cpython/Doc/tools/extensions/changes.py

91 lines
3.1 KiB
Python

"""Support for documenting version of changes, additions, deprecations."""
from __future__ import annotations
from typing import TYPE_CHECKING
from sphinx.domains.changeset import (
VersionChange,
versionlabel_classes,
versionlabels,
)
from sphinx.locale import _ as sphinx_gettext
if TYPE_CHECKING:
from docutils.nodes import Node
from sphinx.application import Sphinx
from sphinx.util.typing import ExtensionMetadata
def expand_version_arg(argument: str, release: str) -> str:
"""Expand "next" to the current version"""
if argument == "next":
return sphinx_gettext("{} (unreleased)").format(release)
return argument
class PyVersionChange(VersionChange):
def run(self) -> list[Node]:
# Replace the 'next' special token with the current development version
self.arguments[0] = expand_version_arg(
self.arguments[0], self.config.release
)
return super().run()
class DeprecatedRemoved(VersionChange):
required_arguments = 2
_deprecated_label = sphinx_gettext(
"Deprecated since version %s, will be removed in version %s"
)
_removed_label = sphinx_gettext(
"Deprecated since version %s, removed in version %s"
)
def run(self) -> list[Node]:
# Replace the first two arguments (deprecated version and removed version)
# with a single tuple of both versions.
version_deprecated = expand_version_arg(
self.arguments[0], self.config.release
)
version_removed = self.arguments.pop(1)
if version_removed == "next":
raise ValueError(
"deprecated-removed:: second argument cannot be `next`"
)
self.arguments[0] = version_deprecated, version_removed
# Set the label based on if we have reached the removal version
current_version = tuple(map(int, self.config.version.split(".")))
removed_version = tuple(map(int, version_removed.split(".")))
if current_version < removed_version:
versionlabels[self.name] = self._deprecated_label
versionlabel_classes[self.name] = "deprecated"
else:
versionlabels[self.name] = self._removed_label
versionlabel_classes[self.name] = "removed"
try:
return super().run()
finally:
# reset versionlabels and versionlabel_classes
versionlabels[self.name] = ""
versionlabel_classes[self.name] = ""
def setup(app: Sphinx) -> ExtensionMetadata:
# Override Sphinx's directives with support for 'next'
app.add_directive("versionadded", PyVersionChange, override=True)
app.add_directive("versionchanged", PyVersionChange, override=True)
app.add_directive("versionremoved", PyVersionChange, override=True)
app.add_directive("deprecated", PyVersionChange, override=True)
# Register the ``.. deprecated-removed::`` directive
app.add_directive("deprecated-removed", DeprecatedRemoved)
return {
"version": "1.0",
"parallel_read_safe": True,
"parallel_write_safe": True,
}