Remove deprecated API

doc/extdev/deprecated.rst

@@ -23,33 +23,33 @@ The following is a list of deprecated interfaces.
      - Alternatives
 
    * - ``sphinx.io`` (entire module)
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - ``docutils.io`` or standard Python I/O
 
    * - ``sphinx.builders.Builder.app``
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - N/A
 
    * - ``sphinx.environment.BuildEnvironment.app``
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - N/A
 
    * - ``sphinx.transforms.Transform.app``
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - N/A
 
    * - ``sphinx.transforms.post_transforms.SphinxPostTransform.app``
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - N/A
 
    * - ``sphinx.events.EventManager.app``
-     - 8.3
-     - 10.0
+     - 9.0
+     - 11.0
      - N/A
 
    * - ``sphinx.builders.singlehtml.SingleFileHTMLBuilder.fix_refuris``

sphinx/builders/__init__.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-import codecs
 import pickle
 import re
 import time
@@ -139,7 +138,7 @@ def __init__(self, app: Sphinx, env: BuildEnvironment) -> None:
     def app(self) -> Sphinx:
         cls_module = self.__class__.__module__
         cls_name = self.__class__.__qualname__
-        _deprecation_warning(cls_module, f'{cls_name}.app', remove=(10, 0))
+        _deprecation_warning(cls_module, f'{cls_name}.app', remove=(11, 0))
         return self._app
 
     @property
@@ -641,15 +640,8 @@ def read_doc(self, docname: str, *, _cache: bool = True) -> None:
 
         filename = env.doc2path(docname)
 
-        # set up error_handler for the target document
-        # xref RemovedInSphinx90Warning
-        error_handler = _UnicodeDecodeErrorHandler(docname)
-        codecs.register_error('sphinx', error_handler)  # type: ignore[arg-type]
-
         # read the source file
-        content = filename.read_text(
-            encoding=env.settings['input_encoding'], errors='sphinx'
-        )
+        content = filename.read_text(encoding=env.settings['input_encoding'])
 
         # TODO: move the "source-read" event to here.
 
@@ -895,30 +887,3 @@ def _write_docname(
     builder.phase = BuildPhase.WRITING
     builder.write_doc_serialized(docname, doctree)
     builder.write_doc(docname, doctree)
-
-
-class _UnicodeDecodeErrorHandler:
-    """Custom error handler for open() that warns and replaces."""
-
-    def __init__(self, docname: str, /) -> None:
-        self.docname = docname
-
-    def __call__(self, error: UnicodeDecodeError) -> tuple[str, int]:
-        obj = error.object
-        line_start = obj.rfind(b'\n', 0, error.start)
-        line_end = obj.find(b'\n', error.start)
-        if line_end == -1:
-            line_end = len(obj)
-        line_num = obj.count(b'\n', 0, error.start) + 1
-        logger.warning(
-            __(
-                "undecodable source characters, replacing with '?': '%s>>>%s<<<%s'. "
-                'This will become an error in Sphinx 9.0.'
-                # xref RemovedInSphinx90Warning
-            ),
-            obj[line_start + 1 : error.start].decode(errors='backslashreplace'),
-            obj[error.start : error.end].decode(errors='backslashreplace'),
-            obj[error.end : line_end].decode(errors='backslashreplace'),
-            location=(self.docname, line_num),
-        )
-        return '?', error.end

sphinx/builders/html/__init__.py

@@ -32,7 +32,7 @@
 )
 from sphinx.builders.html._build_info import BuildInfo
 from sphinx.config import ENUM
-from sphinx.deprecation import _deprecation_warning
+from sphinx.deprecation import _deprecation_warning as _deprecation_warning
 from sphinx.domains import Index, IndexEntry
 from sphinx.environment.adapters.asset import ImageAdapter
 from sphinx.environment.adapters.indexentries import IndexEntries
@@ -258,13 +258,6 @@ def init_highlighter(self) -> None:
         else:
             self.dark_highlighter = None
 
-    @property
-    def css_files(self) -> list[_CascadingStyleSheet]:
-        _deprecation_warning(
-            __name__, f'{self.__class__.__name__}.css_files', remove=(9, 0)
-        )
-        return self._css_files
-
     def init_css_files(self) -> None:
         self._css_files = []
         self.add_css_file('pygments.css', priority=200)
@@ -294,12 +287,6 @@ def add_css_file(self, filename: str, **kwargs: Any) -> None:
         if (asset := _CascadingStyleSheet(filename, **kwargs)) not in self._css_files:
             self._css_files.append(asset)
 
-    @property
-    def script_files(self) -> list[_JavaScript]:
-        canonical_name = f'{self.__class__.__name__}.script_files'
-        _deprecation_warning(__name__, canonical_name, remove=(9, 0))
-        return self._js_files
-
     def init_js_files(self) -> None:
         self._js_files = []
         self.add_js_file('documentation_options.js', priority=200)
@@ -1556,26 +1543,3 @@ def setup(app: Sphinx) -> ExtensionMetadata:
         'parallel_read_safe': True,
         'parallel_write_safe': True,
     }
-
-
-# deprecated name -> (object to return, canonical path or empty string, removal version)
-_DEPRECATED_OBJECTS: dict[str, tuple[Any, str, tuple[int, int]]] = {
-    'Stylesheet': (
-        _CascadingStyleSheet,
-        'sphinx.builders.html._assets._CascadingStyleSheet',
-        (9, 0),
-    ),
-    'JavaScript': (_JavaScript, 'sphinx.builders.html._assets._JavaScript', (9, 0)),
-}
-
-
-def __getattr__(name: str) -> Any:
-    if name not in _DEPRECATED_OBJECTS:
-        msg = f'module {__name__!r} has no attribute {name!r}'
-        raise AttributeError(msg)
-
-    from sphinx.deprecation import _deprecation_warning
-
-    deprecated_object, canonical_name, remove = _DEPRECATED_OBJECTS[name]
-    _deprecation_warning(__name__, name, canonical_name, remove=remove)
-    return deprecated_object

sphinx/builders/html/_assets.py

@@ -1,12 +1,10 @@
 from __future__ import annotations
 
 import os
-import warnings
 import zlib
 from functools import cache
 from typing import TYPE_CHECKING
 
-from sphinx.deprecation import RemovedInSphinx90Warning
 from sphinx.errors import ThemeError
 
 if TYPE_CHECKING:
@@ -42,14 +40,6 @@ def __str__(self) -> str:
         )
 
     def __eq__(self, other: object) -> bool:
-        if isinstance(other, str):
-            warnings.warn(
-                'The str interface for _CascadingStyleSheet objects is deprecated. '
-                'Use css.filename instead.',
-                RemovedInSphinx90Warning,
-                stacklevel=2,
-            )
-            return self.filename == other
         if not isinstance(other, _CascadingStyleSheet):
             return NotImplemented
         return (
@@ -69,24 +59,6 @@ def __delattr__(self, key: str) -> NoReturn:
         msg = f'{self.__class__.__name__} is immutable'
         raise AttributeError(msg)
 
-    def __getattr__(self, key: str) -> str:
-        warnings.warn(
-            'The str interface for _CascadingStyleSheet objects is deprecated. '
-            'Use css.filename instead.',
-            RemovedInSphinx90Warning,
-            stacklevel=2,
-        )
-        return getattr(os.fspath(self.filename), key)
-
-    def __getitem__(self, key: int | slice) -> str:
-        warnings.warn(
-            'The str interface for _CascadingStyleSheet objects is deprecated. '
-            'Use css.filename instead.',
-            RemovedInSphinx90Warning,
-            stacklevel=2,
-        )
-        return os.fspath(self.filename)[key]
-
 
 class _JavaScript:
     filename: str | os.PathLike[str]
@@ -116,14 +88,6 @@ def __str__(self) -> str:
         )
 
     def __eq__(self, other: object) -> bool:
-        if isinstance(other, str):
-            warnings.warn(
-                'The str interface for _JavaScript objects is deprecated. '
-                'Use js.filename instead.',
-                RemovedInSphinx90Warning,
-                stacklevel=2,
-            )
-            return self.filename == other
         if not isinstance(other, _JavaScript):
             return NotImplemented
         return (
@@ -143,24 +107,6 @@ def __delattr__(self, key: str) -> NoReturn:
         msg = f'{self.__class__.__name__} is immutable'
         raise AttributeError(msg)
 
-    def __getattr__(self, key: str) -> str:
-        warnings.warn(
-            'The str interface for _JavaScript objects is deprecated. '
-            'Use js.filename instead.',
-            RemovedInSphinx90Warning,
-            stacklevel=2,
-        )
-        return getattr(os.fspath(self.filename), key)
-
-    def __getitem__(self, key: int | slice) -> str:
-        warnings.warn(
-            'The str interface for _JavaScript objects is deprecated. '
-            'Use js.filename instead.',
-            RemovedInSphinx90Warning,
-            stacklevel=2,
-        )
-        return os.fspath(self.filename)[key]
-
 
 def _file_checksum(outdir: Path, filename: str | os.PathLike[str]) -> str:
     filename = os.fspath(filename)

sphinx/config.py

@@ -5,13 +5,11 @@
 import time
 import traceback
 import types
-import warnings
 from contextlib import chdir
 from os import getenv
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, Literal, NamedTuple
 
-from sphinx.deprecation import RemovedInSphinx90Warning
 from sphinx.errors import ConfigError, ExtensionError
 from sphinx.locale import _, __
 from sphinx.util import logging
@@ -195,15 +193,6 @@ def __setstate__(
         super().__setattr__('valid_types', valid_types)
         super().__setattr__('description', description)
 
-    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.

sphinx/deprecation.py

@@ -6,15 +6,15 @@
 import warnings
 
 
-class RemovedInSphinx90Warning(DeprecationWarning):
+class RemovedInSphinx10Warning(DeprecationWarning):
     pass
 
 
-class RemovedInSphinx10Warning(PendingDeprecationWarning):
+class RemovedInSphinx11Warning(PendingDeprecationWarning):
     pass
 
 
-RemovedInNextVersionWarning = RemovedInSphinx90Warning
+RemovedInNextVersionWarning = RemovedInSphinx10Warning
 
 
 # By default, all Sphinx deprecation warnings will be emitted.
@@ -50,7 +50,7 @@ def _deprecation_warning(
            'deprecated_name': (
                object_to_return,
                'fully_qualified_replacement_name',
-               (9, 0),
+               (10, 0),
            ),
        }
 
@@ -66,10 +66,10 @@ def __getattr__(name: str) -> Any:
            _deprecation_warning(__name__, name, canonical_name, remove=remove)
            return deprecated_object
     """
-    if remove == (9, 0):
-        warning_class: type[Warning] = RemovedInSphinx90Warning
-    elif remove == (10, 0):
-        warning_class = RemovedInSphinx10Warning
+    if remove == (10, 0):
+        warning_class: type[Warning] = RemovedInSphinx10Warning
+    elif remove == (11, 0):
+        warning_class = RemovedInSphinx11Warning
     else:
         msg = f'removal version {remove!r} is invalid!'
         raise RuntimeError(msg)

sphinx/domains/python/__init__.py

@@ -56,16 +56,6 @@
 
 logger = logging.getLogger(__name__)
 
-pairindextypes = {
-    'module': 'module',
-    'keyword': 'keyword',
-    'operator': 'operator',
-    'object': 'object',
-    'exception': 'exception',
-    'statement': 'statement',
-    'builtin': 'built-in function',
-}
-
 
 class ObjectEntry(NamedTuple):
     docname: str

sphinx/environment/__init__.py

@@ -293,17 +293,17 @@ def setup(self, app: Sphinx) -> None:
 
     @property
     def app(self) -> Sphinx:
-        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(10, 0))
+        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(11, 0))
         return self._app
 
     @app.setter
     def app(self, app: Sphinx) -> None:
-        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(10, 0))
+        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(11, 0))
         self._app = app
 
     @app.deleter
     def app(self) -> None:
-        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(10, 0))
+        _deprecation_warning(__name__, 'BuildEnvironment.app', remove=(11, 0))
         del self._app
 
     @property

sphinx/events.py

@@ -87,7 +87,7 @@ def add(self, name: str) -> None:
 
     @property
     def app(self) -> Sphinx:
-        _deprecation_warning(__name__, 'EventManager.app', remove=(10, 0))
+        _deprecation_warning(__name__, 'EventManager.app', remove=(11, 0))
         return self._app
 
     # ---- Core events -------------------------------------------------------