| ############################################################################## |
| # |
| # Copyright (c) 2006 Zope Foundation and Contributors. |
| # All Rights Reserved. |
| # |
| # This software is subject to the provisions of the Zope Public License, |
| # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
| # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
| # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
| # FOR A PARTICULAR PURPOSE. |
| # |
| ############################################################################## |
| """Bootstrap a buildout-based project |
| |
| 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. |
| """ |
| |
| import os |
| import shutil |
| import sys |
| import tempfile |
| |
| from optparse import OptionParser |
| |
| tmpeggs = tempfile.mkdtemp() |
| |
| 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("-v", "--version", help="use a specific zc.buildout 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")) |
| |
| |
| options, args = parser.parse_args() |
| |
| ###################################################################### |
| # load/install setuptools |
| |
| to_reload = False |
| try: |
| import pkg_resources |
| import setuptools |
| except ImportError: |
| ez = {} |
| |
| try: |
| from urllib.request import urlopen |
| except ImportError: |
| from urllib2 import urlopen |
| |
| # XXX use a more permanent ez_setup.py URL when available. |
| exec(urlopen('https://bitbucket.org/pypa/setuptools/raw/0.7.2/ez_setup.py' |
| ).read(), ez) |
| setup_args = dict(to_dir=tmpeggs, download_delay=0) |
| ez['use_setuptools'](**setup_args) |
| |
| if to_reload: |
| reload(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) |
| |
| ###################################################################### |
| # Install buildout |
| |
| ws = pkg_resources.working_set |
| |
| cmd = [sys.executable, '-c', |
| '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]) |
| |
| setuptools_path = ws.find( |
| pkg_resources.Requirement.parse('setuptools')).location |
| |
| 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' |
| |
| 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=[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, env=dict(os.environ, PYTHONPATH=setuptools_path)) != 0: |
| raise Exception( |
| "Failed to execute command:\n%s", |
| repr(cmd)[1:-1]) |
| |
| ###################################################################### |
| # Import and run buildout |
| |
| ws.add_entry(tmpeggs) |
| ws.require(requirement) |
| import zc.buildout.buildout |
| |
| 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) |