bootstrap.py

   1 ##############################################################################
   2 #
   3 # Copyright (c) 2006 Zope Corporation and Contributors.
   4 # All Rights Reserved.
   5 #
   6 # This software is subject to the provisions of the Zope Public License,
   7 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
   8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
   9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
  11 # FOR A PARTICULAR PURPOSE.
  12 #
  13 ##############################################################################
  14 """Bootstrap a buildout-based project
  15
  16 Simply run this script in a directory containing a buildout.cfg.
  17 The script accepts buildout command-line options, so you can
  18 use the -c option to specify an alternate configuration file.
  19
  20 $Id$
  21 """
  22
  23 import os, shutil, sys, tempfile, urllib2
  24
  25 tmpeggs = tempfile.mkdtemp()
  26
  27 is_jython = sys.platform.startswith('java')
  28
  29 try:
  30     import pkg_resources
  31 except ImportError:
  32     ez = {}
  33     exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py'
  34                          ).read() in ez
  35     ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
  36
  37     import pkg_resources
  38
  39 if sys.platform == 'win32':
  40     def quote(c):
  41         if ' ' in c:
  42             return '"%s"' % c # work around spawn lamosity on windows
  43         else:
  44             return c
  45 else:
  46     def quote (c):
  47         return c
  48
  49 cmd = 'from setuptools.command.easy_install import main; main()'
  50 ws  = pkg_resources.working_set
  51
  52 if is_jython:
  53     import subprocess
  54
  55     assert subprocess.Popen([sys.executable] + ['-c', quote(cmd), '-mqNxd',
  56            quote(tmpeggs), 'zc.buildout'],
  57            env=dict(os.environ,
  58                PYTHONPATH=
  59                ws.find(pkg_resources.Requirement.parse('setuptools')).location
  60                ),
  61            ).wait() == 0
  62
  63 else:
  64     assert os.spawnle(
  65         os.P_WAIT, sys.executable, quote (sys.executable),
  66         '-c', quote (cmd), '-mqNxd', quote (tmpeggs), 'zc.buildout',
  67         dict(os.environ,
  68             PYTHONPATH=
  69             ws.find(pkg_resources.Requirement.parse('setuptools')).location
  70             ),
  71         ) == 0
  72
  73 ws.add_entry(tmpeggs)
  74 ws.require('zc.buildout')
  75 import zc.buildout.buildout
  76 zc.buildout.buildout.main(sys.argv[1:] + ['bootstrap'])
  77 shutil.rmtree(tmpeggs)