1 files changed, 0 insertions, 97 deletions

diff --git a/mailman/interfaces/database.py b/mailman/interfaces/database.py
deleted file mode 100644
index 4a9d6cde5..000000000
--- a/mailman/interfaces/database.py
+++ /dev/null
@@ -1,97 +0,0 @@
-# Copyright (C) 2007-2009 by the Free Software Foundation, Inc.
-#
-# This file is part of GNU Mailman.
-#
-# GNU Mailman is free software: you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option)
-# any later version.
-#
-# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty 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
-# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
-
-"""Interfaces for database interaction.
-
-By providing an object with this interface and declaring it in a package
-setup.py file as an entry point in the 'mailman.database' group with the name
-'initializer', you can distribute entirely different database layers for
-Mailman's back end.
-"""
-
-from __future__ import absolute_import, unicode_literals
-
-__metaclass__ = type
-__all__ = [
-    'DatabaseError',
-    'IDatabase',
-    'SchemaVersionMismatchError',
-    ]
-
-from zope.interface import Interface, Attribute
-
-from mailman.interfaces.errors import MailmanError
-from mailman.version import DATABASE_SCHEMA_VERSION
-
-
-
-class DatabaseError(MailmanError):
-    """A problem with the database occurred."""
-
-
-class SchemaVersionMismatchError(DatabaseError):
-    """The database schema version number did not match what was expected."""
-
-    def __init__(self, got):
-        super(SchemaVersionMismatchError, self).__init__()
-        self._got = got
-
-    def __str__(self):
-        return ('Incompatible database schema version '
-                '(got: {0}, expected: {1})'.format(
-                    self._got, DATABASE_SCHEMA_VERSION))
-
-
-
-class IDatabase(Interface):
-    """Database layer interface."""
-
-    def initialize(debug=None):
-        """Initialize the database layer, using whatever means necessary.
-
-        :param debug: When None (the default), the configuration file
-            determines whether the database layer should have increased
-            debugging or not.  When True or False, this overrides the
-            configuration file setting.
-        """
-
-    def _reset():
-        """Reset the database to its pristine state.
-
-        This is only used by the test framework.
-        """
-
-    def begin():
-        """Begin the current transaction."""
-
-    def commit():
-        """Commit the current transaction."""
-
-    def abort():
-        """Abort the current transaction."""
-
-    list_manager = Attribute(
-        """The IListManager instance provided by the database layer.""")
-
-    user_manager = Attribute(
-        """The IUserManager instance provided by the database layer.""")
-
-    message_store = Attribute(
-        """The IMessageStore instance provided by the database layer.""")
-
-    pendings = Attribute(
-        """The IPending instance provided by the database layer.""")