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Filename : repolist.py
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# repolist.py
# repolist CLI command.
#
# Copyright (C) 2014-2016 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 dnf.cli import commands
from dnf.i18n import _, ucd, fill_exact_width, exact_width
from dnf.cli.option_parser import OptionParser
import dnf.cli.format
import dnf.pycomp
import dnf.util
import fnmatch
import hawkey
import logging
import operator

logger = logging.getLogger('dnf')


def _expire_str(repo, md):
    last = dnf.util.normalize_time(repo._repo.getTimestamp()) if md else _("unknown")
    if repo.metadata_expire <= -1:
        return _("Never (last: %s)") % last
    elif not repo.metadata_expire:
        return _("Instant (last: %s)") % last
    else:
        num = _num2ui_num(repo.metadata_expire)
        return _("%s second(s) (last: %s)") % (num, last)


def _num2ui_num(num):
    return ucd(dnf.pycomp.format("%d", num, True))


def _repo_match(repo, patterns):
    rid = repo.id.lower()
    rnm = repo.name.lower()
    for pat in patterns:
        if fnmatch.fnmatch(rid, pat):
            return True
        if fnmatch.fnmatch(rnm, pat):
            return True
    return False


def _repo_size(sack, repo):
    ret = 0
    for pkg in sack.query(flags=hawkey.IGNORE_EXCLUDES).filterm(reponame__eq=repo.id):
        ret += pkg._size
    return dnf.cli.format.format_number(ret)


class RepoListCommand(commands.Command):
    """A class containing methods needed by the cli to execute the
    repolist command.
    """

    aliases = ('repolist', 'repoinfo')
    summary = _('display the configured software repositories')

    @staticmethod
    def set_argparser(parser):
        repolimit = parser.add_mutually_exclusive_group()
        repolimit.add_argument('--all', dest='_repos_action',
                               action='store_const', const='all', default=None,
                               help=_("show all repos"))
        repolimit.add_argument('--enabled', dest='_repos_action',
                               action='store_const', const='enabled',
                               help=_("show enabled repos (default)"))
        repolimit.add_argument('--disabled', dest='_repos_action',
                               action='store_const', const='disabled',
                               help=_("show disabled repos"))
        parser.add_argument('repos', nargs='*', default='enabled-default', metavar="REPOSITORY",
                            choices=['all', 'enabled', 'disabled'],
                            action=OptionParser.PkgNarrowCallback,
                            help=_("Repository specification"))

    def pre_configure(self):
        if not self.opts.quiet:
            self.cli.redirect_logger(stdout=logging.WARNING, stderr=logging.INFO)

    def configure(self):
        if not self.opts.quiet:
            self.cli.redirect_repo_progress()
        demands = self.cli.demands
        if self.base.conf.verbose or self.opts.command == 'repoinfo':
            demands.available_repos = True
            demands.sack_activation = True

        if self.opts._repos_action:
            self.opts.repos_action = self.opts._repos_action

    def run(self):
        arg = self.opts.repos_action
        extcmds = [x.lower() for x in self.opts.repos]

        verbose = self.base.conf.verbose

        repos = list(self.base.repos.values())
        repos.sort(key=operator.attrgetter('id'))
        term = self.output.term
        on_ehibeg = term.FG_COLOR['green'] + term.MODE['bold']
        on_dhibeg = term.FG_COLOR['red']
        on_hiend = term.MODE['normal']
        tot_num = 0
        cols = []
        if not repos:
            logger.warning(_('No repositories available'))
            return
        include_status = arg == 'all' or (arg == 'enabled-default' and extcmds)
        repoinfo_output = []
        for repo in repos:
            if len(extcmds) and not _repo_match(repo, extcmds):
                continue
            (ehibeg, dhibeg, hiend) = '', '', ''
            ui_enabled = ''
            ui_endis_wid = 0
            ui_excludes_num = ''
            if include_status:
                (ehibeg, dhibeg, hiend) = (on_ehibeg, on_dhibeg, on_hiend)
            if repo.enabled:
                enabled = True
                if arg == 'disabled':
                    continue
                if include_status or verbose or self.opts.command == 'repoinfo':
                    ui_enabled = ehibeg + _('enabled') + hiend
                    ui_endis_wid = exact_width(_('enabled'))
                if verbose or self.opts.command == 'repoinfo':
                    ui_size = _repo_size(self.base.sack, repo)
            else:
                enabled = False
                if arg == 'enabled' or (arg == 'enabled-default' and not extcmds):
                    continue
                ui_enabled = dhibeg + _('disabled') + hiend
                ui_endis_wid = exact_width(_('disabled'))

            if not (verbose or self.opts.command == 'repoinfo'):
                rid = ucd(repo.id)
                cols.append((rid, repo.name, (ui_enabled, ui_endis_wid)))
            else:
                if enabled:
                    md = repo.metadata
                else:
                    md = None
                out = [self.output.fmtKeyValFill(_("Repo-id            : "), repo.id),
                       self.output.fmtKeyValFill(_("Repo-name          : "), repo.name)]

                if include_status:
                    out += [self.output.fmtKeyValFill(_("Repo-status        : "),
                                                      ui_enabled)]
                if md and repo._repo.getRevision():
                    out += [self.output.fmtKeyValFill(_("Repo-revision      : "),
                                                      repo._repo.getRevision())]
                if md and repo._repo.getContentTags():
                    tags = repo._repo.getContentTags()
                    out += [self.output.fmtKeyValFill(_("Repo-tags          : "),
                                                      ", ".join(sorted(tags)))]

                if md and repo._repo.getDistroTags():
                    distroTagsDict = {k: v for (k, v) in repo._repo.getDistroTags()}
                    for (distro, tags) in distroTagsDict.items():
                        out += [self.output.fmtKeyValFill(
                            _("Repo-distro-tags      : "),
                            "[%s]: %s" % (distro, ", ".join(sorted(tags))))]

                if md:
                    num = len(self.base.sack.query(flags=hawkey.IGNORE_EXCLUDES).filterm(
                        reponame__eq=repo.id))
                    num_available = len(self.base.sack.query().filterm(reponame__eq=repo.id))
                    ui_num = _num2ui_num(num)
                    ui_num_available = _num2ui_num(num_available)
                    tot_num += num
                    out += [
                        self.output.fmtKeyValFill(
                            _("Repo-updated       : "),
                            dnf.util.normalize_time(repo._repo.getMaxTimestamp())),
                        self.output.fmtKeyValFill(_("Repo-pkgs          : "), ui_num),
                        self.output.fmtKeyValFill(_("Repo-available-pkgs: "), ui_num_available),
                        self.output.fmtKeyValFill(_("Repo-size          : "), ui_size)]

                if repo.metalink:
                    out += [self.output.fmtKeyValFill(_("Repo-metalink      : "),
                                                      repo.metalink)]
                    if enabled:
                        ts = repo._repo.getTimestamp()
                        out += [self.output.fmtKeyValFill(
                            _("  Updated          : "), dnf.util.normalize_time(ts))]
                elif repo.mirrorlist:
                    out += [self.output.fmtKeyValFill(_("Repo-mirrors       : "),
                                                      repo.mirrorlist)]
                baseurls = repo.baseurl
                if baseurls:
                    out += [self.output.fmtKeyValFill(_("Repo-baseurl       : "),
                                                      ", ".join(baseurls))]
                elif enabled:
                    mirrors = repo._repo.getMirrors()
                    if mirrors:
                        url = "%s (%d more)" % (mirrors[0], len(mirrors) - 1)
                        out += [self.output.fmtKeyValFill(_("Repo-baseurl       : "), url)]

                expire = _expire_str(repo, md)
                out += [self.output.fmtKeyValFill(_("Repo-expire        : "), expire)]

                if repo.excludepkgs:
                    # TRANSLATORS: Packages that are excluded - their names like (dnf systemd)
                    out += [self.output.fmtKeyValFill(_("Repo-exclude       : "),
                                                      ", ".join(repo.excludepkgs))]

                if repo.includepkgs:
                    out += [self.output.fmtKeyValFill(_("Repo-include       : "),
                                                      ", ".join(repo.includepkgs))]

                if ui_excludes_num:
                    # TRANSLATORS: Number of packages that where excluded (5)
                    out += [self.output.fmtKeyValFill(_("Repo-excluded      : "),
                                                      ui_excludes_num)]

                if repo.repofile:
                    out += [self.output.fmtKeyValFill(_("Repo-filename      : "),
                                                      repo.repofile)]
                repoinfo_output.append("\n".join(map(ucd, out)))

        if repoinfo_output:
            print("\n\n".join(repoinfo_output))
        if not verbose and cols:
            #  Work out the first (id) and last (enabled/disabled/count),
            # then chop the middle (name)...

            id_len = exact_width(_('repo id'))
            nm_len = 0
            st_len = 0

            for (rid, rname, (ui_enabled, ui_endis_wid)) in cols:
                if id_len < exact_width(rid):
                    id_len = exact_width(rid)
                if nm_len < exact_width(rname):
                    nm_len = exact_width(rname)
                if st_len < ui_endis_wid:
                    st_len = ui_endis_wid
                # Need this as well as above for: fill_exact_width()
            if include_status:
                if exact_width(_('status')) > st_len:
                    left = term.columns - (id_len + len(_('status')) + 2)
                else:
                    left = term.columns - (id_len + st_len + 2)
            else:  # Don't output a status column.
                left = term.columns - (id_len + 1)

            if left < nm_len:  # Name gets chopped
                nm_len = left
            else:  # Share the extra...
                left -= nm_len
                id_len += left // 2
                nm_len += left - (left // 2)

            txt_rid = fill_exact_width(_('repo id'), id_len)
            if include_status:
                txt_rnam = fill_exact_width(_('repo name'), nm_len, nm_len)
            else:
                txt_rnam = _('repo name')
            if not include_status:  # Don't output a status column.
                print("%s %s" % (txt_rid, txt_rnam))
            else:
                print("%s %s %s" % (txt_rid, txt_rnam, _('status')))
            for (rid, rname, (ui_enabled, ui_endis_wid)) in cols:
                if not include_status:  # Don't output a status column.
                    print("%s %s" % (fill_exact_width(rid, id_len), rname))
                    continue

                print("%s %s %s" % (fill_exact_width(rid, id_len),
                                    fill_exact_width(rname, nm_len, nm_len),
                                    ui_enabled))
        if verbose or self.opts.command == 'repoinfo':
            msg = _('Total packages: {}')
            print(msg.format(_num2ui_num(tot_num)))