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"""The changeset domain."""
from __future__ import annotations
from typing import TYPE_CHECKING, Any, NamedTuple, cast
from docutils import nodes
from sphinx import addnodes
from sphinx.domains import Domain
from sphinx.locale import _
from sphinx.util.docutils import SphinxDirective
if TYPE_CHECKING:
from docutils.nodes import Node
from sphinx.application import Sphinx
from sphinx.environment import BuildEnvironment
from sphinx.util.typing import OptionSpec
versionlabels = {
'versionadded': _('New in version %s'),
'versionchanged': _('Changed in version %s'),
'deprecated': _('Deprecated since version %s'),
}
versionlabel_classes = {
'versionadded': 'added',
'versionchanged': 'changed',
'deprecated': 'deprecated',
}
class ChangeSet(NamedTuple):
type: str
docname: str
lineno: int
module: str | None
descname: str | None
content: str
class VersionChange(SphinxDirective):
"""
Directive to describe a change/addition/deprecation in a specific version.
"""
has_content = True
required_arguments = 1
optional_arguments = 1
final_argument_whitespace = True
option_spec: OptionSpec = {}
def run(self) -> list[Node]:
node = addnodes.versionmodified()
node.document = self.state.document
self.set_source_info(node)
node['type'] = self.name
node['version'] = self.arguments[0]
text = versionlabels[self.name] % self.arguments[0]
if len(self.arguments) == 2:
inodes, messages = self.state.inline_text(self.arguments[1],
self.lineno + 1)
para = nodes.paragraph(self.arguments[1], '', *inodes, translatable=False)
self.set_source_info(para)
node.append(para)
else:
messages = []
if self.content:
self.state.nested_parse(self.content, self.content_offset, node)
classes = ['versionmodified', versionlabel_classes[self.name]]
if len(node) > 0 and isinstance(node[0], nodes.paragraph):
# the contents start with a paragraph
if node[0].rawsource:
# make the first paragraph translatable
content = nodes.inline(node[0].rawsource, translatable=True)
content.source = node[0].source
content.line = node[0].line
content += node[0].children
node[0].replace_self(nodes.paragraph('', '', content, translatable=False))
para = node[0]
para.insert(0, nodes.inline('', '%s: ' % text, classes=classes))
elif len(node) > 0:
# the contents do not starts with a paragraph
para = nodes.paragraph('', '',
nodes.inline('', '%s: ' % text, classes=classes),
translatable=False)
node.insert(0, para)
else:
# the contents are empty
para = nodes.paragraph('', '',
nodes.inline('', '%s.' % text, classes=classes),
translatable=False)
node.append(para)
domain = cast(ChangeSetDomain, self.env.get_domain('changeset'))
domain.note_changeset(node)
ret: list[Node] = [node]
ret += messages
return ret
class ChangeSetDomain(Domain):
"""Domain for changesets."""
name = 'changeset'
label = 'changeset'
initial_data: dict[str, Any] = {
'changes': {}, # version -> list of ChangeSet
}
@property
def changesets(self) -> dict[str, list[ChangeSet]]:
return self.data.setdefault('changes', {}) # version -> list of ChangeSet
def note_changeset(self, node: addnodes.versionmodified) -> None:
version = node['version']
module = self.env.ref_context.get('py:module')
objname = self.env.temp_data.get('object')
changeset = ChangeSet(node['type'], self.env.docname, node.line,
module, objname, node.astext())
self.changesets.setdefault(version, []).append(changeset)
def clear_doc(self, docname: str) -> None:
for changes in self.changesets.values():
for changeset in changes[:]:
if changeset.docname == docname:
changes.remove(changeset)
def merge_domaindata(self, docnames: list[str], otherdata: dict[str, Any]) -> None:
# XXX duplicates?
for version, otherchanges in otherdata['changes'].items():
changes = self.changesets.setdefault(version, [])
for changeset in otherchanges:
if changeset.docname in docnames:
changes.append(changeset)
def process_doc(
self, env: BuildEnvironment, docname: str, document: nodes.document,
) -> None:
pass # nothing to do here. All changesets are registered on calling directive.
def get_changesets_for(self, version: str) -> list[ChangeSet]:
return self.changesets.get(version, [])
def setup(app: Sphinx) -> dict[str, Any]:
app.add_domain(ChangeSetDomain)
app.add_directive('deprecated', VersionChange)
app.add_directive('versionadded', VersionChange)
app.add_directive('versionchanged', VersionChange)
return {
'version': 'builtin',
'env_version': 1,
'parallel_read_safe': True,
'parallel_write_safe': True,
}
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