Upgraded ez_setup.py from 0.5a12 to 0.6a5
git-svn-id: http://code.djangoproject.com/svn/django/trunk@873 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
parent
f575a4edaa
commit
67e6252a1e
147
ez_setup.py
147
ez_setup.py
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@ -13,45 +13,54 @@ 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 sys
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DEFAULT_VERSION = "0.6a5"
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DEFAULT_URL = "http://cheeseshop.python.org/packages/%s/s/setuptools/" % sys.version[:3]
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DEFAULT_VERSION = "0.5a12"
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DEFAULT_URL = "http://www.python.org/packages/source/s/setuptools/"
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md5_data = {
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'setuptools-0.5a13-py2.3.egg': '85edcf0ef39bab66e130d3f38f578c86',
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'setuptools-0.5a13-py2.4.egg': 'ede4be600e3890e06d4ee5e0148e092a',
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'setuptools-0.6a1-py2.3.egg': 'ee819a13b924d9696b0d6ca6d1c5833d',
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'setuptools-0.6a1-py2.4.egg': '8256b5f1cd9e348ea6877b5ddd56257d',
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'setuptools-0.6a2-py2.3.egg': 'b98da449da411267c37a738f0ab625ba',
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'setuptools-0.6a2-py2.4.egg': 'be5b88bc30aed63fdefd2683be135c3b',
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'setuptools-0.6a3-py2.3.egg': 'ee0e325de78f23aab79d33106dc2a8c8',
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'setuptools-0.6a3-py2.4.egg': 'd95453d525a456d6c23e7a5eea89a063',
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'setuptools-0.6a4-py2.3.egg': 'e958cbed4623bbf47dd1f268b99d7784',
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'setuptools-0.6a4-py2.4.egg': '7f33c3ac2ef1296f0ab4fac1de4767d8',
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'setuptools-0.6a5-py2.3.egg': '748408389c49bcd2d84f6ae0b01695b1',
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'setuptools-0.6a5-py2.4.egg': '999bacde623f4284bfb3ea77941d2627',
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}
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import sys, os
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def _validate_md5(egg_name, data):
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if egg_name in md5_data:
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from md5 import md5
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digest = md5(data).hexdigest()
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if digest != md5_data[egg_name]:
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print >>sys.stderr, (
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"md5 validation of %s failed! (Possible download problem?)"
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% egg_name
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)
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sys.exit(2)
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return data
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def use_setuptools(
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version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir
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version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
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download_delay=15
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):
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"""Automatically find/download setuptools and make it available on sys.path
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`version` should be a valid setuptools version number that is available
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as an egg for download under the `download_base` URL (which should end with
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a '/'). `to_dir` is the directory where setuptools will be downloaded, if
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it is not already available.
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If an older version of setuptools is installed, this will print a message
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to ``sys.stderr`` and raise SystemExit in an attempt to abort the calling
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script.
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it is not already available. If `download_delay` is specified, it should
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be the number of seconds that will be paused before initiating a download,
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should one be required. If an older version of setuptools is installed,
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this routine will print a message to ``sys.stderr`` and raise SystemExit in
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an attempt to abort the calling script.
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"""
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try:
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import setuptools
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@ -61,9 +70,8 @@ def use_setuptools(
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"remove it from your system entirely before rerunning this script."
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)
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sys.exit(2)
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except ImportError:
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egg = download_setuptools(version, download_base, to_dir)
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egg = download_setuptools(version, download_base, to_dir, download_delay)
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sys.path.insert(0, egg)
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import setuptools; setuptools.bootstrap_install_from = egg
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@ -81,46 +89,46 @@ def use_setuptools(
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sys.exit(2)
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def download_setuptools(
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version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir
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version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
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delay = 15
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):
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"""Download setuptools from a specified location and return its filename
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`version` should be a valid setuptools 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 attempt.
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"""
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import urllib2, shutil
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egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])
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url = download_base + egg_name + '.zip' # XXX
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url = download_base + egg_name
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saveto = os.path.join(to_dir, egg_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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from distutils import log
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if delay:
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log.warn("""
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---------------------------------------------------------------------------
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This script requires setuptools version %s to run (even to display
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help). I will attempt to download it for you (from
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%s), but
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you may need to enable firewall access for this script first.
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I will start the download in %d seconds.
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---------------------------------------------------------------------------""",
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version, download_base, delay
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); from time import sleep; sleep(delay)
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log.warn("Downloading %s", url)
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src = urllib2.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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data = _validate_md5(egg_name, src.read())
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dst = open(saveto,"wb"); dst.write(data)
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finally:
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if src: src.close()
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if dst: dst.close()
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return os.path.realpath(saveto)
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def main(argv, version=DEFAULT_VERSION):
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"""Install or upgrade setuptools and EasyInstall"""
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@ -130,7 +138,7 @@ def main(argv, version=DEFAULT_VERSION):
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import tempfile, shutil
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tmpdir = tempfile.mkdtemp(prefix="easy_install-")
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try:
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egg = download_setuptools(version, to_dir=tmpdir)
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egg = download_setuptools(version, to_dir=tmpdir, delay=0)
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sys.path.insert(0,egg)
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from setuptools.command.easy_install import main
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main(list(argv)+[egg])
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@ -150,7 +158,7 @@ def main(argv, version=DEFAULT_VERSION):
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from setuptools.command.easy_install import main
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except ImportError:
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from easy_install import main
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main(list(argv)+[download_setuptools()])
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main(list(argv)+[download_setuptools(delay=0)])
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sys.exit(0) # try to force an exit
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else:
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if argv:
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@ -159,6 +167,47 @@ def main(argv, version=DEFAULT_VERSION):
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else:
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print "Setuptools version",version,"or greater has been installed."
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print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'
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if __name__=='__main__':
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main(sys.argv[1:])
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def update_md5(filenames):
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"""Update our built-in md5 registry"""
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import re
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from md5 import md5
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for name in filenames:
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base = os.path.basename(name)
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f = open(name,'rb')
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md5_data[base] = md5(f.read()).hexdigest()
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f.close()
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data = [" %r: %r,\n" % it for it in md5_data.items()]
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data.sort()
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repl = "".join(data)
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import inspect
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srcfile = inspect.getsourcefile(sys.modules[__name__])
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f = open(srcfile, 'rb'); src = f.read(); f.close()
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match = re.search("\nmd5_data = {\n([^}]+)}", src)
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if not match:
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print >>sys.stderr, "Internal error!"
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sys.exit(2)
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src = src[:match.start(1)] + repl + src[match.end(1):]
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f = open(srcfile,'w')
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f.write(src)
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f.close()
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if __name__=='__main__':
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if len(sys.argv)>2 and sys.argv[1]=='--md5update':
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update_md5(sys.argv[2:])
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else:
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main(sys.argv[1:])
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