new file mode 100644

@@ -0,0 +1,356 @@

+#!/usr/bin/env python

+

+"""

+Setuptools bootstrapping installer.

+

+Run this script to install or upgrade setuptools.

+"""

+

+import os

+import shutil

+import sys

+import tempfile

+import zipfile

+import optparse

+import subprocess

+import platform

+import textwrap

+import contextlib

+import warnings

+

+from distutils import log

+

+try:

+    from urllib.request import urlopen

+except ImportError:

+    from urllib2 import urlopen

+

+try:

+    from site import USER_SITE

+except ImportError:

+    USER_SITE = None

+

+DEFAULT_VERSION = "12.0.5"

+DEFAULT_URL = "https://pypi.python.org/packages/source/s/setuptools/"

+

+

+def _python_cmd(*args):

+    """

+    Execute a command.

+

+    Return True if the command succeeded.

+    """

+    args = (sys.executable,) + args

+    return subprocess.call(args) == 0

+

+

+def _install(archive_filename, install_args=()):

+    """Install Setuptools."""

+    with archive_context(archive_filename):

+        # installing

+        log.warn('Installing Setuptools')

+        if not _python_cmd('setup.py', 'install', *install_args):

+            log.warn('Something went wrong during the installation.')

+            log.warn('See the error message above.')

+            # exitcode will be 2

+            return 2

+

+

+def _build_egg(egg, archive_filename, to_dir):

+    """Build Setuptools egg."""

+    with archive_context(archive_filename):

+        # building an egg

+        log.warn('Building a Setuptools egg in %s', to_dir)

+        _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)

+    # returning the result

+    log.warn(egg)

+    if not os.path.exists(egg):

+        raise IOError('Could not build the egg.')

+

+

+class ContextualZipFile(zipfile.ZipFile):

+

+    """Supplement ZipFile class to support context manager for Python 2.6."""

+

+    def __enter__(self):

+        return self

+

+    def __exit__(self, type, value, traceback):

+        self.close()

+

+    def __new__(cls, *args, **kwargs):

+        """Construct a ZipFile or ContextualZipFile as appropriate."""

+        if hasattr(zipfile.ZipFile, '__exit__'):

+            return zipfile.ZipFile(*args, **kwargs)

+        return super(ContextualZipFile, cls).__new__(cls)

+

+

+@contextlib.contextmanager

+def archive_context(filename):

+    """

+    Unzip filename to a temporary directory, set to the cwd.

+

+    The unzipped target is cleaned up after.

+    """

+    tmpdir = tempfile.mkdtemp()

+    log.warn('Extracting in %s', tmpdir)

+    old_wd = os.getcwd()

+    try:

+        os.chdir(tmpdir)

+        with ContextualZipFile(filename) as archive:

+            archive.extractall()

+

+        # going in the directory

+        subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])

+        os.chdir(subdir)

+        log.warn('Now working in %s', subdir)

+        yield

+

+    finally:

+        os.chdir(old_wd)

+        shutil.rmtree(tmpdir)

+

+

+def _do_download(version, download_base, to_dir, download_delay):

+    """Download Setuptools."""

+    egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'

+                       % (version, sys.version_info[0], sys.version_info[1]))

+    if not os.path.exists(egg):

+        archive = download_setuptools(version, download_base,

+                                      to_dir, download_delay)

+        _build_egg(egg, archive, to_dir)

+    sys.path.insert(0, egg)

+

+    # Remove previously-imported pkg_resources if present (see

+    # https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).

+    if 'pkg_resources' in sys.modules:

+        del sys.modules['pkg_resources']

+

+    import setuptools

+    setuptools.bootstrap_install_from = egg

+

+

+def use_setuptools(

+        version=DEFAULT_VERSION, download_base=DEFAULT_URL,

+        to_dir=os.curdir, download_delay=15):

+    """

+    *deprecated* Download, install, and import Setuptools.

+

+    Return None.

+    """

+    warnings.warn(

+        "`use_setuptools` is deprecated. To enforce a specific "

+        "version of setuptools, use `pkg_resources.require`.",

+        DeprecationWarning,

+    )

+    to_dir = os.path.abspath(to_dir)

+    rep_modules = 'pkg_resources', 'setuptools'

+    imported = set(sys.modules).intersection(rep_modules)

+    conflict_tmpl = textwrap.dedent("""

+        The required version of setuptools (>={version}) is not available,

+        and can't be installed while this script is running. Please

+        install a more recent version first, using

+        'easy_install -U setuptools'.

+

+        (Currently using {VC_err.args[0]!r})

+        """)

+    try:

+        import pkg_resources

+    except ImportError:

+        return _do_download(version, download_base, to_dir, download_delay)

+    try:

+        pkg_resources.require("setuptools>=" + version)

+        return

+    except pkg_resources.DistributionNotFound:

+        return _do_download(version, download_base, to_dir, download_delay)

+    except pkg_resources.VersionConflict as VC_err:

+        if imported:

+            msg = conflict_tmpl.format(VC_err=VC_err, version=version)

+            sys.stderr.write(msg)

+            sys.exit(2)

+

+        # otherwise, reload ok

+        del pkg_resources, sys.modules['pkg_resources']

+        return _do_download(version, download_base, to_dir, download_delay)

+

+

+def _clean_check(cmd, target):

+    """

+    Run the command to download target.

+

+    If the command fails, clean up before re-raising the error.

+    """

+    try:

+        subprocess.check_call(cmd)

+    except subprocess.CalledProcessError:

+        if os.access(target, os.F_OK):

+            os.unlink(target)

+        raise

+

+

+def download_file_powershell(url, target):

+    """

+    Download the file at url to target using Powershell.

+

+    Powershell will validate trust.

+    Raise an exception if the command cannot complete.

+    """

+    target = os.path.abspath(target)

+    ps_cmd = (

+        "[System.Net.WebRequest]::DefaultWebProxy.Credentials = "

+        "[System.Net.CredentialCache]::DefaultCredentials; "

+        "(new-object System.Net.WebClient).DownloadFile(%(url)r, %(target)r)"

+        % vars()

+    )

+    cmd = [

+        'powershell',

+        '-Command',

+        ps_cmd,

+    ]

+    _clean_check(cmd, target)

+

+

+def has_powershell():

+    """Determine if Powershell is available."""

+    if platform.system() != 'Windows':

+        return False

+    cmd = ['powershell', '-Command', 'echo test']

+    with open(os.path.devnull, 'wb') as devnull:

+        try:

+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)

+        except Exception:

+            return False

+    return True

+download_file_powershell.viable = has_powershell

+

+

+def download_file_curl(url, target):

+    cmd = ['curl', url, '--silent', '--output', target]

+    _clean_check(cmd, target)

+

+

+def has_curl():

+    cmd = ['curl', '--version']

+    with open(os.path.devnull, 'wb') as devnull:

+        try:

+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)

+        except Exception:

+            return False

+    return True

+download_file_curl.viable = has_curl

+

+

+def download_file_wget(url, target):

+    cmd = ['wget', url, '--quiet', '--output-document', target]

+    _clean_check(cmd, target)

+

+

+def has_wget():

+    cmd = ['wget', '--version']

+    with open(os.path.devnull, 'wb') as devnull:

+        try:

+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)

+        except Exception:

+            return False

+    return True

+download_file_wget.viable = has_wget

+

+

+def download_file_insecure(url, target):

+    """Use Python to download the file, without connection authentication."""

+    src = urlopen(url)

+    try:

+        # Read all the data in one block.

+        data = src.read()

+    finally:

+        src.close()

+

+    # Write all the data in one block to avoid creating a partial file.

+    with open(target, "wb") as dst:

+        dst.write(data)

+download_file_insecure.viable = lambda: True

+

+

+def get_best_downloader():

+    downloaders = (

+        download_file_powershell,

+        download_file_curl,

+        download_file_wget,

+        download_file_insecure,

+    )

+    viable_downloaders = (dl for dl in downloaders if dl.viable())

+    return next(viable_downloaders, None)

+

+

+def download_setuptools(

+        version=DEFAULT_VERSION, download_base=DEFAULT_URL,

+        to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader):

+    """

+    Download setuptools from a specified location and return its filename.

+

+    `version` should be a valid setuptools version number that is available

+    as an sdist for download under the `download_base` URL (which should end

+    with a '/'). `to_dir` is the directory where the egg will be downloaded.

+    `delay` is the number of seconds to pause before an actual download

+    attempt.

+

+    ``downloader_factory`` should be a function taking no arguments and

+    returning a function for downloading a URL to a target.

+    """

+    # making sure we use the absolute path

+    to_dir = os.path.abspath(to_dir)

+    zip_name = "setuptools-%s.zip" % version

+    url = download_base + zip_name

+    saveto = os.path.join(to_dir, zip_name)

+    if not os.path.exists(saveto):  # Avoid repeated downloads

+        log.warn("Downloading %s", url)

+        downloader = downloader_factory()

+        downloader(url, saveto)

+    return os.path.realpath(saveto)

+

+

+def _build_install_args(options):

+    """

+    Build the arguments to 'python setup.py install' on the setuptools package.

+

+    Returns list of command line arguments.

+    """

+    return ['--user'] if options.user_install else []

+

+

+def _parse_args():

+    """Parse the command line for options."""

+    parser = optparse.OptionParser()

+    parser.add_option(

+        '--user', dest='user_install', action='store_true', default=False,

+        help='install in user site package (requires Python 2.6 or later)')

+    parser.add_option(

+        '--download-base', dest='download_base', metavar="URL",

+        default=DEFAULT_URL,

+        help='alternative URL from where to download the setuptools package')

+    parser.add_option(

+        '--insecure', dest='downloader_factory', action='store_const',

+        const=lambda: download_file_insecure, default=get_best_downloader,

+        help='Use internal, non-validating downloader'

+    )

+    parser.add_option(

+        '--version', help="Specify which version to download",

+        default=DEFAULT_VERSION,

+    )

+    options, args = parser.parse_args()

+    # positional arguments are ignored

+    return options

+

+

+def main():

+    """Install or upgrade setuptools and EasyInstall."""

+    options = _parse_args()

+    archive = download_setuptools(

+        version=options.version,

+        download_base=options.download_base,

+        downloader_factory=options.downloader_factory,

+    )

+    return _install(archive, _build_install_args(options))

+

+if __name__ == '__main__':

+    sys.exit(main())

@@ -1,7 +1,10 @@

-from distutils.core import setup

 import sys

 import os

+import ez_setup

+ez_setup.use_setuptools()

+from setuptools import setup, find_packages

+

 import S3.PkgInfo

 if float("%d.%d" % sys.version_info[:2]) < 2.6: