77 lines
2.5 KiB
Python
Executable file
77 lines
2.5 KiB
Python
Executable file
#!/usr/bin/env python3
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import re
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import datetime
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from xml.etree import ElementTree as ET
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import argparse
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def parse_changelog(changelog_path):
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version_re = re.compile(r'([\d.-]+)\s+(\w+)?\s*\((\d{2}.\d{2}\.\d{2})\)')
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entry_re = re.compile(r'-\s(.*)')
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with open(changelog_path, "r", encoding="utf-8") as f:
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changelog_lines = f.read().splitlines()
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releases = []
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for l in changelog_lines:
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version_match = version_re.match(l)
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entry_match = entry_re.match(l)
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if version_match is not None:
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version, prerelease, date = version_match.groups()
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release = (version,
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prerelease,
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datetime.datetime.strptime(date, '%d.%m.%y').date(),
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[])
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releases.append(release)
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elif entry_match is not None:
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release[3].append(entry_match.group(1))
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return releases
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def get_release_xml(version, prerelease, date, changes):
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release = ET.Element("release")
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if prerelease is None:
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ver_str = version
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else:
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ver_str = f"{version}~{prerelease}"
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release.set("version", ver_str)
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release.set("date", date.isoformat())
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description = ET.SubElement(release, "description")
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changelist = ET.SubElement(description, "ul")
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for c in changes:
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change = ET.SubElement(changelist, "li")
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change.text = c
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return release
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def get_changelog_xml(changelog, max_items=None):
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releases = ET.Element("releases")
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if max_items is not None:
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changelog = changelog[:max_items]
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for rel in changelog:
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release = get_release_xml(*rel)
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releases.append(release)
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return releases
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def update_appdata(appdata_path, changelog, max_items=None):
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appdata = ET.parse(appdata_path)
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root = appdata.getroot()
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releases = root.find("releases")
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if releases is not None:
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root.remove(releases)
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root.append(
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get_changelog_xml(changelog, max_items)
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)
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appdata.write(appdata_path, encoding="utf-8", xml_declaration=True)
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def main():
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ap = argparse.ArgumentParser("Parse Telegram changelog")
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ap.add_argument("-c", "--changelog-path", default="changelog.txt")
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ap.add_argument("-a", "--appdata-path", default="lib/xdg/telegramdesktop.metainfo.xml")
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ap.add_argument("-n", "--num-releases", type=int, default=None)
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args = ap.parse_args()
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update_appdata(args.appdata_path,
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parse_changelog(args.changelog_path),
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max_items=args.num_releases)
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if __name__ == "__main__":
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main()
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