pbr/pbr/packaging.py

505 lines
19 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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.
"""
Utilities with minimum-depends for use in setup.py
"""
import email
import os
import re
import subprocess
import sys
from d2to1.extern import six
from distutils.command import install as du_install
from distutils import log
import pkg_resources
from setuptools.command import easy_install
from setuptools.command import install
from setuptools.command import sdist
log.set_verbosity(log.INFO)
TRUE_VALUES = ['true', '1', 'yes']
def _parse_mailmap(mailmap_info):
mapping = dict()
for l in mailmap_info:
try:
canonical_email, alias = re.match(
r'[^#]*?(<.+>).*(<.+>).*', l).groups()
except AttributeError:
continue
mapping[alias] = canonical_email
return mapping
def read_git_mailmap(git_dir, mailmap='.mailmap'):
mailmap = os.path.join(git_dir, mailmap)
if os.path.exists(mailmap):
return _parse_mailmap(open(mailmap, 'r').readlines())
return dict()
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_address in six.iteritems(mapping):
changelog = changelog.replace(alias, email_address)
return changelog
# Get requirements from the first file that exists
def get_reqs_from_files(requirements_files):
for requirements_file in requirements_files:
if os.path.exists(requirements_file):
with open(requirements_file, 'r') as fil:
return fil.read().split('\n')
return []
def parse_requirements(requirements_files=['requirements.txt',
'tools/pip-requires']):
def egg_fragment(match):
# take a versioned egg fragment and return a
# versioned package requirement e.g.
# nova-1.2.3 becomes nova>=1.2.3
return re.sub(r'([\w.]+)-([\w.-]+)',
r'\1>=\2',
match.group(1))
requirements = []
for line in get_reqs_from_files(requirements_files):
# For the requirements list, we need to inject only the portion
# after egg= so that distutils knows the package it's looking for
# such as:
# -e git://github.com/openstack/nova/master#egg=nova
# -e git://github.com/openstack/nova/master#egg=nova-1.2.3
if re.match(r'\s*-e\s+', line):
requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$',
egg_fragment,
line))
# such as:
# http://github.com/openstack/nova/zipball/master#egg=nova
# http://github.com/openstack/nova/zipball/master#egg=nova-1.2.3
elif re.match(r'\s*https?:', line):
requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$',
egg_fragment,
line))
# -f lines are for index locations, and don't get used here
elif re.match(r'\s*-f\s+', line):
pass
# argparse is part of the standard library starting with 2.7
# adding it to the requirements list screws distro installs
elif line == 'argparse' and sys.version_info >= (2, 7):
pass
else:
requirements.append(line)
return requirements
def parse_dependency_links(requirements_files=['requirements.txt',
'tools/pip-requires']):
dependency_links = []
# dependency_links inject alternate locations to find packages listed
# in requirements
for line in get_reqs_from_files(requirements_files):
# skip comments and blank lines
if re.match(r'(\s*#)|(\s*$)', line):
continue
# lines with -e or -f need the whole line, minus the flag
if re.match(r'\s*-[ef]\s+', line):
dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
# lines that are only urls can go in unmolested
elif re.match(r'\s*https?:', line):
dependency_links.append(line)
return dependency_links
def _run_shell_command(cmd, throw_on_error=False):
if os.name == 'nt':
output = subprocess.Popen(["cmd.exe", "/C", cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
else:
output = subprocess.Popen(["/bin/sh", "-c", cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out = output.communicate()
if output.returncode and throw_on_error:
raise Exception("%s returned %d" % cmd, output.returncode)
if len(out) == 0:
return None
if len(out[0].strip()) == 0:
return None
return out[0].strip().decode('utf-8')
def _get_git_directory():
return _run_shell_command("git rev-parse --git-dir", None)
def get_boolean_option(option_dict, option_name, env_name):
return ((option_name in option_dict
and option_dict[option_name][1].lower() in TRUE_VALUES) or
str(os.getenv(env_name)).lower() in TRUE_VALUES)
def write_git_changelog(git_dir=None, dest_dir=os.path.curdir,
option_dict=dict()):
"""Write a changelog based on the git changelog."""
should_skip = get_boolean_option(option_dict, 'skip_changelog',
'SKIP_WRITE_GIT_CHANGELOG')
if not should_skip:
log.info('[pbr] Writing ChangeLog')
new_changelog = os.path.join(dest_dir, 'ChangeLog')
if git_dir is None:
git_dir = _get_git_directory()
if git_dir:
git_log_cmd = 'git --git-dir=%s log' % git_dir
changelog = _run_shell_command(git_log_cmd)
mailmap = read_git_mailmap(git_dir)
with open(new_changelog, "wb") as changelog_file:
changelog_file.write(canonicalize_emails(
changelog, mailmap).encode('utf-8'))
def generate_authors(git_dir=None, dest_dir='.', option_dict=dict()):
"""Create AUTHORS file using git commits."""
should_skip = get_boolean_option(option_dict, 'skip_authors',
'SKIP_GENERATE_AUTHORS')
if not should_skip:
log.info('[pbr] Generating AUTHORS')
jenkins_email = 'jenkins@review'
old_authors = os.path.join(dest_dir, 'AUTHORS.in')
new_authors = os.path.join(dest_dir, 'AUTHORS')
if git_dir is None:
git_dir = _get_git_directory()
if git_dir:
# don't include jenkins email address in AUTHORS file
git_log_cmd = ("git --git-dir=" + git_dir +
" log --format='%aN <%aE>' | sort -u | "
"egrep -v '" + jenkins_email + "'")
changelog = _run_shell_command(git_log_cmd)
signed_cmd = ("git log --git-dir=" + git_dir +
" | grep -i Co-authored-by: | sort -u")
signed_entries = _run_shell_command(signed_cmd)
if signed_entries:
new_entries = "\n".join(
[signed.split(":", 1)[1].strip()
for signed in signed_entries.split("\n") if signed])
changelog = "\n".join((changelog, new_entries))
mailmap = read_git_mailmap(git_dir)
with open(new_authors, 'wb') as new_authors_fh:
new_authors_fh.write(canonicalize_emails(
changelog, mailmap).encode('utf-8'))
if os.path.exists(old_authors):
with open(old_authors, "rb") as old_authors_fh:
new_authors_fh.write(b'\n' + old_authors_fh.read())
_rst_template = """%(heading)s
%(underline)s
.. automodule:: %(module)s
:members:
:undoc-members:
:show-inheritance:
"""
def _find_modules(arg, dirname, files):
for filename in files:
if filename.endswith('.py') and filename != '__init__.py':
arg["%s.%s" % (dirname.replace('/', '.'),
filename[:-3])] = True
class DistutilsInstall(install.install):
"""Forces single-version-externally-managed."""
command_name = 'install'
def fetch_build_egg(self, req):
"""Fetch an egg needed for building."""
try:
cmd = self._egg_fetcher
cmd.package_index.to_scan = []
except AttributeError:
dist = self.distribution.__class__(
{'script_args': ['easy_install']})
dist.parse_config_files()
opts = dist.get_option_dict('easy_install')
keep = (
'find_links', 'site_dirs', 'index_url', 'optimize',
'site_dirs', 'allow_hosts'
)
for key in opts.keys():
if key not in keep:
del opts[key] # don't use any other settings
if self.distribution.dependency_links:
links = self.distribution.dependency_links[:]
if 'find_links' in opts:
links = opts['find_links'][1].split() + links
opts['find_links'] = ('setup', links)
cmd = easy_install.easy_install(
dist, args=["x"],
always_copy=False, build_directory=None, editable=False,
upgrade=False, multi_version=True, no_report=True
)
cmd.ensure_finalized()
self._egg_fetcher = cmd
return cmd.easy_install(req)
def run(self):
for dist in pkg_resources.working_set.resolve(
pkg_resources.parse_requirements(
self.distribution.install_requires),
installer=self.fetch_build_egg):
pkg_resources.working_set.add(dist)
return du_install.install.run(self)
class LocalSDist(sdist.sdist):
"""Builds the ChangeLog and Authors files from VC first."""
command_name = 'sdist'
def run(self):
option_dict = self.distribution.get_option_dict('pbr')
write_git_changelog(option_dict=option_dict)
generate_authors(option_dict=option_dict)
# sdist.sdist is an old style class, can't use super()
sdist.sdist.run(self)
try:
from sphinx import application
from sphinx import config
from sphinx import setup_command
class LocalBuildDoc(setup_command.BuildDoc):
command_name = 'build_sphinx'
builders = ['html', 'man']
def generate_autoindex(self):
option_dict = self.distribution.get_option_dict('build_sphinx')
log.info("[pbr] Autodocumenting from %s"
% os.path.abspath(os.curdir))
modules = {}
if 'source_dir' in option_dict:
source_dir = os.path.join(option_dict['source_dir'][1], 'api')
else:
source_dir = 'doc/source/api'
if not os.path.exists(source_dir):
os.makedirs(source_dir)
for pkg in self.distribution.packages:
if '.' not in pkg:
for dirpath, dirnames, files in os.walk(pkg):
_find_modules(modules, dirpath, files)
module_list = list(modules.keys())
module_list.sort()
autoindex_filename = os.path.join(source_dir, 'autoindex.rst')
with open(autoindex_filename, 'w') as autoindex:
autoindex.write(""".. toctree::
:maxdepth: 1
""")
for module in module_list:
output_filename = os.path.join(source_dir,
"%s.rst" % module)
heading = "The :mod:`%s` Module" % module
underline = "=" * len(heading)
values = dict(module=module, heading=heading,
underline=underline)
log.info("[pbr] Generating %s"
% output_filename)
with open(output_filename, 'w') as output_file:
output_file.write(_rst_template % values)
autoindex.write(" %s.rst\n" % module)
def _sphinx_run(self):
if not self.verbose:
status_stream = six.StringIO()
else:
status_stream = sys.stdout
confoverrides = {}
if self.version:
confoverrides['version'] = self.version
if self.release:
confoverrides['release'] = self.release
if self.today:
confoverrides['today'] = self.today
sphinx_config = config.Config(self.config_dir, 'conf.py', {}, [])
if self.builder == 'man' and len(sphinx_config.man_pages) == 0:
return
app = application.Sphinx(
self.source_dir, self.config_dir,
self.builder_target_dir, self.doctree_dir,
self.builder, confoverrides, status_stream,
freshenv=self.fresh_env, warningiserror=True)
try:
app.build(force_all=self.all_files)
except Exception as err:
from docutils import utils
if isinstance(err, utils.SystemMessage):
sys.stder.write('reST markup error:\n')
sys.stderr.write(err.args[0].encode('ascii',
'backslashreplace'))
sys.stderr.write('\n')
else:
raise
if self.link_index:
src = app.config.master_doc + app.builder.out_suffix
dst = app.builder.get_outfilename('index')
os.symlink(src, dst)
def run(self):
option_dict = self.distribution.get_option_dict('pbr')
if ('autodoc_index_modules' in option_dict and
option_dict.get(
'autodoc_index_modules')[1].lower() in TRUE_VALUES and
not os.getenv('SPHINX_DEBUG')):
self.generate_autoindex()
for builder in self.builders:
self.builder = builder
self.finalize_options()
self.project = self.distribution.get_name()
self.version = self.distribution.get_version()
self.release = self.distribution.get_version()
if 'warnerrors' in option_dict:
self._sphinx_run()
else:
setup_command.BuildDoc.run(self)
class LocalBuildLatex(LocalBuildDoc):
builders = ['latex']
command_name = 'build_sphinx_latex'
_have_sphinx = True
except ImportError:
_have_sphinx = False
def have_sphinx():
return _have_sphinx
def _get_revno(git_dir):
"""Return the number of commits since the most recent tag.
We use git-describe to find this out, but if there are no
tags then we fall back to counting commits since the beginning
of time.
"""
describe = _run_shell_command(
"git --git-dir=%s describe --always" % git_dir)
if "-" in describe:
return describe.rsplit("-", 2)[-2]
# no tags found
revlist = _run_shell_command(
"git --git-dir=%s rev-list --abbrev-commit HEAD" % git_dir)
return len(revlist.splitlines())
def _get_version_from_git(pre_version):
"""Return a version which is equal to the tag that's on the current
revision if there is one, or tag plus number of additional revisions
if the current revision has no tag.
"""
git_dir = _get_git_directory()
if git_dir:
if pre_version:
try:
return _run_shell_command(
"git --git-dir=" + git_dir + " describe --exact-match",
throw_on_error=True).replace('-', '.')
except Exception:
sha = _run_shell_command(
"git --git-dir=" + git_dir + " log -n1 --pretty=format:%h")
return "%s.a%s.g%s" % (pre_version, _get_revno(git_dir), sha)
else:
return _run_shell_command(
"git --git-dir=" + git_dir + " describe --always").replace(
'-', '.')
return None
def _get_version_from_pkg_info(package_name):
"""Get the version from PKG-INFO file if we can."""
try:
pkg_info_file = open('PKG-INFO', 'r')
except (IOError, OSError):
return None
try:
pkg_info = email.message_from_file(pkg_info_file)
except email.MessageError:
return None
# Check to make sure we're in our own dir
if pkg_info.get('Name', None) != package_name:
return None
return pkg_info.get('Version', None)
def get_version(package_name, pre_version=None):
"""Get the version of the project. First, try getting it from PKG-INFO, if
it exists. If it does, that means we're in a distribution tarball or that
install has happened. Otherwise, if there is no PKG-INFO file, pull the
version from git.
We do not support setup.py version sanity in git archive tarballs, nor do
we support packagers directly sucking our git repo into theirs. We expect
that a source tarball be made from our git repo - or that if someone wants
to make a source tarball from a fork of our repo with additional tags in it
that they understand and desire the results of doing that.
"""
version = os.environ.get("OSLO_PACKAGE_VERSION", None)
if version:
return version
version = _get_version_from_pkg_info(package_name)
if version:
return version
version = _get_version_from_git(pre_version)
if version:
return version
raise Exception("Versioning for this project requires either an sdist"
" tarball, or access to an upstream git repository.")
def get_manpath():
manpath = 'share/man'
if os.path.exists(os.path.join(sys.prefix, 'man')):
# This works around a bug with install where it expects every node
# in the relative data directory to be an actual directory, since at
# least Debian derivatives (and probably other platforms as well)
# like to symlink Unixish /usr/local/man to /usr/local/share/man.
manpath = 'man'
return manpath