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# Copyright (C) 2009 One Laptop Per Child
# Licensed under the terms of the GNU GPL v2 or later; see COPYING for details.
import os
import sys
import ooblib
import urllib2
from gzip import GzipFile
from StringIO import StringIO
excludepkgs = set()
addexcludes = ooblib.read_config('repos', 'add_excludes_to')
fedora = ooblib.read_config('repos', 'fedora')
fver = ooblib.read_config('global', 'fedora_release').strip()
farch = ooblib.read_config('repos', 'fedora_arch')
if farch:
farch = farch.strip()
def add_to_excludes(baseurl, addexcludes):
print >>sys.stderr, "Reading repository information for", baseurl
repomd = ooblib.get_repomd(baseurl)
url = baseurl + '/' + repomd['primary']
print >>sys.stderr, "Reading package information from", url
fd = urllib2.urlopen(url)
data = fd.read()
fd.close()
fd = GzipFile(fileobj=StringIO(data))
ooblib.add_packages_from_xml(fd, addexcludes, farch)
# clean up addexcludes list
if addexcludes is not None:
addexcludes = addexcludes.split(',')
for idx, excl in enumerate(addexcludes):
excl = excl.strip()
# Support hyphenated fedora repo notation, as this matches the
# default files in /etc/yum.repos.d
if excl == 'fedora-updates-testing':
excl = 'fedora_updates_testing'
elif excl == 'fedora-updates':
excl = 'fedora_updates'
addexcludes[idx] = excl
else:
addexcludes = []
repos = {}
# cycle over all 3 repos types, adding them to repos
# add things to exclude list on-the-fly
for key, value in os.environ.iteritems():
if key.startswith("CFG_repos__olpc_frozen_"):
for_excludes, name = value.split(',', 1)
for_excludes = int(for_excludes)
url = "http://mock.laptop.org/repos/%s" % name
if for_excludes:
add_to_excludes(url, excludepkgs)
repos[name] = ("baseurl", url)
elif key.startswith("CFG_repos__olpc_publicrpms_"):
for_excludes, name = value.split(',', 1)
for_excludes = int(for_excludes)
url = "http://rpmdropbox.laptop.org/%s" % name
if for_excludes:
add_to_excludes(url, excludepkgs)
repos[name] = ("baseurl", url)
elif key.startswith("CFG_repos__custom_repo_"):
for_excludes, name, url = value.split(',', 2)
for_excludes = int(for_excludes)
if for_excludes:
add_to_excludes(url, excludepkgs)
repos[name] = ("baseurl", url)
FEDORA_URLS = {
'fedora' : 'http://mirrors.fedoraproject.org/mirrorlist?repo=fedora-%(version)s&arch=%(arch)s',
'fedora_updates' : 'http://mirrors.fedoraproject.org/mirrorlist?repo=updates-released-f%(version)s&arch=%(arch)s',
'fedora_updates_testing' : 'http://mirrors.fedoraproject.org/mirrorlist?repo=updates-testing-f%(version)s&arch=%(arch)s',
'rawhide' : 'http://mirrors.fedoraproject.org/mirrorlist?repo=rawhide&arch=%(arch)s',
}
def get_fedora_repo(name, version, arch):
override_url = ooblib.read_config('repos', 'url_%s' % name)
if override_url is not None:
return "baseurl", override_url
if name not in FEDORA_URLS:
return None, None
return "mirrorlist", FEDORA_URLS[name] % { 'version': version, 'arch': arch }
if fedora is not None:
for repo in fedora.split(','):
repo = repo.strip().replace('-', '_')
repotype, url = get_fedora_repo(repo, fver, farch)
if repotype:
repos[repo] = (repotype, url)
else:
print >>sys.stderr, "Unknown Fedora repo:", repo
# generate repo lines including excludes
excludepkgs = list(excludepkgs)
excludepkgs.sort()
for key, value in repos.iteritems():
sys.stdout.write("repo --name=%s " % key)
if value[0] == "mirrorlist":
sys.stdout.write("--mirrorlist=%s" % value[1])
else:
sys.stdout.write("--baseurl=%s" % value[1])
if len(excludepkgs) > 0 and key in addexcludes:
sys.stdout.write(" --excludepkgs=%s" % ','.join(excludepkgs))
sys.stdout.write("\n")
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