Skip to content

Commit

Permalink
Use an older working bootstrap
Browse files Browse the repository at this point in the history
  • Loading branch information
@hannosch
hannosch committed Apr 30, 2010
1 parent 7a3229e commit aadc023
Showing 1 changed file with 61 additions and 146 deletions.
207 changes: 61 additions & 146 deletions bootstrap.py
View file
Expand Up @@ -20,187 +20,102 @@
$Id$
"""

import os, shutil, sys, tempfile, textwrap, urllib, urllib2
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

# 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 '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 (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 = OptionParser()
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."))
action="store_true", dest="distribute", default=False,
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 = ''

USE_DISTRIBUTE = options.distribute
args = args + ['bootstrap']


to_reload = False
try:
to_reload = False
import pkg_resources
to_reload = True
if not hasattr(pkg_resources, '_distribute'):
to_reload = True
raise ImportError
import setuptools # A flag. Sometimes pkg_resources is installed alone.
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 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
# 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)

cmd = [quote(sys.executable),
'-c',
quote('from setuptools.command.easy_install import main; main()'),
'-mqNxd',
quote(eggs_dir)]

if options.download_base:
cmd.extend(['-f', quote(options.download_base)])

requirement = 'zc.buildout'
if options.version:
requirement = '=='.join((requirement, options.version))
cmd.append(requirement)

if options.use_distribute:
setup_requirement = 'distribute'

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

cmd = 'from setuptools.command.easy_install import main; main()'
ws = pkg_resources.working_set

if USE_DISTRIBUTE:
requirement = 'distribute'
else:
setup_requirement = 'setuptools'
ws = pkg_resources.working_set
env = dict(
os.environ,
PYTHONPATH=ws.find(
pkg_resources.Requirement.parse(setup_requirement)).location)
requirement = 'setuptools'

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 occured when trying to install zc.buildout. "
"Look above this message for any errors that "
"were output by easy_install.")
sys.exit(exitcode)

ws.add_entry(eggs_dir)
ws.require(requirement)

assert subprocess.Popen([sys.executable] + ['-c', quote(cmd), '-mqNxd',
quote(tmpeggs), 'zc.buildout' + VERSION],
env=dict(os.environ,
PYTHONPATH=
ws.find(pkg_resources.Requirement.parse(requirement)).location
),
).wait() == 0

else:
assert os.spawnle(
os.P_WAIT, sys.executable, quote (sys.executable),
'-c', quote (cmd), '-mqNxd', quote (tmpeggs), 'zc.buildout' + VERSION,
dict(os.environ,
PYTHONPATH=
ws.find(pkg_resources.Requirement.parse(requirement)).location
),
) == 0

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)

0 comments on commit aadc023

Please sign in to comment.