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# read.py
# Reading configuration from files.
#
# Copyright (C) 2014-2017 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.i18n import _, ucd
import dnf.conf
import libdnf.conf
import dnf.exceptions
import dnf.repo
import glob
import logging
import os
logger = logging.getLogger('dnf')
class RepoReader(object):
def __init__(self, conf, opts):
self.conf = conf
self.opts = opts
def __iter__(self):
# get the repos from the main yum.conf file
for r in self._get_repos(self.conf.config_file_path):
yield r
# read .repo files from directories specified by conf.reposdir
repo_configs = []
for reposdir in self.conf.reposdir:
for path in glob.glob(os.path.join(reposdir, "*.repo")):
repo_configs.append(path)
# remove .conf suffix before calling the sort function
# also split the path so the separators are not treated as ordinary characters
repo_configs.sort(key=lambda x: dnf.util.split_path(x[:-5]))
for repofn in repo_configs:
try:
for r in self._get_repos(repofn):
yield r
except dnf.exceptions.ConfigError:
logger.warning(_("Warning: failed loading '%s', skipping."),
repofn)
def _build_repo(self, parser, id_, repofn):
"""Build a repository using the parsed data."""
substituted_id = libdnf.conf.ConfigParser.substitute(id_, self.conf.substitutions)
# Check the repo.id against the valid chars
invalid = dnf.repo.repo_id_invalid(substituted_id)
if invalid is not None:
if substituted_id != id_:
msg = _("Bad id for repo: {} ({}), byte = {} {}").format(substituted_id, id_,
substituted_id[invalid],
invalid)
else:
msg = _("Bad id for repo: {}, byte = {} {}").format(id_, id_[invalid], invalid)
raise dnf.exceptions.ConfigError(msg)
repo = dnf.repo.Repo(substituted_id, self.conf)
try:
repo._populate(parser, id_, repofn, dnf.conf.PRIO_REPOCONFIG)
except ValueError as e:
if substituted_id != id_:
msg = _("Repository '{}' ({}): Error parsing config: {}").format(substituted_id,
id_, e)
else:
msg = _("Repository '{}': Error parsing config: {}").format(id_, e)
raise dnf.exceptions.ConfigError(msg)
# Ensure that the repo name is set
if repo._get_priority('name') == dnf.conf.PRIO_DEFAULT:
if substituted_id != id_:
msg = _("Repository '{}' ({}) is missing name in configuration, using id.").format(
substituted_id, id_)
else:
msg = _("Repository '{}' is missing name in configuration, using id.").format(id_)
logger.warning(msg)
repo.name = ucd(repo.name)
repo._substitutions.update(self.conf.substitutions)
repo.cfg = parser
return repo
def _get_repos(self, repofn):
"""Parse and yield all repositories from a config file."""
substs = self.conf.substitutions
parser = libdnf.conf.ConfigParser()
parser.setSubstitutions(substs)
try:
parser.read(repofn)
except RuntimeError as e:
raise dnf.exceptions.ConfigError(_('Parsing file "{}" failed: {}').format(repofn, e))
except IOError as e:
logger.warning(e)
# Check sections in the .repo file that was just slurped up
for section in parser.getData():
if section == 'main':
continue
try:
thisrepo = self._build_repo(parser, ucd(section), repofn)
except (dnf.exceptions.RepoError, dnf.exceptions.ConfigError) as e:
logger.warning(e)
continue
else:
thisrepo.repofile = repofn
thisrepo._configure_from_options(self.opts)
yield thisrepo
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