diff --git a/bootstrap.py b/bootstrap.py index 4acba2c..a459921 100644 --- a/bootstrap.py +++ b/bootstrap.py @@ -1,6 +1,6 @@ ############################################################################## # -# Copyright (c) 2007 Zope Foundation and Contributors. +# Copyright (c) 2006 Zope Foundation and Contributors. # All Rights Reserved. # # This software is subject to the provisions of the Zope Public License, @@ -16,39 +16,195 @@ Simply run this script in a directory containing a buildout.cfg. The script accepts buildout command-line options, so you can use the -c option to specify an alternate configuration file. - -$Id: bootstrap.py,v 1.1 2009/01/10 15:13:39 shane Exp $ """ -import os, shutil, sys, tempfile, urllib2 +import os +import shutil +import sys +import tempfile -tmpeggs = tempfile.mkdtemp() +from optparse import OptionParser + +__version__ = '2015-07-01' +# See zc.buildout's changelog if this version is up to date. + +tmpeggs = tempfile.mkdtemp(prefix='bootstrap-') + +usage = '''\ +[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options] + +Bootstraps a buildout-based project. + +Simply run this script in a directory containing a buildout.cfg, using the +Python that you want bin/buildout to use. + +Note that by using --find-links to point to local resources, you can keep +this script from going over the network. +''' + +parser = OptionParser(usage=usage) +parser.add_option("--version", + action="store_true", default=False, + help=("Return bootstrap.py version.")) +parser.add_option("-t", "--accept-buildout-test-releases", + dest='accept_buildout_test_releases', + action="store_true", default=False, + help=("Normally, if you do not specify a --version, the " + "bootstrap script and buildout gets the newest " + "*final* versions of zc.buildout and its recipes and " + "extensions for you. If you use this flag, " + "bootstrap and buildout will get the newest releases " + "even if they are alphas or betas.")) +parser.add_option("-c", "--config-file", + help=("Specify the path to the buildout configuration " + "file to be used.")) +parser.add_option("-f", "--find-links", + help=("Specify a URL to search for buildout releases")) +parser.add_option("--allow-site-packages", + action="store_true", default=False, + help=("Let bootstrap.py use existing site packages")) +parser.add_option("--buildout-version", + help="Use a specific zc.buildout version") +parser.add_option("--setuptools-version", + help="Use a specific setuptools version") +parser.add_option("--setuptools-to-dir", + help=("Allow for re-use of existing directory of " + "setuptools versions")) + +options, args = parser.parse_args() +if options.version: + print("bootstrap.py version %s" % __version__) + sys.exit(0) + + +###################################################################### +# load/install setuptools + +try: + from urllib.request import urlopen +except ImportError: + from urllib2 import urlopen ez = {} -exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py' - ).read() in ez -ez['use_setuptools'](to_dir=tmpeggs, download_delay=0) +if os.path.exists('ez_setup.py'): + exec(open('ez_setup.py').read(), ez) +else: + exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez) -# use pkg_resources from the package just downloaded. -del sys.modules['pkg_resources'] +if not options.allow_site_packages: + # ez_setup imports site, which adds site packages + # this will remove them from the path to ensure that incompatible versions + # of setuptools are not in the path + import site + # inside a virtualenv, there is no 'getsitepackages'. + # We can't remove these reliably + if hasattr(site, 'getsitepackages'): + for sitepackage_path in site.getsitepackages(): + # Strip all site-packages directories from sys.path that + # are not sys.prefix; this is because on Windows + # sys.prefix is a site-package directory. + if sitepackage_path != sys.prefix: + sys.path[:] = [x for x in sys.path + if sitepackage_path not in x] + +setup_args = dict(to_dir=tmpeggs, download_delay=0) + +if options.setuptools_version is not None: + setup_args['version'] = options.setuptools_version +if options.setuptools_to_dir is not None: + setup_args['to_dir'] = options.setuptools_to_dir + +ez['use_setuptools'](**setup_args) +import setuptools import pkg_resources -cmd = 'from setuptools.command.easy_install import main; main()' -if sys.platform == 'win32': - cmd = '"%s"' % cmd # work around spawn lamosity on windows +# This does not (always?) update the default working set. We will +# do it. +for path in sys.path: + if path not in pkg_resources.working_set.entries: + pkg_resources.working_set.add_entry(path) + +###################################################################### +# Install buildout ws = pkg_resources.working_set -assert os.spawnle( - os.P_WAIT, sys.executable, sys.executable, - '-c', cmd, '-mqNxd', tmpeggs, 'zc.buildout', - dict(os.environ, - PYTHONPATH= - ws.find(pkg_resources.Requirement.parse('setuptools')).location - ), - ) == 0 + +setuptools_path = ws.find( + pkg_resources.Requirement.parse('setuptools')).location + +# Fix sys.path here as easy_install.pth added before PYTHONPATH +cmd = [sys.executable, '-c', + 'import sys; sys.path[0:0] = [%r]; ' % setuptools_path + + 'from setuptools.command.easy_install import main; main()', + '-mZqNxd', tmpeggs] + +find_links = os.environ.get( + 'bootstrap-testing-find-links', + options.find_links or + ('http://downloads.buildout.org/' + if options.accept_buildout_test_releases else None) + ) +if find_links: + cmd.extend(['-f', find_links]) + +requirement = 'zc.buildout' +version = options.buildout_version +if version is None and not options.accept_buildout_test_releases: + # Figure out the most recent final version of zc.buildout. + import setuptools.package_index + _final_parts = '*final-', '*final' + + def _final_version(parsed_version): + try: + return not parsed_version.is_prerelease + except AttributeError: + # Older setuptools + for part in parsed_version: + if (part[:1] == '*') and (part not in _final_parts): + return False + return True + + index = setuptools.package_index.PackageIndex( + search_path=[setuptools_path]) + if find_links: + index.add_find_links((find_links,)) + req = pkg_resources.Requirement.parse(requirement) + if index.obtain(req) is not None: + best = [] + bestv = None + for dist in index[req.project_name]: + distv = dist.parsed_version + if _final_version(distv): + if bestv is None or distv > bestv: + best = [dist] + bestv = distv + elif distv == bestv: + best.append(dist) + if best: + best.sort() + version = best[-1].version +if version: + requirement = '=='.join((requirement, version)) +cmd.append(requirement) + +import subprocess +if subprocess.call(cmd) != 0: + raise Exception( + "Failed to execute command:\n%s" % repr(cmd)[1:-1]) + +###################################################################### +# Import and run buildout ws.add_entry(tmpeggs) -ws.require('zc.buildout') +ws.require(requirement) import zc.buildout.buildout -zc.buildout.buildout.main(sys.argv[1:] + ['bootstrap']) + +if not [a for a in args if '=' not in a]: + args.append('bootstrap') + +# if -c was provided, we push it back into args for buildout' main function +if options.config_file is not None: + args[0:0] = ['-c', options.config_file] + +zc.buildout.buildout.main(args) shutil.rmtree(tmpeggs)