mirror of https://github.com/python/cpython.git
277 lines
10 KiB
Python
277 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pyspecific.py
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~~~~~~~~~~~~~
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Sphinx extension with Python doc-specific markup.
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:copyright: 2008-2014 by Georg Brandl.
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:license: Python license.
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"""
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import re
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import io
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from os import getenv, path
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from time import asctime
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from pprint import pformat
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from docutils import nodes
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from docutils.io import StringOutput
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from docutils.parsers.rst import directives
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from docutils.utils import new_document, unescape
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from sphinx import addnodes
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from sphinx.builders import Builder
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from sphinx.domains.python import PyFunction, PyMethod, PyModule
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from sphinx.locale import _ as sphinx_gettext
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from sphinx.util.docutils import SphinxDirective
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from sphinx.writers.text import TextWriter, TextTranslator
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from sphinx.util.display import status_iterator
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ISSUE_URI = 'https://bugs.python.org/issue?@action=redirect&bpo=%s'
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GH_ISSUE_URI = 'https://github.com/python/cpython/issues/%s'
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# Used in conf.py and updated here by python/release-tools/run_release.py
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SOURCE_URI = 'https://github.com/python/cpython/tree/3.13/%s'
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# monkey-patch reST parser to disable alphabetic and roman enumerated lists
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from docutils.parsers.rst.states import Body
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Body.enum.converters['loweralpha'] = \
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Body.enum.converters['upperalpha'] = \
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Body.enum.converters['lowerroman'] = \
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Body.enum.converters['upperroman'] = lambda x: None
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# Support for marking up and linking to bugs.python.org issues
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def issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
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issue = unescape(text)
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# sanity check: there are no bpo issues within these two values
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if 47261 < int(issue) < 400000:
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msg = inliner.reporter.error(f'The BPO ID {text!r} seems too high -- '
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'use :gh:`...` for GitHub IDs', line=lineno)
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prb = inliner.problematic(rawtext, rawtext, msg)
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return [prb], [msg]
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text = 'bpo-' + issue
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refnode = nodes.reference(text, text, refuri=ISSUE_URI % issue)
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return [refnode], []
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# Support for marking up and linking to GitHub issues
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def gh_issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
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issue = unescape(text)
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# sanity check: all GitHub issues have ID >= 32426
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# even though some of them are also valid BPO IDs
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if int(issue) < 32426:
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msg = inliner.reporter.error(f'The GitHub ID {text!r} seems too low -- '
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'use :issue:`...` for BPO IDs', line=lineno)
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prb = inliner.problematic(rawtext, rawtext, msg)
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return [prb], [msg]
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text = 'gh-' + issue
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refnode = nodes.reference(text, text, refuri=GH_ISSUE_URI % issue)
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return [refnode], []
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class PyCoroutineMixin(object):
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def handle_signature(self, sig, signode):
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ret = super(PyCoroutineMixin, self).handle_signature(sig, signode)
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signode.insert(0, addnodes.desc_annotation('coroutine ', 'coroutine '))
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return ret
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class PyAwaitableMixin(object):
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def handle_signature(self, sig, signode):
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ret = super(PyAwaitableMixin, self).handle_signature(sig, signode)
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signode.insert(0, addnodes.desc_annotation('awaitable ', 'awaitable '))
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return ret
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class PyCoroutineFunction(PyCoroutineMixin, PyFunction):
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def run(self):
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self.name = 'py:function'
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return PyFunction.run(self)
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class PyCoroutineMethod(PyCoroutineMixin, PyMethod):
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def run(self):
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self.name = 'py:method'
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return PyMethod.run(self)
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class PyAwaitableFunction(PyAwaitableMixin, PyFunction):
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def run(self):
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self.name = 'py:function'
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return PyFunction.run(self)
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class PyAwaitableMethod(PyAwaitableMixin, PyMethod):
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def run(self):
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self.name = 'py:method'
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return PyMethod.run(self)
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class PyAbstractMethod(PyMethod):
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def handle_signature(self, sig, signode):
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ret = super(PyAbstractMethod, self).handle_signature(sig, signode)
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signode.insert(0, addnodes.desc_annotation('abstractmethod ',
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'abstractmethod '))
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return ret
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def run(self):
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self.name = 'py:method'
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return PyMethod.run(self)
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# Support for building "topic help" for pydoc
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pydoc_topic_labels = [
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'assert', 'assignment', 'assignment-expressions', 'async', 'atom-identifiers',
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'atom-literals', 'attribute-access', 'attribute-references', 'augassign', 'await',
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'binary', 'bitwise', 'bltin-code-objects', 'bltin-ellipsis-object',
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'bltin-null-object', 'bltin-type-objects', 'booleans',
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'break', 'callable-types', 'calls', 'class', 'comparisons', 'compound',
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'context-managers', 'continue', 'conversions', 'customization', 'debugger',
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'del', 'dict', 'dynamic-features', 'else', 'exceptions', 'execmodel',
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'exprlists', 'floating', 'for', 'formatstrings', 'function', 'global',
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'id-classes', 'identifiers', 'if', 'imaginary', 'import', 'in', 'integers',
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'lambda', 'lists', 'naming', 'nonlocal', 'numbers', 'numeric-types',
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'objects', 'operator-summary', 'pass', 'power', 'raise', 'return',
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'sequence-types', 'shifting', 'slicings', 'specialattrs', 'specialnames',
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'string-methods', 'strings', 'subscriptions', 'truth', 'try', 'types',
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'typesfunctions', 'typesmapping', 'typesmethods', 'typesmodules',
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'typesseq', 'typesseq-mutable', 'unary', 'while', 'with', 'yield'
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]
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class PydocTopicsBuilder(Builder):
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name = 'pydoc-topics'
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default_translator_class = TextTranslator
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def init(self):
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self.topics = {}
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self.secnumbers = {}
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def get_outdated_docs(self):
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return 'all pydoc topics'
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def get_target_uri(self, docname, typ=None):
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return '' # no URIs
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def write(self, *ignored):
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writer = TextWriter(self)
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for label in status_iterator(pydoc_topic_labels,
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'building topics... ',
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length=len(pydoc_topic_labels)):
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if label not in self.env.domaindata['std']['labels']:
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self.env.logger.warning(f'label {label!r} not in documentation')
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continue
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docname, labelid, sectname = self.env.domaindata['std']['labels'][label]
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doctree = self.env.get_and_resolve_doctree(docname, self)
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document = new_document('<section node>')
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document.append(doctree.ids[labelid])
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destination = StringOutput(encoding='utf-8')
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writer.write(document, destination)
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self.topics[label] = writer.output
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def finish(self):
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f = open(path.join(self.outdir, 'topics.py'), 'wb')
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try:
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f.write('# -*- coding: utf-8 -*-\n'.encode('utf-8'))
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f.write(('# Autogenerated by Sphinx on %s\n' % asctime()).encode('utf-8'))
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f.write('# as part of the release process.\n'.encode('utf-8'))
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f.write(('topics = ' + pformat(self.topics) + '\n').encode('utf-8'))
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finally:
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f.close()
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# Support for documenting Opcodes
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opcode_sig_re = re.compile(r'(\w+(?:\+\d)?)(?:\s*\((.*)\))?')
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def parse_opcode_signature(env, sig, signode):
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"""Transform an opcode signature into RST nodes."""
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m = opcode_sig_re.match(sig)
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if m is None:
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raise ValueError
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opname, arglist = m.groups()
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signode += addnodes.desc_name(opname, opname)
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if arglist is not None:
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paramlist = addnodes.desc_parameterlist()
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signode += paramlist
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paramlist += addnodes.desc_parameter(arglist, arglist)
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return opname.strip()
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# Support for documenting pdb commands
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pdbcmd_sig_re = re.compile(r'([a-z()!]+)\s*(.*)')
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# later...
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# pdbargs_tokens_re = re.compile(r'''[a-zA-Z]+ | # identifiers
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# [.,:]+ | # punctuation
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# [\[\]()] | # parens
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# \s+ # whitespace
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# ''', re.X)
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def parse_pdb_command(env, sig, signode):
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"""Transform a pdb command signature into RST nodes."""
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m = pdbcmd_sig_re.match(sig)
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if m is None:
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raise ValueError
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name, args = m.groups()
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fullname = name.replace('(', '').replace(')', '')
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signode += addnodes.desc_name(name, name)
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if args:
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signode += addnodes.desc_addname(' '+args, ' '+args)
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return fullname
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def parse_monitoring_event(env, sig, signode):
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"""Transform a monitoring event signature into RST nodes."""
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signode += addnodes.desc_addname('sys.monitoring.events.', 'sys.monitoring.events.')
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signode += addnodes.desc_name(sig, sig)
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return sig
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def patch_pairindextypes(app, _env) -> None:
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"""Remove all entries from ``pairindextypes`` before writing POT files.
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We want to run this just before writing output files, as the check to
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circumvent is in ``I18nBuilder.write_doc()``.
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As such, we link this to ``env-check-consistency``, even though it has
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nothing to do with the environment consistency check.
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"""
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if app.builder.name != 'gettext':
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return
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# allow translating deprecated index entries
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try:
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from sphinx.domains.python import pairindextypes
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except ImportError:
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pass
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else:
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# Sphinx checks if a 'pair' type entry on an index directive is one of
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# the Sphinx-translated pairindextypes values. As we intend to move
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# away from this, we need Sphinx to believe that these values don't
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# exist, by deleting them when using the gettext builder.
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pairindextypes.clear()
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def setup(app):
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app.add_role('issue', issue_role)
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app.add_role('gh', gh_issue_role)
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app.add_builder(PydocTopicsBuilder)
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app.add_object_type('opcode', 'opcode', '%s (opcode)', parse_opcode_signature)
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app.add_object_type('pdbcommand', 'pdbcmd', '%s (pdb command)', parse_pdb_command)
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app.add_object_type('monitoring-event', 'monitoring-event', '%s (monitoring event)', parse_monitoring_event)
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app.add_directive_to_domain('py', 'coroutinefunction', PyCoroutineFunction)
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app.add_directive_to_domain('py', 'coroutinemethod', PyCoroutineMethod)
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app.add_directive_to_domain('py', 'awaitablefunction', PyAwaitableFunction)
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app.add_directive_to_domain('py', 'awaitablemethod', PyAwaitableMethod)
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app.add_directive_to_domain('py', 'abstractmethod', PyAbstractMethod)
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app.connect('env-check-consistency', patch_pairindextypes)
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return {'version': '1.0', 'parallel_read_safe': True}
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