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#!/usr/bin/env python3
import datetime
import os
import re
import markdown
import bs4
from lxml import etree
def parse_changelog(content):
for section in re.split("^## ", content.strip(), flags=re.MULTILINE)[1:]:
version, sep, description_md = section.partition("\n")
matchobj = re.match(
r"\[(?P<number>\d\.\d\.\d)\]\([^\)]+\)"
r"(?P<date>(?: \((?i:Unreleased|\d{4}-\d{2}-\d{2})\))?)",
version,
)
if not matchobj:
continue
attrib = {
"version": matchobj.group("number"),
}
try:
release_date = datetime.datetime.strptime(
matchobj.group("date"), " (%Y-%m-%d)"
).replace(tzinfo=datetime.timezone.utc)
except ValueError:
attrib["type"] = "development"
else:
attrib["type"] = "stable"
attrib["date"] = release_date.strftime("%Y-%m-%d")
attrib["timestamp"] = "{:.0f}".format(release_date.timestamp())
soup = bs4.BeautifulSoup(
markdown.markdown(description_md), "html.parser"
)
# The description tag contains HTML-like markup, but only supports a
# few select tags. Hence we need to strip some tags that are not
# supported.
#
# See the specification for details:
# https://freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-description
for tag in soup.find_all("a"):
tag.replace_with(tag.get_text())
for tag in soup.find_all("h3"):
new_tag = soup.new_tag("p")
new_tag.string = tag.get_text()
tag.replace_with(new_tag)
desc = soup.new_tag("description")
desc.extend(soup.contents)
release = etree.Element("release", attrib=attrib)
release.append(etree.fromstring(desc.prettify()))
yield release
def main(argv=None):
rootpath = os.path.join(os.path.dirname(__file__), "..")
metainfo_path = os.path.join(
rootpath, "res/linux/org.mixxx.Mixxx.metainfo.xml"
)
parser = etree.XMLParser(remove_blank_text=True, remove_comments=False)
tree = etree.parse(metainfo_path, parser)
root = tree.getroot()
releases = root.find("releases")
releases.clear()
with open(os.path.join(rootpath, "CHANGELOG.md"), mode="r") as fp:
for release in parse_changelog(fp.read()):
releases.append(release)
tree.write(
metainfo_path,
encoding="UTF-8",
xml_declaration=True,
pretty_print=True,
)
if __name__ == "__main__":
main()
|
