Current File : //lib/python3.6/site-packages/dnf-plugins/repograph.py
# repograph.py
# DNF plugin adding a command to Output a full package dependency graph in dot
# format.
#
# Copyright (C) 2015 Igor Gnatenko
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from __future__ import absolute_import
from __future__ import unicode_literals
from dnfpluginscore import _, logger
import dnf.cli
DOT_HEADER = """
size="20.69,25.52";
ratio="fill";
rankdir="TB";
orientation=port;
node[style="filled"];
"""
class RepoGraph(dnf.Plugin):
name = "repograph"
def __init__(self, base, cli):
super(RepoGraph, self).__init__(base, cli)
if cli is None:
return
cli.register_command(RepoGraphCommand)
class RepoGraphCommand(dnf.cli.Command):
aliases = ("repograph", "repo-graph",)
summary = _("Output a full package dependency graph in dot format")
def configure(self):
demands = self.cli.demands
demands.sack_activation = True
demands.available_repos = True
if self.opts.repo:
for repo in self.base.repos.all():
if repo.id not in self.opts.repo:
repo.disable()
else:
repo.enable()
def run(self):
self.do_dot(DOT_HEADER)
def do_dot(self, header):
maxdeps = 0
deps = self._get_deps(self.base.sack)
print("digraph packages {")
print("{}".format(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('"{}" [color="{:.12g} {:.12g} {}"];'.format(pkg, h, s, b))
print('"{}" -> {{'.format(pkg))
for req in deps[pkg]:
print('"{}"'.format(req))
print('}} [color="{:.12g} {:.12g} {}"];\n'.format(h, s, b))
print("}")
@staticmethod
def _get_deps(sack):
requires = {}
prov = {}
skip = []
available = sack.query().available()
for pkg in available:
xx = {}
for req in pkg.requires:
reqname = str(req)
if reqname in skip:
continue
# XXX: https://bugzilla.redhat.com/show_bug.cgi?id=1186721
if reqname.startswith("solvable:"):
continue
if reqname in prov:
provider = prov[reqname]
else:
provider = available.filter(provides=reqname)
if not provider:
logger.debug(_("Nothing provides: '%s'"), reqname)
skip.append(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()
return requires
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