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#!/usr/bin/env python3
#
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""A command line utility to download multiple patch files of change lists from
Gerrit."""
from __future__ import print_function
import argparse
import os
import sys
from gerrit import (
add_common_parse_args, create_url_opener_from_args, find_gerrit_name,
normalize_gerrit_name, query_change_lists, get_patch
)
def _parse_args():
"""Parse command line options."""
parser = argparse.ArgumentParser()
add_common_parse_args(parser)
return parser.parse_args()
def main():
"""Main function"""
args = _parse_args()
if args.gerrit:
args.gerrit = normalize_gerrit_name(args.gerrit)
else:
try:
args.gerrit = find_gerrit_name()
# pylint: disable=bare-except
except:
print('gerrit instance not found, use [-g GERRIT]')
sys.exit(1)
# Query change lists
url_opener = create_url_opener_from_args(args)
change_lists = query_change_lists(
url_opener, args.gerrit, args.query, args.start, args.limits)
# Download patch files
num_changes = len(change_lists)
num_changes_width = len(str(num_changes))
for i, change in enumerate(change_lists, start=1):
print('{:>{}}/{} | {} {}'.format(
i, num_changes_width, num_changes, change['_number'],
change['subject']))
patch_file = get_patch(url_opener, args.gerrit, change['id'])
with open('{}.patch'.format(change['_number']), 'wb') as output_file:
output_file.write(patch_file)
if __name__ == '__main__':
main()
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