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129 lines
4.1 KiB
129 lines
4.1 KiB
"""
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sphinx.domains.index
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~~~~~~~~~~~~~~~~~~~~
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The index domain.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from typing import Any, Dict, Iterable, List, Tuple
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from docutils import nodes
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from docutils.nodes import Node, system_message
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from docutils.parsers.rst import directives
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from sphinx import addnodes
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from sphinx.domains import Domain
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from sphinx.environment import BuildEnvironment
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from sphinx.util import logging, split_index_msg
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from sphinx.util.docutils import ReferenceRole, SphinxDirective
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from sphinx.util.nodes import process_index_entry
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if False:
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# For type annotation
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from sphinx.application import Sphinx
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logger = logging.getLogger(__name__)
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class IndexDomain(Domain):
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"""Mathematics domain."""
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name = 'index'
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label = 'index'
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@property
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def entries(self) -> Dict[str, List[Tuple[str, str, str, str, str]]]:
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return self.data.setdefault('entries', {})
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def clear_doc(self, docname: str) -> None:
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self.entries.pop(docname, None)
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def merge_domaindata(self, docnames: Iterable[str], otherdata: Dict) -> None:
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for docname in docnames:
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self.entries[docname] = otherdata['entries'][docname]
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def process_doc(self, env: BuildEnvironment, docname: str, document: Node) -> None:
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"""Process a document after it is read by the environment."""
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entries = self.entries.setdefault(env.docname, [])
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for node in document.traverse(addnodes.index):
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try:
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for entry in node['entries']:
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split_index_msg(entry[0], entry[1])
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except ValueError as exc:
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logger.warning(str(exc), location=node)
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node.parent.remove(node)
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else:
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for entry in node['entries']:
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entries.append(entry)
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class IndexDirective(SphinxDirective):
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"""
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Directive to add entries to the index.
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"""
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has_content = False
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required_arguments = 1
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optional_arguments = 0
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final_argument_whitespace = True
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option_spec = {
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'name': directives.unchanged,
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}
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def run(self) -> List[Node]:
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arguments = self.arguments[0].split('\n')
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if 'name' in self.options:
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targetname = self.options['name']
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targetnode = nodes.target('', '', names=[targetname])
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else:
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targetid = 'index-%s' % self.env.new_serialno('index')
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targetnode = nodes.target('', '', ids=[targetid])
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self.state.document.note_explicit_target(targetnode)
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indexnode = addnodes.index()
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indexnode['entries'] = []
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indexnode['inline'] = False
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self.set_source_info(indexnode)
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for entry in arguments:
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indexnode['entries'].extend(process_index_entry(entry, targetnode['ids'][0]))
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return [indexnode, targetnode]
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class IndexRole(ReferenceRole):
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def run(self) -> Tuple[List[Node], List[system_message]]:
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target_id = 'index-%s' % self.env.new_serialno('index')
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if self.has_explicit_title:
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# if an explicit target is given, process it as a full entry
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title = self.title
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entries = process_index_entry(self.target, target_id)
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else:
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# otherwise we just create a single entry
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if self.target.startswith('!'):
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title = self.title[1:]
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entries = [('single', self.target[1:], target_id, 'main', None)]
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else:
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title = self.title
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entries = [('single', self.target, target_id, '', None)]
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index = addnodes.index(entries=entries)
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target = nodes.target('', '', ids=[target_id])
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text = nodes.Text(title, title)
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self.set_source_info(index)
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return [index, target, text], []
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def setup(app: "Sphinx") -> Dict[str, Any]:
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app.add_domain(IndexDomain)
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app.add_directive('index', IndexDirective)
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app.add_role('index', IndexRole())
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return {
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'version': 'builtin',
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'env_version': 1,
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'parallel_read_safe': True,
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'parallel_write_safe': True,
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}
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