--- a/distribute_setup.py	Thu Feb 13 15:35:21 2014 +0100
+++ b/distribute_setup.py	Mon Feb 17 12:25:17 2014 +0100
@@ -14,11 +14,14 @@
 This file can also be run as a script to install or upgrade setuptools.
 """
 import os
+import shutil
 import sys
 import time
 import fnmatch
 import tempfile
 import tarfile
+import optparse
+
 from distutils import log
 
 try:
@@ -30,14 +33,13 @@
     import subprocess
 
     def _python_cmd(*args):
-        args = (sys.executable, ) + args
+        args = (sys.executable,) + args
         return subprocess.call(args) == 0
 
 except ImportError:
-
     # will be used for python 2.3
     def _python_cmd(*args):
-        args = (sys.executable, ) + args
+        args = (sys.executable,) + args
         # quoting arguments if windows
         if sys.platform == 'win32':
             def quote(arg):
@@ -47,7 +49,7 @@
             args = [quote(arg) for arg in args]
         return os.spawnl(os.P_WAIT, sys.executable, *args) == 0
 
-DEFAULT_VERSION = "0.6.14"
+DEFAULT_VERSION = "0.6.49"
 DEFAULT_URL = "http://pypi.python.org/packages/source/d/distribute/"
 SETUPTOOLS_FAKED_VERSION = "0.6c11"
 
@@ -64,7 +66,7 @@
 """ % SETUPTOOLS_FAKED_VERSION
 
 
-def _install(tarball):
+def _install(tarball, install_args=()):
     # extracting the tarball
     tmpdir = tempfile.mkdtemp()
     log.warn('Extracting in %s', tmpdir)
@@ -82,11 +84,14 @@
 
         # installing
         log.warn('Installing Distribute')
-        if not _python_cmd('setup.py', 'install'):
+        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
     finally:
         os.chdir(old_wd)
+        shutil.rmtree(tmpdir)
 
 
 def _build_egg(egg, tarball, to_dir):
@@ -111,6 +116,7 @@
 
     finally:
         os.chdir(old_wd)
+        shutil.rmtree(tmpdir)
     # returning the result
     log.warn(egg)
     if not os.path.exists(egg):
@@ -138,6 +144,16 @@
     try:
         try:
             import pkg_resources
+
+            # Setuptools 0.7b and later is a suitable (and preferable)
+            # substitute for any Distribute version.
+            try:
+                pkg_resources.require("setuptools>=0.7b")
+                return
+            except (pkg_resources.DistributionNotFound,
+                    pkg_resources.VersionConflict):
+                pass
+
             if not hasattr(pkg_resources, '_distribute'):
                 if not no_fake:
                     _fake_setuptools()
@@ -151,11 +167,11 @@
             e = sys.exc_info()[1]
             if was_imported:
                 sys.stderr.write(
-                    "The required version of distribute (>=%s) is not available,\n"
-                    "and can't be installed while this script is running. Please\n"
-                    "install a more recent version first, using\n"
-                    "'easy_install -U distribute'."
-                    "\n\n(Currently using %r)\n" % (version, e.args[0]))
+                "The required version of distribute (>=%s) is not available,\n"
+                "and can't be installed while this script is running. Please\n"
+                "install a more recent version first, using\n"
+                "'easy_install -U distribute'."
+                "\n\n(Currently using %r)\n" % (version, e.args[0]))
                 sys.exit(2)
             else:
                 del pkg_resources, sys.modules['pkg_resources']    # reload ok
@@ -233,7 +249,9 @@
 
 def _patch_file(path, content):
     """Will backup the file then patch it"""
-    existing_content = open(path).read()
+    f = open(path)
+    existing_content = f.read()
+    f.close()
     if existing_content == content:
         # already patched
         log.warn('Already patched.')
@@ -251,12 +269,15 @@
 
 
 def _same_content(path, content):
-    return open(path).read() == content
+    f = open(path)
+    existing_content = f.read()
+    f.close()
+    return existing_content == content
 
 
 def _rename_path(path):
     new_name = path + '.OLD.%s' % time.time()
-    log.warn('Renaming %s into %s', path, new_name)
+    log.warn('Renaming %s to %s', path, new_name)
     os.rename(path, new_name)
     return new_name
 
@@ -274,7 +295,7 @@
         log.warn('Could not locate setuptools*.egg-info')
         return
 
-    log.warn('Removing elements out of the way...')
+    log.warn('Moving elements out of the way...')
     pkg_info = os.path.join(placeholder, file)
     if os.path.isdir(pkg_info):
         patched = _patch_egg_dir(pkg_info)
@@ -309,14 +330,18 @@
         return
     pyver = '%s.%s' % (sys.version_info[0], sys.version_info[1])
     setuptools_file = 'setuptools-%s-py%s.egg-info' % \
-        (SETUPTOOLS_FAKED_VERSION, pyver)
+            (SETUPTOOLS_FAKED_VERSION, pyver)
     pkg_info = os.path.join(placeholder, setuptools_file)
     if os.path.exists(pkg_info):
         log.warn('%s already exists', pkg_info)
         return
 
     log.warn('Creating %s', pkg_info)
-    f = open(pkg_info, 'w')
+    try:
+        f = open(pkg_info, 'w')
+    except EnvironmentError:
+        log.warn("Don't have permissions to write %s, skipping", pkg_info)
+        return
     try:
         f.write(SETUPTOOLS_PKG_INFO)
     finally:
@@ -330,7 +355,9 @@
     finally:
         f.close()
 
-_create_fake_setuptools_pkg_info = _no_sandbox(_create_fake_setuptools_pkg_info)
+_create_fake_setuptools_pkg_info = _no_sandbox(
+    _create_fake_setuptools_pkg_info
+)
 
 
 def _patch_egg_dir(path):
@@ -387,11 +414,14 @@
         return
     ws = pkg_resources.working_set
     try:
-        setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools',
-                                  replacement=False))
+        setuptools_dist = ws.find(
+            pkg_resources.Requirement.parse('setuptools', replacement=False)
+            )
     except TypeError:
         # old distribute API
-        setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools'))
+        setuptools_dist = ws.find(
+            pkg_resources.Requirement.parse('setuptools')
+        )
 
     if setuptools_dist is None:
         log.warn('No setuptools distribution found')
@@ -417,7 +447,7 @@
         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)):
+            _same_content(pkg_info, SETUPTOOLS_PKG_INFO)):
             log.warn('Already patched.')
             return
         log.warn('Patching...')
@@ -425,7 +455,7 @@
         res = _patch_egg_dir(setuptools_location)
         if not res:
             return
-    log.warn('Patched done.')
+    log.warn('Patching complete.')
     _relaunch()
 
 
@@ -433,7 +463,9 @@
     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']:
+    _cmd1 = ['-c', 'install', '--single-version-externally-managed']
+    _cmd2 = ['-c', 'install', '--record']
+    if sys.argv[:3] == _cmd1 or sys.argv[:3] == _cmd2:
         sys.argv[0] = 'setup.py'
     args = [sys.executable] + sys.argv
     sys.exit(subprocess.call(args))
@@ -486,11 +518,39 @@
                 self._dbg(1, "tarfile: %s" % e)
 
 
-def main(argv, version=DEFAULT_VERSION):
+def _build_install_args(options):
+    """
+    Build the arguments to 'python setup.py install' on the distribute package
+    """
+    install_args = []
+    if options.user_install:
+        if sys.version_info < (2, 6):
+            log.warn("--user requires Python 2.6 or later")
+            raise SystemExit(1)
+        install_args.append('--user')
+    return install_args
+
+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 distribute package')
+    options, args = parser.parse_args()
+    # positional arguments are ignored
+    return options
+
+def main(version=DEFAULT_VERSION):
     """Install or upgrade setuptools and EasyInstall"""
-    tarball = download_setuptools()
-    _install(tarball)
-
+    options = _parse_args()
+    tarball = download_setuptools(download_base=options.download_base)
+    return _install(tarball, _build_install_args(options))
 
 if __name__ == '__main__':
-    main(sys.argv[1:])
+    sys.exit(main())