def add(self, obj, mdtype='updateinfo', all=False):
""" Parse a metadata from a given YumRepository, file, or filename. """
if not obj:
raise UpdateNoticeException
if type(obj) in (type(''), type(u'')):
infile = fileutils.decompress_open(obj)
elif isinstance(obj, YumRepository):
if obj.id not in self._repos:
self._repos.append(obj.id)
md = obj.retrieveMD(mdtype)
if not md:
raise UpdateNoticeException()
infile = fileutils.decompress_open(md)
else: # obj is a file object
infile = obj
for _event, elem in iterparse(infile):
if elem.tag == 'update':
un = UpdateNotice(elem)
key = un['update_id']
if all:
key = "%s-%s" % (un['update_id'], un['version'])
if not self._notices.has_key(key):
self._notices[key] = un
for pkg in un['pkglist']:
for pkgfile in pkg['packages']:
self._cache['%s-%s-%s' %
(pkgfile['name'], pkgfile['version'],
pkgfile['release'])] = un
no = self._no_cache.setdefault(
pkgfile['name'], set())
no.add(un)
def _filter_packages(packages, filters, exclude_only=False):
""" implement include / exclude logic
filters are: [ ('+', includelist1), ('-', excludelist1),
('+', includelist2), ... ]
"""
if filters is None:
return
selected = []
excluded = []
if exclude_only or filters[0][0] == '-':
# first filter is exclude, start with full package list
# and then exclude from it
selected = packages
else:
excluded = packages
for filter_item in filters:
sense, pkg_list = filter_item
if sense == '+':
if exclude_only:
continue
# include
exactmatch, matched, _unmatched = yum.packages.parsePackages(
excluded, pkg_list)
allmatched = yum.misc.unique(exactmatch + matched)
selected = yum.misc.unique(selected + allmatched)
for pkg in allmatched:
if pkg in excluded:
excluded.remove(pkg)
elif sense == '-':
# exclude
exactmatch, matched, _unmatched = yum.packages.parsePackages(
selected, pkg_list)
allmatched = yum.misc.unique(exactmatch + matched)
for pkg in allmatched:
if pkg in selected:
selected.remove(pkg)
excluded = yum.misc.unique(excluded + allmatched)
else:
raise UpdateNoticeException("Invalid filter sense: '%s'" %
sense)
return selected