/usr/lib/python2.7/dist-packages/ZODB/UndoLogCompatible.py is in python-zodb 1:3.9.7-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | ##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
"""Provide backward compatibility with storages that only have undoLog()."""
class UndoLogCompatible:
def undoInfo(self, first=0, last=-20, specification=None):
if specification:
# filter(desc) returns true iff `desc` is a "superdict"
# of `specification`, meaning that `desc` contains the same
# (key, value) pairs as `specification`, and possibly additional
# (key, value) pairs. Another way to do this might be
# d = desc.copy()
# d.update(specification)
# return d == desc
def filter(desc, spec=specification.items()):
get = desc.get
for k, v in spec:
if get(k, None) != v:
return 0
return 1
else:
filter = None
return self.undoLog(first, last, filter)
|