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#!/usr/bin/python
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# seth vidal 2005 (c) etc etc
import yum
import yum.Errors
from yum.misc import getCacheDir, to_unicode
from yum.comps import Comps, CompsException
from yum.Errors import RepoMDError
import sys
import os
import libxml2
import time
from optparse import OptionParser
class YumQuiet(yum.YumBase):
def __init__(self):
yum.YumBase.__init__(self)
def getRecent(self, days=1):
"""return most recent packages from sack"""
recent = []
now = time.time()
recentlimit = now-(days*86400)
ftimehash = {}
if self.conf.showdupesfromrepos:
avail = self.pkgSack.returnPackages()
else:
avail = self.pkgSack.returnNewestByNameArch()
for po in avail:
ftime = int(po.returnSimple('filetime'))
if ftime > recentlimit:
if ftime not in ftimehash:
ftimehash[ftime] = [po]
else:
ftimehash[ftime].append(po)
for sometime in ftimehash.keys():
for po in ftimehash[sometime]:
recent.append(po)
return recent
class RepoRSS:
def __init__(self, fn='repo-rss.xml'):
self.description = 'Repository RSS'
self.link = 'http://yum.baseurl.org'
self.title = 'Recent Packages'
self.doFile(fn)
self.doDoc()
def doFile(self, fn):
if fn[0] != '/':
cwd = os.getcwd()
self.fn = os.path.join(cwd, fn)
else:
self.fn = fn
try:
self.fo = open(self.fn, 'w')
except IOError, e:
print >> sys.stderr, "Error opening file %s: %s" % (self.fn, e)
sys.exit(1)
def doDoc(self):
"""sets up our doc and rssnode attribute initially, rssnode will be
redfined as we move along"""
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 startRSS(self):
"""return string representation of rss preamble"""
rfc822_format = "%a, %d %b %Y %X GMT"
now = time.strftime(rfc822_format, time.gmtime())
rssheader = """<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
<channel>
<title>%s</title>
<link>%s</link>
<description>%s</description>
<pubDate>%s</pubDate>
<generator>Yum</generator>
""" % (self.title, self.link, self.description, now)
self.fo.write(rssheader)
def doPkg(self, pkg, url):
item = self.rsspkg(pkg, url)
self.fo.write(item.serialize("utf-8", 1))
item.unlinkNode()
item.freeNode()
del item
def rsspkg(self, pkg, url):
"""takes a pkg object and repourl for the pkg object"""
rfc822_format = "%a, %d %b %Y %X GMT"
clog_format = "%a, %d %b %Y GMT"
escape = self.xmlescape
item = self.rssnode.newChild(None, 'item', None)
title = escape(str(pkg))
item.newChild(None, 'title', title)
date = time.gmtime(float(pkg.returnSimple('buildtime')))
item.newChild(None, 'pubDate', time.strftime(rfc822_format, date))
item.newChild(None, 'guid', pkg.returnSimple('id')).setProp("isPermaLink", "false")
link = url + '/' + pkg.returnSimple('relativepath')
item.newChild(None, 'link', escape(link))
# build up changelog
changelog = ''
cnt = 0
if (pkg.changelog != None):
where = pkg.changelog
else:
where = pkg.returnChangelog()
for e in where:
cnt += 1
if cnt > 3:
changelog += '...'
break
(date, author, desc) = e
date = time.strftime(clog_format, time.gmtime(float(date)))
changelog += '%s - %s\n%s\n\n' % (date, author, desc)
description = '<p><strong>%s</strong> - %s</p>\n\n' % (escape(pkg.name),
escape(pkg.returnSimple('summary')))
description += '<p>%s</p>\n\n<p><strong>Change Log:</strong></p>\n\n' % escape(to_unicode(pkg.returnSimple('description')).encode('utf-8').replace("\n", "<br />\n"))
description += escape('<pre>%s</pre>' % escape(to_unicode(changelog).encode('utf-8')))
item.newChild(None, 'description', description)
return item
def closeRSS(self):
"""end the rss output"""
end="\n </channel>\n</rss>\n"
self.fo.write(end)
self.fo.close()
del self.fo
self.doc.freeDoc()
del self.doc
def makeFeed(filename, title, link, description, recent, my):
rssobj = RepoRSS(fn=filename)
rssobj.title = title
rssobj.link = link
rssobj.description = description
rssobj.startRSS()
# take recent updates only and dump to an rss compat output
if len(recent) > 0:
for pkg in recent:
repo = my.repos.getRepo(pkg.repoid)
url = repo.urls[0]
rssobj.doPkg(pkg, url)
rssobj.closeRSS()
def main(options, args):
days = options.days
repoids = args
my = YumQuiet()
if options.config:
my.doConfigSetup(init_plugins=False, fn=options.config)
else:
my.doConfigSetup(init_plugins=False)
if os.geteuid() != 0 or options.tempcache:
cachedir = getCacheDir()
if cachedir is None:
print "Error: Could not make cachedir, exiting"
sys.exit(50)
my.repos.setCacheDir(cachedir)
if len(repoids) > 0:
for repo in my.repos.repos.values():
if repo.id not in repoids:
repo.disable()
else:
repo.enable()
try:
my._getRepos()
except yum.Errors.RepoError, e:
print >> sys.stderr, '%s' % e
print 'Cannot continue'
sys.exit(1)
print 'Reading in repository metadata - please wait....'
if len(options.arches):
my._getSacks(archlist=options.arches)
else:
my._getSacks()
for repo in my.repos.listEnabled():
try:
my.repos.populateSack(which=[repo.id], mdtype='otherdata')
except yum.Errors.RepoError, e:
print >> sys.stderr, 'otherdata not available for repo: %s' % repo
print >> sys.stderr, 'run as root to get changelog data'
sys.exit(1)
recent = my.getRecent(days=days)
recent.sort(key=lambda pkg: pkg.returnSimple('filetime'))
recent.reverse()
if options.groups:
comps = Comps()
for repo in my.repos.listEnabled():
try:
groupsfn = repo.getGroups()
except RepoMDError: # no comps.xml file
groupsfn = None
if not groupsfn:
continue
try:
comps.add(groupsfn)
except (AttributeError, CompsException):
print 'Error parsing comps file %s !' % groupsfn
print 'Multiple feed generation impossible.'
sys.exit(1)
for group in comps.groups:
grouppkgs = group.optional_packages.keys() + group.default_packages.keys() + group.conditional_packages.keys()
title = "%s - %s" % (options.title, group.name)
description = "%s. %s" % (options.description, group.name)
filename = "%s.xml" % group.groupid
packages = [ pkg for pkg in recent if pkg.name in grouppkgs ]
makeFeed(filename, title, options.link, description, packages, my)
# Always make a full feed
makeFeed(options.filename, options.title, options.link, options.description, recent, my)
if __name__ == "__main__":
usage = "repo-rss.py [options] repoid1 repoid2"
parser = OptionParser(usage=usage)
parser.add_option("-f", action="store", type="string", dest="filename",
default='repo-rss.xml', help="filename to write rss to: %default")
parser.add_option("-l", action="store", type='string', dest='link',
default='http://yum.baseurl.org',
help="url for rss feed link: %default")
parser.add_option("-t", action='store', type='string', dest='title',
default="RSS Repository - Recent Packages",
help='Title for Rss feed: %default')
parser.add_option("-d", action='store', type='string', dest='description',
default="Most recent packages in Repositories",
help='description of feed: %default')
parser.add_option('-r', action='store', type='int', dest='days', default=3,
help='most recent (in days): %default')
parser.add_option("--tempcache", default=False, action="store_true",
help="Use a temp dir for storing/accessing yum-cache")
parser.add_option("-g", action='store_true', dest='groups', default=False,
help="Generate one feed per package group")
parser.add_option("-a", action='append', dest='arches', default=[],
help="arches to use - can be listed more than once")
parser.add_option("-c", action='store', dest='config', default=None,
help="config file")
(options, args) = parser.parse_args()
main(options, args)