--- a/bootstrap.py Wed May 07 18:02:08 2014 +0200
+++ b/bootstrap.py Mon May 12 00:35:54 2014 +0200
@@ -18,75 +18,14 @@
use the -c option to specify an alternate configuration file.
"""
-import os, shutil, sys, tempfile, urllib, urllib2, subprocess
+import os
+import shutil
+import sys
+import tempfile
+
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)
-
-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)
+tmpeggs = tempfile.mkdtemp()
usage = '''\
[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
@@ -96,31 +35,13 @@
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.
+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", dest="version",
- help="use a specific zc.buildout version")
-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("-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,
@@ -130,80 +51,74 @@
"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."))
+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"))
+
options, args = parser.parse_args()
-if options.eggs:
- eggs_dir = os.path.abspath(os.path.expanduser(options.eggs))
-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
-
-if options.accept_buildout_test_releases:
- args.insert(0, 'buildout:accept-buildout-test-releases=true')
+######################################################################
+# load/install setuptools
try:
- import pkg_resources
- import setuptools # A flag. Sometimes pkg_resources is installed alone.
- if not hasattr(pkg_resources, '_distribute'):
- raise ImportError
+ if options.allow_site_packages:
+ import setuptools
+ import pkg_resources
+ from urllib.request import urlopen
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
- if sys.version_info[:2] == (2, 4):
- setup_args['version'] = '0.6.32'
- 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)
+ 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)
+ez['use_setuptools'](**setup_args)
+import setuptools
+import pkg_resources
-cmd = [quote(sys.executable),
- '-c',
- quote('from setuptools.command.easy_install import main; main()'),
- '-mqNxd',
- quote(eggs_dir)]
+# 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 not has_broken_dash_S:
- cmd.insert(1, '-S')
+######################################################################
+# Install buildout
+
+ws = pkg_resources.working_set
-find_links = options.download_base
-if not find_links:
- find_links = os.environ.get('bootstrap-testing-find-links')
-if not find_links and options.accept_buildout_test_releases:
- find_links = 'http://downloads.buildout.org/'
-if find_links:
- cmd.extend(['-f', quote(find_links)])
+cmd = [sys.executable, '-c',
+ 'from setuptools.command.easy_install import main; main()',
+ '-mZqNxd', tmpeggs]
-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)
+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
@@ -218,7 +133,7 @@
return False
return True
index = setuptools.package_index.PackageIndex(
- search_path=[setup_requirement_path])
+ search_path=[setuptools_path])
if find_links:
index.add_find_links((find_links,))
req = pkg_resources.Requirement.parse(requirement)
@@ -227,8 +142,6 @@
bestv = None
for dist in index[req.project_name]:
distv = dist.parsed_version
- if distv >= pkg_resources.parse_version('2dev'):
- continue
if _final_version(distv):
if bestv is None or distv > bestv:
best = [dist]
@@ -238,40 +151,28 @@
if best:
best.sort()
version = best[-1].version
-
if version:
- requirement += '=='+version
-else:
- requirement += '<2dev'
-
+ requirement = '=='.join((requirement, version))
cmd.append(requirement)
-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)
+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])
-ws.add_entry(eggs_dir)
+######################################################################
+# Import and run buildout
+
+ws.add_entry(tmpeggs)
ws.require(requirement)
import zc.buildout.buildout
-# If there isn't already a command in the args, add bootstrap
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'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[0:0] = ['-c', options.config_file]
zc.buildout.buildout.main(args)
-if not options.eggs: # clean up temporary egg directory
- shutil.rmtree(eggs_dir)
+shutil.rmtree(tmpeggs)