.. Copyright (C) 2014-2018 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. =============== Configuration =============== Configurable settings of the :class:`dnf.Base` object are stored into a :class:`dnf.conf.Conf` instance. The various options are described here. .. class:: dnf.conf.Conf This object has attributes corresponding to all configuration options from both :ref:`"[main] Options" <conf_main_options-label>` and :ref:`"Options for both [main] and Repo" <conf_main_and_repo_options-label>` sections. For example setting a proxy to access all repositories:: import dnf base = dnf.Base() conf = base.conf conf.proxy = "http://the.proxy.url:3128" conf.proxy_username = "username" conf.proxy_password = "secret" base.read_all_repos() base.fill_sack() .. attribute:: get_reposdir Returns the value of the first valid reposdir or if unavailable the value of created reposdir (string) .. attribute:: substitutions An instance of :class:`dnf.conf.substitutions.Substitutions` class. A mapping of substitutions used in repositories' remote URL configuration. The commonly used ones are: ========== ============================================== ============ key meaning default ========== ============================================== ============ arch architecture of the machine autodetected basearch the architecture family of the current "arch" autodetected releasever release name of the system distribution ``None`` ========== ============================================== ============ :func:`dnf.rpm.detect_releasever` can be used to detect the ``releasever`` value. Following example shows recommended method how to override autodetected architectures:: import dnf import hawkey arch = hawkey.detect_arch() base = dnf.Base() base.conf.substitutions['arch'] = arch base.conf.substitutions['basearch'] = dnf.rpm.basearch(arch) base.fill_sack() ... .. method:: exclude_pkgs(pkgs) Exclude all packages in the `pkgs` list from all operations. .. method:: prepend_installroot(option) Prefix config option named `option` with :attr:`installroot`. .. method:: read(filename=None) Read configuration options from the ``main`` section in `filename`. Option values not present there are left at their current values. If `filename` is ``None``, :attr:`config_file_path` is used. Conversely, the configuration path used to load the configuration file that was used is stored into :attr:`config_file_path` before the function returns. .. method:: dump() Print configuration values, including inherited values. .. method:: write_raw_configfile(filename, section_id, substitutions, modify) Update or create config file. Where `filename` represents name of config file (.conf or .repo); `section_id` represents id of modified section (e.g. main, fedora, updates); `substitutions` represents an instance of base.conf.substitutions; `modify` represents dict of modified options. .. class:: dnf.conf.substitutions.Substitutions .. method:: update_from_etc(installroot, varsdir=("/etc/yum/vars/", "/etc/dnf/vars/")) Read user-defined variables values from variable directories. See :ref:`variable files <varfiles-label>` in Configuration reference.