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Use newer bootstrap.py.

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1 parent 4a80476 commit 20576e6951a5a1331e500face88a147fbd95af67 Timo Stollenwerk committed
Showing with 66 additions and 199 deletions.
  1. +66 −199 bootstrap.py
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265 bootstrap.py
@@ -16,245 +16,112 @@
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.
+
+$Id$
"""
-import os, shutil, sys, tempfile, textwrap, 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
-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.add_option("-v", "--version", dest="version",
- help="use a specific zc.buildout version")
+parser = OptionParser(
+ 'This is a custom version of the zc.buildout %prog script. It is '
+ 'intended to meet a temporary need if you encounter problems with '
+ 'the zc.buildout 1.5 release.')
+parser.add_option("-v", "--version", dest="version", default='1.4.4',
+ help='Use a specific zc.buildout version. *This '
+ 'bootstrap script defaults to '
+ '1.4.4, unlike usual buildpout bootstrap scripts.*')
parser.add_option("-d", "--distribute",
- action="store_true", dest="use_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."))
+ action="store_true", dest="distribute", default=True,
+ help="Use Disribute rather than Setuptools.")
+
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']
+to_reload = False
try:
import pkg_resources
- import setuptools # A flag. Sometimes pkg_resources is installed alone.
if not hasattr(pkg_resources, '_distribute'):
+ to_reload = True
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)
+ 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)
+
+ if to_reload:
+ reload(pkg_resources)
+ else:
+ import pkg_resources
+
+if sys.platform == 'win32':
+ def quote(c):
+ if ' ' in c:
+ return '"%s"' % c # work around spawn lamosity on windows
+ else:
+ return c
+else:
+ def quote (c):
+ return c
+
+ws = pkg_resources.working_set
+
+if USE_DISTRIBUTE:
+ requirement = 'distribute'
+else:
+ requirement = 'setuptools'
+
+env = dict(os.environ,
+ PYTHONPATH=
+ ws.find(pkg_resources.Requirement.parse(requirement)).location
+ )
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')
+ quote(tmpeggs)]
-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)])
-
-if options.use_distribute:
- setup_requirement = 'distribute'
-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)
+if 'bootstrap-testing-find-links' in os.environ:
+ cmd.extend(['-f', os.environ['bootstrap-testing-find-links']])
-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=[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)
+cmd.append('zc.buildout' + VERSION)
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)
+assert exitcode == 0
-ws.add_entry(eggs_dir)
-ws.require(requirement)
+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)

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