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#!/usr/bin/python
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
# Creates CHANGES.txt from git history.
#
# Usage:
# First set the new release version and old CHANGES.txt version in this file.
# Make sure you have SPARK_HOME set.
# $ python generate-changelist.py
import os
import sys
import subprocess
import time
import traceback
SPARK_HOME = os.environ["SPARK_HOME"]
NEW_RELEASE_VERSION = "1.0.0"
PREV_RELEASE_GIT_TAG = "v0.9.1"
CHANGELIST = "CHANGES.txt"
OLD_CHANGELIST = "%s.old" % (CHANGELIST)
NEW_CHANGELIST = "%s.new" % (CHANGELIST)
TMP_CHANGELIST = "%s.tmp" % (CHANGELIST)
# date before first PR in TLP Spark repo
SPARK_REPO_CHANGE_DATE1 = time.strptime("2014-02-26", "%Y-%m-%d")
# date after last PR in incubator Spark repo
SPARK_REPO_CHANGE_DATE2 = time.strptime("2014-03-01", "%Y-%m-%d")
# Threshold PR number that differentiates PRs to TLP
# and incubator repos
SPARK_REPO_PR_NUM_THRESH = 200
LOG_FILE_NAME = "changes_%s" % time.strftime("%h_%m_%Y_%I_%M_%S")
LOG_FILE = open(LOG_FILE_NAME, 'w')
def run_cmd(cmd):
try:
print >> LOG_FILE, "Running command: %s" % cmd
output = subprocess.check_output(cmd, shell=True, stderr=LOG_FILE)
print >> LOG_FILE, "Output: %s" % output
return output
except:
traceback.print_exc()
cleanup()
sys.exit(1)
def append_to_changelist(string):
with open(TMP_CHANGELIST, "a") as f:
print >> f, string
def cleanup(ask=True):
if ask is True:
print "OK to delete temporary and log files? (y/N): "
response = raw_input()
if ask is False or (ask is True and response == "y"):
if os.path.isfile(TMP_CHANGELIST):
os.remove(TMP_CHANGELIST)
if os.path.isfile(OLD_CHANGELIST):
os.remove(OLD_CHANGELIST)
LOG_FILE.close()
os.remove(LOG_FILE_NAME)
print "Generating new %s for Spark release %s" % (CHANGELIST, NEW_RELEASE_VERSION)
os.chdir(SPARK_HOME)
if os.path.isfile(TMP_CHANGELIST):
os.remove(TMP_CHANGELIST)
if os.path.isfile(OLD_CHANGELIST):
os.remove(OLD_CHANGELIST)
append_to_changelist("Spark Change Log")
append_to_changelist("----------------")
append_to_changelist("")
append_to_changelist("Release %s" % NEW_RELEASE_VERSION)
append_to_changelist("")
print "Getting commits between tag %s and HEAD" % PREV_RELEASE_GIT_TAG
hashes = run_cmd("git log %s..HEAD --pretty='%%h'" % PREV_RELEASE_GIT_TAG).split()
print "Getting details of %s commits" % len(hashes)
for h in hashes:
date = run_cmd("git log %s -1 --pretty='%%ad' --date=iso | head -1" % h).strip()
subject = run_cmd("git log %s -1 --pretty='%%s' | head -1" % h).strip()
body = run_cmd("git log %s -1 --pretty='%%b'" % h)
committer = run_cmd("git log %s -1 --pretty='%%cn <%%ce>' | head -1" % h).strip()
body_lines = body.split("\n")
if "Merge pull" in subject:
# Parse old format commit message
append_to_changelist(" %s %s" % (h, date))
append_to_changelist(" %s" % subject)
append_to_changelist(" [%s]" % body_lines[0])
append_to_changelist("")
elif "maven-release" not in subject:
# Parse new format commit message
# Get authors from commit message, committer otherwise
authors = [committer]
if "Author:" in body:
authors = [line.split(":")[1].strip() for line in body_lines if "Author:" in line]
# Generate GitHub PR URL for easy access if possible
github_url = ""
if "Closes #" in body:
pr_num = [line.split()[1].lstrip("#") for line in body_lines if "Closes #" in line][0]
github_url = "github.com/apache/spark/pull/%s" % pr_num
day = time.strptime(date.split()[0], "%Y-%m-%d")
if (day < SPARK_REPO_CHANGE_DATE1 or
(day < SPARK_REPO_CHANGE_DATE2 and pr_num < SPARK_REPO_PR_NUM_THRESH)):
github_url = "github.com/apache/incubator-spark/pull/%s" % pr_num
append_to_changelist(" %s" % subject)
append_to_changelist(" %s" % ', '.join(authors))
# for author in authors:
# append_to_changelist(" %s" % author)
append_to_changelist(" %s" % date)
if len(github_url) > 0:
append_to_changelist(" Commit: %s, %s" % (h, github_url))
else:
append_to_changelist(" Commit: %s" % h)
append_to_changelist("")
# Append old change list
print "Appending changelist from tag %s" % PREV_RELEASE_GIT_TAG
run_cmd("git show %s:%s | tail -n +3 >> %s" % (PREV_RELEASE_GIT_TAG, CHANGELIST, TMP_CHANGELIST))
run_cmd("cp %s %s" % (TMP_CHANGELIST, NEW_CHANGELIST))
print "New change list generated as %s" % NEW_CHANGELIST
cleanup(False)
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