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# Copyright 2011 OpenStack LLC.
# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
# 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.
from __future__ import unicode_literals
import distutils.errors
from distutils import log
import errno
import io
import os
import re
import subprocess
import time
import pkg_resources
from pbr import options
def _run_shell_command(cmd, throw_on_error=False, buffer=True, env=None):
if buffer:
out_location = subprocess.PIPE
err_location = subprocess.PIPE
else:
out_location = None
err_location = None
newenv = os.environ.copy()
if env:
newenv.update(env)
output = subprocess.Popen(cmd,
stdout=out_location,
stderr=err_location,
env=newenv)
out = output.communicate()
if output.returncode and throw_on_error:
raise distutils.errors.DistutilsError(
"%s returned %d" % (cmd, output.returncode))
if len(out) == 0 or not out[0] or not out[0].strip():
return ''
# Since we don't control the history, and forcing users to rebase arbitrary
# history to fix utf8 issues is harsh, decode with replace.
return out[0].strip().decode('utf-8', 'replace')
def _run_git_command(cmd, git_dir, **kwargs):
if not isinstance(cmd, (list, tuple)):
cmd = [cmd]
return _run_shell_command(
['git', '--git-dir=%s' % git_dir] + cmd, **kwargs)
def _get_git_directory():
try:
return _run_shell_command(['git', 'rev-parse', '--git-dir'])
except OSError as e:
if e.errno == errno.ENOENT:
# git not installed.
return ''
raise
def _git_is_installed():
try:
# We cannot use 'which git' as it may not be available
# in some distributions, So just try 'git --version'
# to see if we run into trouble
_run_shell_command(['git', '--version'])
except OSError:
return False
return True
def _get_highest_tag(tags):
"""Find the highest tag from a list.
Pass in a list of tag strings and this will return the highest
(latest) as sorted by the pkg_resources version parser.
"""
return max(tags, key=pkg_resources.parse_version)
def _find_git_files(dirname='', git_dir=None):
"""Behave like a file finder entrypoint plugin.
We don't actually use the entrypoints system for this because it runs
at absurd times. We only want to do this when we are building an sdist.
"""
file_list = []
if git_dir is None:
git_dir = _run_git_functions()
if git_dir:
log.info("[pbr] In git context, generating filelist from git")
file_list = _run_git_command(['ls-files', '-z'], git_dir)
# Users can fix utf8 issues locally with a single commit, so we are
# strict here.
file_list = file_list.split(b'\x00'.decode('utf-8'))
return [f for f in file_list if f]
def _get_raw_tag_info(git_dir):
describe = _run_git_command(['describe', '--always'], git_dir)
if "-" in describe:
return describe.rsplit("-", 2)[-2]
if "." in describe:
return 0
return None
def get_is_release(git_dir):
return _get_raw_tag_info(git_dir) == 0
def _run_git_functions():
git_dir = None
if _git_is_installed():
git_dir = _get_git_directory()
return git_dir or None
def get_git_short_sha(git_dir=None):
"""Return the short sha for this repo, if it exists."""
if not git_dir:
git_dir = _run_git_functions()
if git_dir:
return _run_git_command(
['log', '-n1', '--pretty=format:%h'], git_dir)
return None
def _iter_changelog(changelog):
"""Convert a oneline log iterator to formatted strings.
:param changelog: An iterator of one line log entries like
that given by _iter_log_oneline.
:return: An iterator over (release, formatted changelog) tuples.
"""
first_line = True
current_release = None
yield current_release, "CHANGES\n=======\n\n"
for hash, tags, msg in changelog:
if tags:
current_release = _get_highest_tag(tags)
underline = len(current_release) * '-'
if not first_line:
yield current_release, '\n'
yield current_release, (
"%(tag)s\n%(underline)s\n\n" %
dict(tag=current_release, underline=underline))
if not msg.startswith("Merge "):
if msg.endswith("."):
msg = msg[:-1]
yield current_release, "* %(msg)s\n" % dict(msg=msg)
first_line = False
def _iter_log_oneline(git_dir=None):
"""Iterate over --oneline log entries if possible.
This parses the output into a structured form but does not apply
presentation logic to the output - making it suitable for different
uses.
:return: An iterator of (hash, tags_set, 1st_line) tuples, or None if
changelog generation is disabled / not available.
"""
if git_dir is None:
git_dir = _get_git_directory()
if not git_dir:
return []
return _iter_log_inner(git_dir)
def _iter_log_inner(git_dir):
"""Iterate over --oneline log entries.
This parses the output intro a structured form but does not apply
presentation logic to the output - making it suitable for different
uses.
:return: An iterator of (hash, tags_set, 1st_line) tuples.
"""
log.info('[pbr] Generating ChangeLog')
log_cmd = ['log', '--oneline', '--decorate']
changelog = _run_git_command(log_cmd, git_dir)
for line in changelog.split('\n'):
line_parts = line.split()
if len(line_parts) < 2:
continue
# Tags are in a list contained in ()'s. If a commit
# subject that is tagged happens to have ()'s in it
# this will fail
if line_parts[1].startswith('(') and ')' in line:
msg = line.split(')')[1].strip()
else:
msg = " ".join(line_parts[1:])
if "tag:" in line:
tags = set([
tag.split(",")[0]
for tag in line.split(")")[0].split("tag: ")[1:]])
else:
tags = set()
yield line_parts[0], tags, msg
def write_git_changelog(git_dir=None, dest_dir=os.path.curdir,
option_dict=None, changelog=None):
"""Write a changelog based on the git changelog."""
start = time.time()
if not option_dict:
option_dict = {}
should_skip = options.get_boolean_option(option_dict, 'skip_changelog',
'SKIP_WRITE_GIT_CHANGELOG')
if should_skip:
return
if not changelog:
changelog = _iter_log_oneline(git_dir=git_dir)
if changelog:
changelog = _iter_changelog(changelog)
if not changelog:
return
log.info('[pbr] Writing ChangeLog')
new_changelog = os.path.join(dest_dir, 'ChangeLog')
# If there's already a ChangeLog and it's not writable, just use it
if (os.path.exists(new_changelog)
and not os.access(new_changelog, os.W_OK)):
return
with io.open(new_changelog, "w", encoding="utf-8") as changelog_file:
for release, content in changelog:
changelog_file.write(content)
stop = time.time()
log.info('[pbr] ChangeLog complete (%0.1fs)' % (stop - start))
def generate_authors(git_dir=None, dest_dir='.', option_dict=dict()):
"""Create AUTHORS file using git commits."""
should_skip = options.get_boolean_option(option_dict, 'skip_authors',
'SKIP_GENERATE_AUTHORS')
if should_skip:
return
start = time.time()
old_authors = os.path.join(dest_dir, 'AUTHORS.in')
new_authors = os.path.join(dest_dir, 'AUTHORS')
# If there's already an AUTHORS file and it's not writable, just use it
if (os.path.exists(new_authors)
and not os.access(new_authors, os.W_OK)):
return
log.info('[pbr] Generating AUTHORS')
ignore_emails = '(jenkins@review|infra@lists|jenkins@openstack)'
if git_dir is None:
git_dir = _get_git_directory()
if git_dir:
authors = []
# don't include jenkins email address in AUTHORS file
git_log_cmd = ['log', '--format=%aN <%aE>']
authors += _run_git_command(git_log_cmd, git_dir).split('\n')
authors = [a for a in authors if not re.search(ignore_emails, a)]
# get all co-authors from commit messages
co_authors_out = _run_git_command('log', git_dir)
co_authors = re.findall('Co-authored-by:.+', co_authors_out,
re.MULTILINE)
co_authors = [signed.split(":", 1)[1].strip()
for signed in co_authors if signed]
authors += co_authors
authors = sorted(set(authors))
with open(new_authors, 'wb') as new_authors_fh:
if os.path.exists(old_authors):
with open(old_authors, "rb") as old_authors_fh:
new_authors_fh.write(old_authors_fh.read())
new_authors_fh.write(('\n'.join(authors) + '\n')
.encode('utf-8'))
stop = time.time()
log.info('[pbr] AUTHORS complete (%0.1fs)' % (stop - start))
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