make an rss feeder thingy missing features
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@ -13,3 +13,4 @@ Directories
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-----------
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* generators -> A directory of python and bash scripts for pungi/peridot data generation
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* ipa -> IPA specific scripts and utilities
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219
mangle/generators/rss.py
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219
mangle/generators/rss.py
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@ -0,0 +1,219 @@
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#!/usr/bin/env python3
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# -*-:python; coding:utf-8; -*-
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# author: Louis Abel <label@rockylinux.org>
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# modified version of repo-rss from yum utils
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import sys
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import os
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import argparse
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import time
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import binascii
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import dnf
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import dnf.exceptions
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#from dnf.comps import Comps
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import libxml2
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def to_unicode(string: str) -> str:
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"""
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Convert to unicode
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"""
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if isinstance(string, bytes):
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return string.decode('utf8')
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if isinstance(string, str):
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return string
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return str(string)
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class DnfQuiet(dnf.Base):
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"""
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DNF object
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"""
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def __init__(self):
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dnf.Base.__init__(self)
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def get_recent(self, days=1):
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"""
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Return most recent packages from dnf sack
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"""
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recent = []
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now = time.time()
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recentlimit = now-(days*86400)
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ftimehash = {}
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if self.conf.showdupesfromrepos:
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available = self.sack.query().available().filter()
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else:
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available = self.sack.query().available().filter(latest_per_arch=1)
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for package in available:
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ftime = int(package.buildtime)
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if ftime > recentlimit:
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if ftime not in ftimehash:
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ftimehash[ftime] = [package]
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else:
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ftimehash[ftime].append(package)
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for sometime in ftimehash.keys():
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for package in ftimehash[sometime]:
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recent.append(package)
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return recent
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class RepoRSS:
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def __init__(self, filename='repo-rss.xml'):
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self.description = 'Repository RSS'
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self.link = 'http://dnf.baseurl.org'
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self.title = 'Recent Packages'
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self.do_file(filename)
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self.do_doc()
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def do_doc(self):
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self.doc = libxml2.newDoc('1.0')
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self.xmlescape = self.doc.encodeEntitiesReentrant
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rss = self.doc.newChild(None, 'rss', None)
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rss.setProp('version', '2.0')
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self.rssnode = rss.newChild(None, 'channel', None)
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def do_file(self, filename):
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if filename[0] != '/':
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cwd = os.getcwd()
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self.filename = os.path.join(cwd, filename)
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else:
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self.filename = filename
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try:
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self.file_open = open(self.filename, 'w+')
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except IOError as exc:
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print(f'Error opening file {self.filename}: {exc}', file=sys.stderr)
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sys.exit(1)
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def rsspackage(self, package):
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rfc822_format = "%a, %d %b %Y %X GMT"
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changelog_format = "%a, %d %b %Y GMT"
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package_hex = binascii.hexlify(package.chksum[1]).decode()
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item = self.rssnode.newChild(None, 'item', None)
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title = self.xmlescape(str(package))
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description = package.description
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item.newChild(None, 'title', title)
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date = time.gmtime(float(package.buildtime))
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item.newChild(None, 'pubDate', time.strftime(rfc822_format, date))
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# pylint: disable=line-too-long
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item.newChild(None, 'guid', package_hex).setProp("isPermaLink", "false")
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link = package.remote_location()
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item.newChild(None, 'link', self.xmlescape(link))
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changelog = ''
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cnt = 0
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if package.changelogs is not None:
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changelog_list = package.changelogs
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else:
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changelog_list = []
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for meta in changelog_list:
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count += 1
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if count > 3:
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changelog += '...'
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break
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(date, author, desc) = meta
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date = time.strftime(changelog_format, time.gmtime(float(date)))
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changelog += f'{date} - {author}\n{desc}\n\n'
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# pylint: disable=line-too-long,consider-using-f-string
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description = '<p><strong>{}</strong> - {}</p>\n\n'.format(self.xmlescape(package.name), self.xmlescape(package.summary))
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description += '<p>%s</p>\n\n<p><strong>Change Log:</strong></p>\n\n' % self.xmlescape(description.replace("\n", "<br />\n"))
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description += self.xmlescape('<pre>%s</pre>' % self.xmlescape(changelog))
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item.newChild(None, 'description', description)
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return item
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def start_rss(self):
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"""return string representation of rss preamble"""
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rfc822_format = "%a, %d %b %Y %X GMT"
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now = time.strftime(rfc822_format, time.gmtime())
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rssheader = f"""<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0">
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<channel>
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<title>{self.title}</title>
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<link>{self.link}</link>
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<description>{self.description}</description>
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<pubDate>{now}</pubDate>
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<generator>DNF</generator>
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"""
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self.file_open.write(rssheader)
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def do_package(self, package):
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item = self.rsspackage(package)
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self.file_open.write(item.serialize("utf-8", 1))
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item.unlinkNode()
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item.freeNode()
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del item
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def close_rss(self):
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end="\n </channel>\n</rss>\n"
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self.file_open.write(end)
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self.file_open.close()
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del self.file_open
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self.doc.freeDoc()
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del self.doc
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def make_rss_feed(filename, title, link, description, recent, dnfobj):
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rssobj = RepoRSS(filename)
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rssobj.title = title
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rssobj.link = link
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rssobj.description = description
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rssobj.start_rss()
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if len(recent) > 0:
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for package in recent:
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rssobj.do_package(package)
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rssobj.close_rss()
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def main(options):
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days = options.days
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repoids = options.repoids
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dnfobj = DnfQuiet()
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if options.config:
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dnfobj.conf.read(filename=options.config)
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if os.geteuid() != 0 or options.tempcache:
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cachedir = dnfobj.conf.cachedir
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if cachedir is None:
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print('Error: Could not make cachedir')
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sys.exit(50)
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dnfobj.conf.cachedir = cachedir
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try:
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dnfobj.read_all_repos()
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except:
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print('Could not read repos', file=sys.stderr)
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sys.exit(1)
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if len(repoids) > 0:
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for repo in dnfobj.repos:
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repoobj = dnfobj.repos[repo]
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if repo not in repoids:
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repoobj.disable()
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else:
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repoobj.enable()
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print('Getting repo data')
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try:
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dnfobj.fill_sack()
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except:
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print('repo data failure')
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sys.exit(1)
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sack_query = dnfobj.sack.query().available()
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recent = sack_query.filter(latest_per_arch=1)
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sorted_recents = sorted(set(recent.run()), key=lambda pkg: pkg.buildtime)
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sorted_recents.reverse()
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make_rss_feed(options.filename, options.title, options.link, options.description, sorted_recents, dnfobj)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('--filename', type=str, default='repo-rss.xml')
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parser.add_argument('--link', type=str, default='http://yum.baseurl.org')
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parser.add_argument('--title', type=str, default='RSS Repository - Recent Packages')
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parser.add_argument('--description', type=str, default='Most recent packages in Repositories')
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parser.add_argument('--days', type=int, default=7)
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parser.add_argument('--tempcache', action='store_true')
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parser.add_argument('--arches', action='append', default=[])
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parser.add_argument('--config', type=str, default='')
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parser.add_argument('repoids', metavar='N', type=str, nargs='+')
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results = parser.parse_args()
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main(results)
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