Mini Shell
# builddep.py
# Install all the deps needed to build this package.
#
# Copyright (C) 2013-2015 Red Hat, Inc.
# 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 argparse
import dnf
import dnf.cli
import dnf.exceptions
import dnf.rpm.transaction
import dnf.yum.rpmtrans
import libdnf.repo
import os
import rpm
import shutil
import tempfile
@dnf.plugin.register_command
class BuildDepCommand(dnf.cli.Command):
aliases = ('builddep', 'build-dep')
msg = "Install build dependencies for package or spec file"
summary = _(msg)
usage = _("[PACKAGE|PACKAGE.spec]")
def __init__(self, cli):
super(BuildDepCommand, self).__init__(cli)
self._rpm_ts = dnf.rpm.transaction.initReadOnlyTransaction()
self.tempdirs = []
def __del__(self):
for temp_dir in self.tempdirs:
shutil.rmtree(temp_dir)
def _download_remote_file(self, pkgspec):
"""
In case pkgspec is a remote URL, download it to a temporary location
and use the temporary file instead.
"""
location = dnf.pycomp.urlparse.urlparse(pkgspec)
if location[0] in ('file', ''):
# just strip the file:// prefix
return location.path
downloader = libdnf.repo.Downloader()
temp_dir = tempfile.mkdtemp(prefix="dnf_builddep_")
temp_file = os.path.join(temp_dir, os.path.basename(pkgspec))
self.tempdirs.append(temp_dir)
temp_fo = open(temp_file, "wb+")
try:
downloader.downloadURL(self.base.conf._config, pkgspec, temp_fo.fileno())
except RuntimeError as ex:
raise
finally:
temp_fo.close()
return temp_file
@staticmethod
def set_argparser(parser):
def macro_def(arg):
arglist = arg.split(None, 1) if arg else []
if len(arglist) < 2:
msg = _("'%s' is not of the format 'MACRO EXPR'") % arg
raise argparse.ArgumentTypeError(msg)
return arglist
parser.add_argument('packages', nargs='+', metavar='package',
help=_('packages with builddeps to install'))
parser.add_argument('-D', '--define', action='append', default=[],
metavar="'MACRO EXPR'", type=macro_def,
help=_('define a macro for spec file parsing'))
parser.add_argument('--skip-unavailable', action='store_true', default=False,
help=_('skip build dependencies not available in repositories'))
ptype = parser.add_mutually_exclusive_group()
ptype.add_argument('--spec', action='store_true',
help=_('treat commandline arguments as spec files'))
ptype.add_argument('--srpm', action='store_true',
help=_('treat commandline arguments as source rpm'))
def pre_configure(self):
if not self.opts.rpmverbosity:
self.opts.rpmverbosity = 'error'
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.resolving = True
demands.root_user = True
demands.sack_activation = True
# enable source repos only if needed
if not (self.opts.spec or self.opts.srpm):
for pkgspec in self.opts.packages:
if not (pkgspec.endswith('.src.rpm')
or pkgspec.endswith('.nosrc.rpm')
or pkgspec.endswith('.spec')):
self.base.repos.enable_source_repos()
break
def run(self):
rpmlog = dnf.yum.rpmtrans.RPMTransaction(self.base)
# Push user-supplied macro definitions for spec parsing
for macro in self.opts.define:
rpm.addMacro(macro[0], macro[1])
pkg_errors = False
for pkgspec in self.opts.packages:
pkgspec = self._download_remote_file(pkgspec)
try:
if self.opts.srpm:
self._src_deps(pkgspec)
elif self.opts.spec:
self._spec_deps(pkgspec)
elif pkgspec.endswith('.src.rpm') or pkgspec.endswith('nosrc.rpm'):
self._src_deps(pkgspec)
elif pkgspec.endswith('.spec'):
self._spec_deps(pkgspec)
else:
self._remote_deps(pkgspec)
except dnf.exceptions.Error as e:
for line in rpmlog.messages():
logger.error(_("RPM: {}").format(line))
logger.error(e)
pkg_errors = True
# Pop user macros so they don't affect future rpm calls
for macro in self.opts.define:
rpm.delMacro(macro[0])
if pkg_errors:
raise dnf.exceptions.Error(_("Some packages could not be found."))
@staticmethod
def _rpm_dep2reldep_str(rpm_dep):
return rpm_dep.DNEVR()[2:]
def _install(self, reldep_str):
# Try to find something by provides
sltr = dnf.selector.Selector(self.base.sack)
sltr.set(provides=reldep_str)
found = sltr.matches()
if not found and reldep_str.startswith("/"):
# Nothing matches by provides and since it's file, try by files
sltr = dnf.selector.Selector(self.base.sack)
sltr.set(file=reldep_str)
found = sltr.matches()
if not found and not reldep_str.startswith("("):
# No provides, no files
# Richdeps can have no matches but it could be correct (solver must decide later)
msg = _("No matching package to install: '%s'")
logger.warning(msg, reldep_str)
return self.opts.skip_unavailable is True
if found:
already_inst = self.base._sltr_matches_installed(sltr)
if already_inst:
for package in already_inst:
dnf.base._msg_installed(package)
self.base._goal.install(select=sltr, optional=False)
return True
def _src_deps(self, src_fn):
fd = os.open(src_fn, os.O_RDONLY)
try:
h = self._rpm_ts.hdrFromFdno(fd)
except rpm.error as e:
if str(e) == 'error reading package header':
e = _("Failed to open: '%s', not a valid source rpm file.") % src_fn
os.close(fd)
raise dnf.exceptions.Error(e)
os.close(fd)
ds = h.dsFromHeader('requirename')
done = True
for dep in ds:
reldep_str = self._rpm_dep2reldep_str(dep)
if reldep_str.startswith('rpmlib('):
continue
done &= self._install(reldep_str)
if not done:
err = _("Not all dependencies satisfied")
raise dnf.exceptions.Error(err)
if self.opts.define:
logger.warning(_("Warning: -D or --define arguments have no meaning "
"for source rpm packages."))
def _spec_deps(self, spec_fn):
try:
spec = rpm.spec(spec_fn)
except ValueError as ex:
msg = _("Failed to open: '%s', not a valid spec file: %s") % (
spec_fn, ex)
raise dnf.exceptions.Error(msg)
done = True
for dep in rpm.ds(spec.sourceHeader, 'requires'):
reldep_str = self._rpm_dep2reldep_str(dep)
done &= self._install(reldep_str)
if not done:
err = _("Not all dependencies satisfied")
raise dnf.exceptions.Error(err)
def _remote_deps(self, package):
available = dnf.subject.Subject(package).get_best_query(
self.base.sack).filter(arch__neq="src")
sourcenames = list({pkg.source_name for pkg in available})
pkgs = self.base.sack.query().available().filter(
name=(sourcenames + [package]), arch="src").latest().run()
if not pkgs:
raise dnf.exceptions.Error(_('no package matched: %s') % package)
done = True
for pkg in pkgs:
for req in pkg.requires:
done &= self._install(str(req))
if not done:
err = _("Not all dependencies satisfied")
raise dnf.exceptions.Error(err)
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