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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# 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.
"""
Utilities with minimum-depends for use in setup.py
"""
import os
import re
import subprocess
def parse_mailmap(mailmap='.mailmap'):
mapping = {}
if os.path.exists(mailmap):
fp = open(mailmap, 'r')
for l in fp:
l = l.strip()
if not l.startswith('#') and ' ' in l:
canonical_email, alias = l.split(' ')
mapping[alias] = canonical_email
return mapping
def canonicalize_emails(changelog, mapping):
"""Takes in a string and an email alias mapping and replaces all
instances of the aliases in the string with their real email.
"""
for alias, email in mapping.iteritems():
changelog = changelog.replace(alias, email)
return changelog
# Get requirements from the first file that exists
def get_reqs_from_files(requirements_files):
reqs_in = []
for requirements_file in requirements_files:
if os.path.exists(requirements_file):
return open(requirements_file, 'r').read().split('\n')
return []
def parse_requirements(requirements_files=['requirements.txt',
'tools/pip-requires']):
requirements = []
for line in get_reqs_from_files(requirements_files):
if re.match(r'\s*-e\s+', line):
requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
line))
elif re.match(r'\s*-f\s+', line):
pass
else:
requirements.append(line)
return requirements
def parse_dependency_links(requirements_files=['requirements.txt',
'tools/pip-requires']):
dependency_links = []
for line in get_reqs_from_files(requirements_files):
if re.match(r'(\s*#)|(\s*$)', line):
continue
if re.match(r'\s*-[ef]\s+', line):
dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
return dependency_links
def write_requirements():
venv = os.environ.get('VIRTUAL_ENV', None)
if venv is not None:
with open("requirements.txt", "w") as req_file:
output = subprocess.Popen(["pip", "-E", venv, "freeze", "-l"],
stdout=subprocess.PIPE)
requirements = output.communicate()[0].strip()
req_file.write(requirements)
def _run_shell_command(cmd):
output = subprocess.Popen(["/bin/sh", "-c", cmd],
stdout=subprocess.PIPE)
return output.communicate()[0].strip()
def write_vcsversion(location):
"""Produce a vcsversion dict that mimics the old one produced by bzr.
"""
if os.path.isdir('.git'):
branch_nick_cmd = 'git branch | grep -Ei "\* (.*)" | cut -f2 -d" "'
branch_nick = _run_shell_command(branch_nick_cmd)
revid_cmd = "git rev-parse HEAD"
revid = _run_shell_command(revid_cmd).split()[0]
revno_cmd = "git log --oneline | wc -l"
revno = _run_shell_command(revno_cmd)
with open(location, 'w') as version_file:
version_file.write("""
# This file is automatically generated by setup.py, So don't edit it. :)
version_info = {
'branch_nick': '%s',
'revision_id': '%s',
'revno': %s
}
""" % (branch_nick, revid, revno))
def write_git_changelog():
"""Write a changelog based on the git changelog."""
if os.path.isdir('.git'):
git_log_cmd = 'git log --stat'
changelog = _run_shell_command(git_log_cmd)
mailmap = parse_mailmap()
with open("ChangeLog", "w") as changelog_file:
changelog_file.write(canonicalize_emails(changelog, mailmap))
def generate_authors():
"""Create AUTHORS file using git commits."""
jenkins_email = 'jenkins@review.openstack.org'
old_authors = 'AUTHORS.in'
new_authors = 'AUTHORS'
if os.path.isdir('.git'):
# don't include jenkins email address in AUTHORS file
git_log_cmd = "git log --format='%aN <%aE>' | sort -u | " \
"grep -v " + jenkins_email
changelog = _run_shell_command(git_log_cmd)
mailmap = parse_mailmap()
with open(new_authors, 'w') as new_authors_fh:
new_authors_fh.write(canonicalize_emails(changelog, mailmap))
if os.path.exists(old_authors):
with open(old_authors, "r") as old_authors_fh:
new_authors_fh.write('\n' + old_authors_fh.read())
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