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#!python

# This file was obtained from:

# http://peak.telecommunity.com/dist/ez_setup.py

# on 2011/1/21.

from __future__ import print_function

"""Bootstrap setuptools installation

If you want to use setuptools in your package's setup.py, just include this

file in the same directory with it, and add this to the top of your setup.py::

from ez_setup import use_setuptools

use_setuptools()

If you want to require a specific version of setuptools, set a download

mirror, or use an alternate download directory, you can do so by supplying

the appropriate options to ``use_setuptools()``.

This file can also be run as a script to install or upgrade setuptools.

"""

import sys

DEFAULT_VERSION = "0.6c11"

DEFAULT_URL = "http://pypi.python.org/packages/%s/s/setuptools/" % sys.version[:3]

md5_data = {

'setuptools-0.6b1-py2.3.egg': '8822caf901250d848b996b7f25c6e6ca',

'setuptools-0.6b1-py2.4.egg': 'b79a8a403e4502fbb85ee3f1941735cb',

'setuptools-0.6b2-py2.3.egg': '5657759d8a6d8fc44070a9d07272d99b',

'setuptools-0.6b2-py2.4.egg': '4996a8d169d2be661fa32a6e52e4f82a',

'setuptools-0.6b3-py2.3.egg': 'bb31c0fc7399a63579975cad9f5a0618',

'setuptools-0.6b3-py2.4.egg': '38a8c6b3d6ecd22247f179f7da669fac',

'setuptools-0.6b4-py2.3.egg': '62045a24ed4e1ebc77fe039aa4e6f7e5',

'setuptools-0.6b4-py2.4.egg': '4cb2a185d228dacffb2d17f103b3b1c4',

'setuptools-0.6c1-py2.3.egg': 'b3f2b5539d65cb7f74ad79127f1a908c',

'setuptools-0.6c1-py2.4.egg': 'b45adeda0667d2d2ffe14009364f2a4b',

'setuptools-0.6c10-py2.3.egg': 'ce1e2ab5d3a0256456d9fc13800a7090',

'setuptools-0.6c10-py2.4.egg': '57d6d9d6e9b80772c59a53a8433a5dd4',

'setuptools-0.6c10-py2.5.egg': 'de46ac8b1c97c895572e5e8596aeb8c7',

'setuptools-0.6c10-py2.6.egg': '58ea40aef06da02ce641495523a0b7f5',

'setuptools-0.6c11-py2.3.egg': '2baeac6e13d414a9d28e7ba5b5a596de',

'setuptools-0.6c11-py2.4.egg': 'bd639f9b0eac4c42497034dec2ec0c2b',

'setuptools-0.6c11-py2.5.egg': '64c94f3bf7a72a13ec83e0b24f2749b2',

'setuptools-0.6c11-py2.6.egg': 'bfa92100bd772d5a213eedd356d64086',

'setuptools-0.6c2-py2.3.egg': 'f0064bf6aa2b7d0f3ba0b43f20817c27',

'setuptools-0.6c2-py2.4.egg': '616192eec35f47e8ea16cd6a122b7277',

'setuptools-0.6c3-py2.3.egg': 'f181fa125dfe85a259c9cd6f1d7b78fa',

'setuptools-0.6c3-py2.4.egg': 'e0ed74682c998bfb73bf803a50e7b71e',

'setuptools-0.6c3-py2.5.egg': 'abef16fdd61955514841c7c6bd98965e',

'setuptools-0.6c4-py2.3.egg': 'b0b9131acab32022bfac7f44c5d7971f',

'setuptools-0.6c4-py2.4.egg': '2a1f9656d4fbf3c97bf946c0a124e6e2',

'setuptools-0.6c4-py2.5.egg': '8f5a052e32cdb9c72bcf4b5526f28afc',

'setuptools-0.6c5-py2.3.egg': 'ee9fd80965da04f2f3e6b3576e9d8167',

'setuptools-0.6c5-py2.4.egg': 'afe2adf1c01701ee841761f5bcd8aa64',

'setuptools-0.6c5-py2.5.egg': 'a8d3f61494ccaa8714dfed37bccd3d5d',

'setuptools-0.6c6-py2.3.egg': '35686b78116a668847237b69d549ec20',

'setuptools-0.6c6-py2.4.egg': '3c56af57be3225019260a644430065ab',

'setuptools-0.6c6-py2.5.egg': 'b2f8a7520709a5b34f80946de5f02f53',

'setuptools-0.6c7-py2.3.egg': '209fdf9adc3a615e5115b725658e13e2',

'setuptools-0.6c7-py2.4.egg': '5a8f954807d46a0fb67cf1f26c55a82e',

'setuptools-0.6c7-py2.5.egg': '45d2ad28f9750e7434111fde831e8372',

'setuptools-0.6c8-py2.3.egg': '50759d29b349db8cfd807ba8303f1902',

'setuptools-0.6c8-py2.4.egg': 'cba38d74f7d483c06e9daa6070cce6de',

'setuptools-0.6c8-py2.5.egg': '1721747ee329dc150590a58b3e1ac95b',

'setuptools-0.6c9-py2.3.egg': 'a83c4020414807b496e4cfbe08507c03',

'setuptools-0.6c9-py2.4.egg': '260a2be2e5388d66bdaee06abec6342a',

'setuptools-0.6c9-py2.5.egg': 'fe67c3e5a17b12c0e7c541b7ea43a8e6',

'setuptools-0.6c9-py2.6.egg': 'ca37b1ff16fa2ede6e19383e7b59245a',

}

import sys, os

try: from hashlib import md5

except ImportError: from md5 import md5

def _validate_md5(egg_name, data):

if egg_name in md5_data:

digest = md5(data).hexdigest()

if digest != md5_data[egg_name]:

print((

"md5 validation of %s failed! (Possible download problem?)"

% egg_name

), file=sys.stderr)

sys.exit(2)

return data

def use_setuptools(

version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,

download_delay=15

"""Automatically find/download setuptools and make it available on sys.path

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

as an egg for download under the `download_base` URL (which should end with

a '/'). `to_dir` is the directory where setuptools will be downloaded, if

it is not already available. If `download_delay` is specified, it should

be the number of seconds that will be paused before initiating a download,

should one be required. If an older version of setuptools is installed,

this routine will print a message to ``sys.stderr`` and raise SystemExit in

an attempt to abort the calling script.

"""

was_imported = 'pkg_resources' in sys.modules or 'setuptools' in sys.modules

def do_download():

egg = download_setuptools(version, download_base, to_dir, download_delay)

sys.path.insert(0, egg)

import setuptools; setuptools.bootstrap_install_from = egg

try:

import pkg_resources

except ImportError:

return do_download()

try:

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

except pkg_resources.VersionConflict as e:

if was_imported:

print((

"The required version of setuptools (>=%s) is not available, and\n"

"can't be installed while this script is running. Please install\n"

" a more recent version first, using 'easy_install -U setuptools'."

"\n\n(Currently using %r)"

) % (version, e.args[0]), file=sys.stderr)

sys.exit(2)

except pkg_resources.DistributionNotFound:

pass

del pkg_resources, sys.modules['pkg_resources'] # reload ok

return do_download()

def download_setuptools(

version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,

delay = 15

"""Download setuptools from a specified location and return its filename

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

as an egg 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.

"""

import shutil

try:

from urllib2 import urlopen

except ImportError:

from urllib.request import urlopen

egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])

url = download_base + egg_name

saveto = os.path.join(to_dir, egg_name)

src = dst = None

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

try:

from distutils import log

if delay:

log.warn("""

---------------------------------------------------------------------------

This script requires setuptools version %s to run (even to display

help). I will attempt to download it for you (from

%s), but

you may need to enable firewall access for this script first.

I will start the download in %d seconds.

(Note: if this machine does not have network access, please obtain the file

and place it in this directory before rerunning this script.)

---------------------------------------------------------------------------""",

version, download_base, delay, url

); from time import sleep; sleep(delay)

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

src = urlopen(url)

# Read/write all in one block, so we don't create a corrupt file

# if the download is interrupted.

data = _validate_md5(egg_name, src.read())

dst = open(saveto,"wb"); dst.write(data)

finally:

if src: src.close()

if dst: dst.close()

return os.path.realpath(saveto)

def main(argv, version=DEFAULT_VERSION):

"""Install or upgrade setuptools and EasyInstall"""

try:

import setuptools

except ImportError:

egg = None

try:

egg = download_setuptools(version, delay=0)

sys.path.insert(0,egg)

from setuptools.command.easy_install import main

return main(list(argv)+[egg]) # we're done here

finally:

if egg and os.path.exists(egg):

os.unlink(egg)

else:

if setuptools.__version__ == '0.0.1':

print((

"You have an obsolete version of setuptools installed. Please\n"

"remove it from your system entirely before rerunning this script."

), file=sys.stderr)

sys.exit(2)

req = "setuptools>="+version

import pkg_resources

try:

pkg_resources.require(req)

except pkg_resources.VersionConflict:

try:

from setuptools.command.easy_install import main

except ImportError:

from easy_install import main

main(list(argv)+[download_setuptools(delay=0)])

sys.exit(0) # try to force an exit

else:

if argv:

from setuptools.command.easy_install import main

main(argv)

else:

print("Setuptools version",version,"or greater has been installed.")

print('(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)')

def update_md5(filenames):

"""Update our built-in md5 registry"""

import re

for name in filenames:

base = os.path.basename(name)

f = open(name,'rb')

md5_data[base] = md5(f.read()).hexdigest()

f.close()

data = [" %r: %r,\n" % it for it in list(md5_data.items())]

data.sort()

repl = "".join(data)

import inspect

srcfile = inspect.getsourcefile(sys.modules[__name__])

f = open(srcfile, 'rb'); src = f.read(); f.close()

match = re.search("\nmd5_data = {\n([^}]+)}", src)

if not match:

print("Internal error!", file=sys.stderr)

sys.exit(2)

src = src[:match.start(1)] + repl + src[match.end(1):]

f = open(srcfile,'w')

f.write(src)

f.close()

if __name__=='__main__':

if len(sys.argv)>2 and sys.argv[1]=='--md5update':

update_md5(sys.argv[2:])

else:

main(sys.argv[1:])