aboutsummaryrefslogtreecommitdiff
path: root/bootstrap.py
diff options
context:
space:
mode:
authorJonas Genannt <genannt@debian.org>2015-11-15 22:26:06 +0100
committerJonas Genannt <genannt@debian.org>2015-11-15 22:26:06 +0100
commitd65aa3c3c146b12548a54c894060bce9a8715ad2 (patch)
tree293607c424ec0b1d41e2aefaf26989a7adbd3e04 /bootstrap.py
parent29425a36c920e9b54e5860429ef3e3ce639fb155 (diff)
downloadpython-django-tagging-d65aa3c3c146b12548a54c894060bce9a8715ad2.tar
python-django-tagging-d65aa3c3c146b12548a54c894060bce9a8715ad2.tar.gz
Imported Upstream version 0.4upstream/0.4
Diffstat (limited to 'bootstrap.py')
-rw-r--r--bootstrap.py189
1 files changed, 189 insertions, 0 deletions
diff --git a/bootstrap.py b/bootstrap.py
new file mode 100644
index 0000000..a629566
--- /dev/null
+++ b/bootstrap.py
@@ -0,0 +1,189 @@
+##############################################################################
+#
+# 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"))
+parser.add_option("--allow-site-packages",
+ action="store_true", default=False,
+ help=("Let bootstrap.py use existing site packages"))
+parser.add_option("--setuptools-version",
+ help="use a specific setuptools version")
+
+
+options, args = parser.parse_args()
+
+######################################################################
+# load/install setuptools
+
+try:
+ if options.allow_site_packages:
+ import setuptools
+ import pkg_resources
+ from urllib.request import urlopen
+except ImportError:
+ from urllib2 import urlopen
+
+ez = {}
+exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez)
+
+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():
+ 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
+
+ez['use_setuptools'](**setup_args)
+import setuptools
+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):
+ 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, 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)