text: ..
    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.
  
  ============
   Exceptions
  ============
  
  .. exception:: dnf.exceptions.Error
  
    Base class for all DNF Errors.
  
  .. exception:: dnf.exceptions.CompsError
  
    Used for errors of comps groups like trying to work with group which is not available.
  
  .. exception:: dnf.exceptions.DeprecationWarning
  
    Used to emit deprecation warnings using Python's :func:`warnings.warning` function.
  
  .. exception:: dnf.exceptions.DepsolveError
  
    Error during transaction dependency resolving.
  
  .. exception:: dnf.exceptions.DownloadError
  
    Error during downloading packages from the repositories.
  
  .. exception:: dnf.exceptions.MarkingError
  
    Error when DNF was unable to find a match for given package / group / module specification.
  
  .. exception:: dnf.exceptions.MarkingErrors
  
    Categorized errors during processing of the request. The available error categories are ``no_match_pkg_specs`` for missing packages, ``error_pkg_specs`` for broken packages, ``no_match_group_specs`` for missing groups or modules, ``error_group_specs`` for broken groups or modules and ``module_depsolv_errors`` for modular dependency problems.
  
  .. exception:: dnf.exceptions.RepoError
  
    Error when loading repositories.
  