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##############################################################################
#
# Copyright (c) 2006 Zope Corporation 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.
$Id$
"""
import os, shutil, sys, tempfile, urllib2
tmpeggs = tempfile.mkdtemp()
is_jython = sys.platform.startswith('java')
try:
import pkg_resources
except ImportError:
ez = {}
exec urllib2.urlopen('http://nightly.ziade.org/bootstraping.py'
).read() in ez
ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
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
cmd = 'from setuptools.command.easy_install import main; main()'
ws = pkg_resources.working_set
if len(sys.argv) > 2 and sys.argv[1] == '--version':
VERSION = '==%s' % sys.argv[2]
args = sys.argv[3:] + ['bootstrap']
else:
VERSION = ''
args = sys.argv[1:] + ['bootstrap']
if is_jython:
import subprocess
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('setuptools')).location
),
).wait() == 0
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('distribute')).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('setuptools')).location
),
) == 0
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('distribute')).location
),
) == 0
ws.add_entry(tmpeggs)
ws.require('zc.buildout' + VERSION)
# patching zc.buildout.buildout so it uses distribute
from zc.buildout import buildout as zc_buildout
import zc.buildout
import pkg_resources
def _bootstrap(self, args):
import pkg_resources
__doing__ = 'Bootstraping.'
self._setup_directories()
# Now copy buildout, distribute and setuptools eggs, and record destination eggs:
entries = []
for name in 'setuptools', 'distribute', 'zc.buildout':
r = pkg_resources.Requirement.parse(name)
dist = pkg_resources.working_set.find(r)
if dist.precedence == pkg_resources.DEVELOP_DIST:
dest = os.path.join(self['buildout']['develop-eggs-directory'],
name+'.egg-link')
open(dest, 'w').write(dist.location)
entries.append(dist.location)
else:
dest = os.path.join(self['buildout']['eggs-directory'],
os.path.basename(dist.location))
entries.append(dest)
if not os.path.exists(dest):
if os.path.isdir(dist.location):
shutil.copytree(dist.location, dest)
else:
shutil.copy2(dist.location, dest)
# Create buildout script
ws = pkg_resources.WorkingSet(entries)
ws.require('zc.buildout')
zc.buildout.easy_install.scripts(
['zc.buildout'], ws, sys.executable,
self['buildout']['bin-directory'])
zc_buildout.Buildout.bootstrap = _bootstrap
zc_buildout.pkg_resources_loc = pkg_resources.working_set.find(
pkg_resources.Requirement.parse('setuptools')).location
realpath = zc.buildout.easy_install.realpath
def _maybe_upgrade(self):
__doing__ = 'Checking for upgrades.'
if not self.newest:
return
ws = zc.buildout.easy_install.install(
[
(spec + ' ' + self['buildout'].get(spec+'-version', '')).strip()
for spec in ('zc.buildout', 'setuptools')
],
self['buildout']['eggs-directory'],
links = self['buildout'].get('find-links', '').split(),
index = self['buildout'].get('index'),
path = [self['buildout']['develop-eggs-directory']],
allow_hosts = self._allow_hosts
)
upgraded = []
for project in 'zc.buildout', 'distribute':
req = pkg_resources.Requirement.parse(project)
if ws.find(req) != pkg_resources.working_set.find(req):
upgraded.append(ws.find(req))
if not upgraded:
return
__doing__ = 'Upgrading.'
should_run = realpath(
os.path.join(os.path.abspath(self['buildout']['bin-directory']),
'buildout')
)
if sys.platform == 'win32':
should_run += '-script.py'
if (realpath(os.path.abspath(sys.argv[0])) != should_run):
self._logger.debug("Running %r.", realpath(sys.argv[0]))
self._logger.debug("Local buildout is %r.", should_run)
self._logger.warn("Not upgrading because not running a local "
"buildout command.")
return
if sys.platform == 'win32' and not self.__windows_restart:
args = map(zc.buildout.easy_install._safe_arg, sys.argv)
args.insert(1, '-W')
if not __debug__:
args.insert(0, '-O')
args.insert(0, zc.buildout.easy_install._safe_arg (sys.executable))
os.execv(sys.executable, args)
self._logger.info("Upgraded:\n %s;\nrestarting.",
",\n ".join([("%s version %s"
% (dist.project_name, dist.version)
)
for dist in upgraded
]
),
)
# the new dist is different, so we've upgraded.
# Update the scripts and return True
zc.buildout.easy_install.scripts(
['zc.buildout'], ws, sys.executable,
self['buildout']['bin-directory'],
)
# Restart
args = map(zc.buildout.easy_install._safe_arg, sys.argv)
if not __debug__:
args.insert(0, '-O')
args.insert(0, zc.buildout.easy_install._safe_arg (sys.executable))
if is_jython:
sys.exit(subprocess.Popen([sys.executable] + list(args)).wait())
else:
sys.exit(os.spawnv(os.P_WAIT, sys.executable, args))
zc_buildout.Buildout._maybe_upgrade = _maybe_upgrade
# now calling the bootstrap process as usual
zc_buildout.main(args)
shutil.rmtree(tmpeggs)
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