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[ edit: yum-groups-manager ]
#!/usr/bin/python -tt import os import sys import re import string import optparse import gzip import yum from yum.i18n import to_unicode import yum.comps sys.path.insert(0, '/usr/share/yum-cli') import output from urlgrabber.progress import TextMeter def setup_opts(): version = "0.0.1" vers_txt = "Manage yum groups metadata version %s" % version usage_txt = "%prog [pkg-wildcard]..." parser = optparse.OptionParser(usage = usage_txt, version = vers_txt) parser.add_option("-n", "--name", help="group name") parser.add_option("--id", help="group id") parser.add_option("--mandatory", action="store_true", help="make the package names be in the mandatory section") parser.add_option("--optional", action="store_true", help="make the package names be in the optional section") parser.add_option("--dependencies", action="store_true", help="add the dependencies for this package") parser.add_option("--user-visible", dest="user_visible", action="store_true", default=None, help="make this a user visible group (default)") parser.add_option("--not-user-visible", dest="user_visible", action="store_false", default=None, help="make this a non-user visible group") parser.add_option("--description", help="description for the group") parser.add_option("--display-order", help="sort order override") parser.add_option("--load", action="append", default=[], help="load groups metadata from file") parser.add_option("--save", action="append", default=[], help="save groups metadata to file (don't print)") parser.add_option("--merge", help="load and save groups metadata to file (don't print)") parser.add_option("--print", dest="print2stdout", action="store_true", default=None, help="print the result to stdout") parser.add_option("--remove", action="store_true", default=False, help="remove the listed package instead of adding them") parser.add_option("--translated-name", action="append", dest="i18nname", help="name for the group, translated") parser.add_option("--translated-description", action="append", dest="i18ndescription", help="description for the group, translated") # Generic options parser.add_option("--quiet", action="store_true", help="quiet (no output to stderr)", default=False) parser.add_option("--verbose", action="store_false", help="verbose output", dest="quiet") parser.add_option("--enablerepo", action="append", dest="enablerepos", help="specify repoids to query, can be specified multiple times (default is all enabled)") parser.add_option("--disablerepo", action="append", dest="disablerepos", help="specify repoids to disable, can be specified multiple times") # tmprepo etc. parser.add_option("--noplugins", action="store_false", default=True, dest="plugins", help="disable yum plugin support") parser.add_option("-C", "--cache", action="store_true", help="run from cache only") parser.add_option("--tempcache", action="store_true", help="use private cache (default when used as non-root)") parser.add_option("-c", "--config", dest="conffile", help="config file location") return parser def trans_data(yb, inp): data = inp.split(':', 2) if len(data) != 2: yb.logger.error("Error: Incorrect translated data, should be: 'lang:text'") sys.exit(50) lang, text = data alnum = string.ascii_letters + string.digits lang = re.sub('[^-' + alnum + '_.@]', '', lang) if not lang: yb.logger.error("Error: Incorrect/empty language for translated data") sys.exit(50) return lang, to_unicode(text) __req2pkgs = {} def req2pkgs(yb, req): global __req2pkgs req = str(req) if req in __req2pkgs: return __req2pkgs[req] providers = [] try: # XXX rhbz#246519, for some reason returnPackagesByDep() fails # to find some root level directories while # searchPackageProvides() does... use that for now matches = yb.searchPackageProvides([req]) providers = matches.keys() # provider.extend(yum.YumBase.returnPackagesByDep(self, depstring)) except yum.Errors.YumBaseError, err: yb.logger.error("No package provides %s" % req) return [] __req2pkgs[req] = providers return providers def txt2id(txt): groupid = txt.lower() alnum = string.ascii_lowercase + string.digits groupid = re.sub('[^-' + alnum + '_.:]', '', groupid) return groupid def main(): parser = setup_opts() (opts, args) = parser.parse_args() comps = yum.comps.Comps() # Borrowing large sections from repoquery/pkg-tree etc. initnoise = (not opts.quiet) * 2 yb = yum.YumBase() if opts.conffile is not None: yb.preconf.fn = opts.conffile yb.preconf.debuglevel = initnoise yb.preconf.init_plugins = opts.plugins yb.conf # Show what is going on, if --quiet is not set. if not opts.quiet and sys.stdout.isatty(): yb.repos.setProgressBar(TextMeter(fo=sys.stdout)) yb.repos.callback = output.CacheProgressCallback() yumout = output.YumOutput() freport = ( yumout.failureReport, (), {} ) yb.repos.setFailureCallback( freport ) if os.geteuid() != 0 or opts.tempcache: cachedir = yum.misc.getCacheDir() if cachedir is None: yb.logger.error("Error: Could not make cachedir, exiting") sys.exit(50) yb.repos.setCacheDir(cachedir) yb.conf.cache = 0 # yum set cache=1, if uid != 0 if opts.cache: yb.conf.cache = True if not opts.quiet: yb.logger.info('Running from cache, results might be incomplete.') if opts.disablerepos: for repo_match in opts.disablerepos: for repo in yb.repos.findRepos(repo_match): repo.disable() if opts.enablerepos: for repo_match in opts.enablerepos: for repo in yb.repos.findRepos(repo_match): repo.enable() try: yb.doRepoSetup() except yum.Errors.RepoError, e: yb.logger.error("Could not setup repo: %s" % (e)) sys.exit(50) archlist = None try: yb.doSackSetup(archlist=archlist) except yum.Errors.RepoError, e: yb.logger.error(e) sys.exit(1) yum.misc.setup_locale() if opts.merge: opts.load.insert(0, opts.merge) opts.save.append(opts.merge) loaded_files = False for fname in opts.load: try: if not os.path.exists(fname): yb.logger.error("File not found: %s" % fname) continue if fname.endswith('.gz'): fname = gzip.open(fname) comps.add(srcfile=fname) loaded_files = True except IOError, e: yb.logger.error(e) sys.exit(50) if not loaded_files and opts.remove: yb.logger.error("Can't remove package(s) when we havn't loaded any") sys.exit(50) group = None if opts.id: group = comps.return_group(opts.id) if group is None and opts.name: group = comps.return_group(opts.name) if group is None and opts.remove: yb.logger.error("Can't remove package(s) from non-existant group") sys.exit(50) if group is None: group = yum.comps.Group() if opts.id: groupid = txt2id(opts.id) if not groupid: yb.logger.error("No valid id for group") sys.exit(50) group.groupid = groupid group.name = groupid elif opts.name: group.groupid = txt2id(opts.name) if not group.groupid: yb.logger.error("No valid id for group") sys.exit(50) else: yb.logger.error("No name or id for group") sys.exit(50) comps.add_group(group) if opts.name: if ',' in opts.name: yb.logger.error("Group name has a comma in it") if '*' in opts.name or '?' in opts.name: yb.logger.error("Group name has a wildcard in it, ? or *") group.name = opts.name if opts.description: group.description = opts.description if opts.display_order: group.display_order = int(opts.display_order) if opts.user_visible is not None: group.user_visible = opts.user_visible for tn in opts.i18nname or []: lang, text = trans_data(yb, tn) if ',' in text: yb.logger.error("Translated group name (%s) has a comma in it"%lang) if '*' in text or '?' in text: yb.logger.error("Translated group name (%s) has a wildcard in it" ", ? or *" % lang) group.translated_name[lang] = text for td in opts.i18ndescription or []: lang, text = trans_data(yb, td) group.translated_description[lang] = text try: if args: pkgs = yb.pkgSack.returnNewestByName(patterns=args) else: pkgs = [] except yum.packageSack.PackageSackError, e: yb.logger.error(e) sys.exit(50) pkgnames = set([pkg.name for pkg in pkgs]) if opts.dependencies: for pkg in pkgs: for rptup in pkg.returnPrco('requires'): if rptup[0].startswith('rpmlib'): continue rname = yum.misc.prco_tuple_to_string(rptup) pkgnames.update([pkg.name for pkg in req2pkgs(yb, rname)]) for pkgname in pkgnames: if opts.remove: group.mandatory_packages.pop(pkgname, 0) group.optional_packages.pop(pkgname, 0) group.default_packages.pop(pkgname, 0) elif opts.mandatory: group.mandatory_packages[pkgname] = 1 elif opts.optional: group.optional_packages[pkgname] = 1 else: group.default_packages[pkgname] = 1 for fname in opts.save: try: fo = open(fname, "wb") fo.write(comps.xml()) del fo except IOError, e: yb.logger.error(e) sys.exit(50) if (opts.print2stdout or (opts.print2stdout is None and not opts.save)): # Why the to_unicode()? Why is it converting at all? # Why doesn't setup_locale() fix this? ... all good questions print to_unicode(comps.xml()) if __name__ == "__main__": main()
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