/usr/lib/python3/dist-packages/sphinx/config.py is in python3-sphinx 1.6.7-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 | # -*- coding: utf-8 -*-
"""
sphinx.config
~~~~~~~~~~~~~
Build configuration file handling.
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import traceback
from os import path, getenv
from six import PY2, PY3, iteritems, string_types, binary_type, text_type, integer_types
from typing import Any, NamedTuple, Union
from sphinx.errors import ConfigError
from sphinx.locale import l_, __
from sphinx.util import logging
from sphinx.util.i18n import format_date
from sphinx.util.osutil import cd
from sphinx.util.pycompat import execfile_, NoneType
if False:
# For type annotation
from typing import Any, Callable, Dict, Iterable, Iterator, List, Tuple # NOQA
from sphinx.util.tags import Tags # NOQA
logger = logging.getLogger(__name__)
nonascii_re = re.compile(br'[\x80-\xff]')
copyright_year_re = re.compile(r'^((\d{4}-)?)(\d{4})(?=[ ,])')
CONFIG_SYNTAX_ERROR = "There is a syntax error in your configuration file: %s"
if PY3:
CONFIG_SYNTAX_ERROR += "\nDid you change the syntax from 2.x to 3.x?"
CONFIG_ERROR = "There is a programable error in your configuration file:\n\n%s"
CONFIG_EXIT_ERROR = "The configuration file (or one of the modules it imports) " \
"called sys.exit()"
CONFIG_ENUM_WARNING = "The config value `{name}` has to be a one of {candidates}, " \
"but `{current}` is given."
CONFIG_PERMITTED_TYPE_WARNING = "The config value `{name}' has type `{current.__name__}', " \
"expected to {permitted}."
CONFIG_TYPE_WARNING = "The config value `{name}' has type `{current.__name__}', " \
"defaults to `{default.__name__}'."
if PY3:
unicode = str # special alias for static typing...
ConfigValue = NamedTuple('ConfigValue', [('name', str),
('value', Any),
('rebuild', Union[bool, unicode])])
class ENUM(object):
"""represents the config value should be a one of candidates.
Example:
app.add_config_value('latex_show_urls', 'no', None, ENUM('no', 'footnote', 'inline'))
"""
def __init__(self, *candidates):
# type: (unicode) -> None
self.candidates = candidates
def match(self, value):
# type: (unicode) -> bool
return value in self.candidates
string_classes = [text_type] # type: List
if PY2:
string_classes.append(binary_type) # => [str, unicode]
class Config(object):
"""
Configuration file abstraction.
"""
# the values are: (default, what needs to be rebuilt if changed)
# If you add a value here, don't forget to include it in the
# quickstart.py file template as well as in the docs!
config_values = dict(
# general options
project = ('Python', 'env'),
copyright = ('', 'html'),
version = ('', 'env'),
release = ('', 'env'),
today = ('', 'env'),
# the real default is locale-dependent
today_fmt = (None, 'env', string_classes),
language = (None, 'env', string_classes),
locale_dirs = (['locales'], 'env'),
figure_language_filename = (u'{root}.{language}{ext}', 'env', [str]),
master_doc = ('contents', 'env'),
source_suffix = (['.rst'], 'env'),
source_encoding = ('utf-8-sig', 'env'),
source_parsers = ({}, 'env'),
exclude_patterns = ([], 'env'),
default_role = (None, 'env', string_classes),
add_function_parentheses = (True, 'env'),
add_module_names = (True, 'env'),
trim_footnote_reference_space = (False, 'env'),
show_authors = (False, 'env'),
pygments_style = (None, 'html', string_classes),
highlight_language = ('default', 'env'),
highlight_options = ({}, 'env'),
templates_path = ([], 'html'),
template_bridge = (None, 'html', string_classes),
keep_warnings = (False, 'env'),
suppress_warnings = ([], 'env'),
modindex_common_prefix = ([], 'html'),
rst_epilog = (None, 'env', string_classes),
rst_prolog = (None, 'env', string_classes),
trim_doctest_flags = (True, 'env'),
primary_domain = ('py', 'env', [NoneType]),
needs_sphinx = (None, None, string_classes),
needs_extensions = ({}, None),
nitpicky = (False, None),
nitpick_ignore = ([], None),
numfig = (False, 'env'),
numfig_secnum_depth = (1, 'env'),
numfig_format = ({'section': l_('Section %s'),
'figure': l_('Fig. %s'),
'table': l_('Table %s'),
'code-block': l_('Listing %s')},
'env'),
tls_verify = (True, 'env'),
tls_cacerts = (None, 'env'),
smartquotes = (True, 'env'),
smartquotes_action = ('qDe', 'env'),
smartquotes_excludes = ({'languages': ['ja'],
'builders': ['man', 'text']},
'env'),
) # type: Dict[unicode, Tuple]
def __init__(self, dirname, filename, overrides, tags):
# type: (unicode, unicode, Dict, Tags) -> None
self.overrides = overrides
self.values = Config.config_values.copy()
config = {} # type: Dict[unicode, Any]
if dirname is not None:
config_file = path.join(dirname, filename)
config['__file__'] = config_file
config['tags'] = tags
with cd(dirname):
# we promise to have the config dir as current dir while the
# config file is executed
try:
execfile_(filename, config)
except SyntaxError as err:
raise ConfigError(CONFIG_SYNTAX_ERROR % err)
except SystemExit:
raise ConfigError(CONFIG_EXIT_ERROR)
except Exception:
raise ConfigError(CONFIG_ERROR % traceback.format_exc())
self._raw_config = config
# these two must be preinitialized because extensions can add their
# own config values
self.setup = config.get('setup', None) # type: Callable
if 'extensions' in overrides:
if isinstance(overrides['extensions'], string_types):
config['extensions'] = overrides.pop('extensions').split(',')
else:
config['extensions'] = overrides.pop('extensions')
self.extensions = config.get('extensions', []) # type: List[unicode]
# 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 getenv('SOURCE_DATE_EPOCH') is not None:
for k in ('copyright', 'epub_copyright'):
if k in config:
config[k] = copyright_year_re.sub(r'\g<1>%s' % format_date('%Y'),
config[k])
def check_types(self):
# type: () -> None
# check all values for deviation from the default value's type, since
# that can result in TypeErrors all over the place
# NB. since config values might use l_() we have to wait with calling
# this method until i18n is initialized
for name in self._raw_config:
if name not in self.values:
continue # we don't know a default value
settings = self.values[name]
default, dummy_rebuild = settings[:2]
permitted = settings[2] if len(settings) == 3 else ()
if hasattr(default, '__call__'):
default = default(self) # could invoke l_()
if default is None and not permitted:
continue # neither inferrable nor expliclitly permitted types
current = self[name]
if isinstance(permitted, ENUM):
if not permitted.match(current):
logger.warning(CONFIG_ENUM_WARNING.format(
name=name, current=current, candidates=permitted.candidates))
else:
if type(current) is type(default):
continue
if type(current) in permitted:
continue
common_bases = (set(type(current).__bases__ + (type(current),)) &
set(type(default).__bases__))
common_bases.discard(object)
if common_bases:
continue # at least we share a non-trivial base class
if permitted:
logger.warning(CONFIG_PERMITTED_TYPE_WARNING.format(
name=name, current=type(current),
permitted=str([cls.__name__ for cls in permitted])))
else:
logger.warning(CONFIG_TYPE_WARNING.format(
name=name, current=type(current), default=type(default)))
def check_unicode(self):
# type: () -> None
# check all string values for non-ASCII characters in bytestrings,
# since that can result in UnicodeErrors all over the place
for name, value in iteritems(self._raw_config):
if isinstance(value, binary_type) and nonascii_re.search(value):
logger.warning('the config value %r is set to a string with non-ASCII '
'characters; this can lead to Unicode errors occurring. '
'Please use Unicode strings, e.g. %r.', name, u'Content')
def convert_overrides(self, name, value):
# type: (unicode, Any) -> Any
if not isinstance(value, string_types):
return value
else:
defvalue = self.values[name][0]
if isinstance(defvalue, dict):
raise ValueError(__('cannot override dictionary config setting %r, '
'ignoring (use %r to set individual elements)') %
(name, name + '.key=value'))
elif isinstance(defvalue, list):
return value.split(',')
elif isinstance(defvalue, integer_types):
try:
return int(value)
except ValueError:
raise ValueError(__('invalid number %r for config value %r, ignoring') %
(value, name))
elif hasattr(defvalue, '__call__'):
return value
elif defvalue is not None and not isinstance(defvalue, string_types):
raise ValueError(__('cannot override config setting %r with unsupported '
'type, ignoring') % name)
else:
return value
def pre_init_values(self):
# type: () -> None
"""
Initialize some limited config variables before initialize i18n and loading extensions
"""
variables = ['needs_sphinx', 'suppress_warnings', 'language', 'locale_dirs']
for name in variables:
try:
if name in self.overrides:
self.__dict__[name] = self.convert_overrides(name, self.overrides[name])
elif name in self._raw_config:
self.__dict__[name] = self._raw_config[name]
except ValueError as exc:
logger.warning("%s", exc)
def init_values(self):
# type: () -> None
config = self._raw_config
for valname, value in iteritems(self.overrides):
try:
if '.' in valname:
realvalname, key = valname.split('.', 1)
config.setdefault(realvalname, {})[key] = value
continue
elif valname not in self.values:
logger.warning(__('unknown config value %r in override, ignoring'),
valname)
continue
if isinstance(value, string_types):
config[valname] = self.convert_overrides(valname, value)
else:
config[valname] = value
except ValueError as exc:
logger.warning("%s", exc)
for name in config:
if name in self.values:
self.__dict__[name] = config[name] # type: ignore
if isinstance(self.source_suffix, string_types): # type: ignore
self.source_suffix = [self.source_suffix] # type: ignore
def __getattr__(self, name):
# type: (unicode) -> Any
if name.startswith('_'):
raise AttributeError(name)
if name not in self.values:
raise AttributeError(__('No such config value: %s') % name)
default = self.values[name][0]
if hasattr(default, '__call__'):
return default(self)
return default
def __getitem__(self, name):
# type: (unicode) -> unicode
return getattr(self, name)
def __setitem__(self, name, value):
# type: (unicode, Any) -> None
setattr(self, name, value)
def __delitem__(self, name):
# type: (unicode) -> None
delattr(self, name)
def __contains__(self, name):
# type: (unicode) -> bool
return name in self.values
def __iter__(self):
# type: () -> Iterable[ConfigValue]
for name, value in iteritems(self.values):
yield ConfigValue(name, getattr(self, name), value[1]) # type: ignore
def add(self, name, default, rebuild, types):
# type: (unicode, Any, Union[bool, unicode], Any) -> None
self.values[name] = (default, rebuild, types)
def filter(self, rebuild):
# type: (str) -> Iterator[ConfigValue]
return (value for value in self if value.rebuild == rebuild) # type: ignore
|