fix urls
[auf_savoirs_en_partage_django.git] / bootstrap.py
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1##############################################################################
2#
88f4d825 3# Copyright (c) 2006 Zope Foundation and Contributors.
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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
16Simply run this script in a directory containing a buildout.cfg.
17The script accepts buildout command-line options, so you can
18use the -c option to specify an alternate configuration file.
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19"""
20
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21import os
22import shutil
23import sys
24import tempfile
25
26from optparse import OptionParser
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27
28tmpeggs = tempfile.mkdtemp()
29
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30usage = '''\
31[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
32
33Bootstraps a buildout-based project.
34
35Simply run this script in a directory containing a buildout.cfg, using the
36Python that you want bin/buildout to use.
37
38Note that by using --find-links to point to local resources, you can keep
39this script from going over the network.
40'''
41
42parser = OptionParser(usage=usage)
43parser.add_option("-v", "--version", help="use a specific zc.buildout version")
155a7c62 44
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45parser.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."))
54parser.add_option("-c", "--config-file",
55 help=("Specify the path to the buildout configuration "
56 "file to be used."))
57parser.add_option("-f", "--find-links",
58 help=("Specify a URL to search for buildout releases"))
59
60
61options, args = parser.parse_args()
62
63######################################################################
64# load/install setuptools
65
66to_reload = False
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67try:
68 import pkg_resources
88f4d825 69 import setuptools
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70except ImportError:
71 ez = {}
155a7c62 72
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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/0.7.2/ez_setup.py'
80 ).read(), ez)
81 setup_args = dict(to_dir=tmpeggs, download_delay=0)
82 ez['use_setuptools'](**setup_args)
83
84 if to_reload:
85 reload(pkg_resources)
155a7c62 86 import pkg_resources
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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)
155a7c62 92
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93######################################################################
94# Install buildout
95
96ws = pkg_resources.working_set
97
98cmd = [sys.executable, '-c',
99 'from setuptools.command.easy_install import main; main()',
100 '-mZqNxd', tmpeggs]
101
102find_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 )
108if find_links:
109 cmd.extend(['-f', find_links])
110
111setuptools_path = ws.find(
112 pkg_resources.Requirement.parse('setuptools')).location
113
114requirement = 'zc.buildout'
115version = options.version
116if 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'
120
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(
127 search_path=[setuptools_path])
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
145if version:
146 requirement = '=='.join((requirement, version))
147cmd.append(requirement)
148
149import subprocess
150if 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
158ws.add_entry(tmpeggs)
88f4d825 159ws.require(requirement)
155a7c62 160import zc.buildout.buildout
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161
162if 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
166if options.config_file is not None:
167 args[0:0] = ['-c', options.config_file]
168
169zc.buildout.buildout.main(args)
155a7c62 170shutil.rmtree(tmpeggs)