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04524c1 @jensens added buildout and more putzfisch work
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1 ##############################################################################
2 #
3 # Copyright (c) 2006 Zope Foundation 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
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21 import os
22 import shutil
23 import sys
24 import tempfile
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25
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26 from optparse import OptionParser
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27
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28 tmpeggs = tempfile.mkdtemp()
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29
30 usage = '''\
31 [DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
32
33 Bootstraps a buildout-based project.
34
35 Simply run this script in a directory containing a buildout.cfg, using the
36 Python that you want bin/buildout to use.
37
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38 Note that by using --find-links to point to local resources, you can keep
39 this script from going over the network.
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40 '''
41
42 parser = OptionParser(usage=usage)
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43 parser.add_option("-v", "--version", help="use a specific zc.buildout version")
44
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45 parser.add_option("-t", "--accept-buildout-test-releases",
46 dest='accept_buildout_test_releases',
47 action="store_true", default=False,
48 help=("Normally, if you do not specify a --version, the "
49 "bootstrap script and buildout gets the newest "
50 "*final* versions of zc.buildout and its recipes and "
51 "extensions for you. If you use this flag, "
52 "bootstrap and buildout will get the newest releases "
53 "even if they are alphas or betas."))
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54 parser.add_option("-c", "--config-file",
55 help=("Specify the path to the buildout configuration "
56 "file to be used."))
57 parser.add_option("-f", "--find-links",
58 help=("Specify a URL to search for buildout releases"))
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59
60
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61 options, args = parser.parse_args()
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62
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63 ######################################################################
64 # load/install setuptools
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65
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66 to_reload = False
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67 try:
68 import pkg_resources
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69 import setuptools
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70 except ImportError:
71 ez = {}
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72
73 try:
74 from urllib.request import urlopen
75 except ImportError:
76 from urllib2 import urlopen
77
78 # XXX use a more permanent ez_setup.py URL when available.
79 exec(urlopen('https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py'
80 ).read(), ez)
81 setup_args = dict(to_dir=tmpeggs, download_delay=0)
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82 ez['use_setuptools'](**setup_args)
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83
84 if to_reload:
85 reload(pkg_resources)
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86 import pkg_resources
87 # This does not (always?) update the default working set. We will
88 # do it.
89 for path in sys.path:
90 if path not in pkg_resources.working_set.entries:
91 pkg_resources.working_set.add_entry(path)
92
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93 ######################################################################
94 # Install buildout
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95
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96 ws = pkg_resources.working_set
97
98 cmd = [sys.executable, '-c',
99 'from setuptools.command.easy_install import main; main()',
100 '-mZqNxd', tmpeggs]
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101
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102 find_links = os.environ.get(
103 'bootstrap-testing-find-links',
104 options.find_links or
105 ('http://downloads.buildout.org/'
106 if options.accept_buildout_test_releases else None)
107 )
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108 if find_links:
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109 cmd.extend(['-f', find_links])
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110
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111 setuptools_path = ws.find(
112 pkg_resources.Requirement.parse('setuptools')).location
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113
114 requirement = 'zc.buildout'
115 version = options.version
116 if version is None and not options.accept_buildout_test_releases:
117 # Figure out the most recent final version of zc.buildout.
118 import setuptools.package_index
119 _final_parts = '*final-', '*final'
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120
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121 def _final_version(parsed_version):
122 for part in parsed_version:
123 if (part[:1] == '*') and (part not in _final_parts):
124 return False
125 return True
126 index = setuptools.package_index.PackageIndex(
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127 search_path=[setuptools_path])
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128 if find_links:
129 index.add_find_links((find_links,))
130 req = pkg_resources.Requirement.parse(requirement)
131 if index.obtain(req) is not None:
132 best = []
133 bestv = None
134 for dist in index[req.project_name]:
135 distv = dist.parsed_version
136 if _final_version(distv):
137 if bestv is None or distv > bestv:
138 best = [dist]
139 bestv = distv
140 elif distv == bestv:
141 best.append(dist)
142 if best:
143 best.sort()
144 version = best[-1].version
145 if version:
146 requirement = '=='.join((requirement, version))
147 cmd.append(requirement)
148
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149 import subprocess
150 if subprocess.call(cmd, env=dict(os.environ, PYTHONPATH=setuptools_path)) != 0:
151 raise Exception(
152 "Failed to execute command:\n%s",
153 repr(cmd)[1:-1])
154
155 ######################################################################
156 # Import and run buildout
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157
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158 ws.add_entry(tmpeggs)
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159 ws.require(requirement)
160 import zc.buildout.buildout
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161
162 if not [a for a in args if '=' not in a]:
163 args.append('bootstrap')
164
165 # if -c was provided, we push it back into args for buildout' main function
166 if options.config_file is not None:
167 args[0:0] = ['-c', options.config_file]
168
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169 zc.buildout.buildout.main(args)
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170 shutil.rmtree(tmpeggs)
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