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Generate release cycle chart and CSV
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‎Makefile‎

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@@ -38,6 +38,7 @@ help:
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@echo " linkcheck to check all external links for integrity"
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@echo " doctest to run all doctests embedded in the documentation (if enabled)"
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@echo " check to run a check for frequent markup errors"
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@echo " versions to update release cycle after changing release-cycle.json"
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.PHONY: clean
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clean: clean-venv
@@ -66,7 +67,7 @@ ensure-venv:
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fi
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.PHONY: html
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html: ensure-venv
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html: ensure-venv versions
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$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
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@echo
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@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
@@ -186,3 +187,17 @@ check: ensure-venv
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serve:
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@echo "The 'serve' target was removed, use 'htmlview' instead" \
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"(see https://github.com/python/cpython/issues/80510)"
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# TODO make.bat
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include/branches.csv: include/release-cycle.json
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$(PYTHON) generate-release-cycle.py
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include/end-of-life.csv: include/release-cycle.json
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$(PYTHON) generate-release-cycle.py
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include/release-cycle.mmd: include/release-cycle.json
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$(PYTHON) generate-release-cycle.py
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.PHONY: versions
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versions: include/branches.csv include/end-of-life.csv include/release-cycle.mmd
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@echo Release cycle data generated.

‎_static/devguide_overrides.css‎

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@@ -5,3 +5,68 @@
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width: 111px;
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height: 110px;
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}
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/* Release cycle chart */
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#python-release-cycle .mermaid .active0,
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#python-release-cycle .mermaid .active1,
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#python-release-cycle .mermaid .active2,
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#python-release-cycle .mermaid .active3 {
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fill: #00dd00;
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stroke: darkgreen;
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}
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#python-release-cycle .mermaid .done0,
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#python-release-cycle .mermaid .done1,
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#python-release-cycle .mermaid .done2,
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#python-release-cycle .mermaid .done3 {
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fill: orange;
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stroke: darkorange;
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}
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#python-release-cycle .mermaid .task0,
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#python-release-cycle .mermaid .task1,
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#python-release-cycle .mermaid .task2,
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#python-release-cycle .mermaid .task3 {
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fill: #007acc;
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stroke: #004455;
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}
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#python-release-cycle .mermaid .section0,
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#python-release-cycle .mermaid .section2 {
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fill: darkgrey;
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}
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/* Set master colours */
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:root {
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--mermaid-section1-3: white;
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--mermaid-text-color: black;
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}
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@media (prefers-color-scheme: dark) {
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body[data-theme=auto] {
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--mermaid-section1-3: black;
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--mermaid-text-color: #ffffffcc;
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}
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}
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body[data-theme=dark] {
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--mermaid-section1-3: black;
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--mermaid-text-color: #ffffffcc;
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}
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#python-release-cycle .mermaid .section1,
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#python-release-cycle .mermaid .section3 {
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fill: var(--mermaid-section1-3);
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}
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#python-release-cycle .mermaid .grid .tick text,
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#python-release-cycle .mermaid .sectionTitle0,
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#python-release-cycle .mermaid .sectionTitle1,
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#python-release-cycle .mermaid .sectionTitle2,
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#python-release-cycle .mermaid .sectionTitle3,
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#python-release-cycle .mermaid .taskTextOutside0,
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#python-release-cycle .mermaid .taskTextOutside1,
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#python-release-cycle .mermaid .taskTextOutside2,
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#python-release-cycle .mermaid .taskTextOutside3,
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#python-release-cycle .mermaid .titleText {
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fill: var(--mermaid-text-color);
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}

‎conf.py‎

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@@ -10,6 +10,7 @@
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'sphinx.ext.intersphinx',
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'sphinx.ext.todo',
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'sphinx_copybutton',
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'sphinxcontrib.mermaid',
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'sphinxext.rediraffe',
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]
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‎generate-release-cycle.py‎

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"""
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Read in a JSON and generate two CSVs and a Mermaid file
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"""
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from __future__ import annotations
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import csv
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import datetime as dt
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import json
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MERMAID_HEADER = """
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gantt
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dateFormat YYYY-MM-DD
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title Python release cycle
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axisFormat %Y
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""".lstrip()
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MERMAID_SECTION = """
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section Python {cycle}
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{release_status} :{mermaid_status} python{cycle}, {release_date},{eol}
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""" # noqa: E501
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MERMAID_STATUS_MAPPING = {
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"features": "",
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"bugfix": "active,",
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"security": "done,",
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"end-of-life": "crit,",
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}
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CSV_HEADER = (
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"Branch",
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"Schedule",
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"Status",
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"First release",
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"End-of-life",
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"Release manager",
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)
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def cycle(branch: str) -> str:
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"""Convert branch name to version number"""
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return "3.12" if branch == "main" else branch
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def pep(number: int) -> str:
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"""Format PEP number with Sphinx role"""
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return f":pep:`{number}`"
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def csv_date(date_str: str, now_str: str) -> str:
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"""Format a date for CSV"""
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if date_str > now_str:
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# Future, add italics
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return f"*{date_str}*"
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return date_str
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def mermaid_date(date_str: str) -> str:
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"""Format a date for Mermaid"""
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if len(date_str) == len("yyyy-mm"):
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# Mermaid needs a full yyyy-mm-dd, so let's approximate
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date_str = f"{date_str}-01"
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return date_str
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class Versions:
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"""For converting JSON to CSV and Mermaid"""
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def __init__(self) -> None:
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with open("include/release-cycle.json") as f:
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self.versions = json.load(f)
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def save_csv(self) -> None:
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"""Output CSV files"""
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now_str = str(dt.datetime.utcnow())
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with (
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open("include/branches.csv", "w", newline="") as file_branches,
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open("include/end-of-life.csv", "w", newline="") as file_eol,
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):
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csv_branches = csv.writer(file_branches, quoting=csv.QUOTE_MINIMAL)
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csv_eol = csv.writer(file_eol, quoting=csv.QUOTE_MINIMAL)
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csv_branches.writerow(CSV_HEADER)
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csv_eol.writerow(CSV_HEADER)
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sorted_versions = sorted(
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self.versions,
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key=lambda d: int(cycle(d["cycle"]).replace(".", "")),
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reverse=True,
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)
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for version in sorted_versions:
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row = (
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version["cycle"],
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pep(version["pep"]),
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version["status"],
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csv_date(version["releaseDate"], now_str),
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csv_date(version["eol"], now_str),
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version["releaseManager"],
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)
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if version["status"] == "end-of-life":
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csv_eol.writerow(row)
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else:
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csv_branches.writerow(row)
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def save_mermaid(self) -> None:
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"""Output Mermaid file"""
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out = [MERMAID_HEADER]
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for version in reversed(self.versions):
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v = MERMAID_SECTION.format(
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cycle=cycle(version["cycle"]),
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release_date=version["releaseDate"],
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eol=mermaid_date(version["eol"]),
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release_status=version["status"],
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mermaid_status=MERMAID_STATUS_MAPPING[version["status"]],
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)
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out.append(v)
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with open("include/release-cycle.mmd", "w") as f:
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f.writelines(out)
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def main() -> None:
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versions = Versions()
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versions.save_csv()
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versions.save_mermaid()
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if __name__ == "__main__":
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main()

‎include/branches.csv‎

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@@ -1,7 +1,7 @@
1-
Branch,Schedule,Status,First release,End-of-life,Release manager
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main,:pep:`693`,features,*2023-10-02*,*2028-10*,Thomas Wouters
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3.11,:pep:`664`,bugfix,2022-10-24,*2027-10*,Pablo Galindo Salgado
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3.10,:pep:`619`,bugfix,2021-10-04,*2026-10*,Pablo Galindo Salgado
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3.9,:pep:`596`,security,2020-10-05,*2025-10*,Łukasz Langa
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3.8,:pep:`569`,security,2019-10-14,*2024-10*,Łukasz Langa
7-
3.7,:pep:`537`,security,2018-06-27,*2023-06-27*,Ned Deily
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Branch,Schedule,Status,First release,End-of-life,Release manager
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main,:pep:`693`,features,*2023-10-02*,*2028-10*,Thomas Wouters
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3.11,:pep:`664`,bugfix,2022-10-24,*2027-10*,Pablo Galindo Salgado
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3.10,:pep:`619`,bugfix,2021-10-04,*2026-10*,Pablo Galindo Salgado
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3.9,:pep:`596`,security,2020-10-05,*2025-10*,Łukasz Langa
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3.8,:pep:`569`,security,2019-10-14,*2024-10*,Łukasz Langa
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3.7,:pep:`537`,security,2018-06-27,*2023-06-27*,Ned Deily

‎include/end-of-life.csv‎

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@@ -1,10 +1,10 @@
1-
Branch,Schedule,Status,First release,End-of-life,Release manager
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3.6,:pep:`494`,end-of-life,2016-12-23,2021-12-23,Ned Deily
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3.5,:pep:`478`,end-of-life,2015-09-13,2020-09-30,Larry Hastings
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3.4,:pep:`429`,end-of-life,2014-03-16,2019-03-18,Larry Hastings
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3.3,:pep:`398`,end-of-life,2012-09-29,2017-09-29,"Georg Brandl, Ned Deily (3.3.7+)"
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3.2,:pep:`392`,end-of-life,2011-02-20,2016-02-20,Georg Brandl
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3.1,:pep:`375`,end-of-life,2009-06-27,2012-04-09,Benjamin Peterson
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3.0,:pep:`361`,end-of-life,2008-12-03,2009-06-27,Barry Warsaw
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2.7,:pep:`373`,end-of-life,2010-07-03,2020-01-01,Benjamin Peterson
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2.6,:pep:`361`,end-of-life,2008-10-01,2013-10-29,Barry Warsaw
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Branch,Schedule,Status,First release,End-of-life,Release manager
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3.6,:pep:`494`,end-of-life,2016-12-23,2021-12-23,Ned Deily
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3.5,:pep:`478`,end-of-life,2015-09-13,2020-09-30,Larry Hastings
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3.4,:pep:`429`,end-of-life,2014-03-16,2019-03-18,Larry Hastings
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3.3,:pep:`398`,end-of-life,2012-09-29,2017-09-29,"Georg Brandl, Ned Deily (3.3.7+)"
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3.2,:pep:`392`,end-of-life,2011-02-20,2016-02-20,Georg Brandl
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3.1,:pep:`375`,end-of-life,2009-06-27,2012-04-09,Benjamin Peterson
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3.0,:pep:`361`,end-of-life,2008-12-03,2009-06-27,Barry Warsaw
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2.7,:pep:`373`,end-of-life,2010-07-03,2020-01-01,Benjamin Peterson
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2.6,:pep:`361`,end-of-life,2008-10-01,2013-10-29,Barry Warsaw

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