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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
"""
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Sphinx extension to add timestamps to release notes based on Git versions.
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Based on https://github.com/jaraco/rst.linker, with thanks to Jason R. Coombs.
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"""
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from __future__ import annotations
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import re
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import subprocess
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from sphinx.application import Sphinx
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DOC_NAME_REGEX = re.compile(r"releasenotes/\d+\.\d+\.\d+")
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VERSION_TITLE_REGEX = re.compile(r"^(\d+\.\d+\.\d+)\n-+\n")
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def get_date_for(git_version: str) -> str | None:
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cmd = ["git", "log", "-1", "--format=%ai", git_version]
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try:
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out = subprocess.check_output(
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cmd, stderr=subprocess.DEVNULL, text=True, encoding="utf-8"
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)
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except subprocess.CalledProcessError:
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return None
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return out.split()[0]
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def add_date(app: Sphinx, doc_name: str, source: list[str]) -> None:
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if DOC_NAME_REGEX.match(doc_name) and (m := VERSION_TITLE_REGEX.match(source[0])):
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old_title = m.group(1)
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if tag_date := get_date_for(old_title):
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new_title = f"{old_title} ({tag_date})"
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else:
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new_title = f"{old_title} (unreleased)"
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new_underline = "-" * len(new_title)
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result = source[0].replace(m.group(0), f"{new_title}\n{new_underline}\n", 1)
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source[0] = result
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def setup(app: Sphinx) -> dict[str, bool]:
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app.connect("source-read", add_date)
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return {"parallel_read_safe": True}
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