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2009-11-10 Added bootstrap.py for zc.buildout
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 from optparse import OptionParser
25
26 tmpeggs = tempfile.mkdtemp()
27
28 is_jython = sys.platform.startswith('java')
29
30 # parsing arguments
31 parser = OptionParser()
32 parser.add_option("-v", "--version", dest="version",
33 help="use a specific zc.buildout version")
34 parser.add_option("-d", "--distribute",
35 action="store_true", dest="distribute", default=False,
36 help="Use Disribute rather than Setuptools.")
37
38 parser.add_option("-c", None, action="store", dest="config_file",
39 help=("Specify the path to the buildout configuration "
40 "file to be used."))
41
42 options, args = parser.parse_args()
43
44 # if -c was provided, we push it back into args for buildout' main function
45 if options.config_file is not None:
46 args += ['-c', options.config_file]
47
48 if options.version is not None:
49 VERSION = '==%s' % options.version
50 else:
51 VERSION = ''
52
53 USE_DISTRIBUTE = options.distribute
54 args = args + ['bootstrap']
55
56 to_reload = False
57 try:
58 import pkg_resources
59 if not hasattr(pkg_resources, '_distribute'):
60 to_reload = True
61 raise ImportError
62 except ImportError:
63 ez = {}
64 if USE_DISTRIBUTE:
65 exec urllib2.urlopen('http://python-distribute.org/distribute_setup.py'
66 ).read() in ez
67 ez['use_setuptools'](to_dir=tmpeggs, download_delay=0, no_fake=True)
68 else:
69 exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py'
70 ).read() in ez
71 ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
72
73 if to_reload:
74 reload(pkg_resources)
75 else:
76 import pkg_resources
77
78 if sys.platform == 'win32':
79 def quote(c):
80 if ' ' in c:
81 return '"%s"' % c # work around spawn lamosity on windows
82 else:
83 return c
84 else:
85 def quote (c):
86 return c
87
88 cmd = 'from setuptools.command.easy_install import main; main()'
89 ws = pkg_resources.working_set
90
91 if USE_DISTRIBUTE:
92 requirement = 'distribute'
93 else:
94 requirement = 'setuptools'
95
96 if is_jython:
97 import subprocess
98
99 assert subprocess.Popen([sys.executable] + ['-c', quote(cmd), '-mqNxd',
100 quote(tmpeggs), 'zc.buildout' + VERSION],
101 env=dict(os.environ,
102 PYTHONPATH=
103 ws.find(pkg_resources.Requirement.parse(requirement)).location
104 ),
105 ).wait() == 0
106
107 else:
108 assert os.spawnle(
109 os.P_WAIT, sys.executable, quote (sys.executable),
110 '-c', quote (cmd), '-mqNxd', quote (tmpeggs), 'zc.buildout' + VERSION,
111 dict(os.environ,
112 PYTHONPATH=
113 ws.find(pkg_resources.Requirement.parse(requirement)).location
114 ),
115 ) == 0
116
117 ws.add_entry(tmpeggs)
118 ws.require('zc.buildout' + VERSION)
119 import zc.buildout.buildout
120 zc.buildout.buildout.main(args)
121 shutil.rmtree(tmpeggs)
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