plaso-rubanetra/utils/download_patch_set.py
2020-04-06 18:48:34 +02:00

116 lines
3.1 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2013 The Plaso Project Authors.
# Please see the AUTHORS file for details on individual authors.
#
# 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.
"""This file contains a simple utility to fetch content of code reviews."""
import os
import json
import urllib2
import sys
import subprocess
import tempfile
def DownloadPatchSet(cl_number):
"""Returns the name of the patch file for a given CL.
Args:
cl_number: The CL number for the code review.
Returns:
The name fo the patch file, or a None if unable to download
the patch.
"""
try:
test_cl = int(cl_number)
if cl_number != str(test_cl):
return
except ValueError:
return
url = 'https://codereview.appspot.com/api/{0}/'.format(cl_number)
url_object = urllib2.urlopen(url)
if url_object.code != 200:
return
data = url_object.read()
try:
data_obj = json.loads(data)
except ValueError:
return
patches = data_obj.get('patchsets', [])
last_patch = patches.pop()
patch_url = 'https://codereview.appspot.com/download/issue{}_{}.diff'.format(
cl_number, last_patch)
patch_object = urllib2.urlopen(patch_url)
if patch_object.code != 200:
return
patch_data = patch_object.read()
patch_file_name = ''
with tempfile.NamedTemporaryFile(delete=False) as patch_file_object:
patch_file_object.write(patch_data)
patch_file_name = patch_file_object.name
return patch_file_name
if __name__ == '__main__':
if len(sys.argv) != 2:
print 'Need to provide a CL number.'
sys.exit(1)
code_review_number = sys.argv[1]
patch_file = DownloadPatchSet(code_review_number)
if not patch_file:
print 'Unable to download a patch set, exiting.'
sys.exit(1)
branch_name = 'review_{}'.format(code_review_number)
branch_exit = os.system('git checkout -b {}'.format(branch_name))
if branch_exit:
print 'Unable to create a new branch, exiting.'
sys.exit(1)
patch_exit = os.system('patch -p1 < {}'.format(patch_file))
if patch_exit:
print 'Unable to patch files.'
sys.exit(1)
git_add = subprocess.Popen(
'git status -s', shell=True, stdout=subprocess.PIPE)
git_to_add = []
for git_line in git_add.stdout:
if git_line.startswith('??'):
git_to_add.append(git_line[3:-1])
os.system('git add -A')
print 'Files added to git branch'
os.system('git commit -a "Committing CL to branch"')
os.remove(patch_file)
print 'Patch downloaded and applied, branch {} created.'.format(
branch_name)
print 'Remember to delete branch when done testing/inspecting.'
print 'git checkout master && git branch -D {}'.format(branch_name)