diff -r 4f77196ffde1 -r 64aae3fee9d5 virtualenv/web/virtualenv.py
--- a/virtualenv/web/virtualenv.py	Mon Dec 16 12:40:05 2013 +0100
+++ b/virtualenv/web/virtualenv.py	Sat Apr 05 03:49:56 2014 +0200
@@ -2,7 +2,7 @@
 """Create a "virtual" Python installation
 """
 
-__version__ = "1.10.1"
+__version__ = "1.11.4"
 virtualenv_version = __version__  # legacy
 
 import base64
@@ -130,7 +130,7 @@
                              'reprlib'])
     if minver >= 2:
         REQUIRED_FILES[-1] = 'config-%s' % majver
-    if minver == 3:
+    if minver >= 3:
         import sysconfig
         platdir = sysconfig.get_config_var('PLATDIR')
         REQUIRED_FILES.append(platdir)
@@ -285,6 +285,12 @@
             #"xmlrpc",
             #"zipfile",
         ])
+    if minver >= 4:
+        REQUIRED_MODULES.extend([
+            'operator',
+            '_collections_abc',
+            '_bootlocale',
+        ])
 
 if is_pypy:
     # these are needed to correctly display the exceptions that may happen
@@ -646,14 +652,14 @@
         action='count',
         dest='verbose',
         default=0,
-        help="Increase verbosity")
+        help="Increase verbosity.")
 
     parser.add_option(
         '-q', '--quiet',
         action='count',
         dest='quiet',
         default=0,
-        help='Decrease verbosity')
+        help='Decrease verbosity.')
 
     parser.add_option(
         '-p', '--python',
@@ -667,49 +673,47 @@
         '--clear',
         dest='clear',
         action='store_true',
-        help="Clear out the non-root install and start from scratch")
+        help="Clear out the non-root install and start from scratch.")
 
     parser.set_defaults(system_site_packages=False)
     parser.add_option(
         '--no-site-packages',
         dest='system_site_packages',
         action='store_false',
-        help="Don't give access to the global site-packages dir to the "
-             "virtual environment (default)")
+        help="DEPRECATED. Retained only for backward compatibility. "
+             "Not having access to global site-packages is now the default behavior.")
 
     parser.add_option(
         '--system-site-packages',
         dest='system_site_packages',
         action='store_true',
-        help="Give access to the global site-packages dir to the "
-             "virtual environment")
+        help="Give the virtual environment access to the global site-packages.")
 
     parser.add_option(
         '--always-copy',
         dest='symlink',
         action='store_false',
         default=True,
-        help="Always copy files rather than symlinking")
+        help="Always copy files rather than symlinking.")
 
     parser.add_option(
         '--unzip-setuptools',
         dest='unzip_setuptools',
         action='store_true',
-        help="Unzip Setuptools when installing it")
+        help="Unzip Setuptools when installing it.")
 
     parser.add_option(
         '--relocatable',
         dest='relocatable',
         action='store_true',
-        help='Make an EXISTING virtualenv environment relocatable.  '
-        'This fixes up scripts and makes all .pth files relative')
+        help='Make an EXISTING virtualenv environment relocatable. '
+             'This fixes up scripts and makes all .pth files relative.')
 
     parser.add_option(
         '--no-setuptools',
         dest='no_setuptools',
         action='store_true',
-        help='Do not install setuptools (or pip) '
-        'in the new virtualenv.')
+        help='Do not install setuptools (or pip) in the new virtualenv.')
 
     parser.add_option(
         '--no-pip',
@@ -722,36 +726,35 @@
         '--extra-search-dir',
         dest="search_dirs",
         action="append",
+        metavar='DIR',
         default=default_search_dirs,
         help="Directory to look for setuptools/pip distributions in. "
-        "You can add any number of additional --extra-search-dir paths.")
+              "This option can be used multiple times.")
 
     parser.add_option(
         '--never-download',
         dest="never_download",
         action="store_true",
         default=True,
-        help="Never download anything from the network. This is now always "
-        "the case. The option is only retained for backward compatibility, "
-        "and does nothing. Virtualenv will fail if local distributions "
-        "of setuptools/pip are not present.")
+        help="DEPRECATED. Retained only for backward compatibility. This option has no effect. "
+              "Virtualenv never downloads pip or setuptools.")
 
     parser.add_option(
         '--prompt',
         dest='prompt',
-        help='Provides an alternative prompt prefix for this environment')
+        help='Provides an alternative prompt prefix for this environment.')
 
     parser.add_option(
         '--setuptools',
         dest='setuptools',
         action='store_true',
-        help="Backward compatibility. Does nothing.")
+        help="DEPRECATED. Retained only for backward compatibility. This option has no effect.")
 
     parser.add_option(
         '--distribute',
         dest='distribute',
         action='store_true',
-        help="Backward compatibility. Does nothing.")
+        help="DEPRECATED. Retained only for backward compatibility. This option has no effect.")
 
     if 'extend_parser' in globals():
         extend_parser(parser)
@@ -907,34 +910,59 @@
         return Logger.INFO
     return Logger.DEBUG
 
-def install_sdist(project_name, sdist, py_executable, search_dirs=None):
+def find_wheels(projects, search_dirs):
+    """Find wheels from which we can import PROJECTS.
+
+    Scan through SEARCH_DIRS for a wheel for each PROJECT in turn. Return
+    a list of the first wheel found for each PROJECT
+    """
+
+    wheels = []
 
+    # Look through SEARCH_DIRS for the first suitable wheel. Don't bother
+    # about version checking here, as this is simply to get something we can
+    # then use to install the correct version.
+    for project in projects:
+        for dirname in search_dirs:
+            # This relies on only having "universal" wheels available.
+            # The pattern could be tightened to require -py2.py3-none-any.whl.
+            files = glob.glob(os.path.join(dirname, project + '-*.whl'))
+            if files:
+                wheels.append(os.path.abspath(files[0]))
+                break
+        else:
+            # We're out of luck, so quit with a suitable error
+            logger.fatal('Cannot find a wheel for %s' % (project,))
+
+    return wheels
+
+def install_wheel(project_names, py_executable, search_dirs=None):
     if search_dirs is None:
         search_dirs = file_search_dirs()
-    found, sdist_path = _find_file(sdist, search_dirs)
-    if not found:
-        logger.fatal("Cannot find sdist %s" % (sdist,))
-        return
+
+    wheels = find_wheels(['setuptools', 'pip'], search_dirs)
+    pythonpath = os.pathsep.join(wheels)
+    findlinks = ' '.join(search_dirs)
 
-    tmpdir = tempfile.mkdtemp()
+    cmd = [
+        py_executable, '-c',
+        'import sys, pip; sys.exit(pip.main(["install", "--ignore-installed"] + sys.argv[1:]))',
+    ] + project_names
+    logger.start_progress('Installing %s...' % (', '.join(project_names)))
+    logger.indent += 2
     try:
-        tar = tarfile.open(sdist_path)
-        tar.extractall(tmpdir)
-        tar.close()
-        srcdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
-        cmd = [py_executable, 'setup.py', 'install',
-            '--single-version-externally-managed',
-            '--record', 'record']
-        logger.start_progress('Installing %s...' % project_name)
-        logger.indent += 2
-        try:
-            call_subprocess(cmd, show_stdout=False, cwd=srcdir,
-                    filter_stdout=filter_install_output)
-        finally:
-            logger.indent -= 2
-            logger.end_progress()
+        call_subprocess(cmd, show_stdout=False,
+            extra_env = {
+                'PYTHONPATH': pythonpath,
+                'PIP_FIND_LINKS': findlinks,
+                'PIP_USE_WHEEL': '1',
+                'PIP_PRE': '1',
+                'PIP_NO_INDEX': '1'
+            }
+        )
     finally:
-        shutil.rmtree(tmpdir)
+        logger.indent -= 2
+        logger.end_progress()
 
 def create_environment(home_dir, site_packages=False, clear=False,
                        unzip_setuptools=False,
@@ -958,9 +986,10 @@
     install_distutils(home_dir)
 
     if not no_setuptools:
-        install_sdist('Setuptools', 'setuptools-*.tar.gz', py_executable, search_dirs)
+        to_install = ['setuptools']
         if not no_pip:
-            install_sdist('Pip', 'pip-*.tar.gz', py_executable, search_dirs)
+            to_install.append('pip')
+        install_wheel(to_install, py_executable, search_dirs)
 
     install_activate(home_dir, bin_dir, prompt)
 
@@ -1221,7 +1250,7 @@
         # OS X framework builds cause validation to break
         # https://github.com/pypa/virtualenv/issues/322
         if os.environ.get('__PYVENV_LAUNCHER__'):
-          os.unsetenv('__PYVENV_LAUNCHER__')
+            del os.environ["__PYVENV_LAUNCHER__"]
         if re.search(r'/Python(?:-32|-64)*$', py_executable):
             # The name of the python executable is not quite what
             # we want, rename it.
@@ -1374,7 +1403,7 @@
             if symlink:
                 os.symlink(py_executable_base, full_pth)
             else:
-                shutil.copyfile(py_executable_base, full_pth)
+                copyfile(py_executable, full_pth, symlink)
 
     if is_win and ' ' in py_executable:
         # There's a bug with subprocess on Windows when using a first
@@ -1505,9 +1534,8 @@
                 for subdir_name in os.listdir(home_dir):
                     if subdir_name == 'local':
                         continue
-                    cp_or_ln = (os.symlink if symlink else copyfile)
-                    cp_or_ln(os.path.abspath(os.path.join(home_dir, subdir_name)), \
-                                                            os.path.join(local_path, subdir_name))
+                    copyfile(os.path.abspath(os.path.join(home_dir, subdir_name)), \
+                                                            os.path.join(local_path, subdir_name), symlink)
 
 def fix_lib64(lib_dir, symlink=True):
     """
@@ -1585,7 +1613,8 @@
     ## FIXME: need to fix up distutils.cfg
 
 OK_ABS_SCRIPTS = ['python', 'python%s' % sys.version[:3],
-                  'activate', 'activate.bat', 'activate_this.py']
+                  'activate', 'activate.bat', 'activate_this.py',
+                  'activate.fish', 'activate.csh']
 
 def fixup_scripts(home_dir, bin_dir):
     if is_win:
@@ -1908,54 +1937,54 @@
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+Qc7sRHsA1igE/wfVIOdx
 """)
 
 ##file activate.sh
@@ -1979,21 +2008,22 @@
 
 ##file activate.fish
 ACTIVATE_FISH = convert("""
-eJyVVWFv2jAQ/c6vuBoqQVWC9nVSNVGVCaS2VC2rNLWVZZILWAs2s52wVvvxsyEJDrjbmgpK7PP5
-3bt3d22YLbmGlGcIq1wbmCPkGhPYcLMEEsGciwGLDS+YwSjlekngLFVyBe73GXSXxqw/DwbuTS8x
-yyKpFr1WG15lDjETQhpQuQBuIOEKY5O9tlppLqxHKSDByjVAPwEy+mXtCq5MzjIUBTCRgEKTKwFG
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-2ZjA1sg9zlV/8QvcMhxbNu0QwgYokn/d+n02nt6Opzcjcnx1vXcIoN74O4ymWQXmHURfJw9jenc/
-vbmb0enj6P5+cuVhqlKm3S0u2XRtRbA2QQAhV7VhBF0rsgUX9Ur1rBUXJgVSy8O751k8mzY5OrKH
-RW3eaQhYGTr8hrXO59ALhxQ83mCsDLAid3T72CCSdJhaFE+fXgicXAARUiR2WeVO37gH3oYHzFKo
-9k7CaPZ1UeNwH1tWuXA4uFKYYcEa8vaKqXl7q1UpygMPhFLvlVKyNzsSM3S2km7UBOl4xweUXk5u
-6e3wZmQ9leY1XE/Ili670tr9g/5POBBpGIJXCCF79L1siarl/dbESa8mD8PL61GpzqpzuMS7tqeB
-1YkALrRBloBMbR9yLcVx7frQAgUqR7NZIuzkEu110gbNit1enNs82Rx5utq7Z3prU78HFRgulqNC
-OTwbqJa9vkJFclQgZSjbKeBgSsUtCtt9D8OwAbIVJuewQdfvQRaoFE9wd1TmCuRG7OgJ1bVXGHc7
-z5WDL/WW36v2oi37CyVBak61+yPBA9C1qqGxzKQqZ0oPuocU9hpud0PIp8sDHkXR1HKkNlzjuUWA
-a0enFUyzOWZA4yXGP+ZMI3Tdt2OuqU/SO4q64526cPE0A7ZyW2PMbWZiZ5HamIZ2RcCKLXhcDl2b
-vXL+eccQoRzem80mekPDEiyiWK4GWqZmwxQOmPM0eIfgp1P9cqrBsewR2p/DPMtt+pfcYM+Ls2uh
-hALufTAdmGl8B1H3VPd2af8fQAc4PgqjlIBL9cGQqNpXaAwe3LrtVn8AkZTUxg==
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+FUyvTj/yvD66k3UPTs08x1AQQaGziOl0S1qRkPG9COtBTSTWM9NzQ4R64B+Px/l3tDzCgxv5C6Ni
+e+QaF9xFWrxx0V/G5uvYQOdiZzvYpQUVQSIsTr1TTghI33GnPbTA7/GCqcE3oE3GZurq4HeQXQD6
+32XS1ITj/qLjN72ob0hc5C9bzw8MhfmL
 """)
 
 ##file activate.csh