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 | |
---|
21 | import os |
---|
22 | import shutil |
---|
23 | import sys |
---|
24 | import tempfile |
---|
25 | |
---|
26 | from optparse import OptionParser |
---|
27 | |
---|
28 | tmpeggs = tempfile.mkdtemp() |
---|
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 | |
---|
38 | Note that by using --find-links to point to local resources, you can keep |
---|
39 | this script from going over the network. |
---|
40 | ''' |
---|
41 | |
---|
42 | parser = OptionParser(usage=usage) |
---|
43 | parser.add_option("-v", "--version", help="use a specific zc.buildout version") |
---|
44 | |
---|
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.")) |
---|
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")) |
---|
59 | |
---|
60 | |
---|
61 | options, args = parser.parse_args() |
---|
62 | |
---|
63 | ###################################################################### |
---|
64 | # load/install distribute |
---|
65 | |
---|
66 | to_reload = False |
---|
67 | try: |
---|
68 | import pkg_resources |
---|
69 | import setuptools |
---|
70 | if not hasattr(pkg_resources, '_distribute'): |
---|
71 | to_reload = True |
---|
72 | raise ImportError |
---|
73 | except ImportError: |
---|
74 | ez = {} |
---|
75 | |
---|
76 | try: |
---|
77 | from urllib.request import urlopen |
---|
78 | except ImportError: |
---|
79 | from urllib2 import urlopen |
---|
80 | |
---|
81 | exec(urlopen( |
---|
82 | 'http://downloads.buildout.org/2.1/distribute_setup.py').read(), ez) |
---|
83 | setup_args = dict(to_dir=tmpeggs, download_delay=0, no_fake=True) |
---|
84 | ez['use_setuptools'](**setup_args) |
---|
85 | |
---|
86 | if to_reload: |
---|
87 | reload(pkg_resources) |
---|
88 | import pkg_resources |
---|
89 | # This does not (always?) update the default working set. We will |
---|
90 | # do it. |
---|
91 | for path in sys.path: |
---|
92 | if path not in pkg_resources.working_set.entries: |
---|
93 | pkg_resources.working_set.add_entry(path) |
---|
94 | |
---|
95 | ###################################################################### |
---|
96 | # Install buildout |
---|
97 | |
---|
98 | ws = pkg_resources.working_set |
---|
99 | |
---|
100 | cmd = [sys.executable, '-c', |
---|
101 | 'from setuptools.command.easy_install import main; main()', |
---|
102 | '-mZqNxd', tmpeggs] |
---|
103 | |
---|
104 | find_links = os.environ.get( |
---|
105 | 'bootstrap-testing-find-links', |
---|
106 | options.find_links or |
---|
107 | ('http://downloads.buildout.org/' |
---|
108 | if options.accept_buildout_test_releases else None) |
---|
109 | ) |
---|
110 | if find_links: |
---|
111 | cmd.extend(['-f', find_links]) |
---|
112 | |
---|
113 | distribute_path = ws.find( |
---|
114 | pkg_resources.Requirement.parse('distribute')).location |
---|
115 | |
---|
116 | requirement = 'zc.buildout' |
---|
117 | version = options.version |
---|
118 | if version is None and not options.accept_buildout_test_releases: |
---|
119 | # Figure out the most recent final version of zc.buildout. |
---|
120 | import setuptools.package_index |
---|
121 | _final_parts = '*final-', '*final' |
---|
122 | |
---|
123 | def _final_version(parsed_version): |
---|
124 | for part in parsed_version: |
---|
125 | if (part[:1] == '*') and (part not in _final_parts): |
---|
126 | return False |
---|
127 | return True |
---|
128 | index = setuptools.package_index.PackageIndex( |
---|
129 | search_path=[distribute_path]) |
---|
130 | if find_links: |
---|
131 | index.add_find_links((find_links,)) |
---|
132 | req = pkg_resources.Requirement.parse(requirement) |
---|
133 | if index.obtain(req) is not None: |
---|
134 | best = [] |
---|
135 | bestv = None |
---|
136 | for dist in index[req.project_name]: |
---|
137 | distv = dist.parsed_version |
---|
138 | if _final_version(distv): |
---|
139 | if bestv is None or distv > bestv: |
---|
140 | best = [dist] |
---|
141 | bestv = distv |
---|
142 | elif distv == bestv: |
---|
143 | best.append(dist) |
---|
144 | if best: |
---|
145 | best.sort() |
---|
146 | version = best[-1].version |
---|
147 | if version: |
---|
148 | requirement = '=='.join((requirement, version)) |
---|
149 | cmd.append(requirement) |
---|
150 | |
---|
151 | import subprocess |
---|
152 | if subprocess.call(cmd, env=dict(os.environ, PYTHONPATH=distribute_path)) != 0: |
---|
153 | raise Exception( |
---|
154 | "Failed to execute command:\n%s", |
---|
155 | repr(cmd)[1:-1]) |
---|
156 | |
---|
157 | ###################################################################### |
---|
158 | # Import and run buildout |
---|
159 | |
---|
160 | ws.add_entry(tmpeggs) |
---|
161 | ws.require(requirement) |
---|
162 | import zc.buildout.buildout |
---|
163 | |
---|
164 | if not [a for a in args if '=' not in a]: |
---|
165 | args.append('bootstrap') |
---|
166 | |
---|
167 | # if -c was provided, we push it back into args for buildout' main function |
---|
168 | if options.config_file is not None: |
---|
169 | args[0:0] = ['-c', options.config_file] |
---|
170 | |
---|
171 | zc.buildout.buildout.main(args) |
---|
172 | shutil.rmtree(tmpeggs) |
---|