no longer need ez_setup.py
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PyYoshi
parent
c7169820a2
commit
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1 changed files with 0 additions and 485 deletions
485
ez_setup.py
485
ez_setup.py
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#!python
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"""Bootstrap distribute installation
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If you want to use setuptools in your package's setup.py, just include this
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file in the same directory with it, and add this to the top of your setup.py::
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from distribute_setup import use_setuptools
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use_setuptools()
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If you want to require a specific version of setuptools, set a download
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mirror, or use an alternate download directory, you can do so by supplying
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the appropriate options to ``use_setuptools()``.
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This file can also be run as a script to install or upgrade setuptools.
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"""
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import os
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import sys
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import time
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import fnmatch
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import tempfile
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import tarfile
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from distutils import log
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try:
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from site import USER_SITE
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except ImportError:
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USER_SITE = None
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try:
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import subprocess
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def _python_cmd(*args):
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args = (sys.executable,) + args
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return subprocess.call(args) == 0
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except ImportError:
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# will be used for python 2.3
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def _python_cmd(*args):
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args = (sys.executable,) + args
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# quoting arguments if windows
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if sys.platform == 'win32':
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def quote(arg):
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if ' ' in arg:
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return '"%s"' % arg
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return arg
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args = [quote(arg) for arg in args]
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return os.spawnl(os.P_WAIT, sys.executable, *args) == 0
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DEFAULT_VERSION = "0.6.14"
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DEFAULT_URL = "http://pypi.python.org/packages/source/d/distribute/"
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SETUPTOOLS_FAKED_VERSION = "0.6c11"
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SETUPTOOLS_PKG_INFO = """\
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Metadata-Version: 1.0
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Name: setuptools
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Version: %s
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Summary: xxxx
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Home-page: xxx
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Author: xxx
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Author-email: xxx
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License: xxx
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Description: xxx
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""" % SETUPTOOLS_FAKED_VERSION
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def _install(tarball):
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# extracting the tarball
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tmpdir = tempfile.mkdtemp()
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log.warn('Extracting in %s', tmpdir)
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old_wd = os.getcwd()
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try:
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os.chdir(tmpdir)
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tar = tarfile.open(tarball)
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_extractall(tar)
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tar.close()
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# going in the directory
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subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
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os.chdir(subdir)
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log.warn('Now working in %s', subdir)
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# installing
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log.warn('Installing Distribute')
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if not _python_cmd('setup.py', 'install'):
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log.warn('Something went wrong during the installation.')
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log.warn('See the error message above.')
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finally:
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os.chdir(old_wd)
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def _build_egg(egg, tarball, to_dir):
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# extracting the tarball
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tmpdir = tempfile.mkdtemp()
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log.warn('Extracting in %s', tmpdir)
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old_wd = os.getcwd()
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try:
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os.chdir(tmpdir)
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tar = tarfile.open(tarball)
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_extractall(tar)
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tar.close()
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# going in the directory
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subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
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os.chdir(subdir)
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log.warn('Now working in %s', subdir)
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# building an egg
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log.warn('Building a Distribute egg in %s', to_dir)
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_python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
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finally:
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os.chdir(old_wd)
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# returning the result
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log.warn(egg)
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if not os.path.exists(egg):
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raise IOError('Could not build the egg.')
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def _do_download(version, download_base, to_dir, download_delay):
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egg = os.path.join(to_dir, 'distribute-%s-py%d.%d.egg'
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% (version, sys.version_info[0], sys.version_info[1]))
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if not os.path.exists(egg):
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tarball = download_setuptools(version, download_base,
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to_dir, download_delay)
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_build_egg(egg, tarball, to_dir)
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sys.path.insert(0, egg)
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import setuptools
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setuptools.bootstrap_install_from = egg
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def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
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to_dir=os.curdir, download_delay=15, no_fake=True):
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# making sure we use the absolute path
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to_dir = os.path.abspath(to_dir)
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was_imported = 'pkg_resources' in sys.modules or \
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'setuptools' in sys.modules
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try:
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try:
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import pkg_resources
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if not hasattr(pkg_resources, '_distribute'):
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if not no_fake:
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_fake_setuptools()
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raise ImportError
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except ImportError:
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return _do_download(version, download_base, to_dir, download_delay)
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try:
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pkg_resources.require("distribute>="+version)
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return
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except pkg_resources.VersionConflict:
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e = sys.exc_info()[1]
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if was_imported:
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sys.stderr.write(
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"The required version of distribute (>=%s) is not available,\n"
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"and can't be installed while this script is running. Please\n"
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"install a more recent version first, using\n"
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"'easy_install -U distribute'."
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"\n\n(Currently using %r)\n" % (version, e.args[0]))
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sys.exit(2)
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else:
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del pkg_resources, sys.modules['pkg_resources'] # reload ok
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return _do_download(version, download_base, to_dir,
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download_delay)
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except pkg_resources.DistributionNotFound:
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return _do_download(version, download_base, to_dir,
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download_delay)
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finally:
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if not no_fake:
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_create_fake_setuptools_pkg_info(to_dir)
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def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
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to_dir=os.curdir, delay=15):
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"""Download distribute from a specified location and return its filename
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`version` should be a valid distribute version number that is available
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as an egg for download under the `download_base` URL (which should end
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with a '/'). `to_dir` is the directory where the egg will be downloaded.
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`delay` is the number of seconds to pause before an actual download
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attempt.
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"""
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# making sure we use the absolute path
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to_dir = os.path.abspath(to_dir)
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try:
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from urllib.request import urlopen
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except ImportError:
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from urllib2 import urlopen
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tgz_name = "distribute-%s.tar.gz" % version
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url = download_base + tgz_name
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saveto = os.path.join(to_dir, tgz_name)
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src = dst = None
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if not os.path.exists(saveto): # Avoid repeated downloads
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try:
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log.warn("Downloading %s", url)
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src = urlopen(url)
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# Read/write all in one block, so we don't create a corrupt file
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# if the download is interrupted.
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data = src.read()
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dst = open(saveto, "wb")
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dst.write(data)
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finally:
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if src:
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src.close()
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if dst:
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dst.close()
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return os.path.realpath(saveto)
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def _no_sandbox(function):
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def __no_sandbox(*args, **kw):
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try:
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from setuptools.sandbox import DirectorySandbox
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if not hasattr(DirectorySandbox, '_old'):
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def violation(*args):
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pass
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DirectorySandbox._old = DirectorySandbox._violation
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DirectorySandbox._violation = violation
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patched = True
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else:
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patched = False
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except ImportError:
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patched = False
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try:
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return function(*args, **kw)
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finally:
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if patched:
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DirectorySandbox._violation = DirectorySandbox._old
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del DirectorySandbox._old
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return __no_sandbox
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def _patch_file(path, content):
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"""Will backup the file then patch it"""
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existing_content = open(path).read()
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if existing_content == content:
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# already patched
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log.warn('Already patched.')
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return False
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log.warn('Patching...')
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_rename_path(path)
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f = open(path, 'w')
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try:
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f.write(content)
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finally:
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f.close()
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return True
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_patch_file = _no_sandbox(_patch_file)
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def _same_content(path, content):
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return open(path).read() == content
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def _rename_path(path):
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new_name = path + '.OLD.%s' % time.time()
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log.warn('Renaming %s into %s', path, new_name)
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os.rename(path, new_name)
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return new_name
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def _remove_flat_installation(placeholder):
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if not os.path.isdir(placeholder):
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log.warn('Unkown installation at %s', placeholder)
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return False
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found = False
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for file in os.listdir(placeholder):
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if fnmatch.fnmatch(file, 'setuptools*.egg-info'):
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found = True
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break
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if not found:
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log.warn('Could not locate setuptools*.egg-info')
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return
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log.warn('Removing elements out of the way...')
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pkg_info = os.path.join(placeholder, file)
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if os.path.isdir(pkg_info):
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patched = _patch_egg_dir(pkg_info)
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else:
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patched = _patch_file(pkg_info, SETUPTOOLS_PKG_INFO)
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if not patched:
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log.warn('%s already patched.', pkg_info)
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return False
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# now let's move the files out of the way
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for element in ('setuptools', 'pkg_resources.py', 'site.py'):
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element = os.path.join(placeholder, element)
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if os.path.exists(element):
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_rename_path(element)
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else:
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log.warn('Could not find the %s element of the '
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'Setuptools distribution', element)
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return True
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_remove_flat_installation = _no_sandbox(_remove_flat_installation)
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def _after_install(dist):
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log.warn('After install bootstrap.')
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placeholder = dist.get_command_obj('install').install_purelib
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_create_fake_setuptools_pkg_info(placeholder)
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def _create_fake_setuptools_pkg_info(placeholder):
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if not placeholder or not os.path.exists(placeholder):
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log.warn('Could not find the install location')
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return
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pyver = '%s.%s' % (sys.version_info[0], sys.version_info[1])
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setuptools_file = 'setuptools-%s-py%s.egg-info' % \
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(SETUPTOOLS_FAKED_VERSION, pyver)
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pkg_info = os.path.join(placeholder, setuptools_file)
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if os.path.exists(pkg_info):
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log.warn('%s already exists', pkg_info)
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return
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log.warn('Creating %s', pkg_info)
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f = open(pkg_info, 'w')
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try:
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f.write(SETUPTOOLS_PKG_INFO)
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finally:
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f.close()
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pth_file = os.path.join(placeholder, 'setuptools.pth')
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log.warn('Creating %s', pth_file)
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f = open(pth_file, 'w')
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try:
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f.write(os.path.join(os.curdir, setuptools_file))
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finally:
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f.close()
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_create_fake_setuptools_pkg_info = _no_sandbox(_create_fake_setuptools_pkg_info)
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def _patch_egg_dir(path):
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# let's check if it's already patched
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pkg_info = os.path.join(path, 'EGG-INFO', 'PKG-INFO')
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if os.path.exists(pkg_info):
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if _same_content(pkg_info, SETUPTOOLS_PKG_INFO):
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log.warn('%s already patched.', pkg_info)
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return False
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_rename_path(path)
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os.mkdir(path)
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os.mkdir(os.path.join(path, 'EGG-INFO'))
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pkg_info = os.path.join(path, 'EGG-INFO', 'PKG-INFO')
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f = open(pkg_info, 'w')
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try:
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f.write(SETUPTOOLS_PKG_INFO)
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finally:
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f.close()
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return True
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_patch_egg_dir = _no_sandbox(_patch_egg_dir)
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def _before_install():
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log.warn('Before install bootstrap.')
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_fake_setuptools()
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def _under_prefix(location):
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if 'install' not in sys.argv:
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return True
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args = sys.argv[sys.argv.index('install')+1:]
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for index, arg in enumerate(args):
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for option in ('--root', '--prefix'):
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if arg.startswith('%s=' % option):
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top_dir = arg.split('root=')[-1]
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return location.startswith(top_dir)
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elif arg == option:
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if len(args) > index:
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top_dir = args[index+1]
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return location.startswith(top_dir)
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if arg == '--user' and USER_SITE is not None:
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return location.startswith(USER_SITE)
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return True
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def _fake_setuptools():
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log.warn('Scanning installed packages')
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try:
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import pkg_resources
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except ImportError:
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# we're cool
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log.warn('Setuptools or Distribute does not seem to be installed.')
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return
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ws = pkg_resources.working_set
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try:
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setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools',
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replacement=False))
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except TypeError:
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# old distribute API
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setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools'))
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if setuptools_dist is None:
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log.warn('No setuptools distribution found')
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return
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|
||||||
# detecting if it was already faked
|
|
||||||
setuptools_location = setuptools_dist.location
|
|
||||||
log.warn('Setuptools installation detected at %s', setuptools_location)
|
|
||||||
|
|
||||||
# if --root or --preix was provided, and if
|
|
||||||
# setuptools is not located in them, we don't patch it
|
|
||||||
if not _under_prefix(setuptools_location):
|
|
||||||
log.warn('Not patching, --root or --prefix is installing Distribute'
|
|
||||||
' in another location')
|
|
||||||
return
|
|
||||||
|
|
||||||
# let's see if its an egg
|
|
||||||
if not setuptools_location.endswith('.egg'):
|
|
||||||
log.warn('Non-egg installation')
|
|
||||||
res = _remove_flat_installation(setuptools_location)
|
|
||||||
if not res:
|
|
||||||
return
|
|
||||||
else:
|
|
||||||
log.warn('Egg installation')
|
|
||||||
pkg_info = os.path.join(setuptools_location, 'EGG-INFO', 'PKG-INFO')
|
|
||||||
if (os.path.exists(pkg_info) and
|
|
||||||
_same_content(pkg_info, SETUPTOOLS_PKG_INFO)):
|
|
||||||
log.warn('Already patched.')
|
|
||||||
return
|
|
||||||
log.warn('Patching...')
|
|
||||||
# let's create a fake egg replacing setuptools one
|
|
||||||
res = _patch_egg_dir(setuptools_location)
|
|
||||||
if not res:
|
|
||||||
return
|
|
||||||
log.warn('Patched done.')
|
|
||||||
_relaunch()
|
|
||||||
|
|
||||||
|
|
||||||
def _relaunch():
|
|
||||||
log.warn('Relaunching...')
|
|
||||||
# we have to relaunch the process
|
|
||||||
# pip marker to avoid a relaunch bug
|
|
||||||
if sys.argv[:3] == ['-c', 'install', '--single-version-externally-managed']:
|
|
||||||
sys.argv[0] = 'setup.py'
|
|
||||||
args = [sys.executable] + sys.argv
|
|
||||||
sys.exit(subprocess.call(args))
|
|
||||||
|
|
||||||
|
|
||||||
def _extractall(self, path=".", members=None):
|
|
||||||
"""Extract all members from the archive to the current working
|
|
||||||
directory and set owner, modification time and permissions on
|
|
||||||
directories afterwards. `path' specifies a different directory
|
|
||||||
to extract to. `members' is optional and must be a subset of the
|
|
||||||
list returned by getmembers().
|
|
||||||
"""
|
|
||||||
import copy
|
|
||||||
import operator
|
|
||||||
from tarfile import ExtractError
|
|
||||||
directories = []
|
|
||||||
|
|
||||||
if members is None:
|
|
||||||
members = self
|
|
||||||
|
|
||||||
for tarinfo in members:
|
|
||||||
if tarinfo.isdir():
|
|
||||||
# Extract directories with a safe mode.
|
|
||||||
directories.append(tarinfo)
|
|
||||||
tarinfo = copy.copy(tarinfo)
|
|
||||||
tarinfo.mode = 448 # decimal for oct 0700
|
|
||||||
self.extract(tarinfo, path)
|
|
||||||
|
|
||||||
# Reverse sort directories.
|
|
||||||
if sys.version_info < (2, 4):
|
|
||||||
def sorter(dir1, dir2):
|
|
||||||
return cmp(dir1.name, dir2.name)
|
|
||||||
directories.sort(sorter)
|
|
||||||
directories.reverse()
|
|
||||||
else:
|
|
||||||
directories.sort(key=operator.attrgetter('name'), reverse=True)
|
|
||||||
|
|
||||||
# Set correct owner, mtime and filemode on directories.
|
|
||||||
for tarinfo in directories:
|
|
||||||
dirpath = os.path.join(path, tarinfo.name)
|
|
||||||
try:
|
|
||||||
self.chown(tarinfo, dirpath)
|
|
||||||
self.utime(tarinfo, dirpath)
|
|
||||||
self.chmod(tarinfo, dirpath)
|
|
||||||
except ExtractError:
|
|
||||||
e = sys.exc_info()[1]
|
|
||||||
if self.errorlevel > 1:
|
|
||||||
raise
|
|
||||||
else:
|
|
||||||
self._dbg(1, "tarfile: %s" % e)
|
|
||||||
|
|
||||||
|
|
||||||
def main(argv, version=DEFAULT_VERSION):
|
|
||||||
"""Install or upgrade setuptools and EasyInstall"""
|
|
||||||
tarball = download_setuptools()
|
|
||||||
_install(tarball)
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
main(sys.argv[1:])
|
|
||||||
Loading…
Reference in a new issue