Mercurial > libervia-web

annotate ez_setup.py @ 918:96a56856d357

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pages (blog_new/articles): first concert Libervia page, blog articles: This page is for now called blog_new to avoid conflict with former blog static page, but it will replace the older one when ready. The page get target profile from URL, the request 10 last blog from it, and display it using blog/articles template. Errors are not correctly handled for now (specially blog retrieval errors).
author Goffi <goffi@goffi.org>
date Mon, 06 Mar 2017 00:05:31 +0100
parents 77bf2654ca0a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 """Bootstrap setuptools installation
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3
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4 To use setuptools in your package's setup.py, include this
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5 file in the same directory and add this to the top of your setup.py::
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6
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7 from ez_setup import use_setuptools
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8 use_setuptools()
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9
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10 To require a specific version of setuptools, set a download
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11 mirror, or use an alternate download directory, simply supply
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12 the appropriate options to ``use_setuptools()``.
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13
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14 This file can also be run as a script to install or upgrade setuptools.
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15 """
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16 import os
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17 import shutil
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18 import sys
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19 import tempfile
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20 import zipfile
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21 import optparse
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22 import subprocess
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23 import platform
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24 import textwrap
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25 import contextlib
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27 from distutils import log
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29 try:
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30 from urllib.request import urlopen
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31 except ImportError:
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32 from urllib2 import urlopen
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34 try:
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35 from site import USER_SITE
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36 except ImportError:
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37 USER_SITE = None
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38
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39 DEFAULT_VERSION = "5.5"
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40 DEFAULT_URL = "https://pypi.python.org/packages/source/s/setuptools/"
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41
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42 def _python_cmd(*args):
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43 """
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44 Return True if the command succeeded.
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45 """
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46 args = (sys.executable,) + args
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47 return subprocess.call(args) == 0
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50 def _install(archive_filename, install_args=()):
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51 with archive_context(archive_filename):
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52 # installing
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53 log.warn('Installing Setuptools')
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54 if not _python_cmd('setup.py', 'install', *install_args):
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55 log.warn('Something went wrong during the installation.')
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56 log.warn('See the error message above.')
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57 # exitcode will be 2
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58 return 2
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61 def _build_egg(egg, archive_filename, to_dir):
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62 with archive_context(archive_filename):
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63 # building an egg
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64 log.warn('Building a Setuptools egg in %s', to_dir)
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65 _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
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66 # returning the result
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67 log.warn(egg)
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68 if not os.path.exists(egg):
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69 raise IOError('Could not build the egg.')
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72 class ContextualZipFile(zipfile.ZipFile):
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73 """
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74 Supplement ZipFile class to support context manager for Python 2.6
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75 """
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76
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77 def __enter__(self):
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78 return self
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79
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80 def __exit__(self, type, value, traceback):
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81 self.close()
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82
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83 def __new__(cls, *args, **kwargs):
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84 """
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85 Construct a ZipFile or ContextualZipFile as appropriate
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86 """
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87 if hasattr(zipfile.ZipFile, '__exit__'):
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88 return zipfile.ZipFile(*args, **kwargs)
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89 return super(ContextualZipFile, cls).__new__(cls)
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90
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91
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92 @contextlib.contextmanager
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93 def archive_context(filename):
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94 # extracting the archive
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95 tmpdir = tempfile.mkdtemp()
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96 log.warn('Extracting in %s', tmpdir)
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97 old_wd = os.getcwd()
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98 try:
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99 os.chdir(tmpdir)
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100 with ContextualZipFile(filename) as archive:
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101 archive.extractall()
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102
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103 # going in the directory
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104 subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
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105 os.chdir(subdir)
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106 log.warn('Now working in %s', subdir)
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107 yield
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108
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109 finally:
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110 os.chdir(old_wd)
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111 shutil.rmtree(tmpdir)
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112
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113
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114 def _do_download(version, download_base, to_dir, download_delay):
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115 egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
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116 % (version, sys.version_info[0], sys.version_info[1]))
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117 if not os.path.exists(egg):
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118 archive = download_setuptools(version, download_base,
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119 to_dir, download_delay)
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120 _build_egg(egg, archive, to_dir)
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121 sys.path.insert(0, egg)
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122
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123 # Remove previously-imported pkg_resources if present (see
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124 # https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
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125 if 'pkg_resources' in sys.modules:
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126 del sys.modules['pkg_resources']
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127
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128 import setuptools
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129 setuptools.bootstrap_install_from = egg
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131
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132 def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
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133 to_dir=os.curdir, download_delay=15):
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diff changeset
134 to_dir = os.path.abspath(to_dir)
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
135 rep_modules = 'pkg_resources', 'setuptools'
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
136 imported = set(sys.modules).intersection(rep_modules)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
137 try:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
138 import pkg_resources
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
139 except ImportError:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
140 return _do_download(version, download_base, to_dir, download_delay)
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
141 try:
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
142 pkg_resources.require("setuptools>=" + version)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
143 return
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
144 except pkg_resources.DistributionNotFound:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
145 return _do_download(version, download_base, to_dir, download_delay)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
146 except pkg_resources.VersionConflict as VC_err:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
147 if imported:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
148 msg = textwrap.dedent("""
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
149 The required version of setuptools (>={version}) is not available,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
150 and can't be installed while this script is running. Please
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
151 install a more recent version first, using
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
152 'easy_install -U setuptools'.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
153
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
154 (Currently using {VC_err.args[0]!r})
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
155 """).format(VC_err=VC_err, version=version)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
156 sys.stderr.write(msg)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
157 sys.exit(2)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
158
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
159 # otherwise, reload ok
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
160 del pkg_resources, sys.modules['pkg_resources']
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
161 return _do_download(version, download_base, to_dir, download_delay)
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
162
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
163 def _clean_check(cmd, target):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
164 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
165 Run the command to download target. If the command fails, clean up before
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
166 re-raising the error.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
167 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
168 try:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
169 subprocess.check_call(cmd)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
170 except subprocess.CalledProcessError:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
171 if os.access(target, os.F_OK):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
172 os.unlink(target)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
173 raise
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
174
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
175 def download_file_powershell(url, target):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
176 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
177 Download the file at url to target using Powershell (which will validate
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
178 trust). Raise an exception if the command cannot complete.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
179 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
180 target = os.path.abspath(target)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
181 ps_cmd = (
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
182 "[System.Net.WebRequest]::DefaultWebProxy.Credentials = "
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
183 "[System.Net.CredentialCache]::DefaultCredentials; "
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
184 "(new-object System.Net.WebClient).DownloadFile(%(url)r, %(target)r)"
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
185 % vars()
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
186 )
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
187 cmd = [
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
188 'powershell',
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
189 '-Command',
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
190 ps_cmd,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
191 ]
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
192 _clean_check(cmd, target)
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
193
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
194 def has_powershell():
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
195 if platform.system() != 'Windows':
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
196 return False
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
197 cmd = ['powershell', '-Command', 'echo test']
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
198 with open(os.path.devnull, 'wb') as devnull:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
199 try:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
200 subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
201 except Exception:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
202 return False
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
203 return True
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
204
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
205 download_file_powershell.viable = has_powershell
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
206
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
207 def download_file_curl(url, target):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
208 cmd = ['curl', url, '--silent', '--output', target]
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
209 _clean_check(cmd, target)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
210
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
211 def has_curl():
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
212 cmd = ['curl', '--version']
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
213 with open(os.path.devnull, 'wb') as devnull:
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
214 try:
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
215 subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
216 except Exception:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
217 return False
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
218 return True
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
219
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
220 download_file_curl.viable = has_curl
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
221
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
222 def download_file_wget(url, target):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
223 cmd = ['wget', url, '--quiet', '--output-document', target]
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
224 _clean_check(cmd, target)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
225
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
226 def has_wget():
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
227 cmd = ['wget', '--version']
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
228 with open(os.path.devnull, 'wb') as devnull:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
229 try:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
230 subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
231 except Exception:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
232 return False
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
233 return True
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
234
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
235 download_file_wget.viable = has_wget
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
236
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
237 def download_file_insecure(url, target):
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
238 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
239 Use Python to download the file, even though it cannot authenticate the
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
240 connection.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
241 """
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
242 src = urlopen(url)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
243 try:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
244 # Read all the data in one block.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
245 data = src.read()
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
246 finally:
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
247 src.close()
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
248
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
249 # Write all the data in one block to avoid creating a partial file.
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
250 with open(target, "wb") as dst:
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
251 dst.write(data)
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
252
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
253 download_file_insecure.viable = lambda: True
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
254
560
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
255 def get_best_downloader():
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
256 downloaders = (
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
257 download_file_powershell,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
258 download_file_curl,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
259 download_file_wget,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
260 download_file_insecure,
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
261 )
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
262 viable_downloaders = (dl for dl in downloaders if dl.viable())
77bf2654ca0a installation: replaced the deprecated distribute_setup.py by ez_setup.py
Goffi <goffi@goffi.org>
parents: 360
diff changeset
263 return next(viable_downloaders, None)
360
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
parents:
diff changeset
264
9834136b15ed added setup.py for the installation with setuptools
souliane <souliane@mailoo.org>
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265 def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
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266 to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader):
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267 """
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268 Download setuptools from a specified location and return its filename
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269
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270 `version` should be a valid setuptools version number that is available
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271 as an sdist for download under the `download_base` URL (which should end
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272 with a '/'). `to_dir` is the directory where the egg will be downloaded.
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273 `delay` is the number of seconds to pause before an actual download
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274 attempt.
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275
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276 ``downloader_factory`` should be a function taking no arguments and
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277 returning a function for downloading a URL to a target.
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278 """
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279 # making sure we use the absolute path
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280 to_dir = os.path.abspath(to_dir)
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281 zip_name = "setuptools-%s.zip" % version
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282 url = download_base + zip_name
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283 saveto = os.path.join(to_dir, zip_name)
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284 if not os.path.exists(saveto): # Avoid repeated downloads
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285 log.warn("Downloading %s", url)
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286 downloader = downloader_factory()
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287 downloader(url, saveto)
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288 return os.path.realpath(saveto)
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289
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290 def _build_install_args(options):
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291 """
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292 Build the arguments to 'python setup.py install' on the setuptools package
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293 """
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294 return ['--user'] if options.user_install else []
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295
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296 def _parse_args():
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297 """
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298 Parse the command line for options
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299 """
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300 parser = optparse.OptionParser()
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301 parser.add_option(
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302 '--user', dest='user_install', action='store_true', default=False,
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303 help='install in user site package (requires Python 2.6 or later)')
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304 parser.add_option(
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305 '--download-base', dest='download_base', metavar="URL",
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306 default=DEFAULT_URL,
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307 help='alternative URL from where to download the setuptools package')
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308 parser.add_option(
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309 '--insecure', dest='downloader_factory', action='store_const',
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310 const=lambda: download_file_insecure, default=get_best_downloader,
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311 help='Use internal, non-validating downloader'
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312 )
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313 parser.add_option(
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314 '--version', help="Specify which version to download",
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315 default=DEFAULT_VERSION,
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316 )
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317 options, args = parser.parse_args()
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318 # positional arguments are ignored
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319 return options
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320
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321 def main():
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322 """Install or upgrade setuptools and EasyInstall"""
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323 options = _parse_args()
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324 archive = download_setuptools(
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325 version=options.version,
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326 download_base=options.download_base,
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327 downloader_factory=options.downloader_factory,
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328 )
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329 return _install(archive, _build_install_args(options))
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330
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331 if __name__ == '__main__':
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332 sys.exit(main())