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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
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commit 67e6252a1ecd6587693b2756bf4bf27c0b89c3e6 1 parent f575a4e
Adrian Holovaty adrianholovaty authored
Showing with 213 additions and 164 deletions.
  1. +213 −164 ez_setup.py
377 ez_setup.py
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@@ -1,164 +1,213 @@
-#!python
-"""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.
-"""
-
-DEFAULT_VERSION = "0.5a12"
-DEFAULT_URL = "http://www.python.org/packages/source/s/setuptools/"
-
-import sys, os
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-def use_setuptools(
- version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir
-):
- """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 an older version of setuptools is installed, this will print a message
- to ``sys.stderr`` and raise SystemExit in an attempt to abort the calling
- script.
- """
- try:
- import setuptools
- if setuptools.__version__ == '0.0.1':
- print >>sys.stderr, (
- "You have an obsolete version of setuptools installed. Please\n"
- "remove it from your system entirely before rerunning this script."
- )
- sys.exit(2)
-
- except ImportError:
- egg = download_setuptools(version, download_base, to_dir)
- sys.path.insert(0, egg)
- import setuptools; setuptools.bootstrap_install_from = egg
-
- import pkg_resources
- try:
- pkg_resources.require("setuptools>="+version)
-
- except pkg_resources.VersionConflict:
- # XXX could we install in a subprocess here?
- print >>sys.stderr, (
- "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."
- ) % version
- sys.exit(2)
-
-def download_setuptools(
- version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir
-):
- """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.
- """
- import urllib2, shutil
- egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])
- url = download_base + egg_name + '.zip' # XXX
- 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
- log.warn("Downloading %s", url)
- src = urllib2.urlopen(url)
- # Read/write all in one block, so we don't create a corrupt file
- # if the download is interrupted.
- data = 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:
- import tempfile, shutil
- tmpdir = tempfile.mkdtemp(prefix="easy_install-")
- try:
- egg = download_setuptools(version, to_dir=tmpdir)
- sys.path.insert(0,egg)
- from setuptools.command.easy_install import main
- main(list(argv)+[egg])
- finally:
- shutil.rmtree(tmpdir)
- else:
- if setuptools.__version__ == '0.0.1':
- # tell the user to uninstall obsolete version
- use_setuptools(version)
-
- 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()])
- 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.)'
-if __name__=='__main__':
- main(sys.argv[1:])
-
+#!python
+"""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 = "0.6a5"
+DEFAULT_URL = "http://cheeseshop.python.org/packages/%s/s/setuptools/" % sys.version[:3]
+
+md5_data = {
+ 'setuptools-0.5a13-py2.3.egg': '85edcf0ef39bab66e130d3f38f578c86',
+ 'setuptools-0.5a13-py2.4.egg': 'ede4be600e3890e06d4ee5e0148e092a',
+ 'setuptools-0.6a1-py2.3.egg': 'ee819a13b924d9696b0d6ca6d1c5833d',
+ 'setuptools-0.6a1-py2.4.egg': '8256b5f1cd9e348ea6877b5ddd56257d',
+ 'setuptools-0.6a2-py2.3.egg': 'b98da449da411267c37a738f0ab625ba',
+ 'setuptools-0.6a2-py2.4.egg': 'be5b88bc30aed63fdefd2683be135c3b',
+ 'setuptools-0.6a3-py2.3.egg': 'ee0e325de78f23aab79d33106dc2a8c8',
+ 'setuptools-0.6a3-py2.4.egg': 'd95453d525a456d6c23e7a5eea89a063',
+ 'setuptools-0.6a4-py2.3.egg': 'e958cbed4623bbf47dd1f268b99d7784',
+ 'setuptools-0.6a4-py2.4.egg': '7f33c3ac2ef1296f0ab4fac1de4767d8',
+ 'setuptools-0.6a5-py2.3.egg': '748408389c49bcd2d84f6ae0b01695b1',
+ 'setuptools-0.6a5-py2.4.egg': '999bacde623f4284bfb3ea77941d2627',
+}
+
+import sys, os
+
+def _validate_md5(egg_name, data):
+ if egg_name in md5_data:
+ from md5 import md5
+ digest = md5(data).hexdigest()
+ if digest != md5_data[egg_name]:
+ print >>sys.stderr, (
+ "md5 validation of %s failed! (Possible download problem?)"
+ % egg_name
+ )
+ 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.
+ """
+ try:
+ import setuptools
+ if setuptools.__version__ == '0.0.1':
+ print >>sys.stderr, (
+ "You have an obsolete version of setuptools installed. Please\n"
+ "remove it from your system entirely before rerunning this script."
+ )
+ sys.exit(2)
+ except ImportError:
+ egg = download_setuptools(version, download_base, to_dir, download_delay)
+ sys.path.insert(0, egg)
+ import setuptools; setuptools.bootstrap_install_from = egg
+
+ import pkg_resources
+ try:
+ pkg_resources.require("setuptools>="+version)
+
+ except pkg_resources.VersionConflict:
+ # XXX could we install in a subprocess here?
+ print >>sys.stderr, (
+ "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."
+ ) % version
+ sys.exit(2)
+
+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 urllib2, shutil
+ 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.
+---------------------------------------------------------------------------""",
+ version, download_base, delay
+ ); from time import sleep; sleep(delay)
+ log.warn("Downloading %s", url)
+ src = urllib2.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:
+ import tempfile, shutil
+ tmpdir = tempfile.mkdtemp(prefix="easy_install-")
+ try:
+ egg = download_setuptools(version, to_dir=tmpdir, delay=0)
+ sys.path.insert(0,egg)
+ from setuptools.command.easy_install import main
+ main(list(argv)+[egg])
+ finally:
+ shutil.rmtree(tmpdir)
+ else:
+ if setuptools.__version__ == '0.0.1':
+ # tell the user to uninstall obsolete version
+ use_setuptools(version)
+
+ 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
+ from md5 import md5
+
+ 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 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 >>sys.stderr, "Internal error!"
+ 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:])
+
+
+
+
+
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