From 2c078f470b322a8697c9f5fb304184206340e49d Mon Sep 17 00:00:00 2001 From: florent Date: Mon, 16 Apr 2012 00:25:07 +0000 Subject: update buildout bootstrap --- diff --git a/bootstrap.py b/bootstrap.py index 7647cbb..7f07933 100644 --- a/bootstrap.py +++ b/bootstrap.py @@ -18,245 +18,99 @@ The script accepts buildout command-line options, so you can use the -c option to specify an alternate configuration file. """ -import os, shutil, sys, tempfile, urllib, urllib2, subprocess +import os, shutil, sys, tempfile, urllib2 from optparse import OptionParser -if sys.platform == 'win32': - def quote(c): - if ' ' in c: - return '"%s"' % c # work around spawn lamosity on windows - else: - return c -else: - quote = str - -# See zc.buildout.easy_install._has_broken_dash_S for motivation and comments. -stdout, stderr = subprocess.Popen( - [sys.executable, '-Sc', - 'try:\n' - ' import ConfigParser\n' - 'except ImportError:\n' - ' print 1\n' - 'else:\n' - ' print 0\n'], - stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate() -has_broken_dash_S = bool(int(stdout.strip())) - -# In order to be more robust in the face of system Pythons, we want to -# run without site-packages loaded. This is somewhat tricky, in -# particular because Python 2.6's distutils imports site, so starting -# with the -S flag is not sufficient. However, we'll start with that: -if not has_broken_dash_S and 'site' in sys.modules: - # We will restart with python -S. - args = sys.argv[:] - args[0:0] = [sys.executable, '-S'] - args = map(quote, args) - os.execv(sys.executable, args) -# Now we are running with -S. We'll get the clean sys.path, import site -# because distutils will do it later, and then reset the path and clean -# out any namespace packages from site-packages that might have been -# loaded by .pth files. -clean_path = sys.path[:] -import site # imported because of its side effects -sys.path[:] = clean_path -for k, v in sys.modules.items(): - if k in ('setuptools', 'pkg_resources') or ( - hasattr(v, '__path__') and - len(v.__path__) == 1 and - not os.path.exists(os.path.join(v.__path__[0], '__init__.py'))): - # This is a namespace package. Remove it. - sys.modules.pop(k) +tmpeggs = tempfile.mkdtemp() is_jython = sys.platform.startswith('java') -setuptools_source = 'http://peak.telecommunity.com/dist/ez_setup.py' -distribute_source = 'http://python-distribute.org/distribute_setup.py' - - # parsing arguments -def normalize_to_url(option, opt_str, value, parser): - if value: - if '://' not in value: # It doesn't smell like a URL. - value = 'file://%s' % ( - urllib.pathname2url( - os.path.abspath(os.path.expanduser(value))),) - if opt_str == '--download-base' and not value.endswith('/'): - # Download base needs a trailing slash to make the world happy. - value += '/' - else: - value = None - name = opt_str[2:].replace('-', '_') - setattr(parser.values, name, value) - -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 --setup-source and --download-base to point to -local resources, you can keep this script from going over the network. -''' - -parser = OptionParser(usage=usage) +parser = OptionParser() parser.add_option("-v", "--version", dest="version", help="use a specific zc.buildout version") parser.add_option("-d", "--distribute", - action="store_true", dest="use_distribute", default=False, + action="store_true", dest="distribute", default=False, help="Use Distribute rather than Setuptools.") -parser.add_option("--setup-source", action="callback", dest="setup_source", - callback=normalize_to_url, nargs=1, type="string", - help=("Specify a URL or file location for the setup file. " - "If you use Setuptools, this will default to " + - setuptools_source + "; if you use Distribute, this " - "will default to " + distribute_source + ".")) -parser.add_option("--download-base", action="callback", dest="download_base", - callback=normalize_to_url, nargs=1, type="string", - help=("Specify a URL or directory for downloading " - "zc.buildout and either Setuptools or Distribute. " - "Defaults to PyPI.")) -parser.add_option("--eggs", - help=("Specify a directory for storing eggs. Defaults to " - "a temporary directory that is deleted when the " - "bootstrap script completes.")) -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", None, action="store", dest="config_file", help=("Specify the path to the buildout configuration " "file to be used.")) options, args = parser.parse_args() -# if -c was provided, we push it back into args for buildout's main function +# if -c was provided, we push it back into args for buildout' main function if options.config_file is not None: args += ['-c', options.config_file] -if options.eggs: - eggs_dir = os.path.abspath(os.path.expanduser(options.eggs)) +if options.version is not None: + VERSION = '==%s' % options.version else: - eggs_dir = tempfile.mkdtemp() - -if options.setup_source is None: - if options.use_distribute: - options.setup_source = distribute_source - else: - options.setup_source = setuptools_source + VERSION = '' -if options.accept_buildout_test_releases: - args.append('buildout:accept-buildout-test-releases=true') -args.append('bootstrap') +USE_DISTRIBUTE = options.distribute +args = args + ['bootstrap'] try: import pkg_resources - import setuptools # A flag. Sometimes pkg_resources is installed alone. + import setuptools if not hasattr(pkg_resources, '_distribute'): raise ImportError except ImportError: - ez_code = urllib2.urlopen( - options.setup_source).read().replace('\r\n', '\n') ez = {} - exec ez_code in ez - setup_args = dict(to_dir=eggs_dir, download_delay=0) - if options.download_base: - setup_args['download_base'] = options.download_base - if options.use_distribute: - setup_args['no_fake'] = True - ez['use_setuptools'](**setup_args) - if 'pkg_resources' in sys.modules: - reload(sys.modules['pkg_resources']) - import pkg_resources - # 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) - -cmd = [quote(sys.executable), - '-c', - quote('from setuptools.command.easy_install import main; main()'), - '-mqNxd', - quote(eggs_dir)] - -if not has_broken_dash_S: - cmd.insert(1, '-S') + if USE_DISTRIBUTE: + exec urllib2.urlopen('http://python-distribute.org/distribute_setup.py' + ).read() in ez + ez['use_setuptools'](to_dir=tmpeggs, download_delay=0, no_fake=True) + else: + exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py' + ).read() in ez + ez['use_setuptools'](to_dir=tmpeggs, download_delay=0) -find_links = options.download_base -if not find_links: - find_links = os.environ.get('bootstrap-testing-find-links') -if find_links: - cmd.extend(['-f', quote(find_links)]) + reload(sys.modules['pkg_resources']) + import pkg_resources -if options.use_distribute: - setup_requirement = 'distribute' +if sys.platform == 'win32': + def quote(c): + if ' ' in c: + return '"%s"' % c # work around spawn lamosity on windows + else: + return c else: - setup_requirement = 'setuptools' -ws = pkg_resources.working_set -setup_requirement_path = ws.find( - pkg_resources.Requirement.parse(setup_requirement)).location -env = dict( - os.environ, - PYTHONPATH=setup_requirement_path) + def quote (c): + return c -requirement = 'zc.buildout' -version = options.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' +cmd = 'from setuptools.command.easy_install import main; main()' +ws = pkg_resources.working_set - def _final_version(parsed_version): - 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=[setup_requirement_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) +if USE_DISTRIBUTE: + requirement = 'distribute' +else: + requirement = 'setuptools' if is_jython: import subprocess - exitcode = subprocess.Popen(cmd, env=env).wait() -else: # Windows prefers this, apparently; otherwise we would prefer subprocess - exitcode = os.spawnle(*([os.P_WAIT, sys.executable] + cmd + [env])) -if exitcode != 0: - sys.stdout.flush() - sys.stderr.flush() - print ("An error occurred when trying to install zc.buildout. " - "Look above this message for any errors that " - "were output by easy_install.") - sys.exit(exitcode) -ws.add_entry(eggs_dir) -ws.require(requirement) + assert subprocess.Popen([sys.executable] + ['-c', quote(cmd), '-mqNxd', + quote(tmpeggs), 'zc.buildout' + VERSION], + env=dict(os.environ, + PYTHONPATH= + ws.find(pkg_resources.Requirement.parse(requirement)).location + ), + ).wait() == 0 + +else: + assert os.spawnle( + os.P_WAIT, sys.executable, quote (sys.executable), + '-c', quote (cmd), '-mqNxd', quote (tmpeggs), 'zc.buildout' + VERSION, + dict(os.environ, + PYTHONPATH= + ws.find(pkg_resources.Requirement.parse(requirement)).location + ), + ) == 0 + +ws.add_entry(tmpeggs) +ws.require('zc.buildout' + VERSION) import zc.buildout.buildout zc.buildout.buildout.main(args) -if not options.eggs: # clean up temporary egg directory - shutil.rmtree(eggs_dir) +shutil.rmtree(tmpeggs) -- cgit v0.9.1