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| Current File : //proc/self/root/usr/bin/repo-graph |
#!/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+(0.6/23*len(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)