility
self._report_override_warnings()
# warnings.warn(
# 'Config.init_values() will be removed in Sphinx 9.0 or later',
# RemovedInSphinx90Warning, stacklevel=2)
def _report_override_warnings(self) -> None:
for name in self._overrides:
if name not in self._options:
logger.warning(__('unknown config value %r in override, ignoring'), name)
def __repr__(self) -> str:
values = []
for opt_name in self._options:
try:
opt_value = getattr(self, opt_name)
except Exception:
opt_value = '<error!>'
values.append(f"{opt_name}={opt_value!r}")
return self.__class__.__qualname__ + '(' + ', '.join(values) + ')'
def __getattr__(self, name: str) -> Any:
if name in self._options:
# first check command-line overrides
if name in self._overrides:
value = self._overrides[name]
if not isinstance(value, str):
self.__dict__[name] = value
return value
try:
value = self.convert_overrides(name, value)
except ValueError as exc:
logger.warning("%s", exc)
else:
self.__dict__[name] = value
return value
# then check values from 'conf.py'
if name in self._raw_config:
self.__dict__[name] = value = self._raw_config[name]
return value
# finally, fall back to the default value
default = self._options[name].default
if callable(default):
return default(self)
self.__dict__[name] = default
return default
if name.startswith('_'):
msg = f'{self.__class__.__name__!r} object has no attribute {name!r}'
raise AttributeError(msg)
msg = __('No such config value: %r') % name
raise AttributeError(msg)
def __getitem__(self, name: str) -> Any:
return getattr(self, name)
def __setitem__(self, name: str, value: Any) -> None:
setattr(self, name, value)
def __delitem__(self, name: str) -> None:
delattr(self, name)
def __contains__(self, name: str) -> bool:
return name in self._options
def __iter__(self) -> Iterator[ConfigValue]:
for name, opt in self._options.items():
yield ConfigValue(name, getattr(self, name), opt.rebuild)
def add(self, name: str, default: Any, rebuild: _ConfigRebuild,
types: type | Collection[type] | ENUM) -> None:
if name in self._options:
raise ExtensionError(__('Config value %r already present') % name)
# standardise rebuild
if isinstance(rebuild, bool):
rebuild = 'env' if rebuild else ''
# standardise valid_types
valid_types = _validate_valid_types(types)
self._options[name] = _Opt(default, rebuild, valid_types)
def filter(self, rebuild: Set[_ConfigRebuild]) -> Iterator[ConfigValue]:
if isinstance(rebuild, str):
return (value for value in self if value.rebuild == rebuild)
return (value for value in self if value.rebuild in rebuild)
def __getstate__(self) -> dict:
"""Obtains serializable data for pickling."""
# remove potentially pickling-problematic values from config
__dict__ = {
key: value
for key, value in self.__dict__.items()
if not key.startswith('_') and is_serializable(value)
}
# create a picklable copy of ``self._options``
__dict__['_options'] = _options = {}
for name, opt in self._options.items():
if not isinstance(opt, _Opt) and isinstance(opt, tuple) and len(opt) <= 3:
# Fix for Furo's ``_update_default``.
self._options[name] = opt = _Opt(*opt)
real_value = getattr(self, name)
if not is_serializable(real_value):
if opt.rebuild:
# if the value is not cached, then any build that utilises this cache
# will always mark the config value as changed,
# and thus always invalidate the cache and perform a rebuild.
logger.warning(
__('cannot cache unpickable configuration value: %r '
'(because it contains a function, class, or module object)'),
name,
type='config',
subtype='cache',
once=True,
)
# omit unserializable value
real_value = None
# valid_types is also omitted
_options[name] = real_value, opt.rebuild
return __dict__
def __setstate__(self, state: dict) -> None:
self._overrides = {}
self._options = {
name: _Opt(real_value, rebuild, ())
for name, (real_value, rebuild) in state.pop('_options').items()
}
self._raw_config = {}
self.__dict__.update(state)
def eval_config_file(filename: str, tags: Tags | None) -> dict[str, Any]:
"""Evaluate a config file."""
namespace: dict[str, Any] = {}
namespace['__file__'] = filename
namespace['tags'] = tags
with chdir(path.dirname(filename)):
# during executing config file, current dir is changed to ``confdir``.
try:
with open(filename, 'rb') as f:
code = compile(f.read(), filename.encode(fs_encoding), 'exec')
exec(code, namespace) # NoQA: S102
except SyntaxError as err:
msg = __("There is a syntax error in your configuration file: %s\n")
raise ConfigError(msg % err) from err
except SystemExit as exc:
msg = __("The configuration file (or one of the modules it imports) "
"called sys.exit()")
raise ConfigError(msg) from exc
except ConfigError:
# pass through ConfigError from conf.py as is. It will be shown in console.
raise
except Exception as exc:
msg = __("There is a programmable error in your configuration file:\n\n%s")
raise ConfigError(msg % traceback.format_exc()) from exc
return namespace
def _validate_valid_types(
valid_types: type | Collection[type] | ENUM, /,
) -> tuple[()] | tuple[type, ...] | frozenset[type] | ENUM:
if not valid_types:
return ()
if isinstance(valid_types, (frozenset, ENUM)):
return valid_types
if isinstance(valid_types, type):
return frozenset((valid_types,))
if valid_types is Any:
return frozenset({Any}) # type: ignore[arg-type]
if isinstance(valid_types, set):
return frozenset(valid_types)
if not isinstance(valid_types, tuple):
try:
valid_types = tuple(valid_types)
except TypeError:
logger.warning(__('Failed to convert %r to a set or tuple'), valid_types)
return valid_types # type: ignore[return-value]
try:
return frozenset(valid_types)
except TypeError:
return valid_types
def convert_source_suffix(app: Sphinx, config: Config) -> None:
"""Convert old styled source_suffix to new styled one.
* old style: str or list
* new style: a dict which maps from fileext to filetype
"""
source_suffix = config.source_suffix
if isinstance(source_suffix, str):
# if str, considers as default filetype (None)
#
# The default filetype is determined on later step.
# By default, it is considered as restructuredtext.
config.source_suffix = {source_suffix: None} # type: ignore[attr-defined]
elif isinstance(source_suffix, (list, tuple)):
# if list, considers as all of them are default filetype
config.source_suffix = dict.fromkeys(source_suffix, None) # type: ignore[attr-defined]
elif not isinstance(source_suffix, dict):
logger.warning(__("The config value `source_suffix' expects "
"a string, list of strings, or dictionary. "
"But `%r' is given." % source_suffix))
def convert_highlight_options(app: Sphinx, config: Config) -> None:
"""Convert old styled highlight_options to new styled one.
* old style: options
* new style: a dict which maps from language name to options
"""
options = config.highlight_options
if options and not all(isinstance(v, dict) for v in options.values()):
# old styled option detected because all values are not dictionary.
config.highlight_options = {config.highlight_language: # type: ignore[attr-defined]
options}
def init_numfig_format(app: Sphinx, config: Config) -> None:
"""Initialize :confval:`numfig_format`."""
numfig_format = {'section': _('Section %s'),
'figure': _('Fig. %s'),
'table': _('Table %s'),
'code-block': _('Listing %s')}
# override default labels by configuration
numfig_format.update(config.numfig_format)
config.numfig_format = numfig_format # type: ignore[attr-defined]
def correct_copyright_year(_app: Sphinx, config: Config) -> None:
"""Correct values of copyright year that are not coherent with
the SOURCE_DATE_EPOCH environment variable (if set)
See https://reproducible-builds.org/specs/source-date-epoch/
"""
if (source_date_epoch := getenv('SOURCE_DATE_EPOCH')) is None:
return
source_date_epoch_year = str(time.gmtime(int(source_date_epoch)).tm_year)
for k in ('copyright', 'epub_copyright'):
if k in config:
value: str | Sequence[str] = config[k]
if isinstance(value, str):
config[k] = _substitute_copyright_year(value, source_date_epoch_year)
else:
items = (_substitute_copyright_year(x, source_date_epoch_year) for x in value)
config[k] = type(value)(items) # type: ignore[call-arg]
def _substitute_copyright_year(copyright_line: str, replace_year: str) -> str:
"""Replace the year in a single copyright line.
Legal formats are:
* ``YYYY``
* ``YYYY,``
* ``YYYY ``
* ``YYYY-YYYY,``
* ``YYYY-YYYY ``
The final year in the string is replaced with ``replace_year``.
"""
if len(copyright_line) < 4 or not copyright_line[:4].isdigit():
return copyright_line
if copyright_line[4:5] in {'', ' ', ','}:
return replace_year + copyright_line[4:]
if copyright_line[4] != '-':
return copyright_line
if copyright_line[5:9].isdigit() and copyright_line[9:10] in {'', ' ', ','}:
return copyright_line[:5] + replace_year + copyright_line[9:]
return copyright_line
def check_confval_types(app: Sphinx | None, config: Config) -> None:
"""Check all values for deviation from the default value's type, since
that can result in TypeErrors all over the place NB.
"""
for name, opt in config._options.items():
default = opt.default
valid_types = opt.valid_types
value = getattr(config, name)
if callable(default):
default = default(config) # evaluate default value
if default is None and not valid_types:
continue # neither inferable nor explicitly annotated types
if valid_types == frozenset({Any}): # any type of value is accepted
continue
if isinstance(valid_types, ENUM):
if not valid_types.match(value):
msg = __("The config value `{name}` has to be a one of {candidates}, "
"but `{current}` is given.")
logger.warning(
msg.format(name=name, current=value, candidates=valid_types.candidates),
once=True,
)
continue
type_value = type(value)
type_default = type(default)
if type_value is type_default: # attempt to infer the type
continue
if type_value in valid_types: # check explicitly listed types
continue
common_bases = ({*type_value.__bases__, type_value}
& set(type_default.__bases__))
common_bases.discard(object)
if common_bases:
continue # at least we share a non-trivial base class
if valid_types:
msg = __("The config value `{name}' has type `{current.__name__}'; "
"expected {permitted}.")
wrapped_valid_types = sorted(f"`{c.__name__}'" for c in valid_types)
if len(wrapped_valid_types) > 2:
permitted = (", ".join(wrapped_valid_types[:-1])
+ f", or {wrapped_valid_types[-1]}")
else:
permitted = " or ".join(wrapped_valid_types)
logger.warning(
msg.format(name=name, current=type_value, permitted=permitted),
once=True,
)
else:
msg = __("The config value `{name}' has type `{current.__name__}', "
"defaults to `{default.__name__}'.")
logger.warning(
msg.format(name=name, current=type_value, default=type_default),
once=True,
)
def check_primary_domain(app: Sphinx, config: Config) -> None:
primary_domain = config.primary_domain
if primary_domain and not app.registry.has_domain(primary_domain):
logger.warning(__('primary_domain %r not found, ignored.'), primary_domain)
config.primary_domain = None # type: ignore[attr-defined]
def check_root_doc(app: Sphinx, env: BuildEnvironment, added: set[str],
changed: set[str], removed: set[str]) -> set[str]:
"""Adjust root_doc to 'contents' to support an old project which does not have
any root_doc setting.
"""
if (app.config.root_doc == 'index' and
'index' not in app.project.docnames and
'contents' in app.project.docnames):
logger.warning(__('Since v2.0, Sphinx uses "index" as root_doc by default. '
'Please add "root_doc = \'contents\'" to your conf.py.'))
app.config.root_doc = "contents" # type: ignore[attr-defined]
return changed
def setup(app: Sphinx) -> ExtensionMetadata:
app.connect('config-inited', convert_source_suffix, priority=800)
app.connect('config-inited', convert_highlight_options, priority=800)
app.connect('config-inited', init_numfig_format, priority=800)
app.connect('config-inited', correct_copyright_year, priority=800)
app.connect('config-inited', check_confval_types, priority=800)
app.connect('config-inited', check_primary_domain, priority=800)
app.connect('env-get-outdated', check_root_doc)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}