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# search.py
# Search CLI command.
#
# Copyright (C) 2012-2016 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 print_function
from __future__ import unicode_literals
import collections
from dnf.cli import commands
from dnf.cli.option_parser import OptionParser
from dnf.i18n import ucd, _, C_
import dnf.i18n
import dnf.match_counter
import dnf.util
import hawkey
import logging
logger = logging.getLogger('dnf')
class SearchCommand(commands.Command):
"""A class containing methods needed by the cli to execute the
search command.
"""
aliases = ('search', 'se')
summary = _('search package details for the given string')
@staticmethod
def set_argparser(parser):
parser.add_argument('--all', action='store_true',
help=_("search also package description and URL"))
parser.add_argument('query_string', nargs='+', metavar=_('KEYWORD'),
choices=['all'], default=None,
action=OptionParser.PkgNarrowCallback,
help=_("Keyword to search for"))
def _search(self, args):
"""Search for simple text tags in a package object."""
TRANS_TBL = collections.OrderedDict((
('name', C_('long', 'Name')),
('summary', C_('long', 'Summary')),
('description', C_('long', 'Description')),
('url', _('URL')),
))
def _translate_attr(attr):
try:
return TRANS_TBL[attr]
except:
return attr
def _print_section_header(exact_match, attrs, keys):
trans_attrs = map(_translate_attr, attrs)
# TRANSLATORS: separator used between package attributes (eg. Name & Summary & URL)
trans_attrs_str = _(' & ').join(trans_attrs)
if exact_match:
# TRANSLATORS: %s - translated package attributes,
# %%s - found keys (in listed attributes)
section_text = _('%s Exactly Matched: %%s') % trans_attrs_str
else:
# TRANSLATORS: %s - translated package attributes,
# %%s - found keys (in listed attributes)
section_text = _('%s Matched: %%s') % trans_attrs_str
formatted = self.base.output.fmtSection(section_text % ", ".join(keys))
print(ucd(formatted))
counter = dnf.match_counter.MatchCounter()
for arg in args:
self._search_counted(counter, 'name', arg)
self._search_counted(counter, 'summary', arg)
if self.opts.all:
for arg in args:
self._search_counted(counter, 'description', arg)
self._search_counted(counter, 'url', arg)
else:
needles = len(args)
pkgs = list(counter.keys())
for pkg in pkgs:
if len(counter.matched_needles(pkg)) != needles:
del counter[pkg]
used_attrs = None
matched_needles = None
exact_match = False
print_section_header = False
limit = None
if not self.base.conf.showdupesfromrepos:
limit = self.base.sack.query().filterm(pkg=counter.keys()).latest()
seen = set()
for pkg in counter.sorted(reverse=True, limit_to=limit):
if not self.base.conf.showdupesfromrepos:
if pkg.name + pkg.arch in seen:
continue
seen.add(pkg.name + pkg.arch)
if used_attrs != counter.matched_keys(pkg):
used_attrs = counter.matched_keys(pkg)
print_section_header = True
if matched_needles != counter.matched_needles(pkg):
matched_needles = counter.matched_needles(pkg)
print_section_header = True
if exact_match != (counter.matched_haystacks(pkg) == matched_needles):
exact_match = counter.matched_haystacks(pkg) == matched_needles
print_section_header = True
if print_section_header:
_print_section_header(exact_match, used_attrs, matched_needles)
print_section_header = False
self.base.output.matchcallback(pkg, counter.matched_haystacks(pkg), args)
if len(counter) == 0:
logger.info(_('No matches found.'))
def _search_counted(self, counter, attr, needle):
fdict = {'%s__substr' % attr : needle}
if dnf.util.is_glob_pattern(needle):
fdict = {'%s__glob' % attr : needle}
q = self.base.sack.query().filterm(hawkey.ICASE, **fdict)
for pkg in q.run():
counter.add(pkg, attr, needle)
return counter
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
demands.available_repos = True
demands.fresh_metadata = False
demands.sack_activation = True
self.opts.all = self.opts.all or self.opts.query_string_action
def run(self):
logger.debug(_('Searching Packages: '))
return self._search(self.opts.query_string)