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python3.6
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dnf
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read.py
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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