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1#!/usr/bin/env python
2# Protocol Buffers - Google's data interchange format
3# Copyright 2008 Google Inc.  All rights reserved.
4# https://developers.google.com/protocol-buffers/
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met:
9#
10#     * Redistributions of source code must retain the above copyright
11# notice, this list of conditions and the following disclaimer.
12#     * Redistributions in binary form must reproduce the above
13# copyright notice, this list of conditions and the following disclaimer
14# in the documentation and/or other materials provided with the
15# distribution.
16#     * Neither the name of Google Inc. nor the names of its
17# contributors may be used to endorse or promote products derived from
18# this software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32"""Script to update a failure list file to add/remove failures.
33
34This is sort of like comm(1), except it recognizes comments and ignores them.
35"""
36
37import argparse
38
39parser = argparse.ArgumentParser(
40    description='Adds/removes failures from the failure list.')
41parser.add_argument('filename', type=str, help='failure list file to update')
42parser.add_argument('--add', dest='add_list', action='append')
43parser.add_argument('--remove', dest='remove_list', action='append')
44
45args = parser.parse_args()
46
47add_set = set()
48remove_set = set()
49
50for add_file in (args.add_list or []):
51  with open(add_file) as f:
52    for line in f:
53      add_set.add(line)
54
55for remove_file in (args.remove_list or []):
56  with open(remove_file) as f:
57    for line in f:
58      if line in add_set:
59        raise Exception("Asked to both add and remove test: " + line)
60      remove_set.add(line.strip())
61
62add_list = sorted(add_set, reverse=True)
63
64with open(args.filename) as in_file:
65    existing_list = in_file.read()
66
67with open(args.filename, "w") as f:
68  for line in existing_list.splitlines(True):
69    test = line.split("#")[0].strip()
70    while len(add_list) > 0 and test > add_list[-1]:
71      f.write(add_list.pop())
72    if test not in remove_set:
73      f.write(line)
74