50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
"""Sphinx extensions for performant PEP processing"""
|
|
|
|
from __future__ import annotations
|
|
|
|
from typing import TYPE_CHECKING
|
|
|
|
from docutils.writers.html5_polyglot import HTMLTranslator
|
|
from sphinx.environment import default_settings
|
|
|
|
from pep_sphinx_extensions.pep_processor.html import pep_html_translator
|
|
from pep_sphinx_extensions.pep_processor.parsing import pep_parser
|
|
from pep_sphinx_extensions.pep_processor.parsing import pep_role
|
|
from pep_sphinx_extensions.pep_zero_generator.pep_index_generator import create_pep_zero
|
|
|
|
if TYPE_CHECKING:
|
|
from sphinx.application import Sphinx
|
|
|
|
# Monkeypatch sphinx.environment.default_settings as Sphinx doesn't allow custom settings or Readers
|
|
# These settings should go in docutils.conf, but are overridden here for now so as not to affect
|
|
# pep2html.py
|
|
default_settings |= {
|
|
"pep_references": True,
|
|
"rfc_references": True,
|
|
"pep_base_url": "",
|
|
"pep_file_url_template": "pep-%04d.html",
|
|
"_disable_config": True, # disable using docutils.conf whilst running both PEP generators
|
|
}
|
|
|
|
|
|
def _depart_maths():
|
|
pass # No-op callable for the type checker
|
|
|
|
|
|
def setup(app: Sphinx) -> dict[str, bool]:
|
|
"""Initialize Sphinx extension."""
|
|
|
|
# Register plugin logic
|
|
app.add_source_parser(pep_parser.PEPParser) # Add PEP transforms
|
|
app.add_role("pep", pep_role.PEPRole(), override=True) # Transform PEP references to links
|
|
app.set_translator("html", pep_html_translator.PEPTranslator) # Docutils Node Visitor overrides
|
|
app.connect("env-before-read-docs", create_pep_zero) # PEP 0 hook
|
|
|
|
# Mathematics rendering
|
|
inline_maths = HTMLTranslator.visit_math, _depart_maths
|
|
block_maths = HTMLTranslator.visit_math_block, _depart_maths
|
|
app.add_html_math_renderer("maths_to_html", inline_maths, block_maths) # Render maths to HTML
|
|
|
|
# Parallel safety: https://www.sphinx-doc.org/en/master/extdev/index.html#extension-metadata
|
|
return {"parallel_read_safe": True, "parallel_write_safe": True}
|