/usr/lib/python2.7/dist-packages/createrepo/merge.py is in createrepo 0.10.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | #!/usr/bin/python -tt
# 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2008 Red Hat, Inc - written by seth vidal skvidal at fedoraproject.org
# merge repos from arbitrary repo urls
import os
import shutil
import yum
import yum.Errors
from yum.misc import unique, getCacheDir
import yum.update_md
import rpmUtils.arch
import operator
from utils import MDError
import createrepo
import tempfile
# take repo paths from cli
# produce new repo metadata from merging the two together.
#TODO:
# excludes?
class RepoMergeBase:
def __init__(self, repolist=[], yumbase=None, mdconf=None, mdbase_class=None ):
self.repolist = repolist
self.outputdir = '%s/merged_repo' % os.getcwd()
self.exclude_tuples = []
self.sort_func = self._sort_func # callback function to magically sort pkgs
if not mdconf:
self.mdconf = createrepo.MetaDataConfig()
else:
self.mdconf = mdconf
if not mdbase_class:
self.mdbase_class = createrepo.MetaDataGenerator
else:
self.mdbase_class = mdbase_class
if not yumbase:
self.yumbase = yum.YumBase()
else:
self.yumbase = yumbase
self.yumbase.conf.cachedir = getCacheDir()
self.yumbase.conf.cache = 0
# default to all arches
self.archlist = unique(rpmUtils.arch.arches.keys() + rpmUtils.arch.arches.values())
self.groups = True
self.updateinfo = True
def _sort_func(self, repos):
"""Default sort func for repomerge. Takes a list of repository objects
any package which is not to be included in the merged repo should be
delPackage()'d"""
# sort the repos by _merge_rank
# - lowest number is the highest rank (1st place, 2ndplace, etc)
repos.sort(key=operator.attrgetter('_merge_rank'))
for repo in repos:
for pkg in repo.sack:
others = self.yumbase.pkgSack.searchNevra(pkg.name, pkg.epoch, pkg.version, pkg.release, pkg.arch)
if len(others) > 1:
for thatpkg in others:
if pkg.repoid == thatpkg.repoid: continue
if pkg.repo._merge_rank < thatpkg.repo._merge_rank:
thatpkg.repo.sack.delPackage(thatpkg)
def merge_repos(self):
self.yumbase.repos.disableRepo('*')
# add our repos and give them a merge rank in the order they appear in
# in the repolist
count = 0
for r in self.repolist:
if ':' not in r:
r = os.path.abspath(r)
r = 'file://' + r # just fix the file repos, this is silly.
count +=1
rid = 'repo%s' % count
n = self.yumbase.add_enable_repo(rid, baseurls=[r],
metadata_expire=0,
timestamp_check=False)
n._merge_rank = count
#setup our sacks
try:
self.yumbase._getSacks(archlist=self.archlist)
except yum.Errors.RepoError, e:
raise MDError, "Could not setup merge repo pkgsack: %s" % e
myrepos = self.yumbase.repos.listEnabled()
self.sort_func(myrepos)
def write_metadata(self, outputdir=None):
mytempdir = tempfile.mkdtemp()
if self.groups:
try:
comps_fn = mytempdir + '/groups.xml'
compsfile = open(comps_fn, 'w')
compsfile.write(self.yumbase.comps.xml())
compsfile.close()
except yum.Errors.GroupsError, e:
# groups not being available shouldn't be a fatal error
pass
else:
self.mdconf.groupfile=comps_fn
if self.updateinfo:
ui_fn = mytempdir + '/updateinfo.xml'
uifile = open(ui_fn, 'w')
umd = yum.update_md.UpdateMetadata()
for repo in self.yumbase.repos.listEnabled():
try: # attempt to grab the updateinfo.xml.gz from the repodata
umd.add(repo)
except yum.Errors.RepoMDError:
continue
umd.xml(fileobj=uifile)
uifile.close()
self.mdconf.additional_metadata['updateinfo'] = ui_fn
self.mdconf.pkglist = self.yumbase.pkgSack
self.mdconf.directory = self.outputdir
if outputdir:
self.mdconf.directory = outputdir
# clean out what was there
if os.path.exists(self.mdconf.directory + '/repodata'):
shutil.rmtree(self.mdconf.directory + '/repodata')
if not os.path.exists(self.mdconf.directory):
os.makedirs(self.mdconf.directory)
mdgen = self.mdbase_class(config_obj=self.mdconf)
mdgen.doPkgMetadata()
mdgen.doRepoMetadata()
mdgen.doFinalMove()
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