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python3.6
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dnf-plugins
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builddep.py
# 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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