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Your IP : 13.59.54.188
# download.py, supplies the 'download' command.
#
# Copyright (C) 2013-2015 Red Hat, Inc.
#
# 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
from dnf.cli.option_parser import OptionParser
import dnf
import dnf.cli
import dnf.exceptions
import dnf.i18n
import dnf.subject
import dnf.util
import hawkey
import itertools
import os
import shutil
@dnf.plugin.register_command
class DownloadCommand(dnf.cli.Command):
aliases = ['download']
summary = _('Download package to current directory')
def __init__(self, cli):
super(DownloadCommand, self).__init__(cli)
self.opts = None
self.parser = None
@staticmethod
def set_argparser(parser):
parser.add_argument('packages', nargs='+',
help=_('packages to download'))
parser.add_argument("--source", action='store_true',
help=_('download the src.rpm instead'))
parser.add_argument("--debuginfo", action='store_true',
help=_('download the -debuginfo package instead'))
parser.add_argument("--debugsource", action='store_true',
help=_('download the -debugsource package instead'))
parser.add_argument("--arch", '--archlist', dest='arches', default=[],
action=OptionParser._SplitCallback, metavar='[arch]',
help=_("limit the query to packages of given architectures."))
parser.add_argument('--resolve', action='store_true',
help=_('resolve and download needed dependencies'))
parser.add_argument('--alldeps', action='store_true',
help=_('when running with --resolve, download all dependencies '
'(do not exclude already installed ones)'))
parser.add_argument('--url', '--urls', action='store_true', dest='url',
help=_('print list of urls where the rpms '
'can be downloaded instead of downloading'))
parser.add_argument('--urlprotocols', action='append',
choices=['http', 'https', 'rsync', 'ftp'],
default=[],
help=_('when running with --url, '
'limit to specific protocols'))
def configure(self):
# setup sack and populate it with enabled repos
demands = self.cli.demands
demands.sack_activation = True
demands.available_repos = True
if self.opts.resolve and self.opts.alldeps:
demands.load_system_repo = False
if self.opts.source:
self.base.repos.enable_source_repos()
if self.opts.debuginfo or self.opts.debugsource:
self.base.repos.enable_debug_repos()
if self.opts.destdir:
self.base.conf.destdir = self.opts.destdir
else:
self.base.conf.destdir = dnf.i18n.ucd(os.getcwd())
def run(self):
"""Execute the util action here."""
if (not self.opts.source
and not self.opts.debuginfo
and not self.opts.debugsource):
pkgs = self._get_pkg_objs_rpms(self.opts.packages)
else:
pkgs = []
if self.opts.source:
pkgs.extend(self._get_pkg_objs_source(self.opts.packages))
if self.opts.debuginfo:
pkgs.extend(self._get_pkg_objs_debuginfo(self.opts.packages))
if self.opts.debugsource:
pkgs.extend(self._get_pkg_objs_debugsource(self.opts.packages))
# If user asked for just urls then print them and we're done
if self.opts.url:
for pkg in pkgs:
# command line repo packages do not have .remote_location
if pkg.repoid != hawkey.CMDLINE_REPO_NAME:
url = pkg.remote_location(schemes=self.opts.urlprotocols)
if url:
print(url)
else:
msg = _("Failed to get mirror for package: %s") % pkg.name
if self.base.conf.strict:
raise dnf.exceptions.Error(msg)
logger.warning(msg)
return
else:
self._do_downloads(pkgs) # download rpms
def _do_downloads(self, pkgs):
"""
Perform the download for a list of packages
"""
pkg_dict = {}
for pkg in pkgs:
pkg_dict.setdefault(str(pkg), []).append(pkg)
to_download = []
cmdline = []
for pkg_list in pkg_dict.values():
pkgs_cmdline = [pkg for pkg in pkg_list
if pkg.repoid == hawkey.CMDLINE_REPO_NAME]
if pkgs_cmdline:
cmdline.append(pkgs_cmdline[0])
continue
pkg_list.sort(key=lambda x: (x.repo.priority, x.repo.cost))
to_download.append(pkg_list[0])
if to_download:
self.base.download_packages(to_download, self.base.output.progress)
if cmdline:
# command line repo packages are either local files or already downloaded urls
# just copy them to the destination
for pkg in cmdline:
# python<3.4 shutil module does not raise SameFileError, check manually
src = pkg.localPkg()
dst = os.path.join(self.base.conf.destdir, os.path.basename(src))
if os.path.exists(dst) and os.path.samefile(src, dst):
continue
shutil.copy(src, self.base.conf.destdir)
locations = sorted([pkg.localPkg() for pkg in to_download + cmdline])
return locations
def _get_pkg_objs_rpms(self, pkg_specs):
"""
Return a list of dnf.Package objects that represent the rpms
to download.
"""
if self.opts.resolve:
pkgs = self._get_packages_with_deps(pkg_specs)
else:
pkgs = self._get_packages(pkg_specs)
return pkgs
def _get_pkg_objs_source(self, pkg_specs):
"""
Return a list of dnf.Package objects that represent the source
rpms to download.
"""
pkgs = self._get_pkg_objs_rpms(pkg_specs)
source_pkgs = self._get_source_packages(pkgs)
pkgs = set(self._get_packages(source_pkgs, source=True))
return pkgs
def _get_pkg_objs_debuginfo(self, pkg_specs):
"""
Return a list of dnf.Package objects that represent the debuginfo
rpms to download.
"""
dbg_pkgs = set()
q = self.base.sack.query().available()
for pkg in self._get_packages(pkg_specs):
for dbg_name in [pkg.debug_name, pkg.source_debug_name]:
dbg_available = q.filter(
name=dbg_name,
epoch=int(pkg.epoch),
version=pkg.version,
release=pkg.release,
arch=pkg.arch
)
if not dbg_available:
continue
for p in dbg_available:
dbg_pkgs.add(p)
break
return dbg_pkgs
def _get_pkg_objs_debugsource(self, pkg_specs):
"""
Return a list of dnf.Package objects that represent the debugsource
rpms to download.
"""
dbg_pkgs = set()
q = self.base.sack.query().available()
for pkg in self._get_packages(pkg_specs):
dbg_available = q.filter(
name=pkg.debugsource_name,
epoch=int(pkg.epoch),
version=pkg.version,
release=pkg.release,
arch=pkg.arch
)
for p in dbg_available:
dbg_pkgs.add(p)
return dbg_pkgs
def _get_packages(self, pkg_specs, source=False):
"""Get packages matching pkg_specs."""
func = self._get_query_source if source else self._get_query
queries = []
for pkg_spec in pkg_specs:
try:
queries.append(func(pkg_spec))
except dnf.exceptions.PackageNotFoundError as e:
logger.error(dnf.i18n.ucd(e))
if self.base.conf.strict:
logger.error(_("Exiting due to strict setting."))
raise dnf.exceptions.Error(e)
pkgs = list(itertools.chain(*queries))
return pkgs
def _get_packages_with_deps(self, pkg_specs, source=False):
"""Get packages matching pkg_specs and the deps."""
pkgs = self._get_packages(pkg_specs)
pkg_set = set(pkgs)
for pkg in pkgs:
goal = hawkey.Goal(self.base.sack)
goal.install(pkg)
rc = goal.run()
if rc:
pkg_set.update(goal.list_installs())
pkg_set.update(goal.list_upgrades())
else:
msg = [_('Error in resolve of packages:')]
logger.error("\n ".join(msg + [str(pkg) for pkg in pkgs]))
logger.error(dnf.util._format_resolve_problems(goal.problem_rules()))
raise dnf.exceptions.Error()
return pkg_set
@staticmethod
def _get_source_packages(pkgs):
"""Get list of source rpm names for a list of packages."""
source_pkgs = set()
for pkg in pkgs:
if pkg.sourcerpm:
source_pkgs.add(pkg.sourcerpm)
logger.debug(' --> Package : %s Source : %s',
str(pkg), pkg.sourcerpm)
elif pkg.arch == 'src':
source_pkgs.add("%s-%s.src.rpm" % (pkg.name, pkg.evr))
else:
logger.info(_("No source rpm defined for %s"), str(pkg))
return list(source_pkgs)
def _get_query(self, pkg_spec):
"""Return a query to match a pkg_spec."""
schemes = dnf.pycomp.urlparse.urlparse(pkg_spec)[0]
is_url = schemes and schemes in ('http', 'ftp', 'file', 'https')
if is_url or (pkg_spec.endswith('.rpm') and os.path.isfile(pkg_spec)):
pkgs = self.base.add_remote_rpms([pkg_spec], progress=self.base.output.progress)
return self.base.sack.query().filterm(pkg=pkgs)
subj = dnf.subject.Subject(pkg_spec)
q = subj.get_best_query(self.base.sack, with_src=self.opts.source)
q = q.available()
q = q.filterm(latest_per_arch_by_priority=True)
if self.opts.arches:
q = q.filter(arch=self.opts.arches)
if len(q.run()) == 0:
msg = _("No package %s available.") % (pkg_spec)
raise dnf.exceptions.PackageNotFoundError(msg)
return q
def _get_query_source(self, pkg_spec):
"""Return a query to match a source rpm file name."""
pkg_spec = pkg_spec[:-4] # skip the .rpm
subj = dnf.subject.Subject(pkg_spec)
for nevra_obj in subj.get_nevra_possibilities():
tmp_query = nevra_obj.to_query(self.base.sack).available()
if tmp_query:
return tmp_query.latest()
msg = _("No package %s available.") % (pkg_spec)
raise dnf.exceptions.PackageNotFoundError(msg)