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trezor-firmware/tools/generate-changelog.py

154 lines
4.5 KiB
Python
Executable File

#!/usr/bin/env python3
import datetime
from pathlib import Path
import re
import subprocess
import click
LINK_RE = re.compile(r"\[#(\d+)\]")
ISSUE_URL = "https://github.com/trezor/trezor-firmware/pull/{issue}"
VERSION_HEADER_RE = re.compile(r"## \[([.0-9]+)\]")
DIFF_LINK = "[{new}]: https://github.com/trezor/trezor-firmware/compare/{tag_prefix}{old}...{tag_prefix}{new}\n"
def linkify_changelog(changelog_file, only_check=False):
links = {}
orig_links = {}
result_lines = []
with open(changelog_file, "r+") as changelog:
for line in changelog:
m = LINK_RE.match(line)
if m: # line *starts with* issue identifier
# keep existing links as-is
orig_links[int(m[1])] = line.replace(m[0] + ": ", "").strip()
else:
for issue in LINK_RE.findall(line):
links[int(issue)] = ISSUE_URL.format(issue=issue)
result_lines.append(line)
if only_check:
missing_links = set(links.keys()) - set(orig_links.keys())
if missing_links:
click.echo(f"missing links: {missing_links}")
return False
else:
return True
links.update(orig_links)
changelog.seek(0)
changelog.truncate(0)
for line in result_lines:
changelog.write(line)
for marker, url in sorted(links.items()):
changelog.write(f"[#{marker}]: {url}\n")
return True
def linkify_gh_diff(changelog_file, tag_prefix):
linkified = False
versions = []
result_lines = []
with open(changelog_file, "r+") as changelog:
for line in changelog:
m = VERSION_HEADER_RE.match(line)
if m:
versions.append(m[1])
result_lines.append(line)
changelog.seek(0)
changelog.truncate(0)
for line in result_lines:
changelog.write(line)
if not linkified and VERSION_HEADER_RE.match(line):
changelog.write(
DIFF_LINK.format(
tag_prefix=tag_prefix, new=versions[0], old=versions[1]
)
)
linkified = True
def current_date(project):
parts = project.parts
today = datetime.datetime.now()
if (
parts[-3:] == ("core", "embed", "boardloader")
or parts[-3:] == ("core", "embed", "bootloader")
or parts[-3:] == ("core", "embed", "bootloader_ci")
or parts[-2:] == ("legacy", "bootloader")
or parts[-2:] == ("legacy", "intermediate_fw")
):
return today.strftime("%B %Y")
elif parts[-1] == "python":
return today.strftime("%Y-%m-%d")
else:
daysuffix = {1: "st", 2: "nd", 3: "rd"}.get(today.day % 10, "th")
return today.strftime(f"%d{daysuffix} %B %Y")
@click.command()
@click.argument(
"project",
type=click.Path(exists=True, dir_okay=True, file_okay=False, resolve_path=True),
)
@click.argument(
"version",
type=str,
required=False,
)
@click.option("--date", help="Specify release date (default: today).")
@click.option(
"--check", is_flag=True, help="Dry run, do not actually create changelog."
)
def cli(project, version, date, check):
"""Generate changelog for given project (core, python, legacy/firmware,
legacy/bootloader).
- Run towncrier to assemble changelog from fragments in .changelog.d/.
- Find all occurences of "[#123]" in text, and add a Markdown link to the
referenced issue.
- Tell git to stage changed files.
"""
project = Path(project)
changelog = project / "CHANGELOG.md"
if not changelog.exists():
raise click.ClickException(f"{changelog} not found")
if version is None:
if not check:
raise click.ClickException("Version argument is required.")
version = "unreleased"
if date is None:
date = current_date(project)
args = ["towncrier", "build", "--yes", "--version", version, "--date", date]
if check:
args.append("--draft")
subprocess.run(args, cwd=project, check=True)
if not check:
linkify_changelog(changelog)
# python changelog has links to github diffs
if project.parts[-1] == "python":
linkify_gh_diff(changelog, tag_prefix="python/v")
# towncrier calls git add before we do linkification, stage the changes too
subprocess.run(["git", "add", changelog], check=True)
if __name__ == "__main__":
cli()