#!/usr/bin/env python3 # -*-:python; coding:utf-8; -*- # author: Louis Abel # modified version of repo-rss from yum utils import sys import os import argparse import time import binascii import dnf import dnf.exceptions #from dnf.comps import Comps import libxml2 def to_unicode(string: str) -> str: """ Convert to unicode """ if isinstance(string, bytes): return string.decode('utf8') if isinstance(string, str): return string return str(string) class DnfQuiet(dnf.Base): """ DNF object """ def __init__(self): dnf.Base.__init__(self) def get_recent(self, days=1): """ Return most recent packages from dnf sack """ recent = [] now = time.time() recentlimit = now-(days*86400) ftimehash = {} if self.conf.showdupesfromrepos: available = self.sack.query().available().filter() else: available = self.sack.query().available().filter(latest_per_arch=1) for package in available: ftime = int(package.buildtime) if ftime > recentlimit: if ftime not in ftimehash: ftimehash[ftime] = [package] else: ftimehash[ftime].append(package) for sometime in ftimehash.keys(): for package in ftimehash[sometime]: recent.append(package) return recent class RepoRSS: def __init__(self, filename='repo-rss.xml'): self.description = 'Repository RSS' self.link = 'http://dnf.baseurl.org' self.title = 'Recent Packages' self.do_file(filename) self.do_doc() def do_doc(self): self.doc = libxml2.newDoc('1.0') self.xmlescape = self.doc.encodeEntitiesReentrant rss = self.doc.newChild(None, 'rss', None) rss.setProp('version', '2.0') self.rssnode = rss.newChild(None, 'channel', None) def do_file(self, filename): if filename[0] != '/': cwd = os.getcwd() self.filename = os.path.join(cwd, filename) else: self.filename = filename try: self.file_open = open(self.filename, 'w+') except IOError as exc: print(f'Error opening file {self.filename}: {exc}', file=sys.stderr) sys.exit(1) def rsspackage(self, package): rfc822_format = "%a, %d %b %Y %X GMT" changelog_format = "%a, %d %b %Y GMT" package_hex = binascii.hexlify(package.chksum[1]).decode() item = self.rssnode.newChild(None, 'item', None) title = self.xmlescape(str(package)) description = package.description item.newChild(None, 'title', title) date = time.gmtime(float(package.buildtime)) item.newChild(None, 'pubDate', time.strftime(rfc822_format, date)) # pylint: disable=line-too-long item.newChild(None, 'guid', package_hex).setProp("isPermaLink", "false") link = package.remote_location() item.newChild(None, 'link', self.xmlescape(link)) changelog = '' count = 0 if package.changelogs is not None: changelog_list = package.changelogs else: changelog_list = [] for meta in changelog_list: count += 1 if count > 3: changelog += '...' break date = meta['timestamp'].strftime(changelog_format) author = meta['author'] desc = meta['text'] changelog += f'{date} - {author}\n{desc}\n\n' # pylint: disable=line-too-long,consider-using-f-string description = '

{} - {}

\n\n'.format(self.xmlescape(package.name), self.xmlescape(package.summary)) description += '

%s

\n\n

Change Log:

\n\n' % self.xmlescape(description.replace("\n", "
\n")) description += self.xmlescape('
%s
' % self.xmlescape(changelog)) item.newChild(None, 'description', description) return item def start_rss(self): """return string representation of rss preamble""" rfc822_format = "%a, %d %b %Y %X GMT" now = time.strftime(rfc822_format, time.gmtime()) rssheader = f""" {self.title} {self.link} {self.description} {now} DNF """ self.file_open.write(rssheader) def do_package(self, package): item = self.rsspackage(package) self.file_open.write(item.serialize("utf-8", 1)) item.unlinkNode() item.freeNode() del item def close_rss(self): end="\n \n\n" self.file_open.write(end) self.file_open.close() del self.file_open self.doc.freeDoc() del self.doc def make_rss_feed(filename, title, link, description, recent, dnfobj): rssobj = RepoRSS(filename) rssobj.title = title rssobj.link = link rssobj.description = description rssobj.start_rss() if len(recent) > 0: for package in recent: rssobj.do_package(package) rssobj.close_rss() def main(options): days = options.days repoids = options.repoids dnfobj = DnfQuiet() if options.config: dnfobj.conf.read(filename=options.config) if os.geteuid() != 0 or options.tempcache: cachedir = dnfobj.conf.cachedir if cachedir is None: print('Error: Could not make cachedir') sys.exit(50) dnfobj.conf.cachedir = cachedir try: dnfobj.read_all_repos() except: print('Could not read repos', file=sys.stderr) sys.exit(1) if len(repoids) > 0: for repo in dnfobj.repos: repoobj = dnfobj.repos[repo] if repo not in repoids: repoobj.disable() else: repoobj.enable() if options.module_hotfixes: try: repoobj.set_or_append_opt_value('module_hotfixes', '1') except: print('Warning: dnf library is too old to support setting values') repoobj.load_metadata_other = True print('Getting repo data') try: dnfobj.fill_sack() except: print('repo data failure') sys.exit(1) sack_query = dnfobj.sack.query().available() recent = sack_query.filter(latest_per_arch=1) sorted_recents = sorted(set(recent.run()), key=lambda pkg: pkg.buildtime) sorted_recents.reverse() make_rss_feed(options.filename, options.title, options.link, options.description, sorted_recents, dnfobj) if __name__ == "__main__": parser = argparse.ArgumentParser() parser.add_argument('--filename', type=str, default='repo-rss.xml', help='File patch to export to') parser.add_argument('--link', type=str, default='http://yum.baseurl.org', help='URL link to repository root') parser.add_argument('--title', type=str, default='RSS Repository - Recent Packages', help='Title of the feed') parser.add_argument('--description', type=str, default='Most recent packages in Repositories', help='Description of the feed') parser.add_argument('--days', type=int, default=7, help='Number of days to look back') parser.add_argument('--tempcache', action='store_true', help='Temporary cache location (automatically on if not root)') parser.add_argument('--module-hotfixes', action='store_true', help='Only use this to catch all module packages') parser.add_argument('--arches', action='append', default=[], help='List of architectures to care about') parser.add_argument('--config', type=str, default='', help='A dnf configuration to use if you do not want to use the default') parser.add_argument('repoids', metavar='N', type=str, nargs='+') results = parser.parse_args() main(results)