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File manager - Edit - /usr/bin/repo-graph

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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. # (c) 2005 Panu Matilainen <pmatilai@laiskiainen.org> # generates graphviz .dot's from repomd data # usage something like # $ ./repo-graph.py --repoid=base > foo.dot # $ neato -v -Gmaxiter=2000 -x -Gcenter=false -Goverlap=scale -Tps2 -o foo.ps foo.dot import yum import sys from yum.misc import getCacheDir from optparse import OptionParser default_header = """ size="20.69,25.52"; ratio="fill"; rankdir="TB"; orientation=port; node[style="filled"]; """ class yumQuiet(yum.YumBase): def doDot(self, header): maxdeps = 0 deps = self.getDeps() print 'digraph packages {', print '%s' % header for pkg in deps.keys(): if len(deps[pkg]) > maxdeps: maxdeps=len(deps[pkg]) # color calculations lifted from rpmgraph h=0.5+(0.6/23len(deps[pkg])) s=h+0.1 b=1.0 print '"%s" [color="%s %s %s"];' % (pkg, h, s, b) print '"%s" -> {' % pkg for req in deps[pkg]: print '"%s"' % req print '} [color="%s %s %s"];\n' % (h, s, b) print "}" def getDeps(self): requires = {} prov = {} cached = 0 looked_up = 0 skip = [] for pkg in my.pkgSack.returnPackages(): xx = {} for r in pkg.returnPrco('requires'): reqname = r[0] if reqname.startswith('rpmlib'): continue if reqname in prov: provider = prov[reqname] cached += 1 else: provider = my.pkgSack.searchProvides(reqname) looked_up += 1 if not provider: #print "XXXX nothing provides", reqname continue else: provider = provider[0].name prov[reqname] = provider if provider == pkg.name: xx[provider] = None if provider in xx or provider in skip: continue else: xx[provider] = None requires[pkg.name] = xx.keys() #print >> sys.stderr, "looked up %d providers: " % looked_up #print >> sys.stderr, "%d providers from cache: " % cached return requires if __name__ == '__main__': parser = OptionParser() parser.add_option("--repoid", default=[], action="append", help="specify repositories to use") parser.add_option("-c", dest="conffile", action="store", default="/etc/yum.conf", help="config file location") #parser.add_option("--header", dest="header", action="store", # help="specify alternative .dot header") (opts, args) = parser.parse_args() my = yumQuiet() my.doConfigSetup(opts.conffile, init_plugins=False) cachedir = getCacheDir() my.repos.setCacheDir(cachedir) if len(opts.repoid) > 0: for repo in my.repos.findRepos(''): if repo.id not in opts.repoid: repo.disable() else: repo.enable() try: my.doRepoSetup() my.doTsSetup() my.doSackSetup() my.doDot(default_header) except yum.Errors.YumBaseError, e: print "Encountered an error creating graph: %s" % e sys.exit(1)

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