Update to latest bootstrap
This commit is contained in:
Jim Fulton
parent
3a49a6b23e
commit
03377e0ea2
202
bootstrap.py
202
bootstrap.py
@ -1,6 +1,6 @@
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##############################################################################
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#
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# Copyright (c) 2007 Zope Foundation and Contributors.
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# Copyright (c) 2006 Zope Foundation and Contributors.
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# All Rights Reserved.
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#
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# This software is subject to the provisions of the Zope Public License,
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@ -16,39 +16,195 @@
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Simply run this script in a directory containing a buildout.cfg.
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The script accepts buildout command-line options, so you can
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use the -c option to specify an alternate configuration file.
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$Id: bootstrap.py,v 1.1 2009/01/10 15:13:39 shane Exp $
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"""
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import os, shutil, sys, tempfile, urllib2
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import os
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import shutil
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import sys
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import tempfile
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tmpeggs = tempfile.mkdtemp()
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from optparse import OptionParser
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__version__ = '2015-07-01'
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# See zc.buildout's changelog if this version is up to date.
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tmpeggs = tempfile.mkdtemp(prefix='bootstrap-')
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usage = '''\
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[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
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Bootstraps a buildout-based project.
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Simply run this script in a directory containing a buildout.cfg, using the
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Python that you want bin/buildout to use.
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Note that by using --find-links to point to local resources, you can keep
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this script from going over the network.
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'''
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parser = OptionParser(usage=usage)
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parser.add_option("--version",
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action="store_true", default=False,
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help=("Return bootstrap.py version."))
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parser.add_option("-t", "--accept-buildout-test-releases",
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dest='accept_buildout_test_releases',
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action="store_true", default=False,
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help=("Normally, if you do not specify a --version, the "
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"bootstrap script and buildout gets the newest "
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"*final* versions of zc.buildout and its recipes and "
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"extensions for you. If you use this flag, "
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"bootstrap and buildout will get the newest releases "
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"even if they are alphas or betas."))
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parser.add_option("-c", "--config-file",
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help=("Specify the path to the buildout configuration "
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"file to be used."))
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parser.add_option("-f", "--find-links",
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help=("Specify a URL to search for buildout releases"))
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parser.add_option("--allow-site-packages",
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action="store_true", default=False,
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help=("Let bootstrap.py use existing site packages"))
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parser.add_option("--buildout-version",
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help="Use a specific zc.buildout version")
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parser.add_option("--setuptools-version",
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help="Use a specific setuptools version")
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parser.add_option("--setuptools-to-dir",
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help=("Allow for re-use of existing directory of "
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"setuptools versions"))
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options, args = parser.parse_args()
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if options.version:
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print("bootstrap.py version %s" % __version__)
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sys.exit(0)
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######################################################################
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# load/install setuptools
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try:
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from urllib.request import urlopen
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except ImportError:
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from urllib2 import urlopen
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ez = {}
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exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py'
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).read() in ez
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ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
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if os.path.exists('ez_setup.py'):
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exec(open('ez_setup.py').read(), ez)
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else:
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exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez)
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# use pkg_resources from the package just downloaded.
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del sys.modules['pkg_resources']
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if not options.allow_site_packages:
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# ez_setup imports site, which adds site packages
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# this will remove them from the path to ensure that incompatible versions
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# of setuptools are not in the path
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import site
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# inside a virtualenv, there is no 'getsitepackages'.
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# We can't remove these reliably
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if hasattr(site, 'getsitepackages'):
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for sitepackage_path in site.getsitepackages():
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# Strip all site-packages directories from sys.path that
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# are not sys.prefix; this is because on Windows
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# sys.prefix is a site-package directory.
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if sitepackage_path != sys.prefix:
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sys.path[:] = [x for x in sys.path
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if sitepackage_path not in x]
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setup_args = dict(to_dir=tmpeggs, download_delay=0)
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if options.setuptools_version is not None:
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setup_args['version'] = options.setuptools_version
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if options.setuptools_to_dir is not None:
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setup_args['to_dir'] = options.setuptools_to_dir
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ez['use_setuptools'](**setup_args)
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import setuptools
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import pkg_resources
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cmd = 'from setuptools.command.easy_install import main; main()'
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if sys.platform == 'win32':
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cmd = '"%s"' % cmd # work around spawn lamosity on windows
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# This does not (always?) update the default working set. We will
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# do it.
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for path in sys.path:
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if path not in pkg_resources.working_set.entries:
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pkg_resources.working_set.add_entry(path)
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######################################################################
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# Install buildout
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ws = pkg_resources.working_set
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assert os.spawnle(
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os.P_WAIT, sys.executable, sys.executable,
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'-c', cmd, '-mqNxd', tmpeggs, 'zc.buildout',
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dict(os.environ,
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PYTHONPATH=
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ws.find(pkg_resources.Requirement.parse('setuptools')).location
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),
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) == 0
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setuptools_path = ws.find(
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pkg_resources.Requirement.parse('setuptools')).location
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# Fix sys.path here as easy_install.pth added before PYTHONPATH
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cmd = [sys.executable, '-c',
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'import sys; sys.path[0:0] = [%r]; ' % setuptools_path +
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'from setuptools.command.easy_install import main; main()',
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'-mZqNxd', tmpeggs]
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find_links = os.environ.get(
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'bootstrap-testing-find-links',
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options.find_links or
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('http://downloads.buildout.org/'
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if options.accept_buildout_test_releases else None)
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)
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if find_links:
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cmd.extend(['-f', find_links])
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requirement = 'zc.buildout'
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version = options.buildout_version
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if version is None and not options.accept_buildout_test_releases:
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# Figure out the most recent final version of zc.buildout.
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import setuptools.package_index
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_final_parts = '*final-', '*final'
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def _final_version(parsed_version):
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try:
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return not parsed_version.is_prerelease
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except AttributeError:
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# Older setuptools
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for part in parsed_version:
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if (part[:1] == '*') and (part not in _final_parts):
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return False
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return True
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index = setuptools.package_index.PackageIndex(
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search_path=[setuptools_path])
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if find_links:
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index.add_find_links((find_links,))
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req = pkg_resources.Requirement.parse(requirement)
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if index.obtain(req) is not None:
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best = []
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bestv = None
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for dist in index[req.project_name]:
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distv = dist.parsed_version
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if _final_version(distv):
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if bestv is None or distv > bestv:
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best = [dist]
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bestv = distv
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elif distv == bestv:
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best.append(dist)
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if best:
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best.sort()
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version = best[-1].version
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if version:
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requirement = '=='.join((requirement, version))
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cmd.append(requirement)
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import subprocess
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if subprocess.call(cmd) != 0:
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raise Exception(
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"Failed to execute command:\n%s" % repr(cmd)[1:-1])
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######################################################################
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# Import and run buildout
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ws.add_entry(tmpeggs)
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ws.require('zc.buildout')
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ws.require(requirement)
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import zc.buildout.buildout
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zc.buildout.buildout.main(sys.argv[1:] + ['bootstrap'])
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if not [a for a in args if '=' not in a]:
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args.append('bootstrap')
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# if -c was provided, we push it back into args for buildout' main function
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if options.config_file is not None:
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args[0:0] = ['-c', options.config_file]
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zc.buildout.buildout.main(args)
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shutil.rmtree(tmpeggs)
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