#!/usr/bin/env 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.
#
# This file contains helper methods used in creating a release.
import re
from subprocess import Popen, PIPE
# Utility functions run git commands (written with Git 1.8.5)
def run_cmd(cmd): return Popen(cmd, stdout=PIPE).communicate()[0]
def get_author(commit_hash):
return run_cmd(["git", "show", "--quiet", "--pretty=format:%an", commit_hash])
def get_date(commit_hash):
return run_cmd(["git", "show", "--quiet", "--pretty=format:%cd", commit_hash])
def get_one_line(commit_hash):
return run_cmd(["git", "show", "--quiet", "--pretty=format:\"%h %cd %s\"", commit_hash])
def get_one_line_commits(start_hash, end_hash):
return run_cmd(["git", "log", "--oneline", "%s..%s" % (start_hash, end_hash)])
def num_commits_in_range(start_hash, end_hash):
output = run_cmd(["git", "log", "--oneline", "%s..%s" % (start_hash, end_hash)])
lines = [line for line in output.split("\n") if line] # filter out empty lines
return len(lines)
# Maintain a mapping for translating issue types to contributions in the release notes
# This serves an additional function of warning the user against unknown issue types
# Note: This list is partially derived from this link:
# https://issues.apache.org/jira/plugins/servlet/project-config/SPARK/issuetypes
# Keep these in lower case
known_issue_types = {
"bug": "bug fixes",
"build": "build fixes",
"improvement": "improvements",
"new feature": "new features",
"documentation": "documentation"
}
# Maintain a mapping for translating component names when creating the release notes
# This serves an additional function of warning the user against unknown components
# Note: This list is largely derived from this link:
# https://issues.apache.org/jira/plugins/servlet/project-config/SPARK/components
CORE_COMPONENT = "Core"
known_components = {
"block manager": CORE_COMPONENT,
"build": CORE_COMPONENT,
"deploy": CORE_COMPONENT,
"documentation": CORE_COMPONENT,
"ec2": "EC2",
"examples": CORE_COMPONENT,
"graphx": "GraphX",
"input/output": CORE_COMPONENT,
"java api": "Java API",
"mesos": "Mesos",
"ml": "MLlib",
"mllib": "MLlib",
"project infra": "Project Infra",
"pyspark": "PySpark",
"shuffle": "Shuffle",
"spark core": CORE_COMPONENT,
"spark shell": CORE_COMPONENT,
"sql": "SQL",
"streaming": "Streaming",
"web ui": "Web UI",
"windows": "Windows",
"yarn": "YARN"
}
# Translate issue types using a format appropriate for writing contributions
# If an unknown issue type is encountered, warn the user
def translate_issue_type(issue_type, issue_id, warnings):
issue_type = issue_type.lower()
if issue_type in known_issue_types:
return known_issue_types[issue_type]
else:
warnings.append("Unknown issue type \"%s\" (see %s)" % (issue_type, issue_id))
return issue_type
# Translate component names using a format appropriate for writing contributions
# If an unknown component is encountered, warn the user
def translate_component(component, commit_hash, warnings):
component = component.lower()
if component in known_components:
return known_components[component]
else:
warnings.append("Unknown component \"%s\" (see %s)" % (component, commit_hash))
return component
# Parse components in the commit message
# The returned components are already filtered and translated
def find_components(commit, commit_hash):
components = re.findall("\[\w*\]", commit.lower())
components = [translate_component(c, commit_hash)\
for c in components if c in known_components]
return components
# Join a list of strings in a human-readable manner
# e.g. ["Juice"] -> "Juice"
# e.g. ["Juice", "baby"] -> "Juice and baby"
# e.g. ["Juice", "baby", "moon"] -> "Juice, baby, and moon"
def nice_join(str_list):
str_list = list(str_list) # sometimes it's a set
if not str_list:
return ""
elif len(str_list) == 1:
return next(iter(str_list))
elif len(str_list) == 2:
return " and ".join(str_list)
else:
return ", ".join(str_list[:-1]) + ", and " + str_list[-1]