__license__ = 'GPL v3'
__copyright__ = '2012, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'

FIELDS = ['all', 'title', 'title_sort', 'author_sort', 'authors', 'comments',
          'cover', 'formats','id', 'isbn', 'library_name','ondevice', 'pubdate', 'publisher',
          'rating', 'series_index', 'series', 'size', 'tags', 'timestamp',
          'uuid', 'languages', 'identifiers']

# Allowed fields for template
TEMPLATE_ALLOWED_FIELDS = ['author_sort', 'authors', 'id', 'isbn', 'pubdate', 'title_sort',
    'publisher', 'series_index', 'series', 'tags', 'timestamp', 'title', 'uuid']


class AuthorSortMismatchException(Exception):
    pass


class EmptyCatalogException(Exception):
    pass


class InvalidGenresSourceFieldException(Exception):
    pass