cpython/Doc/tools/extensions/pyspecific.py

233 lines
8.1 KiB
Python

# -*- coding: utf-8 -*-
"""
pyspecific.py
~~~~~~~~~~~~~
Sphinx extension with Python doc-specific markup.
:copyright: 2008-2014 by Georg Brandl.
:license: Python license.
"""
import re
import io
from os import getenv, path
from docutils import nodes
from docutils.parsers.rst import directives
from docutils.utils import unescape
from sphinx import addnodes
from sphinx.domains.python import PyFunction, PyMethod, PyModule
from sphinx.locale import _ as sphinx_gettext
from sphinx.util.docutils import SphinxDirective
ISSUE_URI = 'https://bugs.python.org/issue?@action=redirect&bpo=%s'
GH_ISSUE_URI = 'https://github.com/python/cpython/issues/%s'
# Used in conf.py and updated here by python/release-tools/run_release.py
SOURCE_URI = 'https://github.com/python/cpython/tree/main/%s'
# monkey-patch reST parser to disable alphabetic and roman enumerated lists
from docutils.parsers.rst.states import Body
Body.enum.converters['loweralpha'] = \
Body.enum.converters['upperalpha'] = \
Body.enum.converters['lowerroman'] = \
Body.enum.converters['upperroman'] = lambda x: None
# Support for marking up and linking to bugs.python.org issues
def issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
issue = unescape(text)
# sanity check: there are no bpo issues within these two values
if 47261 < int(issue) < 400000:
msg = inliner.reporter.error(f'The BPO ID {text!r} seems too high -- '
'use :gh:`...` for GitHub IDs', line=lineno)
prb = inliner.problematic(rawtext, rawtext, msg)
return [prb], [msg]
text = 'bpo-' + issue
refnode = nodes.reference(text, text, refuri=ISSUE_URI % issue)
return [refnode], []
# Support for marking up and linking to GitHub issues
def gh_issue_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
issue = unescape(text)
# sanity check: all GitHub issues have ID >= 32426
# even though some of them are also valid BPO IDs
if int(issue) < 32426:
msg = inliner.reporter.error(f'The GitHub ID {text!r} seems too low -- '
'use :issue:`...` for BPO IDs', line=lineno)
prb = inliner.problematic(rawtext, rawtext, msg)
return [prb], [msg]
text = 'gh-' + issue
refnode = nodes.reference(text, text, refuri=GH_ISSUE_URI % issue)
return [refnode], []
# Support for marking up implementation details
class ImplementationDetail(SphinxDirective):
has_content = True
final_argument_whitespace = True
# This text is copied to templates/dummy.html
label_text = sphinx_gettext('CPython implementation detail:')
def run(self):
self.assert_has_content()
pnode = nodes.compound(classes=['impl-detail'])
content = self.content
add_text = nodes.strong(self.label_text, self.label_text)
self.state.nested_parse(content, self.content_offset, pnode)
content = nodes.inline(pnode[0].rawsource, translatable=True)
content.source = pnode[0].source
content.line = pnode[0].line
content += pnode[0].children
pnode[0].replace_self(nodes.paragraph(
'', '', add_text, nodes.Text(' '), content, translatable=False))
return [pnode]
class PyCoroutineMixin(object):
def handle_signature(self, sig, signode):
ret = super(PyCoroutineMixin, self).handle_signature(sig, signode)
signode.insert(0, addnodes.desc_annotation('coroutine ', 'coroutine '))
return ret
class PyAwaitableMixin(object):
def handle_signature(self, sig, signode):
ret = super(PyAwaitableMixin, self).handle_signature(sig, signode)
signode.insert(0, addnodes.desc_annotation('awaitable ', 'awaitable '))
return ret
class PyCoroutineFunction(PyCoroutineMixin, PyFunction):
def run(self):
self.name = 'py:function'
return PyFunction.run(self)
class PyCoroutineMethod(PyCoroutineMixin, PyMethod):
def run(self):
self.name = 'py:method'
return PyMethod.run(self)
class PyAwaitableFunction(PyAwaitableMixin, PyFunction):
def run(self):
self.name = 'py:function'
return PyFunction.run(self)
class PyAwaitableMethod(PyAwaitableMixin, PyMethod):
def run(self):
self.name = 'py:method'
return PyMethod.run(self)
class PyAbstractMethod(PyMethod):
def handle_signature(self, sig, signode):
ret = super(PyAbstractMethod, self).handle_signature(sig, signode)
signode.insert(0, addnodes.desc_annotation('abstractmethod ',
'abstractmethod '))
return ret
def run(self):
self.name = 'py:method'
return PyMethod.run(self)
# Support for documenting Opcodes
opcode_sig_re = re.compile(r'(\w+(?:\+\d)?)(?:\s*\((.*)\))?')
def parse_opcode_signature(env, sig, signode):
"""Transform an opcode signature into RST nodes."""
m = opcode_sig_re.match(sig)
if m is None:
raise ValueError
opname, arglist = m.groups()
signode += addnodes.desc_name(opname, opname)
if arglist is not None:
paramlist = addnodes.desc_parameterlist()
signode += paramlist
paramlist += addnodes.desc_parameter(arglist, arglist)
return opname.strip()
# Support for documenting pdb commands
pdbcmd_sig_re = re.compile(r'([a-z()!]+)\s*(.*)')
# later...
# pdbargs_tokens_re = re.compile(r'''[a-zA-Z]+ | # identifiers
# [.,:]+ | # punctuation
# [\[\]()] | # parens
# \s+ # whitespace
# ''', re.X)
def parse_pdb_command(env, sig, signode):
"""Transform a pdb command signature into RST nodes."""
m = pdbcmd_sig_re.match(sig)
if m is None:
raise ValueError
name, args = m.groups()
fullname = name.replace('(', '').replace(')', '')
signode += addnodes.desc_name(name, name)
if args:
signode += addnodes.desc_addname(' '+args, ' '+args)
return fullname
def parse_monitoring_event(env, sig, signode):
"""Transform a monitoring event signature into RST nodes."""
signode += addnodes.desc_addname('sys.monitoring.events.', 'sys.monitoring.events.')
signode += addnodes.desc_name(sig, sig)
return sig
def patch_pairindextypes(app, _env) -> None:
"""Remove all entries from ``pairindextypes`` before writing POT files.
We want to run this just before writing output files, as the check to
circumvent is in ``I18nBuilder.write_doc()``.
As such, we link this to ``env-check-consistency``, even though it has
nothing to do with the environment consistency check.
"""
if app.builder.name != 'gettext':
return
# allow translating deprecated index entries
try:
from sphinx.domains.python import pairindextypes
except ImportError:
pass
else:
# Sphinx checks if a 'pair' type entry on an index directive is one of
# the Sphinx-translated pairindextypes values. As we intend to move
# away from this, we need Sphinx to believe that these values don't
# exist, by deleting them when using the gettext builder.
pairindextypes.clear()
def setup(app):
app.add_role('issue', issue_role)
app.add_role('gh', gh_issue_role)
app.add_directive('impl-detail', ImplementationDetail)
app.add_object_type('opcode', 'opcode', '%s (opcode)', parse_opcode_signature)
app.add_object_type('pdbcommand', 'pdbcmd', '%s (pdb command)', parse_pdb_command)
app.add_object_type('monitoring-event', 'monitoring-event', '%s (monitoring event)', parse_monitoring_event)
app.add_directive_to_domain('py', 'coroutinefunction', PyCoroutineFunction)
app.add_directive_to_domain('py', 'coroutinemethod', PyCoroutineMethod)
app.add_directive_to_domain('py', 'awaitablefunction', PyAwaitableFunction)
app.add_directive_to_domain('py', 'awaitablemethod', PyAwaitableMethod)
app.add_directive_to_domain('py', 'abstractmethod', PyAbstractMethod)
app.connect('env-check-consistency', patch_pairindextypes)
return {'version': '1.0', 'parallel_read_safe': True}