python-peps/pep_sphinx_extensions/pep_zero_generator/subindices.py

74 lines
1.9 KiB
Python

"""Utilities to support sub-indices for PEPs."""
from __future__ import annotations
from pathlib import Path
from typing import TYPE_CHECKING
from pep_sphinx_extensions.pep_zero_generator import writer
if TYPE_CHECKING:
from sphinx.environment import BuildEnvironment
from pep_sphinx_extensions.pep_zero_generator.parser import PEP
def update_sphinx(filename: str, text: str, docnames: list[str], env: BuildEnvironment) -> Path:
file_path = Path(f"{filename}.rst").resolve()
file_path.parent.mkdir(parents=True, exist_ok=True)
file_path.write_text(text, encoding="utf-8")
# Add to files for builder
docnames.append(filename)
# Add to files for writer
env.found_docs.add(filename)
return file_path
def generate_subindices(
subindices: dict[str, str],
peps: list[PEP],
docnames: list[str],
env: BuildEnvironment,
) -> None:
# Create sub index page
generate_topic_contents(docnames, env)
for subindex, additional_description in subindices.items():
header_text = f"{subindex.title()} PEPs"
header_line = "#" * len(header_text)
header = header_text + "\n" + header_line + "\n"
topic = subindex.lower()
filtered_peps = [pep for pep in peps if topic in pep.topic]
subindex_intro = f"""\
This is the index of all Python Enhancement Proposals (PEPs) labelled
under the '{subindex.title()}' topic. This is a sub-index of :pep:`0`,
the PEP index.
{additional_description}
"""
subindex_text = writer.PEPZeroWriter().write_pep0(
filtered_peps, header, subindex_intro, is_pep0=False,
)
update_sphinx(f"topic/{subindex}", subindex_text, docnames, env)
def generate_topic_contents(docnames: list[str], env: BuildEnvironment):
update_sphinx("topic/index", """\
.. _topic-index:
Topic Index
***********
PEPs are indexed by topic on the pages below:
.. toctree::
:maxdepth: 1
:titlesonly:
:glob:
*
""", docnames, env)